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ADI रຍ࿔ቤࢇण ADIࠅິ!!Պᅳ ణ୤ ᅏഗᅏ՗ࢅ֪ଉ MS-2624 MS-2698 MS-2210 MS-2660 MS-2714 MS-2643 MS-2739 MS-2740 MS-2698 MS-2208 MS-2624 MS-2707 ৛௢࠼‫ܾۉ‬ट࠶‫ߌد‬ഗ‫ۉ‬ୟᆫࣅยऺ...................................................................................................................................... 4 ๑ᆩཞօॠ֪৊ႜ৛௢‫ۉگ‬ೝ֪ଉ .......................................................................................................................................... 9 ߛ໏ ADC ‫ۉڦ‬ᇸยऺ................................................................................................................................................................ 17 ණ๎੻‫ ټ‬GSPS ADC ዐ‫ڦ‬࿮ሗො‫ۯ‬ༀ‫ྷݔ‬........................................................................................................................... 24 କ঴ JESD204B ࡀ‫ߛٗ——֫߳ڦݔ‬໏ ADC ‫ڦ‬ঙ‫݀؜܈‬DŽ‫ڼ‬ᅃև‫ݴ‬Dž...................................................................... 28 ߛ໏ DAC ੻‫ټ‬๼‫ྪ؜‬ஏኪ๎ᇑยऺ ..................................................................................................................................... 34 ֑ᆩߛ‫ۯ‬ༀ‫ྷݔ‬ዐೕথ๭ഗ०ࣅူᅃ‫ྲپ‬հ‫ۙۅܔۅ‬዆঴ۙഗ‫ڦ‬ยऺ ...................................................................... 38 ሯำೕ೷௢‫܈‬ǖሞ෉ॲۨᅭဣཥዐֱੂຕ਍ገ࣑ഗႠీ‫ํڦ‬ᆩ‫ ݆ݛ‬.......................................................................... 43 ๑ᆩཞօॠ֪৊ႜ৛௢‫ۉگ‬ೝ֪ଉ .......................................................................................................................................... 9 ჋ስࢇ๢‫ڦ‬࿮ᇸࢅ‫ݴ‬૬ᇮॲᅜํ၄ፌߛဣཥႠీ.............................................................................................................. 47 ৛௢࠼‫ܾۉ‬ट࠶‫ߌد‬ഗ‫ۉ‬ୟᆫࣅยऺ...................................................................................................................................... 4 ኙ‫ܱޜ‬ଝ࣍ৣ—௬ၠट‫ߛ܋‬࿒ᆌᆩ‫ࡼࠀگڦ‬Ă৛௢Ăߛ࿒ഗॲ.................................................................................... 55 ‫ۉ‬ऐ੦዆ဣཥยऺ MS-2758 MS-2488 MS-2302 MS-2652 MS-2549 MS-2326 ૧ᆩຕጴ߰૗ഗरຍሺഽ߾ᄽ‫ۉ‬ऐ੦዆Ⴀీ ...................................................................................................................... 59 ঍ୁ‫ۉ‬უ‫ۉ‬ऐൻ‫ڦۯ‬ຕጴ߰૗................................................................................................................................................. 64 ຕጴ߰૗ഗྺ߾ᄽ‫ۉ‬ऐൻ‫ۯ‬ᆌᆩ‫ټ‬ઠႠీᆫ๞ .................................................................................................................. 67 ๢ᆩᇀ߾ᄽሏ‫ۯ‬੦዆‫֪ڦ‬ଉरຍ ............................................................................................................................................ 73 ௬ၠߛၳ‫ۉ‬ऐ੦዆‫ڦ‬࿮‫ߌد‬ഗ๐ଉ੦዆रຍीჄ.............................................................................................................. 78 ᅟᆩ‫ ڦ‬PFC ዺᅮ‫ۉ‬ऐ੦዆ᆌᆩ................................................................................................................................................ 82 ࡗ‫ײ‬੦዆ࢅ߾ᄽጲ‫ࣅۯ‬ MS-2528 MS-2475 MS-2352 MS-2340 MS-2317 MS-2155 MS-2242 MS-2411 ࠀࡼǖ዇ీ݀พഗยऺዐ‫ڦ‬๯ᄲ੊୯ᅺ໎........................................................................................................................... 85 ࣍ୟࠃ‫ۉ‬዇ీՎໃഗ‫ࡼࠀڦ‬၌዆සࢆሞࠀࡼᇨ໙ࠦۨփՎ‫ڦ‬൧઄ူ༵ߛ዇ీ຤ೝ ................................................ 88 ૧ᆩण‫ׯ‬๕߾ᄽথ੨ຕጴ߰૗ഗ३ณ؅٫ᇑ‫ׯ‬Ԩ.............................................................................................................. 94 ૧ᆩຕጴ߰૗ഗ०ࣅยऺժඓԍဣཥ੗੍Ⴀ ...................................................................................................................... 96 ᆩ‫گ‬ሯำᅏ՗‫ٷݣ‬ഗยऺߛႠీဣཥ.................................................................................................................................. 101 ሞ߰૗ RS-485 ব‫ۅ‬ዐ‫߰ߪݴ‬૗‫ۉ‬ᇸ‫ڦ‬჋ስࢅ঴ਦ‫ݛ‬ӄ ................................................................................................. 103 ຕ਍᳘ࢇഗ‫ڦ‬ሺഽ߰૗ ............................................................................................................................................................ 106 ᆫࣅ߰૗‫ߌد‬ഗথ੨‫୲ࠀڦ‬ገ࣑ .......................................................................................................................................... 110 ᅅଐॳ੃ MS-2569 MS-2425 MS-2126 MS-2125 MS-1908 MS-2066 ᅅଐॳ੃ᆌᆩዐ‫ۉڦ‬ᇸ࠶૙ ................................................................................................................................................... 115 ॆབྷᅅଐॳ੃‫ۉ‬ጱׂ೗ዐҾඇ߰૗‫ڦ‬࿄ઠ݀ቛ ................................................................................................................ 118 ‫ิܠ‬૙֖ຕթට॔ࢺ ................................................................................................................................................................ 122 ࠌఇᅞ዆ᇑ ECG ጱဣཥᆶࢆ࠲ဣᅜतᆩઠํ၄‫؜‬෥Ⴀీ‫ڦ‬रຍ ............................................................................... 128 ႊೌप‫ހ‬ጎᆶዺᇀՍၻ๕ᅅଐยԢ३ၭ؅٫ժ३ൟዘଉ .............................................................................................. 132 ‫ߌد‬ഗ‫ۉ‬ୟ‫گڦ‬ሯำ႑ࡽۙ૙............................................................................................................................................... 135 MS-2626 MS-1779 MS-1944 MS-2178 MS-2569 JESD204B ገ࣑ഗాඓۨႠჽ‫׿‬঴௢ .................................................................................................................................... 151 ৵ၜ‫׉‬ԥࢮ୼‫ ڦ‬ADC रຍࡀ߭ ............................................................................................................................................ 155 ཚࡗण‫ۙࡼࠀࢅׯ‬বᆌ‫גܔ‬ำยऺ཈቟ ............................................................................................................................. 158 CareFusion ᇑ ADI ኮक़‫ڦ‬༑༪ǖᆫࣅ EEG ‫ٷݣ‬ഗ‫ڦ‬Ⴀీժই‫ ࡼࠀگ‬...................................................................... 162 ᅅଐॳ੃ᆌᆩዐ‫ۉڦ‬ᇸ࠶૙ ................................................................................................................................................... 115 ీᇸ MS-2249 MS-2250 MS-2223 MS-2200 MS-2544 MS-2543 MS-2356 ዇ీ‫ऺీۉ‬ଉᆌᆩຕጴ߰૗ഗ............................................................................................................................................... 167 ጲ๢ᆌํ้ DSP ॐࠓ੗ᅜ॔੦‫ྪۉ‬ዐ‫ڦ‬ၿհ‫߳ࢅݴׯ‬ዖ‫ۉ‬ᇸ೗ዊᅺຕ................................................................... 171 ႎ႙ၿհ‫ݴ‬ဆ‫ߛ༵݆ݛ‬዇ీ‫ۉ‬՗‫ڦ‬৛‫܈‬ժই‫ऺگ‬໙ਸၨ .............................................................................................. 175 ࿮၍዇ీऺଉरຍ..................................................................................................................................................................... 179 ADSP-CM403 Sinc—໿ᄞీᆌᆩዐ‫߰ڦ‬૗֪ଉ ................................................................................................................. 183 2543ADSP-CM403 HAE ሞ໿ᄞీᆌᆩዐ‫ڦ‬ၿհ‫ݴ‬ဆ ...................................................................................................... 188 ժྪ࠼‫ొޚ‬Վഗ߰૗‫ڦ‬ण‫ ׯ‬................................................................................................................................................... 191 ཚ႑ MS-2660 MS-2643 MS-2739 MS-2740 MS-2708 MS-2374 MS-2626 MS-2670 MS-2629 MS-2597 MS-2773 ණ๎੻‫ ټ‬GSPS ADC ዐ‫ڦ‬࿮ሗො‫ۯ‬ༀ‫ྷݔ‬........................................................................................................................... 24 ߛ໏ DAC ੻‫ټ‬๼‫ྪ؜‬ஏኪ๎ᇑยऺ ..................................................................................................................................... 34 ֑ᆩߛ‫ۯ‬ༀ‫ྷݔ‬ዐೕথ๭ഗ०ࣅူᅃ‫ྲپ‬հ‫ۙۅܔۅ‬዆঴ۙഗ‫ڦ‬ยऺ ...................................................................... 38 ሯำೕ೷௢‫܈‬ǖሞ෉ॲۨᅭဣཥዐֱੂຕ਍ገ࣑ഗႠీ‫ํڦ‬ᆩ‫ ݆ݛ‬.......................................................................... 43 GSPS ຕ਍ገ࣑ഗኞ৸‫ۉ‬ጱ॔੦ᇑ‫ੇܔ‬ဣཥƽ .................................................................................................................. 196 ๊஺๟ JESD204 ՔጚLjྺ๊஺࿢்ᄲዘ๫໲Ǜ................................................................................................................ 199 JESD204B ገ࣑ഗాඓۨႠჽ‫׿‬঴௢ .................................................................................................................................... 151 ຕጴႴ൱ǖߛ໏ ADC ࢅૃ‫ٳ‬ဣཥ‫ڦ‬཈቟ᇑ঴ਦ‫ݛ‬ӄ..................................................................................................... 203 ߛ໏ገ࣑ഗǖాࡥĂᇱᅺࢅᇱ૙߁ຎ.................................................................................................................................. 206 සࢆยऺ GSPS ገ࣑ഗ‫ټ੻ڦ‬മ‫ ܋‬....................................................................................................................................... 212 ߛ໏ገ࣑ഗरຍ‫ڦ‬৊օ‫ူܔ‬ᅃ‫پ‬࿮၍ཚ႑ဣཥยऺ‫ڦ‬ኧ‫ ׼‬.......................................................................................... 216 ࡵ੣ࡵཀࢅ‫ݞ‬ခ MS-2423 MS-2652 MS-2115 MS-2302 MS-2318 MS-2549 MS-2443 ຕጴ߰૗ഗ‫ڦ‬Ҿඇ੗੍Ⴀ........................................................................................................................................................ 220 ๢ᆩᇀ߾ᄽሏ‫ۯ‬੦዆‫֪ڦ‬ଉरຍ ............................................................................................................................................ 73 ཚࡗ৛ඓ੗੍‫ڦ‬ና‫ۯ‬ॠ֪ํ၄एᇀጒༀ‫ڦ‬ᇨ९Ⴀྼࢺ................................................................................................... 224 ຕጴ߰૗ഗྺ߾ᄽ‫ۉ‬ऐൻ‫ۯ‬ᆌᆩ‫ټ‬ઠႠీᆫ๞ .................................................................................................................. 67 ํ၄߰૗๕ӷൃቆटൻ‫ۯ‬ഗ‫ڦ‬ยऺए‫ إ‬............................................................................................................................. 228 ௬ၠߛၳ‫ۉ‬ऐ੦዆‫ڦ‬࿮‫ߌد‬ഗ๐ଉ੦዆रຍीჄ݀ቛ..................................................................................................... 78 ԍࢺ RS-485 ཚ႑ྪஏփ๴ᆶ࡞ EMC ๚ॲᆖၚ................................................................................................................ 232 ୍ᇔरຍ MS-2437 ইუۙবഗՎวྺ዇ీ LED ൻ‫ۯ‬ഗ .................................................................................................................................... 242 MS-2629 ߛ໏ገ࣑ഗǖాࡥĂᇱᅺࢅᇱ૙߁ຎ.................................................................................................................................. 206 ഛ‫כ‬ᆌᆩ MS-2670 ຕጴႴ൱ǖߛ໏ ADC ࢅૃ‫ٳ‬ဣཥ‫ڦ‬཈቟ᇑ঴ਦ‫ݛ‬ӄ..................................................................................................... 203 रຍ࿔ቤ MS-2624 ৛௢࠼‫ܾۉ‬ट࠶‫ߌد‬ഗ‫ۉ‬ୟᆫࣅ ยऺ ፕኁǖLuis Orozco ࠼‫ܾۉ‬ट࠶๟࢔‫࠼ܠ‬ბ֪ଉዐፌ‫׉‬ᆩ‫ߌدڦ‬ഗૌ႙ኮᅃă ዮසဌ๭ࢅ݀พ࠼೷Ă෥֪֒ଉĂँጥ‫܈‬Ăഘ༹༑֪‫ڪ‬ᆌ ᆩ਩ᆶડᇀ࠼‫ܾۉ‬ट࠶ํ၄৛௢࠼ბ֪ଉă ࠼‫ܾۉ‬ट࠶ׂิᇑቷพ‫ڟ‬ऄ‫ۯ‬൶‫࠼ڦ‬ଉ‫ׯ‬Բ૩‫ୁۉڦ‬ă‫ٷ‬ ‫ܠ‬ຕ֪ଉᆌᆩ‫ۼ‬Ⴔᄲᆩ‫ੵڟ‬ፆ‫ٷݣ‬ഗLjᅜՍॽ࠼‫ܾۉ‬ट࠶ ‫ୁۉ‬ገ࣑ྺ๼‫ۉ؜‬უă཮1၂๖‫ۉ‬ୟ‫ڦ‬ᇱ૙๖ᅪ཮ă ཮1. ०‫ੵڇ‬ፆ‫ٷݣ‬ഗ‫ۉ‬ୟ ޿‫ۉ‬ୟ‫ܾۉ࠼ڦ‬ट࠶ሞ࠼‫ޚ‬ఇ๕ူ߾ፕLjഄዐሏ໙‫ٷݣ‬ഗ ԍ‫ܾۉ࠼׼‬ट࠶ฉ‫ۉڦ‬უྺ0 Văኄ๟৛௢ᆌᆩዐፌ‫׉‬९‫ڦ‬ ದዃă࠼‫ܾۉ‬ट࠶‫ۉڦ‬უᇑ‫࠲ୁۉ‬ဣ൸၍ๆ‫ݴ‬ૌຼᇀ‫ࡀ׉‬ ܾट࠶Lj‫ڍ‬മኁ‫ڦ‬ኝཉ൸၍ࣷໜጣ࠼ቷ຤ೝ‫ڦ‬Վࣅܸၠฉ ईၠူೝᅎă཮2a၂๖‫ۆ‬႙‫ܾۉ࠼ڦ‬ट࠶‫ࡧڿد‬ຕă཮2b ๟‫ࡧڿد‬ຕ‫཮ڦࢫٷݣ‬ႚLj՗௽న಄ሞுᆶ࠼‫ڦ‬൧઄ူLj ࠼‫ܾۉ‬ट࠶ᄺࣷ๼‫؜‬ณଉ‫ୁۉ‬ăኄዖӁ‫ࣷୁۉ‬ໜጣ࠼‫ܾۉ‬ ट࠶ฉ‫ݒڦ‬ၠ‫ۉ‬უሺेܸฉืă‫ٷ‬և‫ݴ‬዆ሰฆሞ‫ݒ‬ၠ‫ۉ‬უ ྺ10 mV‫ڦ‬മ༵ူߴ‫ܾۉ࠼؜‬ट࠶‫ڦ‬Ӂ‫ୁۉ‬ă ཮2. ‫ۆ‬႙࠼‫ܾۉ‬ट࠶‫ࡧڿد‬ຕ ࠼ቷพ‫ܾۉ࠼ڟ‬ट࠶‫ڦ‬ऄ‫ۯ‬൶ࢫLj‫ٗୁۉ‬ᅽटୁၠᄞटă ૙ၙ൧઄ူLj໯ᆶ‫ܾۉ࠼ڦ‬ट࠶‫ୁۼୁۉ‬ঢ়཮1ዐ‫ݒڦ‬ઍ ‫ۉ‬ፆLjׂิຕኵ‫ڪ‬ᇀ࠼‫ܾۉ‬ट࠶‫ױୁۉ‬ᅜ‫ݒ‬ઍ‫ۉ‬ፆ‫ݒڦ‬ઍ ‫ۉ‬უă޿‫ۉ‬ୟሞᇱ૙ฉ࢔०‫ڇ‬Lj‫ڍ‬ැᄲဣཥਏԢፌॅႠీ ሶՂႷ঴ਦᅃၵవ༶ă ኱ୁ੊୯ᅺ໎ ‫ڼ‬ᅃ߲వ༶๟჋ስ኱ୁࡀ߭೅ದᆌᆩᄲ൱‫ڦ‬ሏ໙‫ٷݣ‬ഗă ‫ٷܔ‬և‫ݴ‬ᆌᆩઠຫLj‫گ‬๼෇฿ۙ‫ۉ‬უ๟ፌዘᄲ‫߭ࡀڦ‬ă‫ݣ‬ ‫ٷ‬ഗ๼‫܋؜‬٪ሞ๼෇฿ۙ‫ۉ‬უLj޿฿ۙ‫ۉ‬უࣷሺेဣཥጺ ဃֶǗܸሞ࠼‫ܾۉ‬ट࠶‫ٷݣ‬ഗዐLj໲ׂ࣏ࣷิഄ໱ဃֶă ࠼‫ܾۉ‬ट࠶ฉ٪ሞ๼෇฿ۙ‫ۉ‬უLjׂิ߸‫ܠ‬Ӂ‫ୁۉ‬Lj৊ᅃ օሺेဣཥ฿ۙဃֶăཚࡗ෉ॲၯጚĂ঍ୁ᳘ࢇ——ईኁ ଇኁग़ᆩ——ၩ‫؛أ‬๔኱ୁ฿ۙLj‫ڍ‬ড‫ڦٷ‬฿ۙဃֶࣷ໫ ၭဣཥ‫ۯ‬ༀ‫ྷݔ‬ă႞ሏ‫ڦ‬๟Lj๼෇฿ۙ‫ۉ‬უሞबӥmVฯ ዁बๆmV‫ాྷݔڦ‬Ljᆶ‫ٷ‬ଉ‫ڦ‬ሏ໙‫ٷݣ‬ഗ੗ࠃ჋ስă ‫ܾڼ‬ዘᄲ‫ڦ‬኱ୁࡀ߭๟ሏ໙‫ٷݣ‬ഗ‫ڦ‬๼෇୑‫ୁۉ‬ă‫ୁۉ‬৊ ෇ሏ໙‫ٷݣ‬ഗ๼෇‫܋‬Ljईኁ৊෇‫ݒ‬ઍ‫ۉ‬ፆᅜྔ‫ڦ‬ඪࢆ‫ں‬ ‫ݛ‬Lj‫֪ิׂࣷۼ‬ଉဃֶăਏᆶଭ๼෇ೋዃ‫ڦୁۉ‬ሏ໙‫ٷݣ‬ ഗ๟փ٪ሞ‫ڦ‬Lj‫ڍ‬గၵCMOSईJFET๼෇ሏ໙‫ٷݣ‬ഗ‫׉ݥ‬ থৎኄ߲ຕኵă૩සLjሞ๪࿒ူLjAD8615‫ڦ‬ፌ‫ٷ‬๼෇ೋዃ ‫ྺୁۉ‬1 pAăAD549ፌ‫ٷ‬๼෇ೋዃ‫ྺୁۉ‬60 fALj޿ຕኵ‫ڟڥ‬ ԍኤժঢ়ࡗิׂ֪๬ăFET๼෇‫ٷݣ‬ഗ‫ڦ‬๼෇ೋዃ‫ୁۉ‬ໜ ࿒‫װܸߛื܈‬ኸຕฉืă࢔‫ܠ‬ሏ໙‫ٷݣ‬ഗ༵ࠃ85°Cई125°C ူ‫߭ࡀڦ‬Ǘ‫ڍ‬සࡕ࿄༵ࠃLjሶᅃዖডࡻ‫ڦ‬ৎຼ๟࿒‫܈‬௅ื ߛๆ‫܈‬Lj‫݋৽ୁۉ‬Ԡă Page 4 MS-2624 ଷᅃ߲వ༶๟ยऺ‫ۉ‬ୟժ৊ႜքਆLjܸٗፌ‫܈ײٷ‬ই‫ྔگ‬ և୑‫ୁۉ‬ୟ০——୑‫ࣷୁۉ‬ᆖၚ‫گ‬๼෇ೋዃ‫ୁۉ‬ሏ໙‫ٷݣ‬ ഗႠీăፌ‫׉‬ᆩ‫ྔڦ‬և୑‫ୁۉ‬ୟ০๟ᆇຘ‫ۉ‬ୟӱԨวă૩ සLj཮3၂๖཮1ዐ࠼‫ܾۉ‬ट࠶‫ٷݣ‬ഗ‫ڦ‬ᅃዖ੗ႜքਆă‫ݹ‬ ࢤ෥‫ڦ‬ጽ၍՗๖+5 Vࠃ‫ࡆۉ‬Ljྺ‫ٷݣ‬ഗࠃ‫ۉ‬ժॽ‫ీۉ‬๼ໃ዁ ‫ۉ‬ୟӱ‫ڦ‬ഄᇆև‫ݴ‬ăසࡕሞ+5 Vጽ၍ᅜत‫ٲ‬ሜ࠼‫ܾۉ‬ट࠶‫ۉ‬ ୁ‫ڦ‬ጽ၍ኮक़‫ۉ‬ፆ‫ڪ‬ᇀ5 G(཮3ዐᅜRL՗๖)Ljఫ஺1 nA‫ୁۉ‬ ॽٗ+5 Vጽ၍ୁ෇‫ٷݣ‬ഗă၂඗Ljኄᇑᆌᆩዐጮဦ჋ስ1 pA ሏ໙‫ٷݣ‬ഗ‫ڦ‬ణՔ၎ྵԝăፌ‫܈ײٷ‬໫‫ྔ܌‬և୑‫ୁۉ‬ୟ০ ‫ڦ‬ᅃዖ‫݆ݛ‬๟ሺे‫ٲ‬ሜ࠼‫ܾۉ‬ट࠶‫ڦୁۉ‬ጽ၍ᇑඪࢆഄ໱ ጽ၍ኮक़‫ۉڦ‬ፆăኄ੗ీසཞሞጽ၍ዜྷे෇ᅃ߲ড‫ڦٷ‬ ୟᆯ্൶ᅜՍሺेᇑഄ໱ጽ၍ኮक़ਐ૗ఫᄣ‫ݛ‬Սăሞగၵ ट‫܋‬ᆌᆩዐLjᆶ‫ײ߾ڦ‬฾ࣷᅃժൽၩPCBጽ၍Ljॽ࠼‫ܾۉ‬ट ࠶ᆅ၍ԓ୞ሞ੣ഘዐժᇑሏ໙‫ٷݣ‬ഗ๼෇‫܋‬ᆅগ኱থ၎૶ă ཮3. ‫ୁۉ୑ټ‬ୟ০‫ܾۉ࠼ڦ‬ट࠶քਆ ‫ݞ‬ኹྔև୑‫ڦୁۉ‬ଷᅃዖ‫݆ݛ‬๟ሞ‫ٲ‬ሜ࠼‫ܾۉ‬ट࠶‫ڦୁۉ‬ ጽ၍ಖքਆᅃ߲ԍࢺጽ၍Ljժඓԍଇཉጽ၍਩ൻ‫ۯ‬዁၎ཞ ‫ۉڦ‬უă཮4၂๖‫ٲ‬ሜ࠼‫ܾۉ‬ट࠶‫ྪڦୁۉ‬ஏዜྷ‫ڦ‬ԍࢺ ጽ၍ă+5 Vጽ၍ׂิ‫ୁۉ୑ڦ‬ໜࢫཚࡗRLୁ෇ԍࢺጽ၍Ljܸ ‫ٷݣ෇ୁݥ‬ഗăሞ޿‫ۉ‬ୟዐLjԍࢺጽ၍ࢅ๼෇ጽ၍ኮक़‫ڦ‬ უֶৈᇑሏ໙‫ٷݣ‬ഗ‫ڦ‬๼෇฿ۙ‫ۉ‬უᆶ࠲——ኄ৽๟ྺ๊ ஺ᄲ჋ᆩ‫گ‬๼෇฿ۙ‫ۉ‬უ‫ٷݣ‬ഗ‫ڦ‬ᆼᅃ߲ᇱᅺă ཮4. ๑ᆩԍࢺጽ၍ই‫ྔگ‬և୑‫ୁۉ‬ ঍ୁ੊୯ᅺ໎ ໚඗‫ٷ‬և‫ݴ‬৛௢࠼‫ܾۉ‬ट࠶ᆌᆩ‫߾ڦ‬ፕ໏୲ড‫گ‬Lj‫ڍ‬࿢் ᅈ඗Ⴔᄲԍኤኍ‫޿ܔ‬ᆌᆩLjဣཥਏᆶፁࠕ‫ڦ‬঍ୁႠీăኄ ૛Ljଇ߲ፌ‫ڦٷ‬࿚༶๟႑ࡽ‫(੻ټ‬ईԿ࣍‫ࢅ)੻ټ‬ሯำ‫੻ټ‬ă Կ࣍‫੻ټ‬ൽਦᇀ‫ٷݣ‬ഗ‫ڦ‬ਸ࣍‫੻ټ‬Ăሺᅮ‫ۉ‬ፆࢅጺ๼෇‫ۉ‬ ඹă࠼‫ܾۉ‬ट࠶๼෇‫ۉ‬ඹ‫ྷݔ‬੗ٗຕpF(ߛ໏࠼‫ܾۉ‬ट࠶)‫ڟ‬ बഥpF(௬ओट‫ڦٷ‬৛௢࠼‫ܾۉ‬ट࠶)ă඗ܸLjሞሏ໙‫ٷݣ‬ ഗ‫ڦ‬๼෇‫ۉ෇े܋‬ඹࣷ๑໲Վ‫ڥ‬փ࿘ۨLj‫ݥأ‬ሞ‫ݒ‬ઍ‫ۉ‬ፆ ฉཁे‫ۉ‬ඹ৊ႜց‫׋‬ă‫ݒ‬ઍ‫ۉ‬ඹ၌዆ဣཥ‫ڦ‬Կ࣍‫੻ټ‬ă੗ ᅜ๑ᆩ‫ڪ‬๕1ऺ໙‫ڞ‬ዂ45°၎࿋ᇧଉ‫ڦ‬ፌ‫ٷ‬੗ీԿ࣍‫੻ټ‬ă ‫ڪ‬๕1 ഄዐǖ fu๟‫ٷݣ‬ഗ‫ڇڦ‬࿋ሺᅮೕ୲ă RF๟‫ݒ‬ઍ‫ۉ‬ፆă CIN๟๼෇‫ۉ‬ඹLjԈઔܾट࠶‫ۉ‬ඹࢅ‫ۉ‬ୟӱฉ‫ڦ‬ഄ໱໯ᆶस ิ‫ۉ‬ඹ‫ڪ‬ă CM๟ሏ໙‫ٷݣ‬ഗ‫ࠌڦ‬ఇ‫ۉ‬ඹă CD๟ሏ໙‫ٷݣ‬ഗ‫ۉݴֶڦ‬ඹă Page 5 ૩සLj्ยᆌᆩዐ‫ܾۉ࠼ڦ‬ट࠶‫ۉ‬ඹྺ15 pF൐ੵፆሺᅮྺ 1 MLjሶ‫ڪ‬๕1ᇨऺ౞ॽႴᄲ‫ڇ‬࿋ሺᅮ‫੻ټ‬ሀྺ95 MHz‫ݣڦ‬ ‫ٷ‬ഗLj֍ీइ‫ڥ‬1 MHz႑ࡽ‫੻ټ‬ăኄ๟၎࿋ᇧଉྺ45°้‫ڦ‬ ൧઄Ljُ้ሞ႑ࡽ঩ሂ݀ิՎࣅׂ้ࣷิ‫ࣅރ‬ă౞੗ీထ ྭཚࡗยऺ60°ई߸ߛ‫ڦ‬၎࿋ᇧଉઠই‫ࣅރگ‬LjኄՍᄲ൱๑ ᆩ໏‫ٷݣڦ੺߸܈‬ഗăᅺُLjዮසADA4817-1‫ڪ‬ਏᆶ20 pA ፌ‫ٷ‬๼෇ೋዃ‫ࢅୁۉ‬400 MHzፑᆸ‫ڇ‬࿋ሺᅮೕ୲‫ڦ‬ഗॲ๢ᆩ ᇀߛሺᅮ࠼‫ܾۉ‬ट࠶ᆌᆩLjฯ዁‫ܔ‬ዐ‫ڦ੻ټڪ‬ᆌᆩᄺཞᄣ ๢ᆩă ሞ‫ܠ‬ຕဣཥዐLj࠼‫ܾۉ‬ट࠶‫ۉ‬ඹ቞ጺ๼෇‫ۉ‬ඹ‫ڦ‬ਨ‫ٷ‬և‫ݴ‬Lj ‫ڍ‬గၵᆌᆩሞ჋ስट‫گ‬๼෇‫ۉ‬ඹ‫ڦ‬ሏ໙‫ٷݣ‬ഗ้Ⴔ‫ྔݴ‬ጮ ဦăྺକ঴ਦኄ߲࿚༶Ljగၵሏ໙‫ٷݣ‬ഗ༵ࠃ༬๺‫ڦ‬ᆅগ ಇଚLjᅜই‫گ‬๼෇‫ۉ‬ඹă૩සLj཮5၂๖ADA4817-1sᆅগ ಇଚLj੗ॽሏ໙‫ٷݣ‬ഗ๼‫؜‬ୟᆯ዁‫ݒ‬၎๼෇‫ڦ‬၎ତᆅগă ཮5. ADA4817-1ᆅগಇଚኍ‫گܔ‬सิ‫ۉ‬ඹᆫࣅ ֑ᆩ࠼‫ܾۉ‬ट࠶৊ႜยऺ้Ljဣཥሯำཚ‫׉‬๟ᆼᅃ߲వ ༶ă๼‫؜‬ሯำዷᄲᆯ‫ٷݣ‬ഗ๼෇‫ۉ‬უሯำࢅ‫ݒ‬ઍ‫ۉ‬ፆሀࡪ სሯำ‫ڞ‬ዂăઠጲ‫ݒ‬ઍ‫ۉ‬ፆ‫ڦ‬ሯำ‫؜‬၄ሞ๼‫܋؜‬Lj൐࿮‫ܮ‬ ྔ‫ٷݣڦ‬ၳᆌăසࡕሺे‫ۉ‬ፆኵᅜՍ‫ܾۉ࠼ٷݣ‬ट࠶‫ۉ‬ ୁLjሶሺᅮ‫ۉ‬ፆ‫ڞ‬ዂ‫ڦ‬ሯำॽৈሺे‫ۉ‬ፆኵሺेଉ‫ڦ‬ೝ‫ݛ‬ ߵăํाฉLjኄᅪ࿆ጣ࠼‫ܾۉ‬ट࠶‫ٷݣ‬ഗሺᅮሁ‫ٷ‬ሁᆶࡻ ‫ت‬Ljᅺྺැ֑ᆩ‫ٷݣ߲ܾڼ‬ഗपLjሶሯำࣷໜጣሺᅮ‫ڦ‬ሺ ेܸ၍Ⴀሺेă ‫ٷݣ‬ഗ๼‫؜‬ሯำ‫ڪ‬ᇀ๼෇‫ۉ‬უሯำ‫ױ‬ᅜ‫ٷݣ‬ഗሯำሺᅮă ሯำሺᅮփৈᆯ‫ݒ‬ઍ‫ۉ‬ፆඓۨLjཞ้࣏ᆯ‫ݒ‬ઍࢅ๼෇‫ۉ‬ඹ ඓۨLjᅺُ໲ሞኝ߲ೕ୲‫ాྷݔ‬๟Վࣅ‫ڦ‬ă཮6၂๖‫ٷݣ‬ ഗሯำሺᅮᇑೕ୲࠲ဣ‫ۆڦ‬႙൸၍Ljժ۠ेକԿ࣍ሺᅮࠃ ֖੊ă੗ٗ޿൸၍ዐକ঴‫ڟ‬ଇॲ๚ǖ๼‫؜‬ሯำሞగၵೕ୲ ူࣷሺेLjᅜतೕ୲‫——ྷݔ‬ሞ޿‫ాྷݔ‬ሯำ‫ރ‬ኵߛᇀ‫ݣ‬ ‫ٷ‬ഗԿ࣍পኹೕ୲ă MS-2624 ཮6. ࠼‫ܾۉ‬ट࠶‫ٷݣ‬ഗ‫ڦ‬ሯำሺᅮࣷሞডߛ‫ڦ‬ೕ୲ူሺे ᆯᇀ࿮݆૧ᆩ޿‫੻ټ‬Ljᅺُ੗ᅜ֑ᆩยዃྺ‫ٷݣ‬ഗ႑ࡽ‫ټ‬ ੻‫گڦ‬ཚ୳հഗઠই‫޿گ‬ሯำă ֑ᆩ੗Պ‫ײ‬ሺᅮકቛ‫ۯ‬ༀ‫ྷݔ‬ ᆯᇀ‫ݒ‬ઍ‫ۉ‬ፆ‫ڦ‬ሀࡪსሯำໜ‫ۉ‬ፆ‫ڦ‬ೝ‫ߵݛ‬ኵܸሺेLjᅺ ُ၎Բᇀ๑ᆩ‫ٷݣ߲ܾڼ‬ഗपLj࠼‫ܾۉ‬ट࠶‫ٷݣ‬ഗዐ‫ڦ‬ሺ ᅮሁߛሁࡻăස཮7໯๖Ljཚࡗၠ࠼‫ܾۉ‬ट࠶‫ٷݣ‬ഗዐे ෇੗Պ‫ײ‬ሺᅮLjՍ੗๑޿ၙ݆߸৊ᅃօă Cf2 Rf2 Cf1 Rf1 S1 ཮7. ੗Պ‫ײ‬ሺᅮ࠼‫ܾۉ‬ट࠶‫ٷݣ‬ഗ߁౒ ਸ࠲S1჋ስ໯Ⴔ‫ݒڦ‬ઍୟ০Ljᅺُ౞੗ᅜྺփཞ႑ࡽ჋ስ ፌᆫሺᅮăփ႞‫ڦ‬๟Ljఇెਸ࠲‫ڞڦ‬ཚ‫ۉ‬ፆࣷ๑‫ۉ‬ୟׂิ ሺᅮဃֶă޿‫ڞ‬ཚ‫ۉ‬ፆॽໜแे‫ۉڦ‬უĂ࿒‫ڦڪ܈‬Վࣅܸ ݀ิ߀ՎLjᅺُ౞ՂႷቴ‫ॽڟ‬ഄٗ‫ۉ‬ୟၩ‫݆ݛڦأ‬ă཮8 ၂๖සࢆ๑ᆩଇፇਸ࠲ᅎ‫ݒأ‬ઍ࣍ୟዐ‫ڞ‬ཚ‫ۉ‬ፆׂิ‫ڦ‬ဃ Page 6 MS-2624 ֶă޿‫ۉ‬ୟሞ‫ݒ‬ઍ࣍ୟాևᆶᅃ߲ਸ࠲Ljස཮7໯๖Ǘ‫ڍ‬ ਸ࠲S2ॽ‫ۉ‬ୟ๼‫؜‬኱থᇑሺᅮ‫ۉ‬ፆ၎૶Ljܸփ࠶‫ٷݣ‬ഗ๼ ‫ۉ؜‬უă໲੗ᅜၩ‫أ‬ᆯᇀ‫ࡗୁୁۉ‬ਸ࠲S1ׂܸิ‫ڦ‬ඪࢆሺ ᅮဃֶă๑ᆩ޿‫ۉ‬ୟ‫پڦ‬ॏኮᅃ๟๼‫؜‬փምਏᆶᇑ‫ٷݣ‬ഗ ๼‫؜‬ᆶ࠲‫گڦ‬ፆੇLjᅺྺ໲Ԉઔ‫ܠ‬ୟްᆩഗS2‫ڞڦ‬ཚ‫ۉ‬ ፆăසࡕူᅃपਏᆶߛፆੇ๼෇(Բස֑ᆩADCൻ‫ۯ‬ഗ)Lj ఫ஺ኄཚ‫׉‬ு๊஺࿚༶ă Cf2 Rf2 C f1 Rf1 - + S1 S2 ཮8. ๑ᆩଇፇਸ࠲ই‫࣍گ‬ୟా‫ۉྔܮ‬ፆׂิ‫ڦ‬ဃֶ ๑ᆩۙ዆ࢅཞօॠ֪ই‫گ‬ሯำ ࢔‫ܠ‬৛௢ᆌᆩ‫ۼ‬Ⴔ֪ଉཚࡗᄣԨဌ๭ई‫ݒ‬พ‫ڦ‬኱ୁ࠼ቷ຤ೝă ໚඗గၵᆌᆩሎႹ‫ܔ‬ඇև࣍ৣ࠼৊ႜೡԸLj࢔‫ܠ‬ഄ໱ဣཥ (ዷᄲሞ߾ᄽ࣍ৣዐ)փ‫ڥ‬փԓ୞ሞ࣍ৣ࠼ူăُ้Lj੗ᅜ ۙ዆࠼ᇸժ๑ᆩཞօॠ֪Lj๑౞‫ڦ‬႑ࡽᇺ૗‫گ‬ೕೕ೷Ǘܸ ‫ۉ‬ഘ߅ඡࢅ࠼ბ߅ඡሞ‫گ‬ೕೕ೷ዐፌྺჹዘăፌ०‫ۙڦڇ‬ ዆‫ݛ‬๕๟੺໏ਸ࠲࠼ᇸăൽਦᇀਏ༹࠼ᇸLj੗‫ܔ‬ഄ৊ႜ‫ۉ‬ ጱۙ዆Ljईኁၟగၵড઻‫ڦ‬ᅏഗᅏ՗ఫᄣ๑ᆩऐႁቘհഗ ሞߴۨ໏୲ူፆ‫࠼ڔ‬၍ă ૩සLjසࡕ౞‫֪ܔ‬ଉగዖ࿿ዊ‫࠼ڦ‬ဌ๭ժඓۨഄ౪‫ߌ܈‬႗ ඀Ljఫ஺౞੗ᅜ‫࠼ܔ‬ᇸ৊ႜຕkHzቘհă཮9၂๖৊ႜቘհ ࢫLj֪ଉ঳ࡕփ๴‫ܠٷ‬ຕ࣍ৣዐ೵Փ٪ሞ‫گڦ‬ೕ࠼࿫කᆖ ၚǗኄૌ࣍ৣ‫ڦ‬૩ጱᆶǖᅃཀాփཞ้ਗ਼‫࠼ৣ࣍ڦ‬ՎࣅĂ 50 Hz/60 Hzᆑ࠼‫ڪڨ‬ă Ambient Noise Modulated Signal Amplitude fm 3fm 5fm Frequency ཮9. ‫ܔ‬๼෇႑ࡽ৊ႜቘհ੗ॽ႑တᅎ෇ቘհೕ୲ాLj ᇺ૗࣍ৣሯำ ᆯᇀۙ዆႑ࡽೕ୲๟੗੦‫ڦ‬Ljᅺُ੗ᅜ૧ᆩ၎ཞ‫้ڦ‬ዓཞ օ঴ۙথ๭‫࠼ڦڟ‬ă཮10ዐ‫ۉڦ‬ୟ๟ᅃ߲‫׉ݥ‬०‫ڦڇ‬ཞօ ঴ۙഗă࠼‫ܾۉ‬ट࠶‫ٷݣ‬ഗ๼‫ۉڦ܋؜‬უ঍ୁ᳘ࢇLj඗ࢫ ᅜ੗Պ‫ײ‬ሺᅮ+1ࢅ–1ঢ়‫ٷݣ‬ഗ‫د‬๼ăሺᅮਸ࠲ঢ়ཞօ‫ت‬ ૙Lj੗ሞᇨ೺ਸ‫ڦڨ‬ඓൎ้ਗ਼ॽሺᅮยྺ+1Ljժሞᇨ೺࠲ ‫้ڦڨ‬ਗ਼ยྺ–1ă૙ၙ൧઄ူLj๼‫ॽ؜‬๟኱ୁ‫ۉ‬უLjժᇑ ࠼ஞ؋‫܈ޗڦ‬ᆶ࠲ă‫گ‬ཚ୳հഗᅞ዆ᅃൎᇑۙ዆้ዓփཞ օ‫ڦ‬႑ࡽă‫گ‬ཚ୳հഗ‫ڦ‬পኹೕ୲‫ڪ‬ᇀۙ዆ೕ୲ዜྷ‫ټڦ‬ ཚ୳հഗ੻‫܈‬ă૩සLj्ยۙ዆ೕ୲ྺ5 kHzLjժ൐֑ᆩ‫ټ‬ ੻ྺ10 Hz‫گڦ‬ཚ୳հഗLjሶ‫ۉ‬ୟ๼‫؜‬੗ॽ႑ࡽٗ4.99 kHz‫د‬ ๼዁5.01 kHzăই‫گگ‬ཚ୳հഗ‫੻ټ‬੗इ‫ڦࡻ߸ڥ‬ᅞ዆ၳࡕLj ‫پڍ‬ॏ๟ॺ૬้क़߸‫׊‬ă ཮9࣏၂๖କ๑ᆩቘհႴጀᅪ‫ڦ‬ଷᅃ‫ۅ‬ăቘհׂิ‫ڦ‬հႚ ժփ๟ೕᇘా‫ڇ‬ᅃ‫ڦ‬၍ཉ(ᄲ൱๑ᆩኟ၀հ)Ljܸ๟ቘհೕ ୲ူ‫ڦ‬၍ཉࢅഄആْၿհăቘհೕ୲ആْၿհ‫ڦت‬ඪࢆሯ ำ‫ॽۼ‬ᅜፌၭ‫ڦ܈ײ‬ປ३‫؜‬၄ሞ๼‫܋؜‬ăཚࡗ๑ᆩኟ၀հ ۙ዆੗ॽഄྜඇၩ‫أ‬Lj‫ڍ‬Ⴔᄲᆩ‫ްྺ߸ڟ‬ሗई‫ׯ‬Ԩ߸ߛ‫ڦ‬ ‫ۉ‬ୟăଷᅃዖ঴ਦ‫ݛ‬ӄ๟჋ስᅃ߲ࡩ९‫ڦ‬एհೕ୲Ljഄၿ հփ‫ࢇޙ‬ඪࢆᅙኪ‫߅ڦ‬ඡᇸă౞࣏੗ሞࠦॲాํ၄཮10ዐ ‫ڦ‬၎ཞࠀీă౞੗ᅜߵ਍ۙ዆้ዓཞօ֑ᄣቘհ࠼႑ࡽLj ժ๑ᆩຕጴ႑ࡽ‫ت‬૙रຍ༵ൽణՔೕ୲‫܈ޗڦ‬႑တă Page 7 Vo Vo Vo Vo ADG733 AD8615 AD8615 Chopper Clock AD8271 ཮10. ཞօॠ֪‫ۉ‬ୟ ঳ஃ ࠼‫ܾۉ‬ट࠶‫ٷݣ‬ഗ๟‫ܠٷ‬ຕ৛௢࠼ბ֪ଉဣཥ‫ڦ‬ዘᄲࠓॺ ఇ੷ă჋ስኟඓ‫ڦ‬ሏ໙‫ٷݣ‬ഗ࢔ዘᄲLj๟इ‫ڥ‬ፌॅဣཥႠ ీ‫ڼڦ‬ᅃօă๑ᆩഄ໱Ⴀీሺഽरຍ——Բස੗Պ‫ײ‬ሺᅮ ࢅཞօॠ֪——ᆶዺᇀሺे‫ۯ‬ༀ‫ྷݔ‬ժᅞ዆ሯำăස౞ထ ྭକ঴ᆶ࠲৛௢࠼‫ܾۉ‬ट࠶‫ۉ‬ୟ‫ܠ߸ڦ‬႑တLj൩‫ݡ‬࿚ http://instrumentation.analog.com/en/chemicalanalysis/segment/im.htmlă ፕኁ Luis Orozco [luis.orozco@analog.com]๟ADIࠅິ߾ᄽࢅᅏഗ ᅏ՗ևဣཥᆌᆩ߾‫ײ‬฾Ljሞᇀ2011౎े෇ADIኮമLj໱ٗ ๚৛௢֪ଉยԢยऺ߾ፕ‫ٳ‬11౎ኮ৳ă໱ణമጆጀᇀ֪๬ ࢅ֪ଉĂࣅბ‫ݴ‬ဆᅜत࣍ৣॠ֪ᆌᆩă ֖੊࿔၅ ‫ۉ‬ୟԴऻCN0312ă‫ټ‬੗Պ‫ײ‬ሺᅮੵፆ‫ٷݣ‬ഗࢅཞօॠհഗ ‫ڦ‬ມཚ‫ڢ‬෥‫ऺ܈‬ă Luis Orozcoă“੗Պ‫ײ‬ሺᅮੵፆ‫ٷݣ‬ഗ๑࠼೷ဣཥ‫ۯڦ‬ༀ‫ݔ‬ ྷ‫ڟٳ‬ፌ‫ٷ‬ă”ఇె‫ࣆܔ‬Lj‫ڼ‬47ਝă2013౎‫ڼ‬5೺ă ADA4817ຕ਍๮֩ă Mark Johnsonă࠼‫ۉ‬ॠ֪ࢅ֪ଉǖ࠼္ဣཥዐፌ‫ٷ‬၌‫ื༵܈‬ Ⴀీă౨ሀǖ2003౎McGraw-Hillă MS-2624 One Technology Way t P.O. 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TA12631sc-0-8/14 Page 8 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă ๑ᆩཞօॠ֪৊ႜ৛௢‫ۉگ‬ೝ֪ଉ ፕኁǖLuis OrozcoLjADIࠅິဣཥᆌᆩ߾‫ײ‬฾ ཞօॠ֪๟ᅃၜํᆩ‫ڦ‬रຍLj໲੗ཚࡗႹ‫ܠ‬ᅏഗᅏ՗ᆌᆩ ༵ൽ‫گ‬ᇀሯ‫ڦڹ‬ഴ෇‫ۉگ‬ೝ႑ࡽă૩සǖ֪ଉ‫׉ݥ‬ၭ‫ۉڦ‬ ፆLj֪ଉሞഽԝৠ࠼ူ࠼‫ڦ‬ဌ๭ई‫ݒ‬พLjईኁฯ዁ሞߛሯ ำ‫ۉ‬ೝ‫ڦ‬൧઄ူ৊ႜᆌՎ֪ଉă ‫ړ‬ೕ୲থৎ኱ୁ้LjႹ‫ۉܠ‬ഘࢅ࿿૙ဣཥ‫ࣷۼ‬ᆶ߸ߛ‫ڦ‬ሯ ำă૩සLjሏ໙‫ٷݣ‬ഗᆶ1/f‫ڦ‬ሯำLjժ൐୞ཀ࠼ბ֪ଉဣ ཥࣷ๴න࠼Ăӣ؉‫ڨ‬Ăᆑ࠼‫ࢅڨ‬ഄ໱࠼ᇸሰ‫࠼ৣ࣍ڦׯ‬ቷ ཉॲՎࣅׂิ‫ڦ‬ሯำᆖၚăසࡕ੗ᅜ๑֪ଉᇺ૗ኄၵ‫گ‬ೕ ሯำᇸLjሶ੗ᅜइ‫ڦߛ߸ڥ‬႑ሯԲժॠ֪‫؜‬ෑ‫ڦܠڥ‬႑ ࡽă૩සLjසࡕ౞ထྭ֪ଉ՗௬‫ݒ‬พ‫࠼ڦ‬ଉLjሶሞबkHzူ ۙ዆࠼ᇸॽీࠕ֪ଉሞড‫گ‬ೕ୲ሯำዐഴ෇‫ڦ‬႑ࡽă཮1ቛ ๖କ႑ࡽۙ዆ሞ‫گ‬ᇀሯ‫ࢅڹ‬੗࣬ް֪ଉ‫ݛ‬௬ᆶ‫ܠ‬஺ዘᄲă ۙ዆‫ߌد‬ഗघ૤႑ࡽ‫݆ݛڦ‬ᆶփณăፌ०‫ۙڦڇ‬዆‫ݛ‬ӄ๟ ‫ްݒ‬ਸഔࢅ࠲Կघ૤႑ࡽăኄ‫ܔ‬ᇀൻ‫ۯ‬LEDࢅഄ໱ૌ႙घ ૤(૩සᆌՎऺൃेუ)࢔ᆶၳă໲ᆮഄ๢ᆩᇀ࢔వᅜ‫ۉ‬ጱ ‫ݛ‬๕ۙ዆घ૤ᇸ(૩ස࠽‫ݘ‬ሏᆩᇀႹ‫ܠ‬հ೷ᅏഗ‫ڦ‬ӣ؉‫)ڨ‬ ‫ڦ‬൧઄ăሞُ൧઄ူLjۙ዆৽ස๑ᆩऐႁۙ዆ಎ‫࠼ܔ‬৊ႜ ቘհᅃᄣ०‫ڇ‬ă रຍ࿔ቤ MS-2698 ཮1. ۙ዆႑ࡽᅜॽ႑ࡽᅎ዁ᇺ૗ሯำᇸ‫ڦ‬࿋ዃ ᄲ࣬ް཮1ዐ‫ڦ‬႑ࡽLj౞ኻႴยऺ቏‫ټټ‬ཚ୳հഗLjᅜඁ ‫أ‬ഄ໲ೕ୲႑ࡽৈԍାణՔೕ୲႑ࡽLj඗ࢫ֪ଉ႑ࡽ‫ޗڦ‬ ‫܈‬ăሞํ७ዐLjยऺਏᆶ‫ݴ‬૬ፇॲ‫ڦ‬ट቏(ߛQ)‫ټ‬ཚ୳հ ഗ‫׉ݥ‬ਏᆶ཈቟Ⴀăසࡕࡀ߭ᄲ൱ट቏‫୳ڦ‬հഗLjሶ߸փ ੗ీӸ‫ڟ‬ăُྔLj౞੗ᅜ๑ᆩཞօ঴ۙॽᅙۙ዆‫ڦ‬႑ࡽᅎ ࣮኱ୁLjཞ้୳‫أ‬ᇑ֖੊႑ࡽփཞօ‫ڦ‬ഄ໱႑ࡽăሏᆩُ रຍ‫ڦ‬ᅏഗ‫׬‬ፕ໮၎‫ٷݣ‬ഗă ᄲ०‫঻ڇ‬ถ໮ۨ‫ٷݣ‬ഗLjփ‫ݟ‬๯ံ௮ຎ཮2ዐ໯๖‫ڦ‬ᆌ ᆩăᅃ߲ۙ዆ྺ1 kHz‫࠼ڦ‬ᇸቷଋ֪๬՗௬Ljᅃ߲࠼‫ܾۉ‬ट ࠶֪ଉ՗௬‫ݒ‬พ‫࠼ڦ‬ଉLj‫ݒ‬พ࠼ଉᇑેओ‫ڦ‬࿫කଉ‫ׯ‬ኟ Բă्ย֖੊႑ࡽࢅ֪ଉ਩ྺኟ၀հ(ೕ୲ࢅ၎࿋਩၎ཞLj ‫ڍ‬๟‫܈ޗ‬փཞ)ă्ย֖੊႑ࡽᅜࠦۨ‫܈ޗڦ‬ൻ‫ܾۉ࠼ۯ‬ट ࠶Ljሶ֪ଉ‫ࣷ܈ޗڦ‬ໜጣ‫ݒ‬พ‫࠼ڦ‬ଉܸՎࣅ(ሞഄ໱ᆌᆩ ዐLjኄᇑ֪ଉ‫ڦ‬࿿૙֖ຕ၎‫ܔ‬ᆌ)ă Page 9 ॽଇ߲ኟ၀հ၎‫ڦױ‬঳ࡕ๟ೕ୲ፇ‫ݴ‬ሞଇ߲๼෇ኟ၀հኮ ࢅᅜतኮֶฉ‫ڦ‬ᅃ߲႑ࡽăሞُ൧઄ူLjଇ߲ኟ၀հਏᆶ ၎ཞ‫ڦ‬ೕ୲Ljࠅ๕1၂๖‫ڦ‬঳ࡕ՗௽ᅃ߲኱ୁ႑ࡽLjଷᅃ ߲႑ࡽ๟ᇱ๔ೕ୲ଇԠ(޶ࡽኸ๖180°‫ڦ‬၎ᅎ)ă‫گ‬ཚ୳հ ഗࣷᅎ‫أ‬႑ࡽ኱ୁፇ‫ݴ‬ᅜྔ‫ڦ‬໯ᆶፇ‫ݴ‬ă සࡕ౞੊୯ሯሗ‫ڦ‬๼෇႑ࡽLjሶሏᆩኄၜरຍ‫ڦ‬ᆫ๞ࣷ‫ݥ‬ ‫׉‬௽၂ă‫݆ױܠ‬प๼‫؜‬ධࣷ‫ڞ‬ዂኻᆶۙ዆ೕ୲ူ‫ڦ‬႑ࡽ֍ ࣷᅎ࣮‫ڟ‬኱ୁLj໯ᆶഄ໱ೕ୲ፇ‫ࣷݴ‬ᅎ዁ഄ໱‫ݥ‬኱ୁೕ ୲ă૩සLj཮3঻ถକਏᆶ50 Hzࢅ2.5 kHzഽሯำᇸ‫ڦ‬ဣཥLj ᅜत๑ᆩ1 kHzኟ၀հۙ዆‫׉ݥڦ‬ෑ‫ڦ‬ణՔ႑ࡽă ሺʹ ሻ ൈ ͳ 1 ሺʹ ሻ ൌ ʹ ൈ ሺʹ ൈ ሺ ͳ ሻ ൈ ሻ െ ʹ ൈ ሺʹ ൈ ሺ ൅ ሻ ൈ ሻ ൌͳ െͳ ʹ ʹ ሺʹ ʹ ሻ (ࠅ๕1) ॽ๼෇ᇑ֖੊၎‫ॽױ‬इ‫ڥ‬኱ୁ႑ࡽLjഄ໱႑ࡽྺ950 HzĂ 1.05 kHzĂ1.5 kHzĂ2 kHz ࢅ 3.5 kHză኱ୁ႑ࡽԈࡤ໯Ⴔ‫ڦ‬ ႑တLjᅺُ౞੗ᅜ๑ᆩ‫گ‬ཚ୳հഗᅎ‫أ‬໯ᆶഄ໱ೕ୲ă ཮2. ๑ᆩ໮ۨ‫ٷݣ‬ഗ֪ଉ՗௬࿫ක൧઄ ཮3. ཞօ঴ۙሞ50 Hzࢅ2.5 kHzഽሯำᇸ‫ڦ‬൧઄ူ཈‫ྲ؜‬ෑ‫ڦ‬1 kHz႑ࡽ Page 10 ᆯᇀথৎణՔ႑ࡽ‫ڦ‬ඪࢆሯำፇ‫ݴ‬਩ࣷሞথৎ኱ୁ‫ڦ‬ೕ୲ ‫؜‬၄Ljᅺُ཈‫؜‬ഄ޹ৎுᆶഽሯำᇸ‫ۙڦ‬዆ೕ୲‫׉ݥ‬ዘ ᄲăසࡕኄփ੗ీӸ‫ڟ‬LjሶႴᄲপኹೕ୲‫گ׉ݥ‬ժ੗ፕ‫؜‬ ௺෍ၚᆌ‫گڦ‬ཚ୳հഗLjժࣷࡼ‫ݯ‬ড‫ॺڦ׊‬૬้क़ă ํा໮ۨ‫ݛ‬ӄ ิ‫ׯ‬ኟ၀հઠۙ዆႑ࡽᇸ੗ీփൎํाLjᆶၵဣཥࣷ߀ᆩ ‫ݛ‬հăิ‫ݛׯ‬հघ૤ᄲԲิ‫ׯ‬ኟ၀հ०‫ܠڥڇ‬Lj๑ᆩ०‫ڇ‬ ‫ڦ‬ጎዃ(ዮස੗ൎ࣑ఇెਸ࠲ईMOSFET‫ྲڦ‬੦዆ഗᆅগ) न੗ํ၄ă ཮4‫ۉڦ‬ୟ๟एᇀᆘॲ‫ڦ‬໮ۨ‫ٷݣ‬ഗ‫ڦ‬०‫ํڇ‬แ‫݆ݛ‬ăྲ ੦዆ഗईഄ໱ຕጴยԢࣷิ‫ׯ‬ٝ๑‫ߌد‬ഗፕ‫؜‬ၚᆌ‫ݛڦ‬հ घ૤႑ࡽăසࡕ๟࠼‫ܾۉ‬ट࠶Ljሶ‫ڼ‬ᅃ߲‫ٷݣ‬ഗॽ๟‫ୁۉ‬ ‫ۉ‬უገ࣑ഗLjܸᆌՎऺൃॽႴᄲᅏ՗‫ٷݣ‬ഗă ᆩᇀघ૤‫ߌد‬ഗ‫ڦ‬႑ࡽཞᄣॽᆩᇀ੦዆ADG619 SPDTਸ࠲ă ‫ړ‬घ૤႑ࡽྺኟ้LjADG619ࣷॽ‫ٷݣ‬ഗದዃྺ+1‫ڦ‬ሺᅮă ‫ړ‬घ૤ྺ޶้LjADG619ࣷॽ‫ٷݣ‬ഗದዃྺ–1‫ڦ‬ሺᅮLjኄ ํዊฉࣷ“ծ‫ݛ”ۯ‬հ‫޶ڦ‬टăኄሞຕბฉ‫ڪ‬ཞᇀॽ֪ଉ‫ڦ‬ ႑ࡽ‫ױ‬ᅜ֖੊‫ݛ‬հă๼‫؜‬RC୳հഗࣷᅎ‫أ‬ඪࢆഄ໱ೕ୲‫ڦ‬ ႑ࡽLj๼‫ۉ؜‬უ๟኱ୁ႑ࡽLj‫ڪ‬ᇀ֪ଉ‫ݛ‬հ‫ރރڦ‬ኵ‫ۉ‬უ ‫ڦ‬ᅃӷă ๑ᆩएᇀ‫ݛ‬հ‫ڦ‬໮ۨ‫ٷݣ‬ഗႴᄲ०‫ۉڦڇ‬ୟLj‫ڍ‬๟ഄሯำ ᅞ዆Ⴀీᄲსᇀ๑ᆩኟ၀հ‫ڦ‬ဣཥă཮5ቛ๖କ๑ᆩ‫ݛ‬հ ፕྺ‫ߌد‬ഗघ૤ࢅ֖੊႑ࡽ‫ڦ‬ೕ୲ᇘ՗๖ă‫ݛ‬հᆯएհࢅ ໯ᆶആْၿհ‫ڦ‬࿮൬ኟ၀հ‫ׯࠓࢅڦ‬ăॽଇ߲ཞೕ‫ݛ‬հ၎ ‫ױ‬Ⴔॽ֖੊႑ࡽ‫ڦ‬௅߲ኟ၀ፇ‫ױݴ‬ᅜ֪ଉ႑ࡽ‫ڦ‬௅߲ኟ၀ ፇ‫ݴ‬ă঳ࡕॽइ‫ڥ‬Ԉࡤ‫ݛ‬հ‫ڦ‬௅߲ၿհీଉ‫ڦ‬኱ୁ႑ࡽă փࣷ୳‫أ‬ሞඪࢆആْၿհೕ୲‫؜‬၄‫ڦ‬ඪࢆ࿮ᆩ႑ࡽ(໚඗໲ ்ॽߵ਍໯ሞ‫ڦ‬ၿհ‫ྷݔ‬ӀԲ૩໫ၭ)ă‫ړ‬ยऺएᇀ‫ݛ‬հ‫ڦ‬ ໮ۨ‫ٷݣ‬ഗ้Lj཈჋‫ۙڦ‬዆ೕ୲ခՂփࡤඪࢆೕ୲ၿհई ᅙኪሯำᇸၿհă૩සLj჋ስ1.0375 kHz(ᇑ50 Hzई60 Hz‫ڦ‬ ၿհփᅃዂ)Ljܸփ჋ስ1 kHzۙ዆ೕ୲(‫ڼ‬20߲50 Hz‫ڦ‬ၿհ)ă न๑ᆶُඍ‫ۅ‬Lj‫ۉڍ‬ୟ०‫ڇ‬Ă‫ׯ‬Ԩ‫گ‬ăᇑ‫׈‬๬኱ୁ֪ଉ၎ ԲLj๑ᆩ‫گ‬ሯ‫ٷݣ‬ഗժ཈჋ࢇ๢‫ۙڦ‬዆ೕ୲ධ඗੗इ‫߸ڥ‬ ‫߀ڦٷ‬฀ă ཮4. ๑ᆩ‫ݛ‬հघ૤‫ڦ‬໮ۨ‫ٷݣ‬ഗ ໚඗޿‫ۉ‬ୟ࢔०‫ڇ‬Lj‫ڍ‬ኍ‫ܔ‬ඪခᄲ൱཈჋ኟඓ‫ڦ‬ሏ໙‫ٷݣ‬ഗ ࢔ዘᄲă๼෇঍ୁ᳘ࢇपॽ‫أ‬ඁ‫ٷ‬և‫گݴ‬ೕ๼෇ሯำLj‫ڍ‬ ๟փࣷٗፌࢫᅃ߲‫ٷݣ‬ഗዐ୳‫أ‬ඪࢆ1/fሯำࢅ฿ۙဃֶă ADA4077-1ਏᆶ0.1 Hz‫ڟ‬10 Hz‫ڦ‬250 nV p-pሯำᅜत0.55 μV/ °C ‫ڦ‬฿ۙ೏ᅎLjኄ๑ഄ‫޿ྺׯ‬ᆌᆩ‫ڦ‬૙ၙ჋ስă ཮5. සࡕ๼෇႑ࡽ(A)ࢅ֖੊(B)‫ۼ‬๟‫ݛ‬հLj ሶॽ໲்၎‫(ױ‬C)੗ᆶၳ঴ۙ๼෇႑ࡽ‫ڦ‬௅߲ၿհ ०‫ڦڇ‬ण‫ׯ‬๕༺‫ݛپ‬ӄ ཮4‫ۉڦ‬ୟᄲ൱๑ᆩሏ໙‫ٷݣ‬ഗĂఇెਸ࠲ࢅᅃၵ‫ݴ‬૬ፇ ॲLjଷྔ࣏Ⴔᄲྲ‫ت‬૙ഗ༵ࠃ֖੊้ዓă޿‫ۉ‬ୟ‫ݛپ༺ڦ‬ ӄ ๟ ๑ ᆩ ण ‫ ׯ‬๕ ཞ օ ঴ ۙ ഗ Lj ස ADA2200ă ཮ 6ቛ ๖ କ ADA2200‫ాڦ‬ևఇ੷LjԈઔ࣐؋๼෇Ă੗Պ‫ײ‬IIR୳հഗࢅ ‫݆ױ‬ഗă໲࣏Ԉઔ੗‫੊֖ܔ‬႑ࡽ৊ႜ90°၎ᅎ‫ڦ‬ఇ੷Ljܸٗ ੗ൟ຿֪ଉईց‫׋‬ሞ֖੊้ዓࢅ๼෇႑ࡽኮक़‫ڦ‬၎ᅎă Page 11 ࢫ௬ॽၘဦຫ௽ኄᄣፔ‫تࡻڦ‬ă ཮6. ADA2200ాևॐࠓ ᄲ૧ᆩADA2200ํ၄໮ۨॠ֪‫ۉ‬ୟLjኻႴแेԲ໯Ⴔ֖੊ ೕ୲ߛ64Ԡ‫้ڦ‬ዓೕ୲ă੗Պ‫୳ײ‬հഗ‫ڦ‬ఐණದዃኍ‫ټܔ‬ ཚၚᆌLjᅺܸ࿮Ⴔස཮4ዐ‫ۉڦ‬ୟ‫ܔ‬႑ࡽ৊ႜ঍ୁ᳘ࢇă ADA2200‫֑ڦ‬ᄣఇె๼‫ॽ؜‬ᅜ֑ᄣ໏୲‫ڦ‬Ԡຕิ‫཮ׯ‬ၟă ౞੗ᅜ๑ᆩRC୳հഗࢫথΣ-Δ ADCᅜᅎ‫أ‬ኄၵ཮ၟLjժ൐ ৈ֪ଉ႑ࡽ‫ڦ‬঴ۙ኱ୁፇ‫ݴ‬ă ཮ 7. ๑ᆩADA2200ํ၄໮ۨ‫ٷݣ‬ഗ ߀฀‫ݛ‬հ໮ۨ‫ۉ‬ୟ ཮8ቛ๖କ‫ݛܔ‬հۙ዆‫ۉ‬ୟ‫߀ڦ‬৊ăසࡕ౞ཚࡗ‫ݛ‬հघ૤ ‫ߌد‬ഗLj၄ሞॽ֪ଉ႑ࡽᇑ၎ཞೕ୲ࢅ၎࿋‫ڦ‬ኟ၀հ၎ ‫ױ‬Ljሶኻᆶएհೕ୲‫ڦ‬႑ࡽాඹ֍ࣷᅎ዁኱ୁLjܸ໯ᆶഄ ໱ၿհॽᅎ዁‫ݥ‬኱ୁೕ୲ăኄᄣ๑ᆩ‫گ‬ཚ୳հഗ৽࢔ൟ ຿Ljժ൐‫֪أ‬ଉ႑ࡽ኱ୁፇ‫ྔݴ‬Ljഄ໱ᅃൎদփႴᄲă ཮8. ๑ᆩኟ၀հፕྺ֖੊႑ࡽ੗‫ݞ‬ኹሯำ঴ۙ‫ڟ‬኱ୁ ଷᅃ߲వ‫ۅ‬๟Ljසࡕ֖੊႑ࡽࢅ֪ଉ႑ࡽኮक़٪ሞ၎ᅎLj ሶॽଇኁ၎‫ڞࣷױ‬ዂ๼‫܈ޗ؜‬Բ࿮၎ᅎ้߸‫گ‬ăසࡕ‫ߌد‬ ഗ႑ࡽۙ૙‫ۉ‬ୟԈઔඪࢆ୳հഗ(ኄࣷሰ‫ׯ‬၎࿋ჽ‫)׿‬Lj৽ ࣷ‫؜‬၄ኄዖ൧઄ă૧ᆩఇె໮ۨ‫ٷݣ‬ഗLj঴ਦ޿࿚༶‫ྸڦ‬ ᅃ‫݆ݛ‬๟ሞ֖੊႑ࡽୟ০ዐሺे၎࿋ց‫ۉ׋‬ୟăኄժ‫ݥ‬ᅟ ๚Ljᅺྺ‫ۉ‬ୟႴᄲ੗ۙLjᅜց‫߳׋‬ዖ၎࿋ჽ‫׿‬Ljժ൐ࣷໜ ࿒‫܈‬Ăᇮॲඹֶ‫ڪ‬ᅺ໎ܸՎࣅăᅃ߲߸ྺൟ຿‫ݛپ༺ڦ‬ӄ ๟ཁे‫݆ױ߲ܾڼ‬पLjॽ֪ଉ႑ࡽ‫ױ‬ᅜ֖੊႑ࡽ‫ڦ‬90°၎ ᅎăኄ߲‫ܾڼ‬प‫ڦ‬๼‫؜‬႑ࡽॽᇑ๼෇‫ݒڦ‬၎ፇ‫ׯݴ‬ኟԲă ཮9ቛ๖କኄᅃ߁౒ă ঢ়ࡗଇप‫݆ױ‬ഗࢫLj‫گ‬ཚ୳հഗ‫ڦ‬๼‫ࣷ؜‬๟ᇑ๼෇‫ڦ‬ཞ၎ (I)तኟ঍(Q)ፇ‫ׯݴ‬ኟԲ‫گڦ‬ೕ႑ࡽăᄲऺ໙๼෇႑ࡽ‫ޗ‬ ‫܈‬LjኻႴൽIࢅQ๼‫ڦ؜‬ೝ‫ࢅݛ‬ă޿ॐࠓ‫ڦ‬ଷᅃࡻ‫ت‬๟౞࣏ ੗ᅜऺ໙घ૤/֖੊႑ࡽࢅ๼෇ኮक़‫ڦ‬၎࿋ă Page 12 ཮9. ๑ᆩ֖੊႑ࡽ‫ڦ‬ኟ঍঳ࡕऺ໙‫ࢅ܈ޗ‬၎࿋ ዁ُ༪ஃ‫ڦ‬໯ᆶဣཥ਩ׂࣷิ੗घ૤‫ߌد‬ഗ‫੊֖ڦ‬႑ࡽă ໮ۨ‫ٷݣ‬ഗ‫ڦ‬ፌࢫᅃၜ߀৊๟ሎႹྔև႑ࡽ؊‫੊֖ړ‬႑ ُ‫݆ݛ‬൩ጀᅪᅃ‫ۅ‬Ljాևิ‫ڦׯ‬ኟ၀հՂႷਏᆶ‫گ‬฿ኈă ໚඗๑ᆩ‫ݴ‬૬๕PLLࢅ‫݆ױ‬ഗ੗ᅜํ၄޿ဣཥLj‫ڍ‬๟๑ᆩ FPGAํ၄໮ۨ‫ٷݣ‬ഗࠀీࣷ‫ټ‬ઠ‫߲ܠ‬Ⴀీᆫ๞ă཮11ቛ ๖କ๑ᆩFPGAࠓॺ‫ڦ‬໮ۨ‫ٷݣ‬ഗLj֑ᆩएᇀADA4528-1ଭ ೋᅎ‫ٷݣ‬ഗ‫ڦ‬മ‫ࢅ܋‬24࿋Σ-Δ ADC AD7175-2ăُૌᆌᆩ࿮Ⴔ ࢔ߛ‫੻ټڦ‬Ljᅺُ࿢்੗ᅜॽ໮၎‫ٷݣ‬ഗ‫ڦ‬ሯำ‫੻ټ‬ยዃྺ 50 Hză๴֪ยԢධ඗๟ඪࢆ੗ྔևघ૤‫ߌدڦ‬ഗăADA4528-1 ದዃྺሯำሺᅮྺ20Ljᅜ؊‫ݴ‬૧ᆩADC‫ڦ‬஢ଉ‫(ײ‬Ԩ૩ໜ ᅪยዃ)ă໚඗኱ୁ‫ٱ‬ဃփࣷᆖၚ֪ଉLj‫ڍ‬๟ፌ‫ٷ‬၌‫܈‬ই‫گ‬ ฿ۙ೏ᅎࢅ1/fሯᅼධ඗࢔ዘᄲLjᅺྺ໲்ࣷ໫ၭ੗ᆩ‫ۯڦ‬ ༀ‫ྷݔ‬Ljᆮഄ๟ኍ‫ߛܔ‬ሺᅮದዃ‫ٷݣ‬ഗ‫ڦ‬൧઄ăADA4528-1 ‫ڦ‬2.5 μVፌֶ൧઄‫ڦ‬๼෇฿ۙဃֶ՗๖ኻᆶ10 ppm‫ڦ‬AD7175-2 ඇଉ‫ײ‬๼෇‫֑(ྷݔ‬ᆩ2.5 Vएጚ‫ۉ‬უ)ăADCࢫ‫ڦ‬ຕጴߛཚ୳ ཮10. ๑ᆩPLL໮ۨྔև֖੊႑ࡽ ࡽă૩සLj཮10ቛ๖କ੗๑ᆩ੻‫ټ‬ӣ؉‫ڨ‬ઠ֪๬՗௬࠼ბ ຌႠ‫ڦ‬ဣཥăُૌဣཥ੗ᅜ֪ଉ৥௬‫ݒ‬พႠई՗௬࿫කଉ հഗॽᅎ‫أ‬ඪࢆ኱ୁ฿ۙࢅೕ୲࢔‫ڦگ‬ሯำăᄲऺ໙๼‫؜‬ ሯำLj࿢்Ⴔᄲକ঴AD7175-2‫ۉڦ‬უሯำ௢‫܈‬ăຕ਍๮֩ ‫֖ڪ‬ຕăᇑᆌᆩ‫ۉ‬ጱۙ዆၎ԲLj๑ᆩऐႁቘհഗۙ዆ӣ؉ ࡀۨADCሯำྺ5.9 μVrmsLj๼‫؜‬ຕ਍໏୲ྺ50 kSPSLj๑ᆩ ‫࠼ڨ‬ᇸࣷ०‫ܠڥڇ‬ăথৎቘհഗ‫૸ڦ‬ॏ࿋ዃ‫ߌد‬ഗࣷิ‫ׯ‬ Sinc5 + Sinc1୳հഗժኧ‫׼‬๼෇࣐؋ഗă֑ᆩኄၵยዃ‫ڪڦ‬ ‫ݛ‬հ֖੊႑ࡽઍໃߴ໮ۨ‫ٷݣ‬ഗă໮၎ׂ࣍ࣷิᇑ๼෇֖ ၳሯำ‫ྺ੻ټ‬21.7 kHzLjኄॽׂิ40 nV/√Hz‫ۉڦ‬უሯᅼ௢ ੊႑ࡽೕ୲ࢅ၎࿋၎ཞ‫ڦ‬ኟ၀հLjܸ‫ݥ‬኱থ๑ᆩُ႑ࡽă ‫܈‬ăADA4528‫ټ੻ڦ‬๼෇ሯำ๟5.9 nV/√HzLj໲ࣷሞ๼‫ྺ؜‬ Page 13 118 nV/√Hz้‫؜‬၄Ljׂิ125 nV/√Hz‫ڦ‬ፇࢇሯᅼ௢‫܈‬ăᆯ ᇀຕጴ୳հഗ‫ڪڦ‬ၳሯำ‫੻ټ‬ৈྺ50 HzLjᅺُ๼‫؜‬ሯำྺ 881 nVrmsăሞ±2.5 V๼෇‫ాྷݔ‬Ljኄॽׂิ‫ۯ‬ༀ‫ྺྷݔ‬126 dB ‫ڦ‬ဣཥăཚࡗۙኝ‫گ‬ཚ୳հഗ‫ڦ‬ೕ୲ၚᆌLj࿢்ీࠕᅜ‫ټ‬ ੻ઠ࣑ൽ‫ۯ‬ༀ‫ྷݔ‬ă૩සLjኍ‫ܔ‬1 Hz‫ڪ‬ၳሯำ‫੻ټ‬ยዃ୳հ ഗLj໯ׂิ‫ۯڦ‬ༀ‫ྺྷݔ‬143 dBLjܸॽ‫੻ټ‬ยዃྺ250 HzLj ሶࣷइ‫ڥ‬119 dB‫ۯڦ‬ༀ‫ྷݔ‬ă ཮11. एᇀFPGA‫ڦ‬໮ۨ‫ٷݣ‬ഗ ຕጴ໮၎࣍ࣷิ‫ׯ‬໮ۨྺघ૤႑ࡽ(੗ᅜ๟ྔև႑ࡽई FPGAాևิ‫ڦׯ‬႑ࡽLjժ൐փՂ๟ኟ၀հ)‫ڦ‬ኟ၀հă֖ ੊ኟ၀հዐ‫ڦ‬ඪࢆၿհᄺॽᇑ๼෇႑ࡽ၎‫ױ‬Ljॽၿհೕ୲ ዐ٪ሞ‫ڦ‬ሯำࢅഄ໱࿮ᆩ‫ڦ‬႑ࡽ঴ۙLjኄኟසଇ߲‫ݛ‬հ၎ ‫ڦױ‬൧઄(९཮5)ăᅜຕጴ‫ݛ‬๕ิ‫੊ُ֖ׯ‬ኟ၀հ‫ڦ‬ᅃ߲ᆫ ๞๟LjኄᄣኻႴۙኝຕጴ৛‫܈‬Ljन੗၎‫ܔ‬ൟ຿‫ׯิں‬฿ኈ ‫܈‬ट‫ڦگ‬႑ࡽă૩සLj཮12ቛ๖କ຺߲๑ᆩ4Ă8Ă16ࢅ32 ࿋৛‫܈‬ᅜຕጴ‫ݛ‬๕ิ‫ڦׯ‬ኟ၀հă၂඗Lj๑ᆩ4࿋৛‫܈‬໯ इ‫ڦڥ‬Ⴀీᇑ཮5ዐ‫ڦ‬൧઄ֶ՚փ‫ٷ‬Lj‫ڍ‬๟޿൧઄ࣷሞ๑ ᆩ߸ߛ৛‫܈‬ຕጴࢫ࢔੺‫ڥ‬ᅜ߀฀ăሞ16࿋৛‫܈‬ཉॲူLjႴ ᄲ޲‫؜‬ᅃၵ౮૰֍ీิ‫ׯ‬ਏᆶසُ‫گ‬ጺၿհ฿ኈ(THD)‫ڦ‬ ఇె႑ࡽLjሞ32࿋৛‫้܈‬THD‫–ࡗג‬200 dBLjኄ๟փ੗ీᇑ ఇె‫ۉ‬ୟ၎೅ದ‫ڦ‬ăُྔLjᆯᇀኄၵ๟ᅜຕጴ‫ݛ‬๕ิ‫ڦׯ‬ ႑ࡽLjᅺُ໲்੗ᅜ࢔ࡻ‫ں‬ዘްăॽຕ਍ገ࣑‫ڟ‬ຕጴᇘժ ๼෇FPGAࢫLj৽࿮Ⴔ੊୯ഄ໱ሯำई೏ᅎă ሞ‫݆ױ‬ഗࢫLj‫گ‬ཚ୳հഗॽ‫أ‬ඁඪࢆߛೕ‫ݴׯ‬ժ๼‫؜‬႑ࡽ ‫ڦ‬ཞ၎ࢅኟ঍ፇ‫ݴ‬ăीჄ्ۨ୳հഗ‫ڪڦ‬ၳሯำ‫੻ټ‬ৈྺ 50 HzLjுᆶ૙ᆯӀᇱ๔֑ᄣ໏୲250 kSPS‫د‬๼ຕ਍ă‫گ‬ཚ୳ հഗ੗Ԉઔ؏ൽ୳հഗपLjᅜই‫گ‬๼‫؜‬ຕ਍໏୲ă޿ୁ‫ײ‬ ‫ڦ‬ፌࢫᅃօ๟ऺ໙๼෇႑ࡽཞ၎ࢅኟ঍ፇ‫ࢅ܈ޗڦݴ‬၎࿋ă Page 14 ཮12. ๑ᆩփཞ‫ڦ‬ຕጴ৛‫܈‬ᅜຕጴ‫ݛ‬๕ิ‫ׯ‬ኟ၀հ ၭ঳ ഴ෇ሯ‫گڦڹ‬ೕၭ႑ࡽవᅜ֪ଉLj‫ڍ‬๟ᆌᆩۙ዆ࢅ໮ۨ‫ݣ‬ ‫ٷ‬ഗरຍ੗ᅜइ‫ߛڥ‬৛‫֪ڦ܈‬ଉăፌ०‫ڦڇ‬໮ۨ‫ٷݣ‬ഗ੗ ᅜ๟ሞଇ߲ሺᅮኮक़ൎ࣑‫ڦ‬ሏ໙‫ٷݣ‬ഗă໚඗ኄփࣷ‫ټ‬ઠ ፌࡻ‫ڦ‬ሯำႠీLj‫ڍ‬๟ᇑ०‫ڦڇ‬኱ୁ֪ଉ၎ԲLj०‫گڦڇ‬ ‫ׯ‬Ԩ‫ۉ‬ୟධ඗‫׉ݥ‬ਏᆶဌᆅ૰ăُ‫ۉ‬ୟ‫ڦ‬ᅃၜ߀৊๟๑ᆩ ኟ၀հ֖੊ࢅ‫݆ױ‬ഗLj‫ڍ‬๟ሞఇెᇘዐํ၄ࣷԲডవăྺ इ‫ڥ‬ዕटႠీLj੗੊୯๑ᆩ‫گ‬ሯำĂߛ‫ݴ‬Ր୲‫ڦ‬Σ-Δ ADC (૩සAD7175-2)LjᅜՍॽ๼෇႑ࡽຕጴࣅLj඗ࢫิ‫੊֖ׯ‬ ኟ၀հᅜतຕጴᇘዐ໮ۨ‫ٷݣ‬ഗ‫ڦ‬໯ᆶഄ໱ᄲ໎ă Page 15 ፕኁ Luis Orozco [luis.orozco@analog.com]๟ADIࠅິ߾ᄽࢅᅏഗ ᅏ՗ևဣཥᆌᆩ߾‫ײ‬฾Ljዷᄲภፁ৛௢ᅏഗᅏ՗Ăࣅბ‫ݴ‬ ဆࢅ࣍ৣ֪॔ᆌᆩăLuisᇀ2011౎2ሆे෇ADIăሞे෇ ADIമLj໱ሞຕ਍֑णยԢยऺଶᇘᆛᆶ‫ࡗג‬ๆ౎‫߾ڦ‬ፕ ঢ়ᄓă One Technology Way t P.O. 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TA12671sc-0-9/14 Page 16 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă ߛ໏ADC‫ۉڦ‬ᇸยऺ ፕኁǖRob ReederLjADIߛ໏႑ࡽ‫ت‬૙և(ԛਸ਼ஆટభዝ ߭ଠຯձஆ)ጨศᆌᆩ߾‫ײ‬฾ ాඹ༵ᄲ සৃLjሞยऺටᇵ௬ଣዚ‫ۉܠ‬ᇸ჋ስ‫ڦ‬൧઄ူLjྺߛ໏ ADCยऺൣল‫ۉ‬ᇸ้੗ీࣷ௬ଣ਎‫ٷ‬཈቟ăሞ૧ᆩߛ ၳਸ࠲‫ۉ‬ᇸܸ‫دݥ‬ཥLDO‫ࢇׇڦ‬LjኄᆮഄዘᄲăُྔLj ‫ܠ‬ຕADCժ࿄ߴ‫ߛ؜‬ೕ‫ۉ‬ᇸᅞ዆ࡀ߭Ljኄ๟჋ስኟඓ ‫ۉ‬ᇸ‫ڦ‬ᅃ߲࠲॰ᅺ໎ă Ԩरຍ࿔ቤॽ௮ຎᆩᇀ֪ଉገ࣑ഗAC‫ۉ‬ᇸᅞ዆Ⴀీ‫ڦ‬ रຍLjᆯُྺገ࣑ഗ‫ۉ‬ᇸሯำଳ௺‫܈‬ඓ૬ᅃ߲एጚă࿢ ்ॽ‫ܔ‬ᅃ߲ํा‫ۉ‬ᇸ৊ႜ‫ڦ‬०‫ڇ‬ሯำ‫ݴ‬ဆLjቛ๖සࢆӝ ኄၵຕኵᆌᆩᇀยऺ‫ړ‬ዐLjᅜᄓኤ‫ۉ‬ᇸ๟‫ీޏ‬஢ፁ໯჋ ገ࣑ഗ‫ڦ‬ᄲ൱ăጺኮLjԨ࿔ॽ௮ຎᅃၵ०‫ڦڇ‬ኸ‫ݛڞ‬ ኍLjᅜՍ‫ߴټ‬ᆩࢽᅃၵኸ‫ڞ‬Ljӻዺഄྺߛ໏ገ࣑ഗยऺ ‫ۉ‬ᇸă ‫ৃړ‬Ⴙ‫ܠ‬ᆌᆩ‫ۼ‬ᄲ൱ߛ໏֑ᄣఇຕገ࣑ഗ(ADC)ਏᆶ12࿋ ईᅜฉ‫ݴڦ‬Ր୲LjᅜՍᆩࢽీࠕ৊ႜ߸৛ඓ‫ڦ‬ဣཥ֪ଉă ඗ܸLj߸ߛ‫ݴ‬Ր୲ᄺᅪ࿆ጣဣཥ‫ܔ‬ሯำ߸े௺ߌăဣཥ‫ݴ‬ Ր୲௅༵ߛᅃ࿋Lj૩සٗ12࿋༵ߛ‫ڟ‬13࿋Ljဣཥ‫ܔ‬ሯำ‫ڦ‬ ௺ߌ‫ߛ༵ࣷ৽܈‬ᅃԠăᅺُLj‫ܔ‬ᇀADCยऺLjยऺටᇵՂ Ⴗ੊୯ᅃ߲‫׉׉‬ԥᅍྮ‫ڦ‬ሯำᇸ——ဣཥ‫ۉ‬ᇸăADCຌᇀ ௺ߌ႙ഗॲLj௅߲๼෇(नఇెĂ้ዓࢅ‫ۉ‬ᇸ๼෇)਩ᆌೝ ‫ځܔڪ‬LjᅜՍසຕ਍๮֩໯ຎLjํ၄ፌॅႠీăሯำઠᇸ ዚ‫ܠ‬Ljႚ๕‫ܠ‬ᄣLjሯำ‫ޖ‬พࣷᆖၚႠీă रຍ࿔ቤ MS-2210 ཮1. ‫ۉৃړ‬ጱᄽহ‫้ڦ‬Ỵ߁౒๟ႎยऺሞই‫ׯگ‬Ԩ‫ڦ‬ཞ้࣏ᄲ “୴෥࣍ԍ”ăਏ༹‫ڟ‬Սၻ๕ᆌᆩLj໲ᄲ൱ই‫ࡼࠀگ‬Ă०ࣅ ඤ࠶૙Ăፌ‫ۉࣅٷ‬ᇸၳ୲ժჽ‫׾ۉ׊‬๑ᆩ้क़ă඗ܸLj‫ٷ‬ ‫ܠ‬ຕADC‫ڦ‬ຕ਍๮֩ॺᅱ๑ᆩ၍Ⴀ‫ۉ‬ᇸLjᅺྺഄሯำ‫گ‬ᇀ ਸ࠲‫ۉ‬ᇸăኄሞగၵ൧઄ူ੗ీඓํසُLj‫ڍ‬ႎ‫ڦ‬रຍ݀ ቛኤ௽Ljਸ࠲‫ۉ‬ᇸ੗ᅜᄺᆩᇀཚ႑ࢅᅅଐᆌᆩ(९֖੊࿔၅ և‫“ڦݴ‬How to Test Power Supply Rejection Ratio (PSRR) in an ADC”(සࢆ֪๬ADCዐ‫ۉڦ‬ᇸᅞ዆Բ(PSRR)))ă Ԩ࿔঻ถ‫ܔ‬ᇀକ঴ߛ໏ADC‫ۉ‬ᇸยऺ዁࠲ዘᄲ‫߳ڦ‬ዖ֪๬ ֪ଉ‫݆ݛ‬ăྺକඓۨገ࣑ഗ‫ࡆۉࠃܔ‬ሯำᆖၚ‫܈ߌ௺ڦ‬Lj ᅜतඓۨࠃ‫ࡆۉ‬ՂႷ‫ت‬ᇀࢆዖሯำ຤ೝ֍ీ๑ADCํ၄ᇨ ೺ႠీLjᆶଇዖ֪๬ๆ‫ݴ‬ᆶᆩǖᅃӯ‫ۉྺ׬‬ᇸᅞ዆Բ (PSRR)ࢅ‫ۉ‬ᇸۙ዆Բ(PSMR)ă ఇె‫ۉ‬ᇸᆅগၘ঴ ᅃӯփණྺ‫ۉ‬ᇸᆅগ๟๼෇Lj‫ํڍ‬ाฉ໲ඓํ๟๼෇ă໲ ‫ܔ‬ሯำࢅ฿ኈ‫܈ߌ௺ڦ‬੗ᅜၟ้ዓࢅఇె๼෇ᆅগᅃᄣ௺ ߌăन๑৊෇‫ۉ‬ᇸᆅগ‫ڦ‬႑ࡽํाฉ๟኱ୁLjܸ൐ᅃӯփ ࣷ‫؜‬၄ዘްႠհ‫ۯ‬Lj‫ڍ‬኱ୁೋዃฉධ඗٪ሞᆶۨଉ‫ڦ‬ሯำ ࢅ฿ኈă‫ڞ‬ዂኄዖሯำ‫ڦ‬ᇱᅺ੗ీ๟ాևᅺ໎Ljᄺ੗ీ๟ ྔևᅺ໎Lj঳ࡕࣷᆖၚገ࣑ഗ‫ڦ‬Ⴀీă ၙၙঢ়‫ڦۆ‬ᆌᆩӄ૩LjഄዐLjገ࣑ഗ֑ᄣ้ዓ႑ࡽዐᆶሯ ำई۶‫ۯ‬ă֑ᄣ้ዓฉ‫ڦ‬۶‫ۯ‬੗ీ՗၄ྺৎሜհሯำLjժ ൐/ईኁ࣏੗ీ՗၄ྺ੻‫ټ‬ሯำăኄଇዖሯำ‫ۼ‬ൽਦᇀ໯๑ ᆩ‫ڦ‬ና‫ږ‬ഗࢅဣཥ้ዓ‫ۉ‬ୟăन๑ӝ૙ၙ‫ڦ‬ఇె๼෇႑ࡽ ༵ࠃߴ૙ၙ‫ڦ‬ADCLj้ዓሗዊᄺࣷሞ๼‫؜‬ೕ೷ฉᆶ໯՗ ၄Ljස཮2໯๖ă Page 17 MS-2210 ཮2. ֑ᄣ้ዓሯำ‫ܔ‬૙ၙຕጴࣅኟ၀հ‫ڦ‬ᆖၚ ઠ๑߰૗ၳࡕ‫ڟٳ‬ፌ‫ࣅٷ‬ăሞ‫ۉ‬ᇸሯำ‫׉ݥ‬௽၂‫ڦ‬൧઄ ူLjᆶၵૌ႙(සࠌᇸट)੗ీժփ๟ๆ‫ࢇݴ‬๢Ljᅺྺ‫ۉ‬ᇸ ๟ཚࡗፆႠᇮॲೋዃ‫ڦ‬Ljܸ޿ፆႠᇮॲࢫઠᆼ૶থ‫ڟ‬๼‫؜‬ पLjස཮3ࢅ཮4໯๖ăAVDDᆅগฉ‫ڦ‬ඪࢆۙ዆Ăሯำ‫ڪ‬ ੗ీ߸ඹᅟ՗၄‫؜‬ઠLjܸٗ‫ܔ‬ਆևࢅ/ତৎ‫ۉ‬ୟሰ‫ׯ‬ᆖၚă ኄኟ๟Ⴔᄲକ঴ժ༑໭ገ࣑ഗPSRRຕ਍‫ڦ‬ᇱᅺ໯ሞă ཮3. փཞ‫ۉڦ‬ୟྊ೫঳ࠓ——ํ၄‫ݛ‬ӄA ᆯ޿཮੗ᅜླྀஃ‫؜‬๟‫ۉ‬ᇸᆅগăᆩᅃ߲ఇె‫ۉ‬ᇸᆅগ (AVDD)‫཮༺پ‬2ዐ‫֑ڦ‬ᄣ้ዓ๼෇ᆅগă၎ཞ‫ڦ‬ᇱ૙ሞُ ཞᄣ๢ᆩLjनඪࢆሯำ(ৎሜհሯำई੻‫ټ‬ሯำ)ॽᅜኄዖ ਝओ‫ݛ‬๕‫؜‬၄ሞ๼‫؜‬ೕ೷ฉă඗ܸLjᆶᅃ‫ۅ‬փཞǗ੗ᅜॽ ‫ۉ‬ᇸᆅগ๫ྺ‫ټ‬ᅃ߲40 dB዁60 dB‫ڦ‬ປ३ഗ(ਏ༹ൽਦᇀ߾ ᅝࢅ‫ۉ‬ୟྊ೫঳ࠓ)‫ټ੻ڦ‬๼෇ᆅগăሞཚᆩ႙MOS‫ۉ‬ୟ ঳ࠓዐLjඪࢆᇸटᆅগई୑टᆅগሞԨዊฉ‫ۼ‬๟ᇑ႑ࡽୟ ০၎߰૗‫װ(ڦ‬ፆႠ)Ljܸٗ‫ټ‬ઠ‫ٷ‬ଉປ३Ljቆटᆅগई႑ ࡽୟ০ሶփ๟ኄᄣă्ۨ޿ยऺ֑ᆩኟඓ‫ۉ ڦ‬ୟ঳ࠓૌ႙ ཮4. փཞ‫ۉڦ‬ୟྊ೫঳ࠓ——ํ၄‫ݛ‬ӄB ኟසփཞํ၄‫ݛ‬๕໯๖Lj٪ሞसิRĂCࢅ฿ದሰ‫ڦׯ‬փཞ ೕ୲༬ႠăऻዿLj߾ᅝᄺሞփ܏ՎၭLjໜጣ߾ᅝ‫ڦ‬ՎၭLj ੗ᆩ‫ࣷ৽੻ټ‬ሺेLj੗ᆩ໏୲ᄺ༵ࣷืă੊୯‫ڟ‬ኄᅃ‫ۅ‬Lj ኄᅪ࿆ጣ߸‫ۉڦگ‬ᇸࢅ߸ၭ‫ڦ‬ពኵăྺُLjྺ๊஺փӝ‫ۉ‬ ᇸব‫ړۅ‬ፕߛ‫੻ټ‬๼෇఼Lj৽ၟ֑ᄣ้ዓईఇె๼෇ᆅগ ᅃᄣ఼Ǜ Page 18 ࢆ࿍‫ۉ‬ᇸᅞ዆ ‫ࡆۉࠃړ‬ฉᆶሯำ้LjਦۨADCႠీ‫ڦ‬ᅺ໎ዷᄲᆶෙ߲Lj ໲்๟PSRR-dcĂPSRR-acࢅPSMRăPSRR-dcኸ‫ۉ‬ᇸ‫ۉ‬უ‫ڦ‬ Վࣅᇑᆯׂُิ‫ڦ‬ADCሺᅮई฿ۙဃֶ‫ڦ‬ՎࣅኮԲኵLj໲ ੗ᅜᆩፌ‫گ‬ᆶၳ࿋(LSB)‫ݴڦ‬ຕĂӥ‫ݴ‬Բई‫ܔ‬ຕdB (PSR = 20 × log10 (PSRR))ઠ՗๖Ljཚ‫֑ۨࡀ׉‬ᆩ኱ୁཉॲă ‫ڍ‬๟Ljኄዖ‫݆ݛ‬ኻీত๖ADC‫ڦ‬ᅃ߲‫֖ۨܮ‬ຕໜ‫ۉ‬ᇸ‫ۉ‬უ ੗ీࣷසࢆՎࣅLjᅺُ࿮݆ኤ௽ገ࣑ഗ‫ڦ‬࿘ۨႠă߸ࡻ‫ڦ‬ ‫݆ݛ‬๟ሞ኱ୁ‫ۉ‬ᇸኮฉแेᅃ߲঍ୁ႑ࡽLj඗ࢫ֪๬‫ۉ‬ᇸ ᅞ዆Ⴀీ(PSRR-ac)Ljܸٗዷ‫ۯ‬ཚࡗገ࣑ഗ‫ۉ‬ୟ᳘ࢇ႑ࡽ (ሯำᇸ)ăኄዖ‫݆ݛ‬Ԩዊฉ๟‫ܔ‬ገ࣑ഗ৊ႜປ३Ljॽഄጲ ว՗၄ྺሗො(ሯำ)Lj໲ࣷሞగᅃߴۨ‫ߛื܈ޗ‬዁ገ࣑ഗ ሯ‫ڹ‬ᅜฉăഄᅪᅭ๟՗௽ሞጀ෇ሯำࢅ‫ڦۨߴ܈ޗ‬ཉॲူ ገ࣑ഗࢆ้ࣷԪએăཞ้Ljኄᄺీඟยऺටᇵକ঴‫ٷܠڟ‬ ‫ۉڦ‬ᇸሯำࣷᆖၚ႑ࡽईे෇‫ڟ‬႑ࡽዐăPSMRሶᅜփཞ ‫ݛڦ‬๕ᆖၚገ࣑ഗLj໲՗௽‫ړ‬ᇑแे‫ڦ‬ఇె๼෇႑ࡽ৊ႜ ۙ዆้Ljገ࣑ഗ‫ۉܔ‬ᇸሯำᆖၚ‫܈ߌ௺ڦ‬ăኄዖᆖၚ՗၄ ྺแेᇀገ࣑ഗ‫ڦ‬IFೕ୲޹ৎ‫ۙڦ‬዆Ljසࡕ‫ۉ‬ᇸยऺփჹ ৉Lj໲੗ీࣷჹዘ೦࣋ሜհՉ‫ټ‬ă ጺኮLj‫ۉ‬ᇸሯำᆌ‫ړ‬ၟገ࣑ഗ‫ڦ‬ඪࢆഄ໱๼෇ᅃᄣ৊ႜ֪ ๬ࢅ‫ت‬૙ăᆩࢽՂႷକ঴ဣཥ‫ۉ‬ᇸሯำLj‫ޏ‬ሶ‫ۉ‬ᇸሯำࣷ MS-2210 ༵ߛገ࣑ഗሯ‫ڹ‬Lj၌዆ኝ߲ဣཥ‫ۯڦ‬ༀ‫ྷݔ‬ă ‫ۉ‬ᇸ֪๬ ཮6໯๖ྺሞဣཥӱฉ֪ଉADC PSRR‫ڦ‬ยዃă‫ݴ‬՚֪ଉ௅ ߲‫ۉ‬ᇸLjᅜՍ߸ࡻ‫ں‬କ঴‫ړ‬ᅃ߲঍ୁ႑ࡽแेᇀ‫ۉ֪ځ‬ᇸ ኮฉ้LjADC‫ۯڦ‬ༀ༬Ⴀăਸ๔้๑ᆩᅃ߲ߛඹኵ‫ۉ‬ඹLj ૩ස100 μF‫ݥ‬टࣅ‫ۉ‬঴ዊ‫ۉ‬ඹă‫ߌۉ‬๑ᆩ1 mHLj؊‫ړ‬኱ୁ ‫ۉ‬ᇸ‫ڦ‬঍ୁፆ෗ഗLjᅃӯॽ໲‫“ྺ׬‬ೋዃ-T”Lj੗ᅜࠔச֑ ᆩ૶থഗ๕‫ހ‬ጎ‫ׂڦ‬೗ă ๑ᆩ๖հഗ֪ଉ঍ୁ႑ࡽ‫܈ޗڦ‬Ljॽᅃ߲๖հഗ༑ኍ‫ݣ‬ሞ‫ۉ‬ ᇸ৊෇‫֪ځ‬ADC‫ۉڦ‬ᇸᆅগฉăྺ०ࣅഐ९Ljॽแेᇀ‫ۉ‬ ᇸฉ‫ڦ‬঍ୁ႑ࡽଉۨᅭྺᅃ߲ᇑገ࣑ഗ๼෇஢ଉ‫ײ‬၎࠲‫ڦ‬ ኵă૩සLjසࡕADC‫ڦ‬஢ଉ‫ྺײ‬2V p-pLjሶ๑ᆩ200 mV p-p ई–20 dBăথူઠඟገ࣑ഗ‫ڦ‬๼෇‫܋‬থ‫(ں‬փแेఇె႑ࡽ)Lj ֱቴሯ‫ڹ‬/FFTೕ೷ዐ‫ت‬ᇀ֪๬ೕ୲‫ڦ‬ဃֶሗොLjස཮5໯ ๖ăැᄲऺ໙PSRRLjኻႴٗFFTೕ೷ฉ໯๖‫ڦ‬ဃֶሗොኵዐ ३ඁ–20 dBन੗ă૩සLjසࡕဃֶሗො‫؜‬၄ሞሯ‫–ڦڹ‬80 dB ‫ت‬LjሶPSRRྺ–80 dB – –20 dBLjन–60 dB(PSRR = ဃֶሗො (dB) – ๖հഗ֪ଉ঳ࡕ(dB))ă–60 dB‫ڦ‬ኵຼࢭժփ‫ٷ‬Lj‫ڍ‬ස ࡕ࣑໙‫ۉׯ‬უLj໲၎‫ړ‬ᇀ1 mV/V(ई10−60/20)Ljኄ߲ຕጴ‫ܔ‬ᇀ ඪࢆገ࣑ഗຕ਍๮֩ዐ‫ڦ‬PSRRࡀܸ߭ჾ‫ۼ‬ժփး९ă ཮5. PSRR—FFTೕ೷๖૩ Page 19 MS-2210 ཮6. ‫ۆ‬႙‫ڦ‬PSRR֪๬ยዃ ူᅃօ๟߀Վ঍ୁ႑ࡽ‫ڦ‬ೕ୲ࢅ‫܈ޗ‬LjᅜՍඓۨADCሞဣ ཥӱዐ‫ڦ‬PSRR༬Ⴀăຕ਍๮֩ዐ‫ٷڦ‬և‫ݴ‬ຕኵ๟‫ۆ‬႙ኵLj ੗ీኻኍ‫ܔ‬ፌֶ߾ፕཉॲईፌֶႠీ‫ۉڦ‬ᇸă૩සLj၎‫ܔ‬ ֪ଉ኱ୁ‫ۉ‬ᇸLjᅜՍց‫޿׋‬໦ࡼă૩සLj5 V‫ۉ‬ᇸঢ়ࡗLCྪ ஏࢫLjဣཥӱฉ੗ీኻᆶ4.8 Văᄲց‫޿׋‬໦ࡼLjኻႴืߛ ‫ۉ‬ᇸ‫ۉ‬უन੗ă ᇀഄ໱‫ۉ‬ᇸLj5 Vఇె‫ۉ‬ᇸ੗ీ๟ፌֶ‫ڦ‬ăᆌඓԍ໯ᆶ‫ۉ‬ᇸ ‫ڦ‬༬Ⴀ‫ۼ‬ᆶຫ௽Ljසࡕຫ௽‫ڥ‬փඇ௬Lj൩ጧკ‫ॆ׍‬ăኄ ᄣLjยऺටᇵॽీྺ௅߲‫ۉ‬ᇸยዃ๢‫ڦړ‬ยऺሀຐཉॲă ൩ऻዿLj๑ᆩLCದዃ֪๬PSRR/PSMR้ᆶᅃ߲ඍ‫ۅ‬ă‫ړ‬෢ ௮ణՔೕ܎้Ljྺ๑ADC‫ۉ‬ᇸᆅগ‫ڟٳ‬໯Ⴔ‫ڦ‬๼෇‫ۉ‬ೝLj հႚ݀ิഗ๼‫܋؜‬໯Ⴔ‫ڦ‬႑ࡽ‫ۉ‬ೝ੗ీ‫ߛ׉ݥ‬ăኄ๟ᅺྺ LCದዃࣷሞగᅃೕ୲(޿ೕ୲ൽਦᇀ໯჋‫ڦ‬ኵ)ႚ‫ׯ‬။հ୳ հഗăኄࣷ‫ٷٷ‬ሺे။հ୳հഗ‫ڦت‬থ‫ୁۉں‬Lj޿‫ୁۉ‬੗ ీࣷ৊෇ఇె๼෇‫܋‬ăᄲ঴ਦኄᅃ࿚༶LjኻႴሞ֪๬ೕ୲ ሰ‫֪ׯ‬ଉઓవ้࣑෇ႎ‫ڦ‬LCኵăኄ૛࣏ᆌጀᅪLjLCྪஏ ሞ኱ୁཉॲူᄺࣷ݀ิ໦ࡼăऻዿᄲሞADC‫ۉڦ‬ᇸᆅগฉ PSMR‫֪ڦ‬ଉ‫ݛ‬๕एԨฉᇑPSRR၎ཞăփࡗሞ֪ଉPSMR ้LjႴॽᅃ߲ఇె๼෇ೕ୲แेᇀ֪๬ยዃLjස཮7໯๖ă ଷᅃ߲൶՚๟ৈሞ‫گ‬ೕแेۙ዆ईဃֶ႑ࡽLjణ‫ڦ‬๟ֱੂ ُ႑ࡽᇑแेᇀገ࣑ഗ‫ڦ‬ఇె๼෇ೕ୲‫ंڦ‬ೕၳᆌă‫ܔ‬ᇀ ኄዖ֪๬Ljཚ‫׉‬๑ᆩ1 kHz዁100 kHzೕ୲ăኻᄲీሞएೕዜ ྷੂ‫ڟ‬ဃֶ႑ࡽनंೕ঳ࡕLjሶຫ௽ဃֶ႑ࡽ‫܈ޗڦ‬੗ᅜ ԍ‫׼‬၎‫࢛ۨܔ‬ă‫ڍ‬ᄺփ‫߀ݟ‬Վ໯แे‫ۙڦ‬዆ဃֶ႑ࡽ‫ޗ‬ ‫܈‬LjᅜՍ৊ႜॠֱLjඓԍُኵ࢛ۨăྺକइ‫ڥ‬ፌዕ঳ࡕLj ፌߛ(ፌֶ)ۙ዆ሗො၎‫ܔ‬ᇀएೕ‫܈ޗڦ‬ኮֶॽਦۨPSMRࡀ ߭ă཮8໯๖ྺํ֪PSMR FFTೕ೷‫ڦ‬๖૩ă Page 20 MS-2210 ཮7. ‫ۆ‬႙‫ڦ‬PSMR֪๬ยዃ ཮8. PSMR—և‫ݴ‬FFTೕ೷๖૩ ‫ۉ‬ᇸሯำ‫ݴ‬ဆ ๯ံLj჋ስገ࣑ഗLj඗ࢫ჋ስۙবഗĂLDOĂਸ࠲ۙবഗ ‫ܔ‬ᇀገ࣑ഗࢅፌዕ‫ڦ‬ဣཥܸჾLjՂႷඓԍඪᅪߴۨ๼෇ฉ ‫ڪ‬ăժ‫ݥ‬໯ᆶۙবഗ‫ۼ‬๢ᆩăᆌ‫ۙੂֱړ‬বഗຕ਍๮֩ዐ ‫ڦ‬ሯำփࣷᆖၚႠీăമ௬ᅙঢ়঻ถକPSRRࢅPSMRतഄ ዘᄲᅪᅭLjူ௬ॽཚࡗᅃ߲๖૩ຫ௽සࢆᆌᆩ໯֪‫ڦڥ‬ຕ ‫ڦ‬ሯำࢅ࿖հኸՔLjᅜतਸ࠲ೕ୲(සࡕ๑ᆩਸ࠲ۙবഗ)ă ‫ۆ‬႙ۙবഗሞ100 kHz‫ా੻ټ‬੗ీਏᆶ10 μV rmsሯำă्ย ኵă޿๖૩ॽᆶዺᇀยऺටᇵ௽ӣLjྺକକ঴‫ۉ‬ᇸሯำժ ޿ሯำྺӣሯำLjሶ໲ሞణՔೕ܎ా၎‫ړ‬ᇀ31.6 nV rms/√Hz ஢ፁဣཥยऺႴ൱Ljᆌ‫ړ‬ጀᅪనၵ‫ݛ‬௬ᅜतසࢆኟඓยऺă ‫ڦ‬ሯำ௢‫܈‬ă Page 21 MS-2210 থጣॠֱገ࣑ഗ‫ۉڦ‬ᇸᅞ዆ኸՔLjକ঴ገ࣑ഗ‫ڦ‬Ⴀీࢆ้ ࣷᅺྺ‫ۉ‬ᇸሯำܸူইăሞ‫ڼ‬ᅃలઊຯ༬൶fS/2Lj‫ܠٷ‬ຕ ߛ໏ገ࣑ഗ‫ڦ‬PSRR‫ۆ‬႙ኵྺ60 dB (1 mV/V)ăසࡕຕ਍๮֩ ࿄ߴ‫޿؜‬ኵLj൩Ӏቷമຎ‫݆ݛ‬৊ႜ֪ଉLjईኁკ࿚‫ॆ׍‬ă ๑ᆩᅃ߲2 V p-p஢ଉ‫ײ‬๼෇‫ྷݔ‬Ă78 dB SNRࢅ125 MSPS֑ ᄣ໏୲‫ڦ‬16࿋ADCLjഄሯ‫ྺڹ‬11.26 nV rmsăඪࢆઠᇸ‫ڦ‬ሯ ำ‫ۼ‬ՂႷ‫گ‬ᇀُኵLjᅜ‫ݞ‬ഄᆖၚገ࣑ഗăሞ‫ڼ‬ᅃలઊຯ༬ ൶Ljገ࣑ഗሯำॽ๟89.02 μV rms (11.26 nV rms/√Hz) × √ (125 MHz/2)ă໚඗ۙবഗ‫ڦ‬ሯำ(31.6 nv/√Hz)๟ገ࣑ഗ‫ڦ‬ ଇԠᅜฉLj‫ڍ‬ገ࣑ഗᆶ60 dB‫ڦ‬PSRRLj໲ࣷॽਸ࠲ۙবഗ‫ڦ‬ ሯำᅞ዆‫ڟ‬31.6 pV/√Hz (31.6 nV/√Hz × 1 mV/V)ăኄᅃሯำ Բገ࣑ഗ‫ڦ‬ሯ‫ڹ‬ၭ‫ܠڥ‬Ljᅺُۙবഗ‫ڦ‬ሯำփࣷই‫گ‬ገ࣑ ഗ‫ڦ‬Ⴀీă ‫ۉ‬ᇸ୳հĂথ‫ࢅں‬քਆཞᄣዘᄲăሞADC‫ۉ‬ᇸᆅগฉሺे 0.1 μF‫ۉ‬ඹ੗๑ሯำ‫گ‬ᇀമຎऺ໙ኵă൩ऻዿLjగၵ‫ۉ‬ᇸᆅ গဌൽ‫ୁۉڦ‬ড‫ܠ‬LjईኁԲഄ໱‫ۉ‬ᇸᆅগ߸௺ߌăᅺُᆌ ‫ัړ‬ᆩඁ᳘‫ۉ‬ඹLj‫ڍ‬ᄲጀᅪగၵ‫ۉ‬ᇸᆅগ੗ీႴᄲ‫ڦྔܮ‬ ඁ᳘‫ۉ‬ඹăሞ‫ۉ‬ᇸ๼‫܋؜‬ሺेᅃ߲०‫ڦڇ‬LC୳հഗᄺᆶዺ ᇀই‫گ‬ሯำăփࡗLj‫ړ‬๑ᆩਸ࠲ۙবഗ้Ljप૴୳հഗీ ॽሯำᅞ዆‫گ߸ڟ‬຤ೝăႴᄲऻዿ‫ڦ‬๟Lj௅ሺेᅃपሺᅮ ৽ࣷ௅10Ԡೕ‫ײ‬ሺे‫ٷ‬ሀ20 dBă ፌࢫႴᄲጀᅪ‫ڦ‬ᅃ‫ۅ‬๟Ljኄዖ‫ݴ‬ဆৈኍ‫߲ڇܔ‬ገ࣑ഗܸ ჾăසࡕဣཥภत‫߲ܠڟ‬ገ࣑ഗईཚ‫ڢ‬Ljሯำ‫ݴ‬ဆॽᆶ໯ փཞă૩සLj‫ג‬ำဣཥ֑ᆩႹ‫ܠ‬ADCཚ‫ڢ‬Ljኄၵཚ‫ڢ‬ᅜຕ ጴ‫ݛ‬๕൱ࢅઠ༵ߛ‫ۯ‬ༀ‫ྷݔ‬ăएԨܸჾLjཚ‫ڢ‬ຕଉ௅ሺे ᅃԠLjገ࣑ഗ/ဣཥ‫ڦ‬ሯ‫ࣷ৽ڹ‬ই‫گ‬3 dBă‫ܔ‬ᇀฉ૩Ljසࡕ ๑ᆩଇ߲ገ࣑ഗLjገ࣑ഗ‫ڦ‬ሯ‫ॽڹ‬Վྺᅃӷ(−3 dB)Ǘසࡕ ๑ᆩ຺߲ገ࣑ഗLjሯ‫ॽڹ‬Վྺ−6 dBăኮ໯ᅜසُLj๟ᅺྺ ௅߲ገ࣑ഗ੗ᅜ‫ړ‬ፕփ၎࠲‫ڦ‬ሯำᇸઠ‫ځܔ‬ăփ၎࠲ሯำ ᇸԵُኮक़๟‫܀‬૬‫ڦ‬Ljᅺُ੗ᅜ৊ႜRSS(ೝ‫ڦࢅݛ‬ೝ‫)ߵݛ‬ ऺ໙ăፌዕLjໜጣཚ‫ڢ‬ຕଉሺेLjဣཥ‫ڦ‬ሯ‫ڹ‬ই‫گ‬Ljဣཥ ॽՎ‫ߌ௺߸ڥ‬Lj‫ۉܔ‬ᇸ‫ڦ‬ยऺሀຐཉॲᄺ߸ჹ߭ă ঳ஃ ᄲၙၩ‫أ‬ᆌᆩዐ‫ڦ‬໯ᆶ‫ۉ‬ᇸሯำ๟փ੗ీ‫ڦ‬ăඪࢆဣཥ‫ۼ‬ փ੗ీྜඇփ๴‫ۉ‬ᇸሯำ‫ڦ‬ᆖၚăᅺُLjፕྺADC‫ڦ‬ᆩ ࢽLjยऺටᇵՂႷሞ‫ۉ‬ᇸยऺࢅքਆք၍঩܎৽ፔࡻओट ᆌ‫ܔ‬ăူ௬๟ᅃၵᆶᆩ‫༵ڦ‬๖Lj੗ӻዺยऺටᇵፌ‫܈ײٷ‬ ‫ߛ༵ں‬PCB‫ۉܔ‬ᇸՎࣅ‫ੇڦ‬ඡ‫܈‬ǖ x ‫ٳڟܔ‬ဣཥӱ‫ڦ‬໯ᆶ‫ۉ‬ᇸࡆࢅጺ၍‫ۉ‬უඁ᳘ă x ऻዿǖ௅ሺेᅃपሺᅮ৽ࣷ௅10Ԡೕ‫ײ‬ሺे‫ٷ‬ሀ20 dBă x සࡕ‫ۉ‬ᇸᆅ၍ড‫׊‬ժྺ༬ۨICĂഗॲࢅ/ई൶ᇘࠃ‫ۉ‬Lj ሶᆌምْඁ᳘ă x ‫ߛܔ‬ೕࢅ‫گ‬ೕ‫ۼ‬ᄲඁ᳘ă x ඁ᳘‫ۉ‬ඹথ‫ں‬മ‫ۉڦ‬ᇸ෇੨‫׉׉ۅ‬๑ᆩ‫૴ز‬ཎᄟ༹‫ى‬ ዩă‫ܔ‬৊෇ဣཥӱ‫ڦ‬௅߲‫ۉ‬ᇸ‫ۉ‬უ‫ۼ‬ᄲኄᄣፔLj࿮ஃ໲ ๟ઠጲLDO࣏๟ઠጲਸ࠲ۙবഗă x ‫ܔ‬ᇀे෇‫ۉڦ‬ඹLjᆌ๑ᆩ৆௢۠ዃ‫ۉڦ‬ᇸࢅথ‫(֫ں‬क़ ਐ≤4௢ܻ)Ljܸٗ๑PCBยऺԨวਏԢߛೕඁ᳘ీ૰ă x ཞඪࢆଆࡻ‫ۉڦ‬ୟӱքਆᅃᄣLj‫ۉ‬ᇸᆌᇺ૗௺ߌ‫ڦ‬ఇె ‫ۉ‬ୟLjසADC‫ڦ‬മ‫܋‬पࢅ้ዓ‫ۉ‬ୟ‫ڪ‬ă x ଆࡻ‫ۉڦ‬ୟ‫ߪݴ‬዁࠲ዘᄲLj੗ᅜॽᅃၵᇮॲ‫ݣ‬ሞPCB‫ڦ‬ ԝ௬ᅜሺഽ߰૗ă x ጀᅪথ‫࣮ݓں‬ୟ০Lj༬՚๟ຕጴ֨LjඓԍຕጴຨՎփࣷ ‫ۉڟ࣮ݓ‬ୟӱ‫ڦ‬ఇెև‫ݴ‬ăగၵ൧઄ူLj‫ݴ‬૗থ‫֫ں‬ᄺ ੗ీᆶᆩă x ॽఇెࢅຕጴ֖੊ᇮॲԍ‫׼‬ሞ߳ጲ‫֫ڦ‬௬ฉăኄᅃ‫ࡀ׉‬ ፔ݆੗ሺഽ‫ܔ‬ሯำࢅ᳘ࢇ঍ࢻፕᆩ‫߰ڦ‬૗ă x ፏთIC዆ሰฆ‫ॺڦ‬ᅱǗසࡕᆌᆩԴऻईຕ਍๮֩ுᆶ኱থ ຫ௽Ljሶᆌჺ৯ೠࠚӱăኄၵ‫ۼ‬๟‫ڦࡻ׉ݥ‬ഐօ߾ਏă ኄೊरຍ࿔ቤኼሞൣ‫ؤ‬ຫ௽ߛ໏ገ࣑ഗ‫ۉڦ‬ᇸ௺ߌ࿚༶Lj ᅜत໲ྺࢆ‫ܔ‬ᆩࢽ‫ڦ‬ဣཥ‫ۯ‬ༀ‫ྷݔ‬සُዘᄲăྺ๑ဣཥӱ ฉ‫ڦ‬ADCํ၄ຕ਍๮֩໯ຎ‫ڦ‬Ⴀీࡀ߭Ljยऺටᇵᆌ‫ړ‬କ ঴໯Ⴔ‫ڦ‬քਆք၍रຍࢅᆘॲă Page 22 ፕኁ०঻ Rob Reeder๟ADIࠅິ(www.analog.com/cn)ߛ໏႑ࡽ‫ت‬૙և (ெࡔԛਸ਼ஆઠభዝ߭ଠຯձஆ)ጨศገ࣑ഗᆌᆩ߾‫ײ‬฾ă ໱ᇀ1998౎े෇ADIࠅິLj޶ሴᆶ࠲ߛ໏ADC(ఇຕገ࣑ ഗ)‫ڦ‬ਸ݀ࢅኧ‫߾׼‬ፕăRobᆛᆶԛᅉ૧౷ຯዝ‫ٷ‬ბ‫ۉڦ‬ ऐ߾‫ײ‬ბ๗ბ࿋ࢅຬ๗ბ࿋ă૴ဣ‫ݛ‬๕ǖ rob.reeder@analog.comă ֖੊࿔၅ Đසࢆ֪๬ADCዐ‫ۉڦ‬ᇸᅞ዆Բ(PSRR)đăEETimesă 2003౎7ሆă PatouxLjJeromeăĐ൩ጧკᆌᆩ߾‫ײ‬฾ĊĊ37‫گ‬უֶ࿘უഗđă ఇె‫ࣆܔ‬ă2007౎5ሆă Đߛ໏ఇຕገ࣑ഗᆌᆩዐ‫ڦ‬ਸ࠲࿘უഗยऺđăADIჺ༪ࣷă 2009౎6ሆă MS-2210 Đ ૧ ᆩ ਸ ࠲ ‫ ۉ‬ᇸ ྺ ߛ ໏ ఇ ຕ ገ ࣑ ഗ ࠃ ‫ ۉ‬đăEETimes Lj TechOnLineă2009౎5ሆă ArrantsLjAlexLjBrad BrannonࢅRob ReederăᆌᆩԴऻAN-835Lj Ėକ঴ߛ໏ADC֪๬ࢅೠࠚėăADIࠅິDŽ6ሆDžă MotchenbacherLjC.D.ࢅJ.A.Connellyă1993౎ăĖ‫گ‬ሯำ‫ۉ‬ጱ ဣཥยऺėăWileyă ‫ۉ‬ୟԴऻCN-0135LjĖ૧ᆩਸ࠲࿘უഗPMU ADP5020ྺӗཚ ‫גڢ‬ำADC/LNA/VGA/AAF AD9272ࠃ‫ۉ‬ᅜ༵ߛၳ୲ėă www.analog.com/cn/CN0135ă ‫ۉ‬ୟԴऻCN-0137LjĖ૧ᆩཞօইუDC-DC࿘უഗADP2114 ྺມཚ‫ڢ‬Ă16࿋Ă125 MSPSఇຕገ࣑ഗAD9268ࠃ‫ۉ‬Lj ᅜ༵ߛࠀၳԲėăwww.analog.com/cn/CN0137ă One Technology Way t P.O. 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TA10257sc-0-2/12 Page 23 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă ණ๎੻‫ټ‬GSPS ADCዐ‫ڦ‬࿮ሗො‫ۯ‬ ༀ‫ྷݔ‬ ፕኁǖIan Beavers | Electronic Design ሞྺߛႠీဣཥ჋ስ੻‫ټ‬ఇຕገ࣑ഗ(ADC)้LjႴᄲ੊୯ ‫ܠ‬ዖఇె๼෇֖ຕLjԲසLjADC‫ݴ‬Ր୲Ă֑ᄣ໏୲Ă႑ሯ Բ(SNR)Ăᆶၳ࿋ຕ(ENOB)Ă๼෇‫੻ټ‬Ă࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ (SFDR)ᅜतྲ‫ݴ‬ईओ‫ݥݴ‬၍Ⴀ‫ڪ܈‬ă ‫ܔ‬ᇀGSPS ADCLjፌዘᄲ‫ڦ‬ᅃ߲঍ୁႠీ֖ຕ੗ీ৽๟SFDRă ०‫ܸڇ‬ჾLj޿֖ຕࡀۨକADCᅜतဣཥٗഄ໱ሯำईኁඪ ࢆഄ໱ሗොೕ୲ዐ঴‫܁‬ሜհ႑ࡽ‫ీڦ‬૰ă ྺକํ၄GSPS ADCዐ໯๑ᆩ‫ڦ‬ገ࣑໏୲Lj੗ᅜ֑ᆩᅜߛ֑ ᄣ໏୲վइ႑ࡽ‫ܠڦ‬ዖॐࠓă඗ܸLj๑ᆩഄዐᅃၵॐࠓ้ Ⴔᄲᅜဎึඇ‫੻ټ‬SFDRႠీྺ‫پ‬ॏă ྺକණ๎ገ࣑ഗSFDR‫ܔ‬ဣཥ‫ڦ‬ᆖၚLj࿢்৽ยऺ߾‫ײ‬฾ኍ ‫ܔ‬SFDR֖ຕဦব༵‫ڦ؜‬ᅃၵ‫׉‬९࿚༶৊ႜକ࣮‫ٴ‬Ljཞ้‫ܔ‬ ޿֖ຕሞገ࣑ഗຕ਍๮֩ዐ‫ڦ‬௮ຎ‫ݛ‬๕Ă‫ܔ‬ADCႠీഐጣ ၌዆ईٝ৊ፕᆩ‫߳ڦ‬ዖॐࠓᅜत‫ܔ‬SFDRႠీႚ‫ׯ‬၌዆‫ڦ‬ဣ ཥยऺᅺ໎৊ႜକຫ௽ă ࿢ጀᅪᅃᅜLjຕ਍๮֩ዐ࠲ᇀSFDR‫ڦ‬ຫ௽Ljᆶၵଚ ‫؜‬କጀᅪ๚ၜLjᆶၵுᆶଚ‫؜‬ă‫๊ڹڟ‬஺๟SFDRǛ ీࠕ൶‫ݴ‬႑ࡽࢅሯำ๟Ⴙ‫ܠ‬႑ࡽ֑णဣཥ‫ڦ‬ᅃ߲࠲॰‫ݛ‬ ௬ă࿮ஃ௽ඓ‫ۉڦ‬႑ၹᅱĂૃ‫ٳ‬෢௮Lj࣏๟֪ଉᅏഗLjෑ ႑ࡽ‫֑ڦ‬णࢅ঴ஓ๟൶‫ݴ‬ඪࢆဣཥႠీ‫ࢃڦ‬႐໯ሞă SFDR՗๖੗ٗ‫߅ٷ‬ඡ႑ࡽ‫ݴ‬Ր‫ڦ؜‬ፌၭࠀ୲႑ࡽă໲ۨᅭ ‫ڦ‬๟ሜհࠀ୲‫ڦ‬਩‫(ߵݛ‬rms)ኵᇑೕᇘ(ස੺໏‫ޱ‬૛ᄾՎ࣑ रຍ࿔ቤ MS-2660 (FFT))ዐ‫ူڦ‬ᅃ߲ፌ‫ٷ‬ᆶၳሗො႑ࡽ‫ڦ‬਩‫ߵݛ‬ኵኮक़‫ۯڦ‬ ༀԲኵăᅺُLjߵ਍ۨᅭLj޿‫ۯ‬ༀ‫ྷݔ‬փ‫ڥ‬٪ሞഄ໱ሗො ೕ୲ă SFDRཚ‫֑׉‬ᆩࠀ୲‫ڇ‬࿋(dBc)LjଉࣅྺణՔሜհ၎‫ܔ‬ᇀူᅃ ߲ፌ‫ٷ‬ᆶၳೕ୲‫ྷݔڦ୲ࠀڦ‬ă඗ܸLj޿֖ຕᄺ੗ᅜ஢ଉ ‫ײ‬႑ࡽྺएጚLjᅜࠀ୲‫ڇ‬࿋(dBFS)ྺऺଉ‫ڇ‬࿋ăኄ๟ᅃ߲ ዘᄲ‫ڦ‬൶՚LjᅺྺణՔሜհ੗ీ๟ࠀ୲၎‫ܔ‬ড‫ڦگ‬႑ࡽLj ܸ൐ᇺᇺ‫گ‬ᇀ዁ADC‫ڦ‬஢ଉ‫ײ‬๼෇ă‫ړ‬൧઄ඓํසُ้Lj SFDRሞ൶‫ݴ‬႑ࡽᇑഄ໱ሯำࢅሗොೕ୲้Վ‫ڥ‬዁࠲ዘᄲă ๟๊஺‫ܔ‬ADC‫ڦ‬SFDRࠓ‫ׯ‬၌዆Ǜ ၿհೕ୲๟एհೕ୲‫ڦ‬ኝຕԠຕă‫ܔ‬ᇀยऺଆࡻ‫ڇڦ‬ႊೌ ADCాࢃLjSFDRᅃӯዷᄲᆯሜհೕ୲ᇑణՔएհೕ୲‫ڼڦ‬ ܾई‫ڼ‬ෙၿհኮक़‫ۯڦ‬ༀ‫ׯࠓྷݔ‬ăᅃၵ቏‫ټ‬ADCຕ਍๮ ֩ኻࣷۨᅭড቏‫߾ڦ‬ፕೕ‫ڦాټ‬SFDRLjኄዖ൧઄ူLj‫ܾڼ‬ ࢅ‫ڼ‬ෙၿհᅃӯ‫ۼ‬࿋ᇀ‫ྔټ‬ăഄ໱ຕ਍๮֩੗ీ௮ຎড੻‫ټ‬ ੻ా‫ڦ‬SFDRLjཞ้৽ํ၄޿Ⴀీᄲ஢ፁ‫ڦ‬ཉॲፔ‫؜‬ຫ௽ă ৑࠶‫ܾڼ‬ई‫ڼ‬ෙၿհᅃӯ੗ీ๟ዷ‫ڞ‬ሗොೕ୲Lj‫ڍ‬ᆯᇀ٪ ሞഄ໱ဣཥᇱᅺLjᆶၵሗොᄺ੗ీࣷ၌዆GSPS ADC‫ڦ‬SFDR Ⴀీă૩සLj‫߲ܠ‬঍‫ٱ‬ADCాࢃ੗ీࣷӝ঍‫ٱ‬࿁ၟ‫෇ټ‬ೕ ᇘLjׂܸٗิሗොೕ୲ăኄၵሞଉपฉᆶ੗ీԲएհೕ୲ ‫ܾڼڦ‬ई‫ڼ‬ෙၿհ‫ٷ‬ăᅺُLj໲்ࣷ‫ྺׯ‬SFDR‫ڦ‬ዷ‫ڞ‬၌዆ ᅺ໎ă৑࠶ኄ੗ీփ‫ࢇޙ‬኱ਥLj‫ڍ‬ሞ঍‫ٱ‬ADCຕ਍๮֩ ዐLjSFDR֖ຕኵ੗ీࣷӵໜᅃཉয়ߢၩတLj‫ऺ׬‬໙้࿄భ ෇঍‫ٱ‬ሗො(཮1)ă Page 24 MS-2660 ཮1.ኄ๟ᅃ੼‫ڇ‬ႊೌ12࿋ADC‫ڦ‬FFTLjഄዐLj‫ڼ‬ෙၿհྺ SFDR‫ڦ‬ዷᄲࠋ၅ᅺ໎ăሞኄዖ൧઄ူLjٗएհ(–1 dBFS) ‫ڼڟ‬ෙၿհ(–82 dBFS)‫ۯڦ‬ༀ‫–ྺྷݔ‬81 dBcLj ᅺྺ‫ۯ‬ༀ‫ྷݔ‬๟၎‫ܔ‬ᇀሜհࠀ୲‫ڦ‬ă ቏‫ټ‬SFDRᄲᅜྔླྀ዁੻‫ټ‬SFDR஘Ǜ සࡕဣཥኻႴᄲড቏‫ڦ‬ೕ‫ټ‬Ljሶ੗๑ᆩ‫ټ‬ཚੇं۠๼෇୳ հഗઠᅞ዆ణՔೕ‫ټ‬ᅜྔ‫ڦ‬ၿհई࿁ၟăኻᄲ࿮Ⴔ࠵ִ୳ հೕ‫ڦాྷݔټ‬႑ࡽLjኄ‫ܔ‬గၵᆌᆩઠຫ੗ీ‫׉ݥ‬ᆶၳă ‫ܔڍ‬ᇀ‫੻ټ‬႑ࡽ֑णဣཥઠຫLjኄඐ๟փ੗ႜ‫ڦ‬ăሞᆶၵ ຕ਍๮֩ዐLjADC‫ڦ‬SFDR֖ຕኵᄺ੗ీኍ‫ڦܔ‬๟࢔቏‫ڦ‬ ᅃև‫੻ټݴ‬LjᄲԲADC‫ڦ‬஢ଉ‫ײ‬๼෇‫੻ټ‬ၭ‫ܠڥ‬ă ᅃӯ‫ں‬Lj࿢்փీ्ۨLj੗‫ܔ‬ኍ‫ܔ‬቏ೕ‫ڦټ‬SFDR৊ႜྔ ླྀLjᅜሞড੻ई஢ଉ‫ײ‬లઊຯ༬ೕ‫(ټ‬नFs/2)ዐइ‫ڥ‬၎ཞ ‫ڦ‬ႠీăഄዷᄲᇱᅺሞᇀLjኍ‫ܔ‬एհ቏‫ڦټ‬ೕ୲ࡀࣄ‫ڦ‬ణ ‫৽ڦ‬๟ࡗ୳ۖডߛၿհժॽഄླྀ዁ణՔೕ‫ټ‬ᅜྔăසࡕᅎ ‫୳أ‬հഗLjሶኄၵၿհࢅഄ໱ሗොॽ‫ྺׯ‬ဣཥዐ੻‫ټ‬SFDR ‫ڦ‬ᅃև‫཮(ݴ‬2ࢅ཮3)ă ཮3.ሏᆩ၎ཞ‫ڦ‬ཉॲLjཞ्้ۨᅎ‫أ‬ADC୳հLj ঳ࡕLj੻‫ټ‬ၿհईሗොࣷ‫ܔ‬SFDRႚ‫ׯ‬၌዆ă ኄዖ൧઄՗௽Ljॽᆫଆ‫ڦ‬቏‫ټ‬SFDRྔླྀ዁ ੻‫ټ‬SFDR๟փ੗ႜ‫ڦ‬ă ֶ‫ݴ‬๼෇ADC‫ڦ‬SFDR੗ీ๴‫ڟ‬ഄ໱മ‫܋‬ဣཥᇮॲ ‫ڦ‬ᆖၚ஘Ǜ ‫ܠ‬ຕߛ໏ADC֑ᆩᅃዖֶ‫ݴ‬๼෇঳ࠓLjਏᆶଆࡻ‫ࠌڦ‬ఇሯ ำᅞ዆ీ૰ă඗ܸLjኄႴᄲႹ‫֑ܠ‬णဣཥሞADC๼෇മ‫܋‬ ॽ‫܋ڇ‬႑ࡽገ࣑‫ݴֶׯ‬႑ࡽă‫ܔ‬ᇀٗ‫ݴֶڟ܋ڇ‬႑ࡽ‫ڦ‬ኄ ᅃገ࣑ࡗ‫ײ‬Ljዷᄲ჋ስ๟࿮ᇸә୿ईՎუഗतᆶᇸ‫ٷݣ‬ ഗă໚඗ဣཥ‫ڦ‬ኄᅃև‫ݴ‬ᆶႹ‫ߛܠ‬Ⴀీᇮॲ੗ࠃ჋ስLj‫ڍ‬ ๟Ljन๑ፌࡻ‫ڦ‬঴ਦ‫ݛ‬ӄᄺࣷ٪ሞᅃၵডၭ‫ݴֶڦ‬փೝ ࢚Lj঳ࡕࣷ๑ణՔ႑ࡽ฿ኈLjժ३ၭཚࡗADC‫ڦ‬SFDRă ADCമ‫ݴֶڦ܋‬๼෇႑ࡽ߳‫܋‬ኮक़‫ڦ‬၎࿋฿ದࣷ‫ڞ‬ዂएհ ႑ࡽၿհࠀ୲ሺेă‫ݴֶړ‬႑ࡽ‫ڦ‬ᅃ‫܋‬ሞ้क़ฉံᇀଷᅃ ‫܋‬൐༵മଉ‫ڟٳ‬၎‫ܔ‬ᇀഄዜ೺‫ڦ‬ᅃۨ၎࿋ଉ้Lj৽੗ీ݀ ิኄዖ൧઄ăഄၳᆌස཮4໯๖Ljُ้Ljֶ‫ڦܔݴ‬ᅃ‫܋‬Բ ଷᅃ‫༵܋‬മডၭ‫ڦ‬ዜ೺၎࿋ଉă ཮2.ํाฉLj቏‫ټ‬ᆌᆩ੗ీ๑ᆩ੻‫ټ‬SFDRডֶ‫ڦ‬ADC。 ૧ᆩੇं۠୳հഗઠᅞ዆ࢤ෥ᅽᆖ൶ᇘ‫ڦ‬ೕ୲Lj ৽੗ᅜॽࣷ‫ڞ‬ዂSFDRႠీူই‫ڦ‬ඪࢆၿհई ሗොࡗ୳‫ྔټڟ‬ă ཮4.ኄዖ൧઄ူLjә୿๼‫؜‬ᇑADCֶ‫ݴ‬๼෇ኮक़٪ሞ ब‫ڦ܈‬၎࿋฿ದă සࡕֶ‫ݴ‬๼෇ሞ၎࿋ฉྜඇ೅ದLj ኄ੗ీ‫ڞ‬ዂFFTዐ‫ܾڼڦ‬ၿհԲഄ໱൧઄ူߛLj ܸٗ‫ܔ‬SFDRሰ‫ׯ‬ᆖၚă Page 25 MS-2660 ֶ‫ݴ‬႑ࡽ֑णဣཥമ‫ڦ܋‬ଷᅃփೝ࢚੗ీ๟‫܈ޗ‬฿ದă‫ړ‬ ֶ‫ݴ‬႑ࡽᅃ‫ڦ܋‬ሺᅮփཞᇀഄցஓ้LjADC๼෇৽ࣷӝᅃ ‫܋‬๫ྺড‫ٷ‬႑ࡽLjଷᅃ‫܋‬๫ྺডၭ႑ࡽăሞഄ໱൧઄ူLj ኄࣷ३ၭएհ႑ࡽ‫ڦ‬ඇࠀ୲Ljই‫گ‬SFDR‫ڦ‬dBcኵăֶ‫ݴ‬๼෇ ‫܋‬සࡕ٪ሞ2-dB‫܈ޗڦ‬฿ದLj঳ࡕࣷ‫ڞ‬ዂ஢ଉ‫ײ‬๼෇႑ࡽ ࠀ୲ူই1-dBăኄၵമ‫܋‬႑ࡽྜኝႠ‫ݛ‬௬‫ڦ‬௅߲࿚༶‫ۼ‬੗ ీ๑ADC‫ڦ‬SFDRႠీᅜतኝ߲ဣཥ‫ڦ‬႑ࡽ঴ஓీ૰ူইă ੗ీ၌዆SFDR‫ڦ‬ADCॐࠓᆶనၵǛ ֑ᄣ໏୲‫ڟٳ‬൐‫ࡗג‬1 GSPS‫ڦ‬बዖADC֑ᆩᅃዖ঍‫ݛٱ‬ӄLj ૧ᆩᅃ‫ܔ‬ईब߲‫ݴ‬૬ཚ‫ڢ‬ईాࢃઠํ၄ྜඇߛ໏ຕ਍໏ ୲ă૩සLj੗ᅜएᇀ঍‫ݛٱ‬ӄLjᆩᅃ߲ມཚ‫ڢ‬ADCઠํ၄ ྜඇ֑ᄣ໏୲LjഄዐLj௅߲ాࢃ୾ୁ๑ᆩ֑ᄣࡗ‫ײ‬ă‫ړ‬ᅃ ߲ཚ‫ڢ‬ሞ֑ᄣ้Ljଷᅃཚ‫تॽڢ‬૙മ௬‫֑ڦ‬ᄣă঍‫ٱ‬ॐࠓ ᄺ੗๑ᆩ3߲ई߸‫ܠ‬ADCాࢃă ֑ᆩ঍‫้݆ݛٱ‬Lj‫߲ܠ‬ADCాࢃ੗ᅜժႜ߾ፕLjܸٗํ၄ ߛᇀ‫֑ڦࢃڇ‬ᄣ໏୲ă඗ܸLj௅߲ኄၵాࢃ‫ڦ‬๼෇‫܋‬ኮक़ ‫ۼ‬٪ሞ၎࿋Ă฿ۙĂሺᅮࢅ‫ྲ੻ټ‬ၭֶᅴă঳ࡕLjႎ‫ڦ‬঍ ‫ٱ‬࿁ၟࢅ཮ၟሗො੗ీ৊෇ೕ೷ዐLjܸٗ‫ڞ‬ዂADC੻‫ټ‬ SFDRူইăኄࣷ३ၭဣཥ‫ۯڦ‬ༀ‫ྷݔ‬Ljই‫گ‬ഄ‫ݴ‬ՐෑణՔ ႑ࡽᇑ঍‫ٱ‬ሗො‫ీڦ‬૰ăྺକ࣐঴঍‫ٱ‬ADCੂ‫ڦڟ‬࿁ၟLj ဣཥยऺ฾੗ీႴᄲጮဦለ‫܁‬ᆌᆩԴऻLjକ঴༬๺ၯጚఇ ๕ࢅ‫݆ݛ‬LjᅜՍ‫ܔ‬ሗොፔ‫؜‬ဦዂ‫ڦ‬Ҿಇă ኻᆶᅃ߲‫ت‬૙ాࢃ‫ڇڦ‬ႊೌADCॐࠓփࣷ‫؜‬၄঍‫ٱ‬ሗොă ૩සLjፕྺᅃዖ੻‫ټ‬ገ࣑ഗLj‫ୁࢃڇ‬຤၍ADC‫ࣷۼ‬Քӽ၎ ‫ܔ‬ডߛ‫ڦ‬SFDRLjᅃӯ๴‫ܾڼ‬ई‫ڼ‬ෙၿհ‫ڦ‬၌዆ă ঍‫ٱ‬ADC‫ڦ‬Ⴀీሞೕᇘዐᆶጣሹᄣ‫ڦ‬՗၄Ǜ ‫ܔ‬ᇀᆯෙ߲‫ݴ‬૬঍‫֑ڦׯࠓࢃాٱ‬ᄣॐࠓLjᆶଇ߲ሺᅮࢅ ၎࿋཮ၟሗොतᅃ߲฿ۙሗො(཮5)ă੗ሞ2/3 × లઊຯ༬ೕ ୲้ੂ‫ڟ‬฿ۙሗොLj‫ڍ‬ሞኄዖ൧઄ူLj฿ۙሗොժ‫ݥ‬SFDR ‫ڦ‬ዷᄲࠋ၅ᅺ໎ăSFDR၌዆ሺᅮࢅ၎࿋ሗො੗ሞ(2/3 × లઊ ຯ༬ೕ୲±ఇె๼෇ೕ୲)้ੂ‫ڟ‬ă ཮5.ሞ޿FFTዐLjሞᅃ߲঍‫ٱ‬ဣཥӱฉ֑ᆩକෙ߲‫ݴ‬૬๕ADC。 ൩ጀᅪLj࠲૴঍‫ٱ‬ሗො࿁ၟࣷߴSFDR‫ټ‬ઠ–8 dBc‫ڦ‬၌዆Lj ܸ‫ܾڼ‬ၿհྺ–85 dBFSă ‫܈ޗ‬ฉፌ‫ڦٷ‬ሗො๟ဣཥSFDR‫ڦ‬ፌ‫ࠋٷ‬၅ᅺ໎ăසࡕுᆶ ঍‫ٱ‬ሗොLjSFDRॽ๟ٗएհೕ୲‫ܾڼڟ‬ၿհ‫ۯڦ‬ༀ‫ྷݔ‬ă ሞኄዖਏ༹൧઄ူLj঍‫཮ٱ‬ၟሗොࣷ‫ڞ‬ዂSFDRႠీူই –8-dBă ‫ܔ‬ᇀᆯ຺߲‫ݴ‬૬঍‫֑ڦׯࠓࢃాٱ‬ᄣॐࠓLjᆶෙ߲ሺᅮࢅ ၎࿋཮ၟሗොतଇ߲฿ۙሗො(཮6)ăሞలઊຯ༬ೕ୲ᅜत ½ × లઊຯ༬ೕ୲ူ٪ሞ฿ۙሗොLjሞ(లઊຯ༬ೕ୲–ఇె ๼෇ೕ୲)ူଷᆶᅃ߲཮ၟሗොLj‫ڍ‬ሞኄዖ൧઄ူLjኄၵ‫ۼ‬ փ๟SFDR‫ڦ‬ዷᄲࠋ၅ᅺ໎ăዷᄲሺᅮࢅ၎࿋ሗො੗ሞ(1/2 × లઊຯ༬ೕ୲±ఇె๼෇ೕ୲)้ੂ‫ڟ‬ă ཮6.ሞ޿FFTዐLjሞᅃ߲঍‫ٱ‬ဣཥӱฉ֑ᆩକ4߲ ‫ݴ‬૬๕ADCă൩ጀᅪLj࠲૴཮ၟሗො࿁ၟࣷሞ ½ × లઊຯ༬ೕ୲ ± Ain้ᆖၚSFDRLjߴSFDR ‫ټ‬ઠ–13 dBc‫ڦ‬၌዆Ljܸ‫ڼ‬ෙၿհྺ–84 dBFSă සࡕኄၵሗො‫ٷ܈ޗڦ‬ᇀ‫ܾڼ‬ई‫ڼ‬ෙၿհLjሶࣷ‫ྺׯ‬ဣཥ ዐSFDR‫ڦ‬ዷᄲࠋ၅ᅺ໎ăසࡕுᆶ঍‫ٱ‬ሗොLjSFDRॽ๟ ٗएհೕ୲‫ڼڟ‬ෙၿհ‫ۯڦ‬ༀ‫ྷݔ‬ăሞኄዖਏ༹൧઄ူLj ঍‫཮ٱ‬ၟሗොࣷ‫ڞ‬ዂSFDRႠీူই–13-dBă Page 26 MS-2660 SFDR‫ڦ‬ഄ໱၌዆ᅺ໎ ሰ‫ׯ‬SFDRႠీူই‫ڦ‬ଷᅃയሞଶᇘ๟ဣཥยऺLjनሞยऺ ሎႹྔևሯำ᳘ࢇ‫ڟ‬ADC‫ڦ‬ఇె๼෇‫܋‬ई้ዓ๼෇‫้܋‬ă ଷྔLjසࡕဣཥӱքਆࡀࣄփ‫ړ‬LjADC‫ڦ‬ຕጴ๼‫܋؜‬ᆶ੗ ీ᳘ࢇ࣮๼෇‫܋‬ăྔևሯำᄺ੗ీ᳘ࢇ‫ڟ‬ADC‫ڦ‬एጚ‫ۉ‬უ ᇸĂ‫ۉ‬ᇸईথ‫ں‬ᇘฉăසࡕሯำፁࠕ‫ٷ‬൐ਏᆶӷዜ೺ႠLj ሶࣷሞဣཥ‫ڦ‬ೕᇘዐ՗၄ྺ࿮ᆩ‫ڦ‬SFDR၌዆ሗොLjᇑएհ ೕ୲ईADCॐࠓ਩࿮࠲ဣă GSPS ADC‫ڦ‬࿄ઠ݀ቛ൵๞ ਏᆶߛ੻‫ټ‬SFDR‫ڦ‬GSPS ADCణമᅙঢ়ฉ๨Ljኄૌഗॲփ ٪ሞࡗඁሼ‫ܔ‬ဣཥႠీႚ‫ׯ‬၌዆‫ڦ‬঍‫ٱ‬࿁ၟăAD9860๟ᅃ ੼ມཚ‫ڢ‬Ă14࿋Ă1-GSPS ADCLj੗ሞ1-GHz๼෇ူํ၄78 dBc ‫ڦ‬SFDRăAD9625๟ᅃ੼12࿋Ă2-GSPS ADCLj੗ሞ1-GHz๼ ෇ူํ၄80 dBc‫ۆڦ‬႙੻‫ټ‬SFDRă SFDR๟GSPSࢅADC‫ڦ‬ᅃ߲ዘᄲܸ࠲॰‫ڦ‬ႠీኸՔă੻‫ټ‬ SFDRᅃӯ๴एհ႑ࡽ‫ܾڼ‬ई‫ڼ‬ෙၿհ‫ڦ‬၌዆ă‫ڇ‬ཚ‫ڇڢ‬ႊ ೌୁ຤၍ADCतഄ໱ߛपॐࠓྺߛႠీGSPSገ࣑ഗਸ‫ظ‬କ ᅃ߲ႎ‫ڦ‬മᄂăሞೕᇘዐLj໲்փ٪ሞADCॐࠓࡗඁሞ GSPS੣क़໯՗၄‫ڦ‬঍‫ٱ‬ሗොă ‫ܔ‬ᇀᄲ൱੻‫ټ‬ၚᆌ‫ڦ‬ᆌᆩLjֱੂĂࡀࣄࢅᅎ‫أ‬ኄၵ࿁ၟ੗ ీ௬ଣዮ‫ܠ‬࿚༶ăႎ႙঴ਦ‫ݛ‬ӄ੗ᅜ঴ਦኄၵဣཥ࿚༶Lj ཞ้࣏ీሞኝ߲੻‫ټ‬ೕ೷ా༵ࠃፌံ৊‫ڦ‬SFDRႠీă ፕኁ०঻ Ian Beavers๟ADIࠅິ(ெࡔԛਸ਼ஆઠభዝ߭ଠຯձஆ)ߛ໏ ఇຕገ࣑ഗཷ‫ڦܓ‬ᆌᆩ߾‫ײ‬฾ă໱ᇀ1999౎े෇ADIࠅ ິLjᆛᆶ‫ࡗג‬18౎‫ڦ‬ӷ‫༹ڞ‬ႜᄽٗᄽঢ়ᄓă໱ᇀெࡔԛਸ਼ ஆઠభዝ૬‫ٷ‬ბइ‫ۉڥ‬ഘ߾‫ײ‬ბ๗ბ࿋ࢅ߭ଠຯձஆ‫ݴ‬ၯ MBAბ࿋ă໱๟ዐ࿔रຍஃ༇ߛ໏ADCኧ‫׼‬ม൶‫ࣷڦ‬ᇵă සᆶඪࢆ࿚༶Lj൩݀ໃ‫ڟ‬ADIࠅິዐ࿔रຍஃ༇ሞ၍रຍ ኧ‫׼‬ม൶‫ڦ‬IanBă ֖੊࿔၅ 1. Walt KesterLjĐକ঴SINADĂENOBĂSNRĂTHDĂTHD + N ࢅ SFDR Lj փ ሞ ሯ ‫ ڹ‬ዐ ௚ ฿ đLj MT-003 ঞ ‫ ײ‬Lj http://www.analog.com/media/cn/training-seminars/tutorials/ MT-003_cn.pdfă 2. Mark LooneyLjĐߛपຕጴࢫ‫ت‬૙रຍሺഽ้क़঍‫ٱ‬ADC ဣཥ‫ڦ‬ႠీđLjĖఇె‫ࣆܔ‬ė‫ڼ‬37ਝ‫ڼ‬8೺Lj2003౎8ሆ 3. Walt Kester Lj ఇ ຕ ገ ࣑ Lj ADI ࠅ ິ Lj 2004 ౎ Lj ISBN 0-916550-27-3 Lj ‫ ڼ‬6 ቤ Ǘ ଷ ९ ຕ ਍ ገ ࣑ ๮ ֩ Lj Elsevier/NewnesLj2005౎LjISBN 0-7506-7841-0Lj‫ڼ‬2ቤ 4. W.C. Black Jr.ࢅD.A.HodgesLjĐ้क़঍‫ٱ‬ገ࣑ഗንଚđLj IEEEࡔाࠦༀ‫ۉ‬ୟࣷᅱLj1980౎2ሆLj‫ڼ‬14ᄻ዁15ᄻă 5. W.C. Black Jr.ࢅD.A.HodgesLjĐ้क़঍‫ٱ‬ገ࣑ഗንଚđLj IEEEࡔाࠦༀ‫ۉ‬ୟࣷᅱLj1980౎12ሆLj‫ڼ‬15ਝLj‫ڼ‬1022 ᄻ዁1029ᄻă 6. Jonathan HarrisLjĐ঍‫ٱ‬ADC෇ோđLjEDN NetworkLj 2013౎2ሆ17නLjwww.edn.com/design/analog/4407107/3/ _e-ABCs-ofinterleaved-ADCsă One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA12621sc-0-8/14 Page 27 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2714 କ঴JESD204Bࡀ‫——֫߳ڦݔ‬ ٗߛ໏ADC‫ڦ‬ঙ‫ڼ(݀؜܈‬ᅃև‫)ݴ‬ ፕኁǖJonathan HarrisLjADIࠅິᆌᆩ߾‫ײ‬฾ ०঻ ໜጣߛ໏ADCੵ෇GSPS‫ྷݔ‬LjᇑFPGA(ۨ዆ASIC)৊ႜຕ ਍‫د‬๼‫ڦ‬๯჋থ੨ၹᅱ๟JESD204Băྺକվጛೕ୲‫߸ྷݔ‬ ߛ‫ڦ‬RFೕ೷LjႴᄲ੻‫ټ‬RF ADCăሞഄླྀ‫ူۯ‬Lj‫ܔ‬ᇀీࠕ վጛ߸੻‫੻ټ‬ժኧ‫׼‬ದዃ߸ଳऄ‫ڦ‬SDR(෉ॲۨᅭ࿮၍‫)ۉ‬ ೝ໼‫ڦ‬GSPS ADCLjߛ໏‫ز‬ႜথ੨(ሞُ൧઄ူनJESD204B) ๟Ղփ੗ณ‫ڦ‬ăJESD204BՔጚ๟ᅃዖ‫ݔࡀ֫ݴ‬Ljକ঴ኄᅃ ‫࢔ۅ‬ዘᄲăࡀ‫ݔ‬ዐ‫ۼ֫߳ڦ‬ᆶጲम‫ీࠀڦ‬ᄲྜ‫ׯ‬ăᆌᆩ֫ ኧ‫׼‬JESD204B૾ୟ‫ڦ‬ದዃࢅຕ਍ᆙพă‫د‬๼֫ํ၄ገ࣑ᄣ Ԩᇑ‫ׯ‬ኡ࿄ेඡӗ࿋ጴኮक़‫ڦ‬ᆙพăेඡ֫੗ᅜ჋ስႠ‫ں‬ इൽӗ࿋ጴժ৊ႜेඡई঴ඡLjᅜՍཚࡗჽቛೕ೷ॖ‫ރ‬ઠ ই‫گ‬EMIၳᆌăेඡሞ݀ໃഗዐྜ‫ׯ‬Lj঴ඡሞথ๭ഗዐྜ ‫ׯ‬ăሞຕ਍૾ୟ֫ዐLj੗჋ेඡ‫ڦ‬ӗ࿋ጴՊஓ‫ׯ‬10࿋ጴ ‫ޙ‬ă޿֫ᄺ๟ׂิईॠ֪੦዆ጴ‫ݛںڦޙ‬Ljణ‫ڦ‬๟॔๫ࢅ ྼࢺཚ‫ܔڢ‬ഋă࿿૙֫न‫ز‬ႜഗ/঴‫ز‬ഗ(SERDES)֫Lj޶ ሴᅜ၍ୟ໏୲݀ໃईথ๭ጴ‫ޙ‬ă޿֫Ԉઔ‫ز‬ႜഗĂൻ‫ۯ‬ ഗĂথ๭ഗĂ้ዓࢅຕ਍࣬ް‫ۉ‬ୟă཮1၂๖କኄၵ֫ሞ JESD204Bዐ‫ڦ‬Ҿಇăྺକ߸ࡻ‫ں‬૙঴޿ࡀ‫ݔ‬Ljၘဦ‫׃‬๥߳ ֫‫ܔ‬କ঴ADCᄣԨසࢆᆙพ‫ڟ‬8B/10B‫ز‬ႜጴ๟ᆶࡻ‫ڦت‬ă SYSREF (optional) SYNC~ Device Clock Application Transport Layer Layer Tx Application Layer Data Framing Data Link Layer Transmitter Block Scrambler (Optional) Frame/Lane Alignment Character Generation 8b/10b Encoder Physical Layer Serializer Tx Driver Rx Application Layer Data Deframing Receiver Block Descrambler (Optional) Frame/Lane Alignment Character Buffer/ Replace/ Monitor 8b/10b Decoder Deserializer Rx Receiver High Speed Serial Lanes ཮1. ཚࡗJESD204B߳֫‫ڦ‬०ࣅຕ਍ୁ ᆌᆩ֫ ཚࡗᆌᆩ֫੗ᅜํ၄༬๺ᆩࢽದዃLjᅜतॽ֑ᄣຕ਍ᆙพ ‫ۆڟ‬႙JESD204Bࡀ‫ݔ‬ኮྔăኄᄣՍీ߸ᆶၳ‫ں‬๑ᆩ޿থ੨ ઠই‫ࡼࠀگ‬ժइ‫ڥ‬ഄ໲ࡻ‫ت‬ăՂႷጀᅪǖ݀ໃഗ(ADC)ࢅ থ๭ഗ(FPGA)਩Ⴗ֑ᆩُૌ༬๺ದዃăথ๭ഗࢅ݀ໃഗՂ Ⴗᅜ၎ཞ‫ݛ‬๕৊ႜದዃLjᅜՍኟඓ‫د‬๼ࢅ঴‫܁‬ຕ਍ă‫ܔ‬ᇀ ႴᄲᅜփཞᇀN'(௅߲ᄣԨ‫د‬๼‫ڦ‬࿋ຕ)‫ڦ‬ᄣԨ‫ٷ‬ၭ‫د‬๼ຕ ਍‫ڦ‬ADCLjᅜ‫܀‬༬‫ݛ‬๕ದዃᆌᆩ֫੗ీᆶ૧ă੗ᅜॽ‫߲ܠ‬ ᄣԨዘႎԈጎLjܸٗই‫گ‬ཚ‫ڢ‬໏୲Lj༵ߛ૾ୟኝ༹ၳ୲ă ‫د‬๼֫ ඟ࿢்ጮဦੂੂJESD204Bࡀ‫دڦݔ‬๼֫ă‫د‬๼֫থ๴ADC ᄣԨժཁे႑တ(ག؊)ᅜׂิӷጴবፇ(ཚ‫׉‬ሞ4࿋Չহ ฉ)ăُ႑တᅜ঳ຐ࿋ई੦዆࿋‫ڦ‬ႚ๕༵ࠃLj๟ᆶ࠲໯‫د‬๼ ຕ਍‫े޹ڦ‬႑တă‫د‬๼֫ॽኄၵӷጴবፇҾಇྺኡăՂႷ ጀᅪǖ‫د‬๼֫ᅜժႜຕ਍ॽኄၵᄣԨ༵ࠃߴຕ਍૾ୟăժ ႜຕ਍ጺ၍‫܈੻ڦ‬ᆯ‫ׯ‬ኡഗ঳ࠓਦۨLj‫ڇ‬ጴবྺ8࿋Ljມ ጴবྺ16࿋Ljᅜُૌླྀăُ้‫ڦ‬ຕ਍ୁช࿄‫زڟٳ‬ႜഗă Page 28 MS-2714 ᅃ߲ADC੗ᅜᆙพ‫ڟ‬ᅃ߲‫ڇ‬ཚ‫૾ڢ‬ୟLjईኁᆙพ‫ڟ‬ᅃ߲‫ܠ‬ ཚ‫૾ڢ‬ୟăኄዖದዃీ૰‫ܔ‬ᇀ੻‫ټ‬RFᆌᆩዐ๑ᆩ‫ڦ‬GSPS ADC༬՚‫ݛ‬ՍLjሞُૌᆌᆩዐLj֑ᄣ໏୲ਦۨ๟‫ޏ‬๑ᆩ‫ܠ‬ ߲ཚ‫ڢ‬LjᅜՍ‫ܔࢇޙ‬ཚ‫ڢ‬໏୲‫ڦ‬၌዆ăැཞᅃഗॲዐᆶM ߲ADCLjᄺ੗ᅜॽ‫߲ܠ‬ገ࣑ഗᆙพ‫߲ܠڟ‬ཚ‫ڢ‬ăኄၵADC ੗ᅜᆙพ‫ڟ‬ᅃ߲‫ڇ‬ཚ‫૾ڢ‬ୟLjईኁᆙพ‫ڟ‬ᅃ߲ԈઔL߲ཚ ‫ܠڦڢ‬ཚ‫૾ڢ‬ୟăగၵ൧઄ူLjᅃ߲ADC੗ీႴᄲ‫߲ܠ‬ཚ ‫ڢ‬ăኄᄲᆯߴۨADC‫ڦ‬ፌ‫ٷ‬ཚ‫ڢ‬໏୲ઠਦۨă૩සLj12 ࿋Ă2.5 GSPS AD9625‫ڦ‬ፌ‫ٷ‬ཚ‫ڢ‬໏୲ྺ6.5 Gbpsăኄᅪ࿆ ጣ‫ړ‬N'‫ڪ‬ᇀ16้LjጺࠌႴᄲ8߲ཚ‫ڢ‬ăᆶ้ࢪLjཚ‫ڢ‬໏୲੗ ీ๴‫ڟ‬ဣཥዐ‫ڦ‬FPGA၌዆ă‫ܔ‬ᇀሞRFᆌᆩዐ๑ᆩGSPS ADC‫ڦ‬ਜ਼ࢽLj‫ׯ‬Ԩ੗ీ๟ยऺ੊୯ኮᅃăྺକই‫ׯگ‬ԨLj ੗ᅜ๑ᆩཚ‫ڢ‬໏୲ড‫ڦگ‬FPGAă૩සLj14࿋Ă1.0 GSPSມ ཚ‫ڢ‬AD9680‫ڦ‬ፌ‫ٷ‬ཚ‫ڢ‬໏୲ྺ12.5 GbpsăAD9680ᆶ4߲๼ ‫؜‬ཚ‫ڢ‬Lj੗ದዃ؏ൽઠই‫֑گ‬ᄣ໏୲Ljܸٗই‫گ‬ཚ‫ڢ‬໏ ୲ăኄ‫ܔ‬ᇀ༬ۨRFᆌᆩᆶଇ߲ፕᆩǖᅃ๟ই‫گ‬ཚ‫ڢ‬໏୲Lj ܾ๟‫੻ټ‬჋ስă ၄ሞ࣮‫ڟ‬JESD204B֖ຕLjN'֖ຕኸۨJESD204Bጴ‫ٷ‬ၭăገ ࣑ഗ֑ᄣ‫ݴ‬Ր୲ԥ‫ݴ‬঴‫ׯ‬4࿋ӷጴবă14࿋ገ࣑ഗࢅ16࿋ ገ࣑ഗ‫ݴ‬՚ᆶ4߲ӷጴবLjܸ12࿋ገ࣑ഗᆶ3߲ӷጴবăස ࡕAD9625‫ڦ‬N'ยዃྺ12Ljሶ໯Ⴔཚ‫ڢ‬ຕ੗ᅜ३ณ2߲Ljᆶ6 ߲ཚ‫ڢ‬Ս੗๑ཚ‫ڢ‬໏୲ၭᇀ6.5 Gbpsăॺᅱॽገ࣑ᄣԨຕ(S) ᆙพ‫ڟ‬4࿋ӷጴবՉহฉ‫ڦ‬JESD204Bጴዐă཮2၂๖କADC ᄣԨຕ‫زڟ‬ႜཚ‫ڦڢ‬ᆙพă໲ᅙঢ়֖ຕࣅLjኧ‫׼‬Ⴙ‫ܠ‬੗ᅜ ૧ᆩJESD204Bํ၄‫ڦ‬യሞ൧઄ă N'֖ຕ‫ڪ‬ᇀӷጴবຕଉ‫ױ‬ᅜ4ăॽገ࣑ഗ‫ڦ‬N'ยྺ16Lj‫ݴ‬Ր ୲‫ྷݔ‬ยྺ8࿋዁16࿋Lj‫ܔ‬ᇀ݀พഗࢅথ๭ഗ‫ۼ‬๟ᆶᅮ ‫ڦ‬ăኄሎႹॽ၎ཞ‫݀ڦ‬พഗࢅথ๭ഗᆩᇀ‫߲ܠ‬ገ࣑ഗLjٗ ܸ०ࣅକኝ༹ဣཥยऺăփྜኝ‫ڦ‬ӷጴবᆶ੣क़੗ᆩᇀ JESD204BՔጚۨᅭ‫ڦ‬੦዆࿋(CS)ई঳ຐ࿋(ူ௬‫཮ڦ‬2ዐ၂ ๖ྺTT)ዐăՂႷ஢ፁࠅ๕N' = N + CS + Tăසᆶ੦዆࿋Lj ഄ޹ᇀ௅߲ገ࣑ഗᄣԨ‫ڦ‬LSBኮࢫăሞ๑ᆩገ࣑ഗຕଉĂ ௅ኡ֑ᄣຕଉĂJESD204Bጴ‫ٷ‬ၭࢅፌ‫ٷ‬ཚ‫ڢ‬໏୲ઠऺ໙ཚ ‫ڢ‬ຕଉࢫLj࿢்৽੗ᅜඓۨ௅ኡ໯݀ໃ‫ڦ‬ӗ࿋ጴຕଉFă ੗֑ᆩူ௬‫ࠅڦ‬๕ઠඓۨ޿֖ຕǖF = (M × S × N')/(8 × L)ă ᆶ࠲JESD204૾ୟ֖ຕ‫ܠ߸ڦ‬႑တLj൩֖ለ֖੊࿔၅1Ljഄ ዐ‫૾ܔ‬ୟ֖ຕፔକ߸ၘဦ‫ڦ‬ຫ௽ăଷᆶᅃ߲‫຺ྺݴ‬և‫ڦݴ‬ ሞ၍ჺ༪ࣷLj໲ٗ‫د‬๼֫ਸ๔Lj༵ࠃକᆶ࠲JESD204Քጚ ‫ڦ‬৊ᅃօ႑တă ཮2. ‫د‬๼֫ADCᄣԨᆙพ ‫د‬๼֫ߵ਍ߴۨഗॲᅙۨᅭ‫૾ڦ‬ୟದዃ֖ຕLjਦۨසࢆԈ ጎઠጲADC‫ڦ‬ຕ਍ăኄၵ֖ຕሞ‫؛‬๔ཚ‫ܔڢ‬ഋႾଚ(ILAS) ೺क़ٗADC‫د‬๼‫ڟ‬FPGAăኄၵยዃཚࡗ‫ز‬ႜ‫܋‬੨থ੨ (SPI)ದዃLjഄยዃADCࢅFPGAฉ‫ڦ‬स٪ഗኵઠۨᅭ૾ୟ ದዃ֖ຕăߵ਍ኄၵ֖ຕׂิᅃ߲ၯᄓࢅժॽഄ‫د‬๼ߴথ ๭ഗLjᅜՍথ๭ഗ(FPGA)ీࠕᄓኤ૾ୟದዃ֖ຕ๟‫ޏ‬ኟඓ থ๭ăཚࡗ૾ୟ‫د‬๼‫ڦ‬ኄၵ֖ຕփ๟ᆩᇀದዃথ๭ഗLjܸ ๟ৈᆩᇀᄓኤ૾ୟ֖ຕ೅ದăැॠ֪‫ٱڟ‬ဃLjFPGAॽཚ ࡗJESD204Bࡀ‫ٱڦݔ‬ဃԒߢዐۨᅭ‫ڦ‬ዐ܏Ԓߢُ‫ٱ‬ဃăᆶ ࠲૾ୟದዃ֖ຕ‫ܠ߸ڦ‬႑တLj൩֖ለԨ࿔఍࿂ଚ‫੊֖ڦ؜‬ ࿔၅1ă ຕ਍૾ୟ֫ ຕ਍૾ୟ֫থ๴ժႜ‫ׯ‬ኡຕ਍(ԈࡤADCᄣԨĂ੦዆࿋ࢅ ঳ຐ࿋)Ljժ๼‫؜‬8B/10BጴLjࢫኁሞ࿿૙֫ዐ৊ႜ‫ز‬ႜࣅ൐ ੗ᅜेඡă8B/10B‫ݛ‬ӄࣷሺेᅃၵਸၨLj‫ࠃ༵ీڍ‬኱ୁೝ ࢚‫ڦ‬๼‫؜‬ຕ਍ࢅాዃֶ‫ٱ‬ၯᄓăຕ਍૾ୟ֫ཚࡗ૾ୟॺ૬ ࡗ‫ײ‬ཞօJESD204B૾ୟă૾ୟॺ૬Ԉઔෙ߲փཞ঩܎ǖ 1) ‫پ‬ஓፇཞօ(CGS) 2) ‫؛‬๔ཚ‫ܔڢ‬ഋႾଚ(ILAS) 3) ᆩࢽຕ਍ ሞ‫پ‬ஓፇཞօ(CGS)೺क़Lj߳থ๭ഗ(FPGA)ՂႷ૧ᆩ้ዓ ࢅຕ਍࣬ް(CDR)रຍLjሞADC‫د‬ઠ‫ڦ‬๼෇ຕ਍ୁዐቴ‫ڟ‬ Page 29 K28.5ጴ‫ޙ‬ăᅃ‫ڋ‬ሞ໯ᆶ૾ୟཚ‫ڢ‬ฉॠ֪‫ڟ‬గᅃຕଉ‫૶ڦ‬Ⴤ K28.5ጴ‫ޙ‬Ljথ๭ഗఇ੷৽ࣷ঴‫أ‬ዃ࿋ໃ዁݀ໃഗఇ੷ሞ‫پ‬ ஓፇཞօ(CGS)೺क़Lj߳থ๭ഗ(FPGA)ՂႷ૧ᆩ้ዓࢅຕ ਍࣬ް(CDR)रຍLjሞADC‫د‬ઠ‫ڦ‬๼෇ຕ਍ୁዐቴ‫ڟ‬K28.5 ጴ‫ޙ‬ăᅃ‫ڋ‬ሞ໯ᆶ૾ୟཚ‫ڢ‬ฉॠ֪‫ڟ‬గᅃຕଉ‫૶ڦ‬ჄK28.5 ጴ‫ޙ‬Ljথ๭ഗఇ੷৽ࣷ঴‫أ‬ዃ࿋ໃ዁݀ໃഗఇ੷‫ڦ‬SYNC~ ႑ࡽăሞJESD204AዐLj݀ໃఇ੷վጛSYNC~႑ࡽ‫ڦ‬ՎࣅLj ঢ়ࡗࠦۨຕଉ‫ڦ‬ኡ้ዓኮࢫLjILAS৽ࣷഔ‫ۯ‬ăሞJESD204B ዐLj݀ໃఇ੷վጛSYNC~႑ࡽ‫ڦ‬ՎࣅLjժሞူᅃ߲Ԩ‫ܠں‬ ኡ้ዓ(LMFC)Չহฉഔ‫ۯ‬ILASă ILAS‫ڦ‬ዷᄲፕᆩ๟‫ܔ‬ഋ૾ୟ‫ڦ‬໯ᆶཚ‫ڢ‬Ljᄓኤ૾ୟ֖ຕLj ᅜतඓۨኡࢅ‫ܠ‬ኡՉহሞথ๭ഗ‫ڦ‬๼෇ຕ਍ୁዐ‫ڦ‬࿋ዃă ሞILAS೺क़Lj૾ୟ֖ຕԥ݀ໃ‫ڟ‬থ๭ഗ(FPGA)Ljᅜਦۨස ࢆॽຕ਍݀ໃ‫ڟ‬থ๭ഗăILASᆯ4߲ई߸‫ܠܠ‬ኡፇ‫ׯ‬ă߳ ‫ܠ‬ኡ‫ڦ‬ፌࢫᅃ߲ጴ‫ޙ‬๟‫ܠ‬ኡ‫ܔ‬ഋጴ‫ޙ‬/A/ă‫ڼ‬ᅃĂ‫ڼ‬ෙࢅ‫ڼ‬ ຺ ߲ ‫ ܠ‬ኡ ᅜ /R/ጴ ‫ ޙ‬ਸ ๔ Lj ᅜ /A/ጴ ‫ ޙ‬঳ ຐ ă ‫ ܔ‬ᇀ ADI ADCLjഄक़‫ڦ‬ຕ਍ྺၽೢຕ਍ăথ๭ഗ૧ᆩ߳ཚ‫ڦڢ‬ፌࢫ ᅃ߲/A/‫ܔ‬ഋথ๭ഗా߳‫ܠ‬ኡ‫ڦ‬఍࿂ă ‫ܠ߲ܾڼ‬ኡԈࡤ/R/ࢅ/Q/ጴ‫ޙ‬Ljໜࢫ๟૾ୟ֖ຕă/Q/ጴ‫ޙ‬ ՗๖ኮࢫ‫ڦ‬ຕ਍๟૾ୟದዃ֖ຕăසࡕথ๭ഗႴᄲLjILAS ੗ᅜཁेഄ໲‫ܠ‬ኡăፌࢫᅃ߲ILAS‫ܠ‬ኡ‫ڦ‬ፌࢫᅃ߲/A/ጴ ‫؜ޙ‬၄ࢫLjᆩࢽຕ਍ਸ๔ăሞփႴᄲཚ‫ڢ‬क़ೋၽ࠶૙‫ڦ‬ဣ ཥዐLj੗ᅜಖୟILASLjኻᄲ݀ໃഗࢅথ๭ഗ਩ኧ‫׼‬ኄዖ ఇ๕ă CGSࢅILAS঩܎ྜ‫ࢫׯ‬Lj݀ໃഗਸ๔ໃ‫؜‬ᆩࢽຕ਍(नઠጲ ADC‫ڦ‬ᄣԨ)ăሞኄᅃ঩܎Ljᆩࢽຕ਍ߵ਍݀ໃഗ(ADC)ዐ ۨᅭժገ݀‫ڟ‬থ๭ഗ(FPGA)‫૾ڦ‬ୟ֖ຕLjᅜୁႚ๕ٗ݀ໃ ഗ‫د‬๼‫ڟ‬থ๭ഗăኄ৽๟RFೕ೷ዐԥGSPS ADCຕጴࣅ‫ڦ‬ ໯ᆶ‫د੻ټ‬๼ᅜࠃ‫ت‬૙‫ݛںڦ‬ăথ๭ഗఇ੷‫ت‬૙ժ॔๫๭ ‫ڦڟ‬ຕ਍ᆶ࿮‫ٱ‬ဃLjԈઔሏႜֶᅴփኟඓ(8B/10B‫ٱ‬ဃ)Ă փሞ՗ዐ(8B/10B‫ٱ‬ဃ)Ăᅪྔ੦዆ጴ‫ޙ‬ĂILASփኟඓࢅཚ ‫ڢ‬क़ೋၽ(ጀᅪǖ8B/10Bᅜగዖ‫ݛ‬๕ઠྼ‫׼‬ሏႜֶᅴLj๑‫ڥ‬ ๼‫؜‬ຕ਍‫ت‬ᇀ኱ୁೝ࢚ጒༀLjཞ้ྺথ๭ഗዐ‫้ڦ‬ዓࢅຕ ਍࣬ް‫ۉ‬ୟԍ‫׼‬؊ፁ‫ڦ‬๼‫؜‬ሂദ)ăසᆶኄഄዐ‫ڦ‬ඪࢆ‫ٱ‬ ဃLjॽᅜଇዖ‫ݛ‬๕ዐ‫ڦ‬ᅃዖၠ݀ໃഗԒߢǖ MS-2714  x SYNC~ዃ࿋—௅߲‫ٱ‬ဃ‫ۼ‬Ⴔᄲዘႎཞօ(SYNC~ઙ‫)گ‬ă  x SYNC~Ԓߢ—සࡕ݀ิ‫ٱ‬ဃLjSYNC~ॽՎྺߛ‫ۉ‬ೝ ժ‫׼‬Ⴤᅃ߲ኡ้ዓዜ೺ă ሞ‫؛‬๔ཚ‫ܔڢ‬ഋႾଚ೺क़Ljຕ਍૾ୟ֫޶ሴ๑থ๭ഗዐ‫ڦ‬ ཚ‫ܔڢ‬ഋă/A/ጴ‫৽ޙ‬๟ྺକ‫ܔ‬ഋথ๭ഗዐ‫ڦ‬ཚ‫ܸڢ‬๑ᆩă JESD204 AࢅBࡀ‫ݔ‬ᄲ൱/A/ጴ‫ޙ‬ኮक़዁ณ߰ਸ17߲ӗ࿋ጴă ኄᄣ੗ᅜই‫گ‬ဣཥ‫ٷ‬ೋၽଉ‫ڦ‬ᆖၚăሞJESD204 AࢅBဣཥ ዐLjೋၽሞူଚෙ߲੗ీ‫ׇڦ‬ৠዐ৊ႜକۨᅭǖ 1) ᅃ߲݀ໃഗఇ੷ࢅᅃ߲থ๭ഗఇ੷ 2) ‫߲݀ܠ‬ໃഗఇ੷ࢅᅃ߲থ๭ഗఇ੷ 3) ‫߲݀ܠ‬ໃഗఇ੷ࢅ‫߲ܠ‬থ๭ഗఇ੷ ‫ڟٳ‬ᆩࢽຕ਍঩܎ࢫLjසࡕႴᄲLjཚࡗຕ਍૾ୟዐ‫ڦ‬ጴ‫ޙ‬ ༺࣑੗ᅜ॔๫ժৰኟኡࢅཚ‫ܔڢ‬ഋăጴ‫࣑༺ޙ‬ሞኡࢅ‫ܠ‬ኡ Չহ‫ت‬৊ႜăᆶଇዖ൧઄Ljᅃ๟एᇀኡ‫ڦ‬ጴ‫࣑༺ޙ‬Ljܾ๟ एᇀ‫ܠ‬ኡ‫ڦ‬ጴ‫࣑༺ޙ‬ăሞएᇀኡ‫ڦ‬ጴ‫࣑༺ޙ‬ዐLjැߴۨཚ ‫ڢ‬ฉగᅃኡ‫ڦ‬ፌࢫᅃ߲ጴ‫ޙ‬ᇑฉᅃኡ‫ڦ‬ፌࢫᅃ߲ጴ‫ޙ‬၎ ཞLjሶ݀ໃഗॽᆩ/F/ጴ‫޿࣑༺ޙ‬ጴ‫ޙ‬ăኄᅃፔ݆ཞᄣ๢ᆩ ᇀ๑ీेඡ้Ljฉᅃኡ‫ڦ‬ፌࢫᅃ߲ጴ‫ޙ‬๟0xFCăሞएᇀ‫ܠ‬ ኡ‫ڦ‬ጴ‫࣑༺ޙ‬ዐLjැߴۨཚ‫ڢ‬ฉగᅃ‫ܠ‬ኡ‫ڦ‬ፌࢫᅃ߲ጴ‫ޙ‬ ᇑฉᅃኡ‫ڦ‬ፌࢫᅃ߲ጴ‫ޙ‬၎ཞLjሶ݀ໃഗॽᆩ/A/ጴ‫࣑༺ޙ‬ ޿ጴ‫ޙ‬ăኄዖ൧઄ူLj‫ړ‬๑ీेඡ้Ljැฉᅃ‫ܠ‬ኡ‫ڦ‬ፌࢫ ᅃ߲ጴ‫ޙ‬๟0x7CLjጴ‫࣑༺ޙ‬ᄺࣷ৊ႜăCGSĂILASĂᆩࢽ ຕ਍঩܎ᅜतጴ‫཮ڦ࣑༺ޙ‬঴ස཮3໯๖ă ሞথ๭ഗጴ‫࣑༺ޙ‬ዐLjথ๭ഗ‫֡ڦ‬ፕՂႷᇑ݀ໃഗ‫֡ڦ‬ፕ ߑࡻ၎ཞăැॠ֪‫ڟ‬/F/ጴ‫ޙ‬Lj໲ॽԥฉᅃኡ‫ڦ‬ፌࢫᅃ߲ጴ ‫پ༺ޙ‬ăැॠ֪‫ڟ‬/A/ጴ‫ޙ‬Lj໲ॽԥฉᅃ‫ܠ‬ኡ‫ڦ‬ፌࢫᅃ߲ጴ ‫پ༺ޙ‬ăेඡ๑ీ้Lj/F/ጴ‫ޙ‬ԥ0xFC༺‫پ‬Lj/A/ጴ‫ޙ‬ԥ 0x7C༺‫پ‬ăැথ๭ഗॠ֪‫ڟ‬ଇ߲૶Ⴤ‫ٱ‬ဃLj໲੗ᅜዘႎ‫ܔ‬ ഋཚ‫ڢ‬ă඗ܸLj‫ړ‬໲ኴႜ޿֡ፕ้Ljຕ਍ࣷԥ೦࣋ă՗1 ๟JESD204໯ᆶ੦዆ጴ‫ڦޙ‬०‫ڇ‬ଚ՗ăᆶ࠲੦዆ጴ‫߸ڦޙ‬ ‫ܠ‬႑တLj൩֖ለ֖੊࿔၅3ă Page 30 MS-2714 ՗1. JESD204੦዆ጴ‫ޙ‬ ੦዆ ጴ‫ޙ‬ ੦዆ ‫ࡽޙ‬ 9࿋ኵ 10࿋ኵLj 10࿋ኵLj ௮ຎ RD = -1 RD = +1 /R/ ‫ܠ‬ኡਸ๔ /A/ ཚ‫ܔڢ‬ഋ /Q/ ૾ୟದዃ ຕ਍ਸ๔ /K/ ፇཞօ /F/ ኡ‫ܔ‬ഋ ᇑेඡഗጲ‫ۯ‬ཞօăփ๟໯ᆶဣཥ‫ۼ‬Ⴔᄲेඡຕ਍Ljᅺ ُLj޿֫ᆌᆶీ૰ಖୟेඡࠀీă  ཮3. ຕ਍૾ୟ֫—ILASĂCGSĂຕ਍Ⴞଚ ੗ᅜ჋ስेඡຕ਍Lj‫ڍ‬ՂႷጀᅪǖेඡᄲ‫ڟڪ‬ILASྜ‫ࢫׯ‬ ‫؜‬၄‫ڼ‬ᅃ߲ӗ࿋ጴኮࢫ֍ࣷਸ๔ăኄᅪ࿆ጣCGSࢅILASփ ࣷेඡăํแेඡ੗ᅜই‫݀گ‬ໃഗᇑথ๭ഗኮक़‫ߛڦ‬໏‫ز‬ ႜཚ‫ڢ‬ฉ‫ڦ‬ೕ೷‫ރ‬ኵ‫ޖ‬พăሞగၵဣཥยऺዐLj༬ۨຕ਍ ఇ๕੗ీࣷ‫ڞ‬ዂׂิ‫ۨߴܔ‬ဣཥ߾ፕೕ୲փ૧‫ڦ‬ೕ೷Ljํ แेඡ੗ᅜ঴ਦኄᅃ࿚༶ăेඡఇ੷૧ᆩᅃ߲ጲཞօ‫ेڦ‬ ඡఇ๕Ljഄਏᆶසူ‫ܠ‬ၜ๕ǖ1 + x14 + x15(઀཮९཮4)ăຕ ਍ሞ8B/10BՊஓഗኮമ৊ႜेඡLj঴ஓࢫሞথ๭ഗዐ৊ႜ ঴ඡăᆯᇀेඡఇ๕๟ጲཞօ‫ڦ‬Ljᅺُ๼෇ࢅ๼‫ڦ܋؜‬ଇ ߲ᅎ࿋स٪ഗփ‫ڥ‬ਏᆶ၎ཞ‫؛ڦ‬๔ยዃLj‫ޏ‬ሶेඡࠀీࣷ փഐፕᆩă঴ඡഗጺ๟ሞଇ߲ӗ࿋ጴຕ਍ኮࢫ߶ฉօ݃ժ ࿿૙֫ ཮4. JESD204Bेඡ/঴ඡ ሞ࿿૙֫ዐLjຕ਍৊ႜ‫ز‬ႜࣅLj8B/10BՊஓຕ਍ᅜ၍ୟ໏ ୲݀ໃࢅথ๭ă࿿૙֫Ԉઔ‫ز‬ႜ/঴‫ز‬ഗ(SERDES)ఇ੷Ă ൻ‫ۯ‬ഗĂথ๭ഗࢅCDRăᆯᇀຕ਍‫د‬๼໏୲‫ߛ׉ݥ‬Ljኄၵ ఇ੷‫֑׉׉‬ᆩۨ዆‫ڇ‬ᇮยऺăJESD204ࢅJESD204A਩ኧ ‫׼‬ፌߛ3.125 Gbps‫ڦ‬໏‫܈‬ăJESD204Bࡀ‫ݔ‬ኧ‫׼‬ෙዖ੗ీ‫ڦ‬໏ ‫ڪ܈‬पă໏‫ڪ܈‬प1ኧ‫׼‬ፌߛ3.125 Gbps‫ڦ‬໏‫܈‬Ljएᇀ OIF-SxI5-0.10ࡀ‫ݔ‬ă໏‫ڪ܈‬प2ኧ‫׼‬ፌߛ6.375 Gbps‫ڦ‬໏ ‫܈‬LjएᇀCEI-6G-SRࡀ‫ݔ‬ă໏‫ڪ܈‬प3ኧ‫׼‬ፌߛ12.5 Gbps‫ڦ‬ ໏‫܈‬LjएᇀCEI-11G-SRࡀ‫ݔ‬ă՗2߁ᄲ၂๖କෙዖ໏‫ڪ܈‬ प‫ܔ‬ᆌ‫ڦ‬ᅃၵ࿿૙֫ࡀ߭ă ՗2. JESD204B࿿૙֫ࡀ‫ݔ‬ ֖ຕ ၍ୟ໏୲(Gbps) ๼‫ۉݴֶ؜‬უ (mVppd) ๼‫؜‬ฉื/ ူই้क़(ps) ๼‫؜‬ጺ۶‫ۯ‬ (pp UI) 500 (ፌၭኵ) 1000 (ፌ‫ٷ‬ኵ) 400 (ፌၭኵ) 750 (ፌ‫ٷ‬ኵ) 360 (ፌၭኵ) 770 (ፌ‫ٷ‬ኵ) Page 31 ՗2ଚ‫؜‬କ߳ዖ໏‫ڪ܈‬प‫ڦ‬JESD204BՔጚ࿿૙֫႑ࡽ‫ڦ‬၍ ୟ໏୲Ăֶ‫ۉݴ‬უĂฉื/ူই้क़ࢅጺ۶‫ۯ‬ă໏‫ڪ܈‬पሁ ߛLj႑ࡽ‫܈ޗ‬ሁၭLjԍ‫ߛ׼‬უӦ୲৽ሁඹᅟLjᅺܸీࠕྼ ‫׼‬ਸຕ਍ᄅᅜኟඓ‫د‬๼႑ࡽăኄၵߛ໏႑ࡽਏᆶ੺໏ฉื ᄂࢅူইᄂLj‫ۉܔ‬ୟӱยऺ‫ڦ‬ሀຐ‫׉ݥ‬ჹ߭ă‫ܔ‬ᇀႹ‫੻ܠ‬ ‫ټ‬RFဣཥยऺኁઠຫLjኄփ๟ႎး๚ă඗ܸLjߛ໏ຕጴย ऺ‫ڦ‬ᅃ߲ዘᄲ൶՚๟੻‫੻ټ‬ă‫ۆ‬႙RFဣཥ‫ڦ‬႑ࡽ‫੻ټ‬ሀྺ RF߾ፕೕ୲‫ڦ‬10%ईᅜူă‫ܔ‬ᇀኄၵߛ໏‫ز‬ႜཚ‫ڢ‬໏୲Lj ဣཥยऺႴᄲ੊୯‫੻ټڦ‬ཚ‫ྺ׉‬ཚ‫ڢ‬໏୲‫ڦ‬3Ԡ዁5Ԡăཚ ‫ڢ‬໏୲ྺ5 Gbps้Lj႑ࡽ‫ॽ੻ټ‬๟7.5 GHz‫ڟ‬12.5 GHză‫ܔ‬ ᇀසُ੻‫੻ټڦ‬Ljԍ‫׼‬๢‫ڦړ‬႑ࡽྜኝ‫܈‬ժ൐କ঴සࢆ࢚ ଉ႑ࡽྜኝ‫܈‬๟࢔ዘᄲ‫ڦ‬ă ሞ‫ز‬ႜֶ‫ݴ‬থ੨ዐLjᄅ཮๟႑ࡽྜኝ‫׉ڦ܈‬ᆩ֪ଉ‫݆ݛ‬ă ཮5၂๖କᅜፌߛ3.125 Gbps‫ڦ‬໏‫߾܈‬ፕ้JESD204݀ໃഗ ‫ڦ‬ᄅ཮ቸă՗3༵ࠃକᆶ࠲้ႾĂ‫ۉ‬უ‫ۉ‬ೝĂፆੇࢅ࣮հ ໦ࡼ‫ၘڦ‬ဦ႑တă႑ࡽփ‫ڥ‬ൔ቞཮ዐ‫ڦ‬௝෥൶ᇘLjՂႷ๔ ዕ‫ت‬ᇀӣ෥൶ᇘዐă՗ዐߴ‫؜‬କ݀ໃഗՂႷ஢ፁᄅቸ‫ڦ‬ཉ ॲă‫ܔ‬ᇀJESD204Bࡀ‫ݔ‬ዐ‫ڦ‬ଷྔଇዖ໏‫ڪ܈‬पLjᄺᆶૌຼ ‫ڦ‬ᄅ཮ቸăၘ൧൩֖ለCEI-6G-SRࢅCEI-11G-SR࿿૙֫ࡀ ‫ݔ‬ăᆶ࠲ᄅ཮ቸ‫ܠ߸ڦ‬႑တLj൩֖ለ֖੊࿔၅2Ljഄዐຫ ௽କ࿿૙֪֫ଉă ՗3. ᄅ཮֪ଉ ֖ຕ ኵ ‫ڇ‬࿋ MS-2714 ཮5. Txᄅ཮ቸ๖૩ ঳ᇕ ֑ᆩJESD204B‫ڦ‬ยऺຕଉᇑනਓሺLjժ൐ภतዮ‫ܠ‬๨‫ׇ‬Lj ૩සཚ႑Ăᅏഗᅏ՗Ăਬ߾ࢅࡵ੣ࡵཀăኄၵ๨‫੻ۯླׇྀ‬ ‫ټ‬RFဣཥยऺ๑ᆩGSPS ADCLjᅺܸႴᄲJESD204B‫ز‬ႜথ ੨ă๭݀ഗኧ‫׼‬JESD204B‫ز‬ႜࣅ/঴‫ڦز‬FPGAሁઠሁ‫ܠ‬Lj ܸ൐ሁઠሁՍᅓăໜጣJESD204Bথ੨Վ‫ڥ‬ሁઠሁ๴࣌ᆓLj କ঴JESD204Bࡀ‫֫߳ڦݔ‬๟࢔ዘᄲ‫ڦ‬ăසฉ໯ຎLjࡀ‫ݔ‬ዐ ‫ۼ֫߳ڦ‬ᆶጲम‫ీࠀڦ‬ᄲྜ‫ׯ‬ăದዃࢅຕ਍ᆙพ๟ᆌᆩ֫ ‫ీࠀڦ‬Ljܸገ࣑ᄣԨᇑ࿄ेඡӗ࿋ጴኮक़‫ڦ‬ᆙพ๟ሞ‫د‬๼ ֫ྜ‫ׯ‬ăेඡ੗ᅜ჋ስႠ๑ీLjᅜཚࡗჽቛೕ೷ॖ‫ރ‬ઠই ‫گ‬EMIᆖၚăሞຕ਍૾ୟ֫Lj੗჋ेඡ‫ڦ‬ӗ࿋ጴՊஓྺ 8B/10Bጴ‫ޙ‬Lj੦዆ጴ‫ิׂڦޙ‬ईॠ֪ᄺሞኄ૛ྜ‫ׯ‬LjᅜՍ ኧ‫׼‬ཚ‫ܔڢ‬ഋ॔੦ࢅྼࢺăൻ‫ۯ‬ഗĂথ๭ഗĂ้ዓࢅຕ਍ ࣬ް‫ۉ‬ୟࠓ‫݀ׯ‬ໃࢅথ๭ຕ਍‫ڦ‬࿿૙֫ăཚࡗԨ࿔Ljဣཥ ยऺኁᆌ‫ںࡻ߸ࠕీړ‬କ঴JESD204Bࡀ‫֫߳ڦݔ‬Ljܸٗሞ ူᅃ߲ยऺዐ߸ेᆶጚԢ‫ํں‬แJESD204Bă Page 32 MS-2714 ֖੊࿔၅ Jonathan HarrisLjĐକ঴JESD204B૾ୟ֖ຕđLjPlanet AnalogLj2013౎ă Jonathan HarrisLjĐJESD204B݀ໃഗ‫ڦ‬ෙ߲࠲॰࿿૙ ֫(PHY)ႠీኸՔđLjEE TimesLj2013౎ă Jonathan HarrisLjĐJESD204Bዐ‫૾ڦ‬ୟཞօࢅ‫ܔ‬ഋǖକ঴ ੦዆ጴ‫ޙ‬đLjEE TimesLj2013౎ă JESD204Bຕ਍ገ࣑ഗ‫ز‬ႜথ੨JEDECՔጚă PalkertLjThomasăĐဣཥথ੨‫ڼ‬5पǖ2.488-3.125 Gbpsժ ႜথ੨‫׉ڦ‬९‫ۉ‬ഘ༬ႠđLjOptical Internetworking ForumLj 2002౎ă Đ‫׉‬९‫ۉ‬ഘI/O (CEI)—6G+ bpsĂ11G+ࢅ25G+bps I/O‫ۉڦ‬ ഘࢅ۶‫֡ࢻۯ‬ፕႠၹۨđLjOptical Internetworking ForumLj 2005౎ă TA12759sc Page 33 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă ߛ໏DAC੻‫ټ‬๼‫ྪ؜‬ஏኪ๎ᇑยऺ ፕኁǖJarrett Liner ৃཀLj‫ܔ‬ᇀႎICᇮഗॲࢅरຍ‫ڦ‬Ⴔ൱ᅈ඗ᅜସට‫׺‬৚‫ڦ‬໏ ‫܈‬ሺ‫׊‬ăฆᄽࢅࡔ‫߾ݞ‬ᄽ๟Ⴔ൱ሺ‫ڦ׊‬ዷᄲِघᅺ໎ăణ മภतӷ‫༹ڞ‬ႜᄽ‫ٷڦ‬և‫ݴ‬ႎࡀ߭‫ྷۼ‬ජጣই‫گ‬؅٫ (size)Ăዘଉ(weight)ࢅࠀࡼ(power)ܸቛਸ——नSWaPăሞ ӷ‫༹ڞ‬ႜᄽLj࿢்ཚࡗփ܏߀৊‫ڦ‬रຍᅜत߸േ௴‫ڦ‬ยऺ ઠ஢ፁኄၵᄲ൱ă඗ܸLjႠీᄺ๟࠲॰Ⴔ൱Ljᆮഄ๟GSPS ଶᇘ‫ڦ‬ຕఇገ࣑ഗ(DAC)रຍăྺକ߶ฉኄᅃօ݃Ljට் ‫୼ࢮ׉׉‬କ࠲॰‫ڦ‬ఇె๼‫؜‬೅ದྪஏă ྺକ༵ࠃ߸ߛ‫ڦ‬ൣည‫܈‬Ljཚ‫׉‬ණྺߛೕ๟‫ࡗג‬1 GHz‫ڦ‬ೕ ୲Ljߛ໏๟‫ࡗג‬1 GSPS‫ڦ‬໏‫܈‬Ǘ߸ዘᄲ‫ڦ‬๟Ljፌዕᆩࢽ੗ ీࣷሞDACኮࢫण‫ׯ‬ᅃ߲‫ٷݣ‬ഗLjᅺُ੗ᆩ႑ࡽՍփఫ஺ ᅈડᇀ႑ࡽ‫ۉ‬ೝLjܸ߸‫ںܠ‬ᅈડሯำࢅԍኈ‫܈‬ăԨ࿔ॽ༪ ஃ೅ದᇮഗॲतഄࢻ૶Lj ժሞ჋ስՎუഗईә୿Ljᅜतภ त‫ڟ‬ᆌᆩ૶থದዃरേ้ዘ‫࠲ۅ‬ጀ࠲॰ࡀ߭ăፌࢫLjԨ࿔ ॽ༵ࠃᅃၵາୟࢅᆫࣅरേLjຫ௽ሞGHz൶ᇘ߾ፕ‫ڦ‬DAC සࢆํ၄੻‫ټ‬ೝࣂፆੇՎ࣑ă ԝৠ႑တ DACᆩ཰࠽‫ݘ‬Ǘፌ‫׉‬९‫ڦ‬ᆩ཰Ԉઔǖฆᄽࢅਬ๚ཚ႑ዐ‫ڦ‬ ߛೕްሗհႚิ‫ׯ‬Ă࿮၍ए‫إ‬ยแĂጲ‫֪ۯ‬๬ยԢ(ATE) ᅜतૃ‫ࢅٳ‬ਬᆩ߅ඡ‫ۉ‬ጱׂ೗ăဣཥॐࠓ฾ቴ‫ࢇڟ‬๢‫ڦ‬ DACࢫLjՂႷ੊୯๼‫؜‬೅ದྪஏLjᅜԍ‫׼‬႑ࡽ঳ࠓăᇮॲ ჋႙ࢅྊ೫ডኮٗമ߸ྺዘᄲLjᅺྺGSPS DACᆌᆩᄲ൱߾ ፕሞ‫ג‬లઊຯ༬ೕ୲ူLjُ้໯Ⴔ‫ڦ‬ೕ೷႑တ࿋ᇀ‫ܾڼ‬Ă ‫ڼ‬ෙई‫຺ڼ‬లઊຯ༬൶ă रຍ࿔ቤ MS-2643 ᇨԢኪ๎ ๯ံඟ࿢்ઠ੊ִDAC‫ڦ‬ፕᆩLjतഄሞ႑ࡽ૾ዐ‫ڦ‬࿋ዃă DAC‫ڦ‬ፕᆩ࢔ၟ႑ࡽ݀ิഗă໲ీሞዐ႐ೕ୲(Fc)‫ాྷݔ‬ ྺްሗհႚ༵ࠃ‫ڇ‬ᅼăᅜമLjFcፌ‫ٷ‬ኵ࿋ᇀ‫ڼ‬ᅃలઊຯ༬ ൶ዐLjईኁྺ֑ᄣೕ୲‫ڦ‬ᅃӷăডႎ‫ڦ‬DACยऺਏᆶాև ้ዓԠೕഗLj੗ᅜᆶၳ‫ں‬Ԡሺ‫ڼ‬ᅃలઊຯ༬൶Ǘ੗ॽഄ‫׬‬ ྺ“ंೕఇ๕”֡ፕă๑ᆩंೕఇ๕‫ڦ‬DACጲ඗๼‫؜‬ೕ୲ၚ ᆌਏᆶsinX/e^(X2)൸၍‫ڦ‬ႚጒLjස཮1໯๖ăဣཥॐࠓ฾੗ ֖੊ׂ೗ຕ਍๮֩Ljକ঴ᇮഗॲႠీă࢔‫ࢪ้ܠ‬Ljዮසࠀ ୲຤ೝࢅ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR)‫ڪ‬Ⴀీ֖ຕࣷߴ‫ܠ؜‬ዖೕ ୲ူ‫ڦ‬ຕኵă௽዇‫ڦ‬ဣཥยऺටᇵ੗ॽཞᅃ߲DACᆌᆩᇀ ฉ࿔໯ຎ‫גڦ‬లઊຯ༬൶ዐăኵ‫ڥ‬ጀᅪ‫ڦ‬๟Ljሞডߛೕ୲ ူ(ईডߛ൶ᇘዐ)ᇨ೺๼‫ۉ؜‬ೝॽࣷ‫ܠڥگ‬Ljᅺُ࢔‫ܠ‬႑ ࡽ૾ࣷሞDACኮࢫण‫ׯ‬ᅃ߲‫ڦྔܮ‬ሺᅮఇ੷ईൻ‫ٷݣۯ‬ ഗLjᅜց‫޿׋‬໦ࡼă ཮1. DAC Sinx/x๼‫؜‬ೕ୲ၚᆌᇑंೕఇ๕‫࠲ڦ‬ဣ ᇮഗॲ‫ݛ‬௬‫੊ڦ‬୯Ljස჋ስ๼‫؜‬ә୿ ኻᆶፌዕᆩࢽยऺࢅ֪‫ڦڥ‬ፌॅႠీGSPS DAC֍๟ࡻഗ ॲăྺକፌ‫ߛࣩ݀܈ײٷ‬೗ዊDAC‫ڦ‬ႠీLjᆌ‫ړ‬ኻ჋ᆩፌ ࡻ‫ڦ‬ᇮഗॲăՂႷሞᅃਸ๔৽ፕ‫؜‬ዘᄲ‫ۉڦ‬ୟਦۨăຕ਍ Page 34 MS-2643 ๮֩ฉ‫ڦ‬DACႠీ๟‫ࠃ༵ޏ‬କፁࠕ‫ڦ‬๼‫୲ࠀ؜‬Ǜ๟‫ޏ‬Ⴔᄲ ᆶᇸഗॲǛ႑ࡽ૾๟‫ޏ‬ႴᄲٗDACֶ‫ݴ‬๼‫د؜‬ໃ዁‫࣍܋ڇ‬ ৣǛ ๟‫ޏ‬Ⴔᄲᆩ‫ڟ‬Վუഗईә୿Ǜә୿‫ࢇڦ‬๢ፆੇԲ๟‫ܠ‬ ณǛԨ࿔ॽዘ‫ۅ‬༪ஃә୿ईՎუഗ‫ڦ‬๑ᆩă ჋ስә୿้Ljᆌጮဦ੊୯၎࿋ࢅ‫܈ޗ‬փೝ࢚ăፆੇԲ(‫ۉ‬უ ሺᅮ)Ă‫੻ټ‬Ă֭෇໦ࡼࢅ࣮໦ཞᄣᄺ๟ዘᄲ‫ڦ‬Ⴀీ੊୯ᅺ ໎ă֑ᆩә୿৊ႜยऺժփጺ๟०‫ڇ‬௽କă૩සLjә୿‫ڦ‬ ༬Ⴀໜೕ୲ܸ߀ՎLjኄࣷߴᇨ೺௏ฉᅽᆖăᆶၵә୿‫ܔ‬থ ‫ں‬Ăքਆք၍ࢅዐ႐؏ཀྵ᳘ࢇ௺ߌăဣཥยऺටᇵփᆌྜ ඇߵ਍ә୿ຕ਍๮֩ฉ‫ڦ‬Ⴀీፕྺഗॲ჋ስ‫ྸڦ‬ᅃए‫إ‬ă ঢ়ᄓሞኄ૛ీࠕࣩ݀਎‫ٷ‬ፕᆩǖ٪ሞPCBसิၳᆌ้Ljә ୿ᅜႎ‫ڦ‬ႚ๕ࠓ‫ྔׯ‬և೅ದྪஏǗገ࣑ഗ‫ాڦ‬ևፆੇ(޶ ሜ)ཞᄣ‫ڪྺׯ‬๕‫ڦ‬ᅃև‫ݴ‬ă ჋ስә୿้Ⴔጀᅪ‫ڦ‬ዘᄲ༬Ⴀᆶ࢔‫ܠ‬LjԨ࿔փፕศ෇༪ ஃăසႴକ঴ኄ‫ݛ‬௬‫ܠ߸ڦ‬႑တLjᅜतසࢆ჋ስኟඓ‫ڦ‬Վ უഗईә୿Lj൩֖९Ԩ࿔఍࿂ଚ‫੊֖ڦ؜‬࿔၅1ࢅ2ă ణമ๨‫ׇ‬ฉLjAnarenĂHYPERLABSĂMarki MicrowaveĂ Mini-CircuitsࢅPicosecondፕྺፌॅ঴ਦ‫ݛ‬ӄLj੗༵ࠃፌ੻ ‫੻ټڦ‬ăኄၵጆ૧ยऺ֑ᆩ༬๺ྊ೫LjሎႹኻ֑ᆩ‫ڇ‬ᅃഗ ॲํ၄ഥቹ൶ᇘ‫੻ټ‬કቛLjܸ༵ٗࠃ߸ߛ‫ڦ‬ೝ࢚‫܈‬ă ๑ᆩ‫߲ڇ‬ә୿ई‫߲ܠ‬ә୿ྊ೫้LjፌࢫႴᄲጀᅪ‫ڦ‬ᅃ‫ۅ‬ ๟Ljքਆ‫ܔ‬ᇀ၎࿋փೝ࢚ཞᄣਏᆶዘᄲፕᆩăྺሞߛೕူ ԍ‫׼‬ፌॅႠీLjքਆᆌ৑੗ీ‫׬ܔ‬ă‫ޏ‬ሶLjጽ၍ൟྲ฿ದ ੗ీ๑֑ᆩә୿‫ڦ‬മ‫܋‬ยऺՎ‫ࡹڥ‬࿮ᆩ‫ت‬Ljฯ዁๑‫ۯ‬ༀ‫ݔ‬ ྷ๴၌ă ๼‫؜‬೅ದ ᅈડೕ୲‫ڦ‬ᇮഗॲॽࣷ๔ዕ၌዆‫੻ټ‬Ljසժ૴‫ۉ‬ඹࢅ‫૴ز‬ ‫ߌۉ‬ăᄺ৽๟ຫLj੊୯ᆫࣅܸ‫ݥ‬೅ದLj੗ీ߸ྺᆶၳăৃ ཀLjә୿‫੻ټ੻גڦ‬बࢭփ੗ీ“ದࢇ”‫ܠ‬Ԡೕ‫ײ‬ೕ೷‫ݔ‬ ྷă‫ܔ‬ᅜฉ֖ຕ‫ڦ‬ᆫࣅሶᄲ൱‫ܔ‬ဣཥ‫ڦ‬ፌዕᆩ཰ᆶศ෇‫ڦ‬ କ঴ă૩සLj‫ۉ‬ୟ๟‫ޏ‬Ⴔᄲ༵ࠃፌ‫د୲ࠀٷ‬๼Ljܸডณ੊ ୯SFDRǛईኁ๟‫ޏ‬Ⴔᄲፌߛ၍Ⴀ‫܈‬ยऺLjཞ้཭‫؜‬SNRࢅ SFDRܸডณ੊୯DAC‫ڦ‬๼‫؜‬ൻ‫ۯ‬ഽ‫܈‬Ǜኄᅪ࿆ጣሞᆌᆩ ዐLjᆌ‫ړ‬඄࢚௅߲֖ຕ‫ڦ‬ዘᄲႠăԨ૩ዐLjස཮2໯๖ྺ AD9129 GSPS DAC๼‫ྪ؜‬ஏă޿ྪஏዐ‫ڦ‬௅߲‫ۉ‬ፆࢅә୿ ‫ۼ‬੗߀ՎLj඗ܸໜጣ௅߲‫ۉ‬ፆኵ‫ڦ‬ՎࣅLjႠీ֖ຕᄺࣷස ՗1໯๖݀ิ߀Վă ཮2. AD9129 DAC๼‫؜‬മ‫཮઀ీࠀ܋‬ ՗1. बዖ൧ႚ‫ڦ‬ຕ਍ۨᅭ DACᆫࣅ ൧ႚ1 ൧ႚ2 ൧ႚ3 ә୿ R1/R2 R3/R4 (Ω) (Ω) TC1-33-75G2 + (1:1ፆੇԲ) DNI 50 BAL-0006SMG (1:2ፆੇԲ) 100 50 BALH-000+SMG (1:1ፆੇԲ) 100 50 ‫܁‬ኁႴጀᅪLjፌॅᇮഗॲኵኮक़‫ֶڦ‬ᅴ‫׉ݥ‬ၭăә୿ᇮॲ ਏᆶፌ‫ڦٷ‬Վࣅኵăူ࿔཮3ዐ‫ڦ‬ຕ਍၂๖DAC੻‫ټ‬ሯำ ๼‫؜‬ఇ๕‫ڦ‬ᆫࣅǗDACኻ๟ሞඇև੗ᆩೕ೷‫੻ټ‬ዐׂิ႑ ࡽᅼăፌ‫ڦ؛‬൧ႚ၂๖‫ڼ‬ᅃలઊຯ༬൶‫ڦ‬੗ᆩࠀ୲ူইLj ܸ‫ܾڼ‬Ă‫ڼ‬ෙࢅ‫຺ڼ‬లઊຯ༬൶ዐटᆶ੗ీ‫؜‬၄ं۠႑ࡽ ᅼă൧ႚ2၂๖‫ڼ‬ᅃࢅ‫ܾڼ‬లઊຯ༬൶ዐ‫ڦ‬๼‫ۉ؜‬ೝሺ ेLjᅜतডߛలઊຯ༬൶ዐ‫ڦ‬੗ᆩࠀ୲ူইăፌࢫLj൧ႚ 3ྺፌॅ൧઄Ljੂฉඁሞ‫ڼ‬ᅃࢅ‫ܾڼ‬లઊຯ༬൶ਏᆶଆࡻ ‫ڦ‬๼‫୲ࠀ؜‬Ljཞ้၎Բ൧ႚ1Lj൶ᇘ3ࢅ4ዐ‫ڦ‬੗ᆩࠀ୲ԍ ‫׼‬ሞፌ‫گ‬຤ೝă Page 35 MS-2643 ཮3. ੻‫ټ‬ሯำఇ๕ዐ‫ڦ‬DACႠీ ཮4ࢅ5၂๖DACྺ‫ڇ‬ᅼఇ๕้‫ऻڦ‬୤ຕ਍ă཮5၂๖‫߲ܠ‬ లઊຯ༬൶ዐփཞೕ୲‫ڦ‬๼‫୲ࠀ؜‬຤ೝă཮4၂๖߳ዖ൧ ႚᇑDAC๼‫؜‬ೕ୲ူ‫ڦ‬SFDRă‫܁‬ኁᆌ‫֖ܔړ‬ຕࡀࣄ‫ڦ‬඄ ࢚ൽปᆶᅃ߲߸ඇ௬‫ڦ‬କ঴Ljᅺྺໜጣยऺࡗ‫ڦײ‬ቛਸLj ՂႷ૙঴ኄၵ֖ຕժ‫ܔ‬ഄᆫࣅă၂඗Lj൧ႚ1੗ᅜཚࡗ༺ ࣑ྺ‫ڦ੻߸੻ټ‬ә୿঴ਦ‫ݛ‬ӄेᅜ߀৊Ljन൧ႚ2ăሞ‫ڼ‬ ܾలઊຯ༬൶इ‫୲ࠀڦߛ߸ڥ‬຤ೝࢅ߸ॅ‫ڦ‬SFDRăُྔLj ൧ႚ3ዐ֑ᆩ1:2੻‫ټ‬ә୿Ljሶ߀৊ࢫ‫୲ࠀڦ‬຤ೝՍ‫ڟڥ‬କ ԍ‫׼‬Ljཞ้৊ᅃօ߀৊କဣཥ‫ڦ‬SFDRăഄ໲ዘᄲ݀၄ᆶǖ ሞ1900 MHz޹ৎ٪ሞSFDR‫“ڦ‬ፌᆶၳ‫”ۅ‬ă޿Ⴀీ‫܀‬૬ᇀ๼ ‫؜‬ᇮഗॲLjኄ๟ᅺྺDAC٪ሞాևፆੇă ཮5. ๼‫୲ࠀ؜‬຤ೝ‫ܔ‬Բ ঳ஃ GSPS DAC‫ڦ‬ፌႎ݀ቛ੗ඟยऺටᇵሞ݀พ႑ࡽ૾ฉ୼ࡗ‫ܠ‬ ߲ंೕपLj኱থ‫ت‬૙໯Ⴔ‫ڦ‬RFೕ܎ă๑ᆩGSPS DAC้LjՂ Ⴗጮဦ੊୯๼‫ྪ؜‬ஏăยऺߛ໏Ăߛ‫ݴ‬Ր୲ገ࣑ഗքਆ ้Ljփඹᅟቷࠥ‫ڟ‬໯ᆶ‫ڦ‬ਏ༹༬ႠăٗDAC๼‫ৣ࣍ݴֶ؜‬ ገ࣑዁‫܋ڇ‬RF๼‫้؜‬LjՂႷ༬՚ጀᅪә୿‫ڦ‬჋ስăଷྔLj ยऺGSPS DAC๼‫ྪ؜‬ஏ้LjՂႷጀᅪྪஏ‫ڦ‬քਆᇑྊ೫Ǘ ጽ၍੻‫܈׊ࢅ܈‬๟‫׉ݥ‬ዘᄲ‫֖ڦ‬ຕLjႴेᅜᆫࣅăऻዿLj ྺକದࢇ༬ۨᆌᆩLjႴᄲ஢ፁ࢔‫֖ܠ‬ຕă ཮4. SFDRႠీ‫ܔ‬Բ Page 36 MS-2643 ֖੊࿔၅ Rob ReederLj“GSPSገ࣑ഗ੻‫ټ‬മ‫܋‬ยऺ”LjADIࠅິLj2013౎ Rob ReederLj“੻‫ټ‬ఇຕገ࣑ഗ‫ڦ‬Վუഗ᳘ࢇമ‫”܋‬Ljఇె‫ܔ‬ ࣆ‫ڼ‬39ਝ‫ڼ‬2೺Lj2005౎4ሆ Rob ReederLjAN-935ᆌᆩԴऻLjADCՎუഗ᳘ࢇമ‫܋‬ยऺLj ADIࠅິLj2007౎ Ken GentileLjAN-912ᆌᆩԴऻLj૧ᆩೝ࢚‫ୁۉ‬๼‫؜‬DACൻ ‫ۯ‬ዐ႐؏ཀྵՎუഗLjADIࠅິLj2007౎ Walt KesterLjఇຕገ࣑ǖჺ༪ࣷဣଚLjADIࠅິLj2004౎ “ᆫࣅຕ਍ገ࣑ഗথ੨”Ljߛ໏ဣཥᆌᆩLjADIࠅິLj2006౎ ፕኁ०঻ Jarrett Liner๟ADIࠅິ߾ᄽᇑᅏഗᅏ՗ևพೕဣཥᆌᆩ߾ ‫ײ‬฾Lj޶ሴ‫ݞ‬ခࢅࡵ੣ࡵཀᆌᆩLj߾ፕ‫ۅں‬ሞெࡔԛਸ਼ஆ ઠభዝ߭ଠຯձஆă໱ሞพೕဣཥࢅഗॲยऺ‫ݛ‬௬ᆶጣ‫ݿ‬ ޷‫ڦ‬ঢ়ᄓăُമLj໱๟‫ݞ‬ခࢅࡵ੣ࡵཀଶᇘ༐ࣅࡂ‫ڌڹת‬ ࣅᰆ‫ٷݣ‬ഗᆌᆩ߾‫ײ‬฾ăഄံമ‫ڦ‬ঢ়૦࣏Ԉઔٗ๚13౎‫ڦ‬ RF IC WLANࠀ୲‫ٷݣ‬ഗࢅമ‫܋‬ఇ੷‫ڦ‬ยऺᇑ֪๬߾ፕă Jarrettᇀ 1988౎ इ ‫ ࣀ ڥ‬ટ ๗ ม ൶ ‫ ٷ‬ბ ߾ ᄽ ‫ ۉ‬ጱ ޭ ბ ๗ ბ ࿋ă໱ሼፕྺ‫ۉ‬ጱर฾ሞெࡔ࡛ਬ‫ޜ‬ᅣ6౎ăJarrettᇀ2004 ౎इ‫ڥ‬ԛਸ਼ஆઠభዝ౫ᄽरຍዝ૬‫ٷ‬ბ(࿋ᇀԛਸ਼ஆઠభዝ ߭ଠຯձஆ)‫ۉ‬ഘ߾‫ײ‬ბ๗ბ࿋ă‫ړ‬Jarrettփሞํᄓ๪‫ݠ‬ኈ ‫ۉ‬ୟई֪ଉຕ਍้Lj໱੗ీሞ෷‫ں‬ฉഏጲႜ‫כ‬Ăሞॳว‫ݝ‬ ঞ๲ጲႜ‫כ‬ੜ‫ײ‬Ăಞօईኁሞབྷᇾᇑ໱‫຺࡚߲ڦ‬ጱጕደᢲ ဥă૴ဣ‫ݛ‬๕ǖjarrett.liner@analog.comă TA12757sc-0-10/14 Page 37 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă ֑ᆩߛ‫ۯ‬ༀ‫ྷݔ‬ዐೕথ๭ഗ०ࣅ ူᅃ‫ྲپ‬հ‫ۙۅܔۅ‬዆঴ۙഗ‫ڦ‬ ยऺ Paul, HendriksLjᆌᆩ߾‫ײ‬฾LjAnalog Devices, Inc ྲհ‫૾ۅܔۅ‬ୟ๟࿮၍ᅎ‫ྪۯ‬ஏ‫ڦ‬ᅃ߲ፇ‫ׯ‬և‫ݴ‬Lj໲༵ࠃ କएበ(BTS/Nodes)ᇑ࿮၍੦዆ഗ(BSC/RNCs)ኮक़‫د࣮ڦ‬ ీ૰Ljኄዖॐࠓ֑ᆩ࠼္૾থ‫ׯ‬ԨডߛLjඇ൰‫ࡗג‬ӷຕ‫ۼ‬ ֑ᆩኄዖྲհ૾থă๴๨‫ׇ‬ၠ዇ీ๮ऐገᅎ‫ڦ‬൵๞ൻ‫ۯ‬Lj ৎ೺ᅎ‫ྪۯ‬ஏୁଉ‫ڦ‬ტ௓ሺቩLjස๫ೕୁ‫ڪ‬ຕ਍Ⴔ൱‫ٷٷ‬ ሺഽLjཞ้ᄺ‫ܔ‬၄ᆶྲհ࣮‫د‬ยԢ‫ڦ‬ඹଉሰ‫ׯ‬କუ૰ăྺ କ๑࣮‫ྪد‬ஏฉ‫ڦ‬ຕ਍ཾུଉ๢ᆌLTEᇑLTE-Advanced‫ڦ‬ Ⴔ൱Ljူᅃ‫ྲپ‬հ૾ୟႴᄲǖ  x ‫ו‬ጣሁઠሁߛْ‫ڦ‬ຕጴۙ዆஝৊Ljٗසৃ‫ڦ‬QAM256 ‫ڟ‬࿄ઠ‫ڦ‬QAM4096Ljܸٗ๑ᅃ߲ࠦۨ႑‫ݴڢ‬ದ‫ڦ‬ඹ ଉሺे50%ă  x ሞ‫د‬ཥೕ‫ټ‬6 GHz዁42 GHzాLjኧ‫ٗ׼‬56 MHz༵ื዁ 112 MHz‫ڦ‬႑‫ݴڢ‬ದăසࡕሜհ႑ሯԲ(CNR)ԍ‫࢛׼‬ ۨLjሶ႑‫੻ټڢ‬௅ሺेᅃԠLjຕ਍ཾུ୲ీ૰৽ࣷ ‫ׯ‬Բ૩ሺेă  x ֑ᆩසटࣅ‫ݴ‬णĂ႑‫ڢ‬णࢇLjN × N၍‫ܠڦ‬ୟ๼෇‫ܠ‬ ୟ๼‫(؜‬MIMO)‫ڪ‬रຍă ཚ႑ဣཥยऺ‫ۆڦ‬႙༬ኙ৽๟ཾུ૰‫ื༵ڦ‬๟Ⴔᄲ޲‫؜‬ᅃ ۨ‫پ‬ॏ‫ڦ‬ăᄲཞ้ኧ‫ڦߛ߸׼‬QAMࢅ႑‫੻ټڢ‬Ljྲհ૾ୟ ৽ՂႷਏԢ߸‫ۯڦٷ‬ༀ‫ీྷݔ‬૰ᅜඓԍ໯Ⴔ‫ڦ‬ፌၭEVM Ⴀ ీLj༬՚๟QAM‫ٷ‬ၭई‫੻ټ‬௅ሺेᅃԠࣷሰ‫ׯ‬থ๭ഗଳ௺ ‫܈‬ই‫گ‬3dBăྲհยԢՂႷԍ‫׼‬ଳऄႠLjᅺُሞኧ‫׼‬໯ᆶ रຍ࿔ቤ MS-2739 ੗ీ‫߾ڦ‬઄้Ⴔᄲᅃၵ‫੊ڦྔܮ‬୯Ljཞ้ᄺᄲ०ࣅথ๭୳ հഗࢅAGCႴ൱ᅜ༵ߛႠీই‫ׯگ‬Ԩă ଷᅃ߲ႜᄽ݀ቛ൵๞๟ྜඇࢽྔ‫ڇ‬ᇮ(ODU)‫؜ڦ‬၄Ljഄዐ ᅃ༹๕࿮၍‫ۙۉ‬዆঴ۙഗĂ๭݀ഗĂਸ࠲/‫ܠ‬ୟްᆩ‫ڇ‬ᇮࢅ ୁଉথ੨ण‫ׯ‬ሞᅃ߲‫܀‬૬‫࢈ڦ‬ጱዐLjժҾጎሞ႑ࡽ໴ईഄ ໱ૌຼ‫ॺڦ‬ዾฉăႎएበCAPEX/OPEXࢅ၄ᆶएበ‫ڦ‬੣क़ ၌዆‫ۯླྀۼ‬ኄᅃ൵๞‫݀ڦ‬ቛă‫د‬ཥ‫ݴڦ‬૗๕ࢽా(IDU)/ࢽ ྔ(ODU)ဣཥॽྲհ/พೕևॲ‫ݣ‬ዃሞODUዐLjཚࡗཞዡ ‫ۉ‬મॽഄᇑยԢ‫(ాݝ‬IDU)‫ڦ‬ଷᅃև‫ݴ‬ဣཥ૶থăཞዡ‫ۉ‬ મፌߛ‫܈׊‬੗‫ٳ‬300௝ժ৊ႜມၠཚ႑Ljཚࡗᅃ߲ມ߾ഗ ॽዐ႐ೕ୲140 MHz‫ڦ‬থ๭ഗዐೕ႑ࡽLjٗೕ୲ዐ႐‫ݴ‬քሞ 340 MHz-400 MHz‫݀ڦ‬ໃഗዐೕ႑ࡽዐ‫ݴ‬૗‫؜‬ઠă ໚඗ኄᅃ൵๞ኵ‫࠲ڥ‬ጀLj‫ڍ‬࿮ஃ๟ణമ࣏๟੗ᇨ९‫ॽڦ‬ ઠLj‫؜ܠٷ‬ऋ‫ྲڦ‬հยԢධ඗๟़ᆶ‫ݴڦ‬૗๕IDU/ODUဣ ཥăኄॽᆶᅮᇀླྀ‫ۯ‬ᅜยऺም૧ᆩྺణ‫ۙ܋ࢫڦڦ‬዆঴ۙ ഗ঳ࠓLjኄ߲঳ࠓኧ‫׼‬ᇱᆶဣཥᅜतူᅃ‫پ‬ODUೝ໼ă߾ ፕሞ1.5 GSPSᅜฉ้ዓ໏୲‫ߛڦ‬໏DACࢅADCरຍ‫ڦ‬৊օ ๑ኧ‫׼‬4096 QAMतᅜฉ‫ߛڦ‬ዐೕQAM႑ࡽ‫ׯࢇڦ‬ᇑຕጴ ࣅ‫ྺׯ‬੗ీăᆶକߛ‫ۯ‬ༀ‫֑ࡗߛࢅྷݔ‬ᄣ୲Ljփৈ࿮Ⴔ๑ ᆩ‫د‬ཥఇెI/Qํแ໯Ⴔ‫ڦ‬ኟ঍ဃֶၯኟLjཞ้๑‫ڥ‬ຕጴ ᇘ‫ܠٷڦ‬ຕ୳հഗᄺ‫ڥ‬ᅜํ၄Ljܸٗ३ณକց‫׋‬໯Ⴔ‫ڦ‬ఇ ె୳հഗࢅຕጴ਩࢚ഗ‫ڦ‬ຕଉăሞ݀พഗ‫ڦ‬႑ࡽୟ০‫܋‬Lj ྺକࢇ‫ټ੻ׯ‬QAM႑ࡽLjAD9142ࢅAD9136ኄᄣ‫ߛڦ‬໏ DACsኟሞ༺‫دپ‬ཥ‫ڦ‬ມཚDACࢅI/Qۙ዆ഗLjփৈ੗ᅜइ ‫ڥ‬ᆫႯ‫ڦ‬EVMႠీ൐࿮Ⴔ‫݀ܔ‬พഗ৊ႜၯኟăሞথ๭ഗ႑ ࡽୟ০‫܋‬Ljీࠕଆࡻ๢ᆌኄၵᆌᆩ൐1.5 GSPSᅜฉ‫ڦ‬ADC ‫׿׿‬ுᆶ‫؜‬၄Lj኱዁ፌৎAD6676݀քă Page 38 MS-2739 ཮1. AD6676ዐೕথ๭ഗጱဣཥ઀཮ AD6676๟ᄽহ๯੼एᇀ‫ټ‬ཚΣ-Δ႙ADC‫੻ټڦ‬ዐೕথ๭ऐ ጱဣཥ(཮1)Ljኧ‫ٳߛ׼‬160 MHz‫ڦ‬ዐೕ႑ࡽ‫੻ټ‬Ljాև้ ዓೕ୲ߛ‫ٳ‬3.2 GHzăΣ-Δ ADC‫֑ࡗߛڦ‬ᄣీ૰०ࣅକዐೕ ఇె୳հ‫ڦ‬ᄲ൱Ljܸኄၵ୳հഗሞ‫֑گ‬ᄣ୲‫ڦ‬ADC๟Ⴔᄲ ᆩઠᅞ዆၎ତ႑‫߅ࢅ(ڢ‬ඡ/ፆ෗)Lj‫ޏ‬ሶኄၵ႑ࡽࣷं۞࣮ ‫ڟ‬IF႑ࡽฉLjܸٗ३ၭକথ๭ഗଳ௺‫܈‬ႠీăଷྔLjਏᆶ –160 dBFS/Hz‫ڦ‬NSD‫(ڹ‬቏‫੻ټ‬QAM႑‫ڦ)ڢ‬ADCߛ‫ۯ‬ༀ‫ݔ‬ ྷࣷ३ณມ߾݀ໃথ๭ऐ‫߰ڦ‬૗ᄲ൱ईປ३ց‫ڦ׋‬ఇె AGC‫ྷݔ‬ăAD6676Ԉࡤᅃ߲ೌฉ27 dBຕጴປ३ഗLj৛‫܈‬ ྺ1 dBLjᆩᇀၯኟ‫؛‬๔ഗॲࠅֶࢅཞዡ‫ۉ‬મ໦ࡼՎࣅᆅഐ ‫ৢڦ‬ༀሺᅮဃֶă ࿢்ံઠੂᅃူAD6676ዐೕথ๭ഗጱဣཥၹཞAD9136ኄ ᄣ‫ߛڦ‬໏DACLj๟සࢆट‫ٷ‬०ࣅ‫د‬ཥIDU๭݀ഗժཞ้༵ ߛ໲‫ڦ‬Ⴀీ‫ڦ‬ă཮2ฉ֫থ๭ഗ૾ୟ၂๖ᅃ߲኱থገ࣑‫ݛ‬ ๕Ljᆩઠኧ‫׼‬140 MHzࢅ400 MHz‫ۆڦ‬႙‫گ‬ዐೕথ๭ഗࢅ๭ ݀ഗă኱থገ࣑๭݀ഗॐࠓ‫ڦ‬཈቟ᆶ࿔‫ڗ‬੗ֱLj‫ڍ‬੗ᅜཚ ࡗI/Qೝ࢚ၯኟĂ኱ୁೋዃၯኟĂ੗ۙবए‫ټ‬I/Q୳հLjᅜ तᅞ዆݀พഗ୑႑ࡽ‫ڦ‬ມ߾ഗยऺ৊ႜਖ਼‫ޜ‬ă඗ܸኧ‫׼‬ፌ ‫ٷ‬56 MHz႑‫ࢅ੻ټڢ‬256 QAM‫دڦ‬ཥIDUথ๭ഗᅙঢ়ଉׂLj ැႴᄲ߸‫ٷ‬ඹଉܸॽ႑‫੻ټڢ‬ሺे2ԠLjQAM‫ڪ‬प༵ื8Ԡ ‫ۼ‬๟‫ܔ‬኱থገ࣑ॐࠓ‫ڦ‬ዘ‫ٷ‬཈቟ăߛ໏ADC/DACरຍፌ ႎ৊ቛᆶྭᆯຕጴࣅIDUൽ‫دپ‬ཥ‫݆ݛ‬Ljස཮2໯๖ă཮2 ူӷև‫ݴ‬๭݀ഗ‫ݛ‬ӄৈႴ4߲ICsLjਏᆶ၂ዸ੻຿‫୳ڦ‬հᄲ ൱Ljํ၄ৎࢭྜெ‫ڦ‬Ⴀీă Digital Modem AD9122 I DAC Q DAC 12-bit, 170-250 MSPS AD9613 I ADC Q ADC 12-bit, 170-250 MSPS IQ DAC ”Image Reject”Filers ADRF6755 IQMOD ”LO Harmonic Reject” Filter IQ MOD PLL/VCO HMC740 Loopback ADRF6516 XPIC BB-Filter & VGA ADRF6806 IQ DEMOD PLL/VCO Diplexer 400 MHz ADL5336 VGA Rx IF Loopback 140 MHz IQ @ 200MSPS AD9136 QDUC +NCO DAC 16-bit, 8x Int 1.600 GSPS Digital Modem AD6676 IQ @ 200MSPS QDDC +NCO ADC 3.2 GSPS Balun+ DAC ”Image Reject” Filter HMC740 200 MHz CLK Balun HMC740 Loopback “Simple Diplexer” 400 MHz 140 MHz ཮2. ၄ᆶ“኱থገ࣑”IDU๭݀ഗࠓॐᇑ๑ᆩߛ໏ DAC/ADC‫ڦ‬TxĂRx QAM႑ࡽ኱থຕጴࢇ‫ׯ‬त ຕጴࣅ‫ڦ‬IDU๭݀ഗࠓॐ‫ڦ‬Բড ሞ݀ໃഗ֨Ljၟ߾ፕሞ1.6 GSPS้ዓ໏୲ူAD9136ኄᄣ‫ڦ‬ ߛ໏DAC੗ᅜࢇ‫ׯ‬ᅃ߲EVMႠీᆫᅴ൐ᅜዐೕྺዐ႐ೕ୲ ‫ڦ‬112 MHzLj1024 QAM႑ࡽLjኄᄣ੗ᅜॽ‫ܠ‬ຕ݀ໃഗ૾ୟ ဃֶᇨ໙ᇨାߴODU(ഄዐ၎࿋ሯำࢅ၍Ⴀ‫ेેڦ‬ၳᆌॽ ‫ڞ‬ዂ‫ܠٷ‬ຕEVM‫ڦ‬ই‫)گ‬ăཞ้Ⴔᄲᅃ߲‫گ‬ཚ୳հഗઠᅞ ዆1.2 GHz‫ڼڦت‬ᅃ߲DAC৥ၟۚ஌Lj၎‫ܔ‬Ⴔᄲ୳‫أ‬஌ሞ 1.2 GHz‫ڦت‬I/Qۙ዆ഗ‫ڦ‬ෙْLO৥ၟ‫ڦ‬ၿհᅞ዆୳հഗLj ੗ᅜ‫ڟ੻ݣ‬12 dBăᆩઠਖ਼‫ޜ‬၍મ໦ࡼ‫݀ڦ‬ໃࠀ୲੦዆ᅙሞ AD9136ዐํ၄LjQAM႑ࡽEVMႠీ‫ࡗג‬15 dB‫ྷݔ‬Ljປ३ ੗ࢮ୼ă ሞথ๭ഗ֨Lj112 MHzLj1024 QAM႑‫ڢ‬ԥAD6676ᅜਏᆶጝ ሁ‫ۯڦ‬ༀ‫ࢅྷݔ‬৛ඓႠઠ৊ႜຕጴࣅLjन๑٪ሞ‫ٷ‬ଉᅺມ ߾୳հഗ੻‫ټݘ‬ઠ‫دڦ‬๼୑႑ࡽLjස཮3໯๖ăሞኄ߲๖ ૩ዐLjAD6676‫ڦ‬ದዃኧ‫׼‬112 MHz‫੻ټ‬Ljഄປ३ഗยዃྺ 3 dBLjኄᄣ๑‫ڥ‬৊෇HMC740മዃ‫ٷݣ‬ഗዐᆶၳ‫ڦ‬RTI NFԍ ‫׼‬ሞ10 dBፑᆸă཮3ዐፑ൸၍๟AD6676 Σ-Δ႙ADCຕ਍๼ ‫੺ڦ؜‬໏‫ޱ‬૛ᄾՎࣅ঳ࡕ(ৈᆩᇀᄇ๖ణ‫)ڦ‬LjഄዐLj݀พ ഗ–26 dBm୑႑ࡽዐ႐ሞ400 MHzLjंࢇକᅃ߲143 MHz‫ت‬ –17.2dBm‫૶ڦ‬Ⴤ‫ڇ‬ᅼ႑ࡽፕྺ‫پ‬՗ă Page 39 ጀᅪLj੗ۙব‫ټ‬ཚΣ-Δ႙ADC‫ࠦڦ‬ᆶሯำኝႚሞዐ႐࿋ ᇀ೺ྭዐೕ‫ۯߛڦ‬ༀ‫ྷݔ‬൶ᇘా๟ๆ‫ݴ‬௽၂‫ߛ(ڦ‬዁ –160 dBFS/Hz)ă཮ෙዐ‫ڦ‬ᆸ֨൸၍๟ᅜዐೕ႑ࡽྺଭዐ႐ ‫ڦ‬16࿋Lj200 MSPS I/Qຕ਍ঢ়ࡗຕጴገ࣑ࢅ16×؏ᄣ୳հࢫ ‫੺ڦ‬໏‫ޱ‬૛ᄾՎࣅ঳ࡕăጀᅪLjຕጴ୳հഗ༵ࠃ‫ڦ‬+85 dB ᅞ዆ᆩઠඁ‫ྔټأ‬ሯำࢅं۞‫ڟ࣮ݓ‬112 MHzཚ‫݀ڦټ‬พ ഗ୑႑ࡽă஌ሞ112 MHzཚ‫ټ‬ᅜྔ‫֘ڦ‬ᇆኝႚሯำᆯۙ዆ ঴ۙഗ‫ڦ‬RRC୳հഗඁ‫أ‬ă –2 dBFS‫૶ڦ‬Ⴤ‫ٷ‬႑ࡽ֪๬ཉॲူ‫ాټڦ‬ሯำ๟–68.6 dBFSă සࡕᆩ‫ރ‬ኵ‫ڟ‬਩‫ߵݛ‬ኵྺ10 dB‫ڦ‬ඇԲ૩1024 QAM Rx႑ࡽ ઠ༺‫૶پ‬Ⴤ‫ڇ‬ᅼLjሶႴᄲ7 dB‫ཽ࣮ྔܮڦ‬ઠ‫ݞ‬ኹADCऑՎă ኄዖ൧઄ူLjথ๭ഗIDU‫ڦ‬๼෇ࠀ୲ॽሞ–9 dBFS(ईኁ –24.2 dBm)Ljॺᅱথৎ60 dB‫ڦ‬CNRăኍ‫ܔ‬ມ߾୳հഗ‫ڦ‬० ࣅยऺLj‫ړ‬മມ߾݀ໃഗ‫ڟ‬থ๭ഗ‫ڦ‬ᅞ዆‫ٷ‬ዂ୼ྺ20 dBLj ᅜُᅞ዆–6 dBm‫ڦ‬থ๭ഗ႑ࡽLjᅺُമዃ‫ٷݣ‬ഗ๼෇ࣷ‫؜‬ ၄–26 dBmă‫ܔ‬ᇀIDUࢅODUኮक़ᆶড‫ۉ܌‬મևຈ‫ڦ‬൧઄Lj AD6676‫ڦ‬ປ३ഗ੗ᅜሺഽᅜඹႹODUਏᆶ߸ߛ‫ڦ‬QAMă MS-2739 ‫ݥ‬೺ྭ‫ڦ‬ତৎ႑ࡽ‫؜‬၄้LjႴᄲሞ‫گ‬ଳ௺‫(܈‬BER < 10-6Lj ‫ټ‬FFC๑ీ)้࣬ްQAM႑ࡽ‫ڦ‬IDUথ๭ഗీ૰๟ᅃ߲‫׉ݥ‬ ዘᄲ‫ڦ‬ኸՔă੗ీፌ੏ਗ਼‫֪ڦ‬๬(ߵ਍ETSIEN 301 390 V1.2.1) ๟ǖᅃ߲ਏᆶԲQAM႑ࡽߛ30 dBీଉ‫૶ڦ‬Ⴤ߅ඡ‫ڇ‬ᅼ(ፆ ܏)ԥ‫ݣ‬ዃሞ໯೺ྭQAM႑ࡽ‫ڦ‬2.5×႑‫ڢ‬ೋዃ‫ت‬ăጀᅪǖ ၄ৃথ๭ഗዐ๑ᆩ‫ڦ‬੗ۙईਸ࠲ፇ୳հഗ‫ܠٷ‬ᆯኄᅃࡀ߭ ൻ‫ۯ‬Ljኄ๟ᅺྺۙ዆঴ۙഗՂႷኧ‫׼‬3.5 MHz‫ڟ‬56 MHz‫ڦ‬ ႑‫੻ټڢ‬ăኮമ‫ڦ‬๖૩‫پ‬՗କူᅃ‫پ‬112 MHz႑‫੻ټڢ‬Lj ࿢்੗ᅜ्ยତৎ‫૶ڦ‬Ⴤ߅ඡԥ112 MHzᅜฉ‫ۨࠦڦ‬႑‫ڢ‬ ୳հഗᆶၳᅞ዆LjժሞODU RF૾ୟాፌࢫᅃْገ࣑ྜ‫ׯ‬മ ํ၄৥ၟᅞ዆ă๚ํฉLjኄᅃ୳հഗධྺ28 MHz‫ڟ‬56 MHz ႑‫ࠃ༵੻ټڢ‬70 MHz‫ڟ‬140 MHzೋዃ‫ڦ‬ᆶၳፆ߰ᅞ዆ăැ ႑‫ྺ੻ټڢ‬14 MHzई߸‫گ‬Lj૶Ⴤ‫ڇ‬ᅼॽࣷ஌ሞ୳հഗ‫ڦ‬ཚ ‫ྷݔټ‬ዐLjᅺُႴᄲሞ140 MHz‫ت‬ሺे‫ټྔܮ‬ཚ୳հഗઠ ৊ႜᅞ዆LjईᆯADC৊ႜຕጴࣅࢫምຕጴ୳հă ཮3. ၎‫ܔ‬ଭዐೕLj‫ټ‬AD6676‫ڦ‬HCM740ፇ‫ڦׯ‬RX ૾ୟሞຕጴገ࣑ኮമኮࢫ‫ۯڦ‬ༀీ૰֪๬ Page 40 MS-2739 ཮4. ཚࡗඹႹড‫ڦٷ‬၎ତ߅ඡ‫݆ݛڦ‬Lj AD6676‫ۯߛڦ‬ༀ‫ྷݔ‬०ࣅକRx୳հᄲ൱ एᇀAD6676‫ڦ‬IDUথ๭ഗॐࠓਏᆶन้‫ۯ‬ༀ‫ྷݔ‬Ljኧ‫׼‬࿮ ‫୳ྔܮ‬հഗ‫ݛڦ‬ӄă཮4၂๖କᇑ཮3၎ཞথ๭ഗ૾ୟ‫ڦ‬ AD6676੺໏‫ޱ‬૛ᄾՎࣅ‫ڦ‬ೕ୲ၚᆌLjྸᅃ൶՚ሞᇀΣ-Δ႙ ADC‫ڦ‬੗ۙ‫੻ټ‬ই‫گ‬዁56 MHzăሞኄᅃ๖૩ዐLj 175 MHz (ई35 MHzೋዃ)‫–ڦت‬32 dBm ૶Ⴤ‫ڇ‬ᅼ(ई–32 dBmೋዃ)ॽ ሺे‫ڟ‬400 MHz‫ت‬٪ሞ‫–ڦ‬26 dBm‫د‬๼୑႑ࡽฉă૶Ⴤ‫ڇ‬ᅼ ၚᆌሞAD6676੗९‫–ڦ‬17 dBFS๼෇຤ೝ‫ڪ‬पLjժሞፌ‫گ‬ଳ ௺‫(܈‬CNR = 36 dB)้‫ڦ‬ยዃԲ–47 dBFSĂ1024 QAMߛ30 dBă ૶Ⴤ߅ඡ‫ڇ‬ᅼ‫ྔܮ‬ሺे15 dBLjሶ཭‫ࡗڦ؜‬ยऺᇧଉ੗ీᆶ ዺᇀྲհ/พೕ‫ۉ‬ୟ‫ڦ‬ሯำ‫ݴ‬ದăሞுሯำፆ߰ഗ‫ڦ‬൧઄ ူLj೺ྭ‫ڦ‬1024 QAM႑ࡽ੗ీሺे38 dBLjܸٗྺIDUথ๭ ഗ༵ࠃ‫ۯڦྔܮ‬ༀ‫ྷݔ‬ᅜ‫ت‬૙႑ࡽປ३ă ࢚พೕंೕഗĂዮසHMC966‫ྲڦ‬հ৥ၟᅞ዆ंೕഗࢅዮ සADL5246พೕVGAፇ‫ׯ‬ăጀᅪǖഄᇆ6 GHz዁43 GHz‫ݔ‬ ྷ‫ྲڦ‬հ‫੻ټ‬੗ᅜ჋ስփཞྲհ৥ၟᅞ዆ंೕഗĂྲհ໮ ၎࣍ࢅ੗ీ‫ڼڦ‬ᅃ߲ዐೕೕ୲ăሞுᆶ‫ۉ‬મ၌዆ዐೕ჋ስ ‫ڦ‬ඇUDU൧઄ူLj੗ᅜॽAD6676ยዃ‫ׯ‬ডߛ‫ڦ‬ዐೕೕ ୲LjԲස300 MHzLjᅜ৊ᅃօ०ࣅ৥ၟᅞ዆‫ڦ‬พೕ୳հഗ ᄲ൱ăසࡕඪࢆंೕഗሗො‫ݴ‬ଉ߸‫ٷ‬LjሶႴᄲ‫ྔܮ‬ᅞ዆Lj AD6676੗ᅜᇑRFंೕഗ኱থথ੨Ljईཚࡗ०‫ڦڇ‬ෙْ‫گ‬ཚ Ⴊೝ୳հഗথ੨ă1960 MHz‫ڦ‬RF୳հഗጆᆩᇀኧ‫׼‬ፌߛ዁ 112 MHz‫ڦ‬႑‫੻ټڢ‬ăසࡕॽAD6676‫ڦ‬ປ३ഗยዃྺ0 dBLj ሞ56 MHz‫੻ټڦ‬႑‫ڢ‬ฉLjADL5801ࢅAD6676‫ׯࢇڦ‬ሯ‫ॽڹ‬ ࣷ‫گ‬ᇀ–157 dBFS/HzLj‫ڪ‬ၳNFྺ17 dBăADL5246ࢅHMC966 ఐණጺገ࣑ሺᅮ੗ᅜᇑADL5801/AD6676न้‫ۯ‬ༀ‫ྷݔ‬ᅃ ഐ৊ႜ‫؛‬๔ᆫࣅLjࠤܸຕጴ঴ۙഗጕጷ‫؛‬๔ປ३(ᆯՔ‫ڦ׬‬ থ๭ഗ๼෇‫ۉ‬ᇸ‫)ت‬ă੗ᅜยዃADL5246‫ڦ‬ពኵLjᅺُ‫ړ‬঴ ۙഗথ๭ഗ‫ڦ‬BER‫گ‬ᇀ༬ۨQAM႑ࡽ‫ڦ‬ᇨย຤ೝᅜူ้ਸ ๔ሺेሺᅮăኄᅃंࢇ‫݆ݛ‬ኻࣷሞ๼෇႑ࡽ‫้گ׉ݥ‬घऄ RF AGCLjᅜُ߀฀থ๭ഗ‫ڦ‬ፌ‫گ‬ଳ௺‫܈‬ă ጺ঳ǖ ူᅃ‫ྲپ‬հ‫ۅܔۅ‬থ๭ഗႴᄲኧ‫׼‬3.5 MHz‫ڟ‬112 MHz႑‫ڢ‬ ‫੻ټ‬Ljᆛᆶߛ‫ۯ‬ༀ‫ྷݔ‬Ljܸٗሞ߸੻‫ڦ‬ປ३Չহాኧ‫׼‬ሁ ઠሁߛ‫ڦ‬M-QAMăAD6676ዐೕথ๭ഗጱဣཥీ๑೵ཚ‫ڦ‬ ྲհ‫ۅܔۅ‬ೝ໼ኧ‫़׼‬ᆶ‫ڦ‬IDU/ODU‫ݴ‬૗๕ဣཥࢅඇႎ‫ڦ‬ ODUೝ໼ă‫ܔ‬ᇀIDU/ODU‫ݴ‬૗๕ဣཥLjഄ཭‫ۯߛڦ؜‬ༀ ‫ྷݔ‬੗ᅜሞဣཥ‫؜‬၄ଣৎ‫߅ڦ‬ඡ႑ࡽ้LjփႴᄲްሗ੗ۙ ईಕ‫ڦٷ‬ਸ࠲ፇ୳հഗLj৽੗ᅜԍኤᆫႯ‫ۙڦ‬዆৛‫܈‬ (EVM)ăܸ‫ܔ‬ᇀྜඇ‫ڦ‬ODUဣཥLjᆛᆶߛຨ้‫ۯ‬ༀ‫ټ(ྷݔ‬ ंೕഗ኱থথ੨)ই‫گ‬କጕጷປ३໯Ⴔᄲ‫ڦ‬RF AGC‫ྷݔ‬Ljժ ०ࣅକRF୳հᄲ൱ăAD6676ྺ4.3 × 5.0 mmĂ80ᆅগWLCSP ‫ހ‬ጎLj੗ᅜሞ2.5 Vई1.1 V‫ۉڦ‬უူ߾ፕă ཮5. AD6676ዐೕথ๭ഗᄺ੗ᆩሞߛႠీ ODU Rx‫૾ڦ‬ୟยऺዐ AD6676༵ࠃߴIDUยऺ‫ۯߛڦ‬ༀ‫ྷݔ‬ᆫ๞Ljኄᄺ‫ܔ‬ODUথ ๭ഗ‫ڦ‬ยऺᆶ૧ă཮5၂๖କAD6676සࢆᆌᆩᇀ18 GHz዁ 23 GH‫ڦ‬ODUথ๭ഗ૾ୟLj޿૾ୟᆯᅃ߲ዮසADL5801਩ Page 41 ࠲ᇀፕኁ Paul!Hendriks߾ፕ‫ں‬ሞக෗ዮ෗ዝྰܻ௽‫ܙ‬Lj๟ADIߛ໏ገ ࣑ഗׂ೗၍ߛपᆌᆩ߾‫ײ‬฾Ăׂ೗၍ঢ়૙ăሞࡗඁ20౎ዐLj Paulጆጀᇀ࿮၍Ăᆶ၍ཚრᆌᆩ‫ߛڦ‬໏ገ࣑ഗׂ೗‫ڦ‬๑ᆩ ࢅׂ೗ۨᅭăٗ1989౎े෇ADIਸ๔LjPaulጉႀࡗ‫ٷ‬ଉ࿔ ቤLjᆌᆩԴऻLjยऺາୟतׂ೗ຕ਍๮֩ăPaulᇀ1986౎ इ‫ڥ‬McGill ‫ٷ‬ბ‫ۉ‬ጱ߾‫ײ‬ბ๗ბ࿋ă MS-2739 TA12800sc-0-11/14 Page 42 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2740 ሯำೕ೷௢‫܈‬ǖሞ෉ॲۨᅭဣཥዐ ֱੂຕ਍ገ࣑ഗႠీ‫ํڦ‬ᆩ‫݆ݛ‬ ፕኁǖDavid RobertsonLjׂ೗၍ጺ॔ǗGabriele ManganaroLj߾‫ײ‬ጺ॔LjADIࠅິ փ܏‫ߛڦ޷ݿ‬໏ࢅटߛ໏ADCᅜतຕጴ‫ت‬૙ׂ೗ኟ๑ࡗ֑ ᄣ‫ࢅټ੻ྺׯ‬พೕဣཥ‫ํڦ‬ᆩॐࠓ‫݆ݛ‬ăӷ‫༹ڞ‬रຍ৊օ ྺ༵ื໏‫܈‬ᅜतই‫ׯگ‬Ԩፔ‫؜‬କዮ‫ࠋܠ‬၅(Բසॏ߭Ăࠀࡼ ࢅ‫ۉ‬ୟӱ௬ओ)Lj੗ඟဣཥยऺටᇵ๑ᆩ੻‫ټ‬ገ࣑ഗ༑໭ገ ࣑ᇑ‫ت‬૙႑ࡽ‫߳ڦ‬ዖ‫ݛ‬๕ăኄၵरຍ߀Վକ࿢்‫ܔ‬႑ࡽ‫ت‬ ૙‫ڦ‬ණ๎Ljᅜत࿢்჋ስׂ೗‫ݛڦ‬๕ă Ԩ࿔ຫ௽සࢆ࠵ִሯำೕ೷௢‫(܈‬NSD)तഄሞణՔೕ܎ా ‫ݴ‬քీࠕᆶዺᇀኸ‫ڞ‬ဣཥยऺටᇵ჋ስፌࢇ๢‫ڦ‬ገ࣑ഗă ‫ت‬૙ሺᅮǖ࿢‫ڦ‬ణՔೕ܎ాᆶ‫ܠ‬ณሯำǛ ੊୯཮1ዐ‫ڦ‬०ࣅ൧઄ă࿢்‫ڦ‬ADC้ዓྺ75 MHzLjժሞ๼ ‫؜‬ຕ਍ฉሏႜFFTLjᅺُ࿢்ੂ‫ڦڟ‬ೕ೷ྺٗ኱ୁ‫ڟ‬37.5 MHză ࿢்‫“ڦ‬ణՔ႑ࡽ”๟ྸᅃ‫ٷڦ‬႑ࡽLj൐ಸേ࿋ᇀ2 MHz޹ৎă ኸۨຕ਍ገ࣑ഗ‫ڦ‬႑ሯԲ(SNR)ࢫLj໲ॽኸ๖ᇑഄ໱໯ᆶ ೕ୲֞ዐ‫ڦ‬ጺሯำࠀ୲၎Բ‫ڦ‬஢ଉ‫ײ‬႑ࡽࠀ୲ă‫ܔ‬ᇀӣሯ ำ(‫ٷ‬և‫ݴ‬൧઄ူԈࡤଉࣅሯำࢅඤሯำ)ܸჾLjሯำ਩ሌ ‫ݴ‬քሞገ࣑ഗ‫ڦ‬లઊຯ༬ೕ܎ాǗԨ૩ዐྺ኱ୁ዁37.5 MHză සࡕ࿢்ኪ‫ڢ‬႑ࡽሞన૛(Ԩ૩ዐྺ኱ୁࢅ4 MHzኮक़)Lj৽ ੗ᅜᆌᆩຕጴࢫ‫ت‬૙LjᅜՍ୳‫أ‬ईඁ‫أ‬ᅃൎߛᇀ4 MHz‫ڦ‬ೕ ୲(ৈԍ‫઀ࢤ׼‬ዐ‫ాڦ‬ඹ)ăኄዖ൧઄ူLj࿢்ॽ۪ച7/8ሯ ำLjԍା໯ᆶ႑ࡽ——ܸٗSNR߀฀କ9 dBă࣑ჾኮǖසࡕ ࿢்ኪ‫ڢ‬႑ࡽॽ๟ೕ܎‫ڦ‬ᅃӷLjఫ஺࿢்৽੗ᅜ۪ചଷᅃ ӷೕ܎Ljժৈৈၩ‫أ‬ሯำ——๑SNR߀฀3 dBăኄ৽ᆅ‫؜‬କ ࿢்໯ຄဒ‫ڦ‬ঢ়ᄓ݆ሶǖ٪ሞӣሯำ้Ljࡗ֑ᄣ႑ࡽ‫تڦ‬ ૙ሺᅮSNR੗߀฀3 dB/8Ԡೕ‫ײ‬ăሞฉ૩ዐLj࿢்ॽُरേ ᆌᆩ‫ڟ‬ෙ߲8Ԡೕ‫ײ‬ዐ(ဣຕྺ8)Lj๑SNR߀฀କ9 dBă ཮1. 9 dB‫ت‬૙ሺᅮ‫཮ڦ‬ႚ՗๖ǖ ԍାඇև႑ࡽLj۪ച7/8ሯำ ‫ړ‬඗Lj࿢்ᅪ๎‫ڟ‬Ljසࡕ႑ࡽ‫ت‬ᇀ኱ୁࢅ4 MHzኮक़గ‫ت‬Lj ఫ஺࿢்৽փႴᄲ75 MSPSઠ՗๖႑ࡽǖ9 MSPS዁10 MSPS ॽ஢ፁలઊຯ༬֑ᄣۨ૙‫ڦ੻ټܔ‬ᄲ൱ă࿢்ీࠕໜ้ᅜ 8x؏ൽ75 MSPS֑ᄣຕ਍Ljׂิ9.375 MSPSᆶၳຕ਍໏୲Lj ཞ้ԍାణՔೕ܎ా‫ڦ‬ሯ‫ڹ‬ăኟඓ৊ႜ؏ൽ࢔ዘᄲ——ස ࡕኻ๟௅8߲ᄣԨ۪ച7߲Ljఫ஺ሯำࣷች۠ईं۠‫࣮ݓ‬ణ Քೕ܎ాLjܸ࿢்փࣷइ‫ڥ‬ඪࢆSNR‫߀ڦ‬฀ă࿢்ՂႷံ୳ հLj඗ࢫም؏ൽLj֍ీํ၄‫ت‬૙ሺᅮăጀᅪLjྜெ‫ڦ‬ጇ഻ ୳հഗࣷၩ‫أ‬ᅃൎሯำLj๼‫؜‬૙ၙ3 dB/8Ԡೕ‫تײ‬૙ሺᅮă ሞ၄ํዐLj໯Ⴔ‫୳ڦ‬հഗፆ‫ټ‬ᅞ዆ଉᇑ๬཮ํ၄‫ܠ‬ณ‫ت‬૙ ሺᅮ‫ࡧׯ‬ຕ࠲ဣă टྺዘᄲ‫ڦ‬๟LjႴණ๎‫“ڟ‬3 dB/8Ԡೕ‫”ײ‬ঢ়ᄓ݆ሶ๟एᇀӣ ሯำ‫ڦ‬ኄᄣᅃ्߲ยăኄ๟ᅃ߲ࢇ૙‫्ڦ‬ยLj‫ڍ‬ժ‫ݥ‬๢ᆩ ᇀᅃൎ൧઄ăᅃ߲ዘᄲ‫ڦ‬૩ྔ൧઄๟‫ۯ‬ༀ‫ྷݔ‬๴၌ᇀ‫ݥ‬၍ Ⴀ‫܈‬ईഄ໱ሗොăሞኄၵ൧઄ူLj“୳հժ۪ച”‫݆ݛڦ‬੗ ీ࿮݆঴ਦ၌዆Ⴀీ‫ڦ‬ሗො࿚༶ăሞ཮4๖૩ዐLj࿢்ੂ ‫ْܾڟ‬ၿհሗො๟ዷᄲ‫ڦ‬ሗොLj໲஌ሞࢤ઀ా——ᅺُ‫ړ‬ ࿢்ཚࡗ‫ت‬૙ሺᅮํ၄9 dB SNR߀฀้LjSFDRժ࿄߀฀ă ူ࿔ዐLj࿢்ॽ੊୯ሯำኝႚገ࣑ഗ‫ڦ‬༬๺൧઄Ǘሞኄዖ ൧઄ူLj‫ت‬૙ሺᅮ੗ᇺߛᇀ3 db/8Ԡೕ‫ײ‬ă Page 43 MS-2740 ॽSNRࢅ֑ᄣ໏୲ገ࣑ྺሯำೕ೷௢‫܈‬ ‫ړ‬ೕ೷ዐ٪ሞ‫߲ܠ‬႑ࡽ้——ԲසFMೕ܎ా‫ۉ߲ܠڦ‬ ໼——࿚༶৽Վ‫ڥ‬ᇠ݀ᆶ඀କăැᄲ࣬ްඪᅃ႑ࡽLj࿢் ᅪ๎‫ڟ‬Ljຕ਍ገ࣑ഗ‫ڦ‬ጺሯำժփዘᄲLjዘᄲ‫ڦ‬๟஌෇ణ Քೕ܎ా‫ڦ‬ገ࣑ഗሯำຕଉăຕጴ୳հࢅࢫ‫ت‬૙ॽࣷၩ‫أ‬ ໯ᆶ‫ྔټ‬ሯำă ӄ૩ ֑ᄣ ໏୲ లઊຯ SNR NSD 50 MHz ༬‫( ੻ټ‬dB) (dBFs ೕ܎ (MHz) Hz) SNR (dB) 50 MHz‫੻ټ‬ ࡗ֑ᄣ୲ ኄ‫ڞ‬ዂ࿢்࠵ִ‫ڟ‬ᆶ‫ܠ‬ዖ‫݆ݛ‬੗ᅜ३ณ஌෇ࢤ઀ా‫ڦ‬ሯำຕ ଉă࿢்੗ᅜ๑ᆩਏᆶ߸ॅSNR(ሯำ߸‫ڦ)گ‬75 MHz ADCLj ᄺ੗ᅜ๑ᆩ၎ཞSNR‫ڦ‬ADCժ༵ࠃ߸੺‫้ڦ‬ዓ(Բස150 MHz)Lj ܸٗॽሯำ‫ݴ‬քሞ߸੻‫ా੻ټڦ‬Lj๑ࢤ઀ా‫ڦ‬ሯำ߸ณăԲ ডኄଇዖ൧઄Lj੗ᅜੂ‫ڟ‬LjփཞSNR‫ڦ‬ଇ߲ገ࣑ഗॽሞࢤ઀ ా༵ࠃ‫ڪ‬ଉ‫ڦ‬ሯำ(एᇀփཞ‫֑ڦ‬ᄣ໏୲)ă၄ሞ࿚༶ઠକǖ සᄲ੺໏Բডገ࣑ഗᅜඓۨࢤ઀ా‫ڦ‬ႠీLjᆶுᆶԲSNR߸ ࡻ‫߭ࡀڦ‬Ǜ ӄ૩ ՗1. ߀Վ70 dB ADC‫֑ڦ‬ᄣ໏୲ ֑ᄣ໏୲ లઊຯ (GSPS) ༬‫੻ټ‬ ࿋ຕ* SNR NSD (dB) (dBFs/ Hz) 1 MHz ೕ܎ SNR (dB) ُ้৽ࣷᆩ‫ڟ‬ሯำೕ೷௢‫(܈‬NSD)ăཚࡗॽሯำኸۨྺೕ ೷௢‫(܈‬ཚ‫׉‬ᅜ၎‫ܔ‬௅ࢍጦ‫ڦ‬஢ଉ‫ݴ੻ټײ‬Ԟຕྺ‫ڇ‬࿋Ljन dBFs/Hz)Lj࿢்੗ᅜ“ࡃᅃࣅ”փཞADC֑ᄣ໏୲‫ڦ‬൧઄Lj ܸٗඓۨన߲ഗॲሞణՔ൧઄ူ੗ీਏᆶፌ‫گ‬ሯำă՗1 ॠֱକ70 dB SNR‫ڦ‬ຕ਍ገ࣑ഗLjժኸ‫؜‬କໜጣ֑ᄣ໏୲ٗ 100 MHz༵ߛ‫ڟ‬2 GHzLjሯำೕ೷௢‫߀ڦ܈‬฀ă՗2၂๖କև ‫ݴ‬Ⴀዊटྺփཞ‫ڦ‬ገ࣑ഗ‫ܠڦ‬ዖSNRࢅ֑ᄣ໏୲ፇࢇLj‫ڍ‬ ໯ᆶፇࢇ‫ۼ‬ਏᆶ၎ཞ‫ڦ‬NSDLjᅺُ௅ᅃዖፇࢇሞ1 MHzཚ‫ڢ‬ ా‫ॽۼ‬ਏᆶ၎ཞ‫ڦ‬ጺሯำăሞᅃ߲‫د‬ཥ‫ڇڦ‬ሜհဣཥዐLj ๑ᆩ10 GSPSገ࣑ഗվጛ1 MHz႑ࡽຼࢭ࢔ࣂऒLj‫ڍ‬ሞ‫ܠ‬ሜ հĂ෉ॲۨᅭဣཥዐLjఫඓํ๟౞੗ీࣷፔ‫ڦ‬๚൧ăૌຼ ‫ڦ‬๖૩๟ᆶ၍ऐ‫——࢈ۥ‬໲்੗ీ֑ᆩ2.7 GSPS዁3 GSPSྜ ኝೕ೷ۙၿഗվጛཞዡ‫ۉ‬મ‫ڦ‬๼‫؜‬႑ࡽLjᅜՍ࣬ް6 MHz ‫ۉ‬ ๫ཚ‫ڢ‬ă 10዁12 ՗2. SNR बዖटྺփཞ‫ڦ‬ገ࣑ഗ਩ሞ1 MHz ‫ࠃ༵ా੻ټ‬95 dB SNRǗSNR‫ऺڦ‬໙्ۨྺ ӣሯ‫(ڹ‬࿮ሗොᆖၚ)ă ‫ܔ‬ᇀຕ਍ገ࣑ഗܸჾLjሯำೕ೷௢‫ڇڦ܈‬࿋ཚ‫ྺ׉‬dBFS/Hz (၎‫ܔ‬ᇀ௅Hz஢ଉ‫ڦײ‬dBLj໲๟ᅃዖ၎‫ڦܔ‬ଉ‫)܈‬Ljᅃۨ‫ײ‬ ‫܈‬ฉ༵ࠃକሯำ‫ۉ‬ೝ“ችࢇ‫ڟ‬๼‫ڦ”؜‬ଉ‫܈‬Ǘईኁ֑ᆩ dBm/Hzྺ‫ڇ‬࿋(नdB-mW/Hz)Ǘฯ዁੗ᅜ֑ᆩdBm V/Hz(न dB-mV/Hz)ઠ༵ࠃ߸ྺਨ‫ڦܔ‬ଉ‫܈‬Ljईኁ՗๖ຕ਍ገ࣑ഗ ችࢇ‫ڟ‬๼෇‫ڦ‬ሯำăSNRĂ஢ଉ‫ۉײ‬უĂ๼෇ፆੇࢅలઊ ຯ༬‫࣏੻ټ‬੗ᆩઠऺ໙ADC‫ڦ‬ᆶၳሯำဣຕ——ᅃዖ၎‫ړ‬ ްሗ‫ऺڦ‬໙Lj֖९֖੊࿔၅MT-006ă ࡗ֑ᄣᆫ๞ ሞডߛ‫֑ڦ‬ᄣ໏୲ူ๑ᆩఇຕገ࣑ഗཚ‫׉‬ᅪ࿆ጣডߛ‫ࠀڦ‬ ࡼ——࿮ஃ๟ADCጲวई๟ࢫჄຕጴ‫ت‬૙ă՗1၂๖ࡗ֑ ᄣඓํ߀฀କNSD——‫ڍ‬ኄᄣፔኵ‫ڥ‬஘Ǜස՗2໯๖Lj๑ᆩ ሯำড‫ڦگ‬ገ࣑ഗᄺీํ၄NSD‫߀ڦ‬฀ăվጛ‫ܠ‬ሜհ‫ڦ‬ဣ ཥႴ߾ፕሞডߛ‫֑ڦ‬ᄣ໏୲ူLjᅺُႴ‫ܔ‬௅ᅃ߲ሜհ৊ႜ ࡗ֑ᄣă඗ܸLjࡗ֑ᄣ࣏ਏᆶഄ໱‫ܠ‬ዖᆫ๞ă +ጀᅪLjገ࣑ഗ‫ํڦ‬ा‫ݴ‬Ր୲੗ీᇺߛᇀᆶၳ࿋ຕǗ࢔‫ܠ‬ገ࣑ഗ‫ۼ‬ਏᆶ‫ݴڦྔܮ‬Ր୲Ljԍኤଉࣅሯำ‫ܔ‬NSD‫ڦ‬ᆖၚ੗ࢮ୼փऺă Page 44  x ०ࣅੇं۠୳հ——֑ᄣ‫ۯ‬ፕࣷॽডߛೕ୲‫ڦ‬႑ࡽ (ࢅሯำ)ं࣮۠ገ࣑ഗ‫ڦ‬లઊຯ༬ೕ܎——ܸٗՆ௨ ं۠࿁ၟǗኄၵ႑ࡽՂႷ๑ᆩADCമ‫୳ڦ‬հഗ৊ႜᅞ ዆ă୳հഗࡗ‫ټ܉‬࿋ᇀፌߛణՔվጛೕ୲FINࢅ޿ೕ ୲ं۠FSAMPLE-FINኮक़ăໜጣFINሁઠሁথৎFSAMPLE/2Lj ُੇं۠୳հഗ‫ټ܉ࡗڦ‬Վ‫׉ݥڥ‬቏LjႴᄲटߛ঩‫ڦ‬ ୳հഗă2዁4ࡗ֑ᄣ੗‫ޗٷ‬३ณఇెᇘዐ‫ڦ‬ኄ߲၌ ዆Ljժॽᄲ൱ዃᇀ၎‫ܔ‬ඹᅟ‫ت‬૙‫ڦ‬ຕጴᇘዐă  x ፌ‫܈ײٷ‬३ณች۠ገ࣑ഗ฿ኈׂ࿿‫ڦ‬ᆖၚăన಄౞ ᆶྜெ‫୳۠ंੇڦ‬հഗLjADC‫ڦ‬փྜெᄺׂࣷิሗ ොࢅഄ໱฿ኈׂ࿿——Ԉઔగၵटߛ঩ၿհăኄၵၿ հ࣏ॽሞ֑ᄣೕ୲ాች۠——੗ీ‫ాټ࣮ݓ‬Lj၌዆ణ Քೕ܎ా‫ڦ‬SNRăሞডߛ‫֑ڦ‬ᄣ໏୲ူLj໯Ⴔೕ܎‫ׯ‬ ྺలઊຯ༬‫ڦ੻ټ‬ᅃၭև‫ݴ‬Ljᅺܸই‫گ‬କች۠݀ิ ‫୲߁ڦ‬ăጀᅪǖ໚඗Ԩ࿔ዐ࿄༪ஃLjኵ‫ڥ‬ᅃ༵‫ڦ‬ ๟Ljࡗ֑ᄣ࣏ᆶዺᇀ੗ీ݀ิ‫ాټ‬ች۠‫ڦ‬ഄ໱ဣཥ ሗො(Բසഄ໱ഗॲ‫้ڦ‬ዓᇸ)‫ڦ‬ೕ୲ࡀࣄă  x ‫ت‬૙ሺᅮ——සമ໯ຎLjኍ‫ܔ‬ඪᅪӣሯำLj࿢்‫ڟڥ‬ କ3 dB/8Ԡೕ‫تײ‬૙ሺᅮ——ኄཚ‫׉‬Ԉઔඤሯำࢅଉࣅ ሯำLj‫ڍ‬ᄺ੗ీԈઔઠጲగၵૌ႙้ዓ۶‫ڦۯ‬ሯำă ໜጣ໏‫ڦߛ߸܈‬ገ࣑ഗࢅߛ໏ຕጴ‫ت‬૙ׂ೗‫ׯڦ‬ຄLjဣཥ ยऺටᇵኟ߸ೕ‫ںݏ‬๑ᆩᅃۨଉ‫֑ࡗڦ‬ᄣLjܸٗ૧ᆩኄၵ ᆫ๞ă ሯ‫ࢅڹ‬FFT‫ڦ‬ጀᅪ๚ၜ ౞੗ీࣷཚࡗॠֱೕ೷൸၍ᅜतֱੂ“ሯ‫ڹ‬ᆶ‫”گܠ‬Ljઠ‫׈‬ ๬Բডገ࣑ഗă৊ႜُૌԲড้Ljዘᄲ‫ڦ‬๟Ⴔऻዿೕ೷൸ ၍ൽਦᇀ֑ᆩ‫ڦ‬FFT‫ٷ‬ၭăড‫ڦٷ‬FFTࣷॽ‫ڦܠ߸ׯݴ੻ټ‬ ೕ୲֞Ljᅺُ௅߲ೕ୲֞ా‫ેڦ‬ओሯำሁณLjೕ೷൸၍৽ ࣷ၂๖ሁ‫ڦگ‬ሯ‫ڹ‬ăኄኻ๟ᅃ߲൸၍࿁ၟǗሯำೕ೷௢‫܈‬ ժ࿄݀ิ߀Վ(ኄ๟߀Վೕ೷‫ݴ‬ဆᅏ‫ݴ‬Ր୲‫ڦ੻ټ‬႑ࡽ‫ت‬૙ ‫ڪ‬ၳኵ)ăසࡕ֑ᄣ໏୲‫ڪ‬ᇀFFT‫ٷ‬ၭ(ईኁ๢‫ׯړ‬Բ૩)Lj ఫ஺Բডሯ‫ڹ‬๟੗ႜ‫ڦ‬Ǘ‫ޏ‬ሶ੗ీׂิဃ঴ăምᅃْ‫ں‬Lj NSDࡀ༵߭ࠃକํᆩ‫ڦ‬኱থԲডă MS-2740 ཮2 (a) ཮2 (b). ၎ཞ‫ڦ‬ገ࣑ഗĂ၎ཞ‫ڦ‬Ⴀీ——߀ՎFFT ‫ٷ‬ၭᄺࣷ߀Վೕ೷൸၍ዐሯ‫؜ڦڹ‬၄൧઄Ǘ ‫ۥ‬և൸၍‫֑ڦ‬ᄣ‫ٷ‬ၭྺ8192Lj‫ڹ‬և൸၍‫֑ڦ‬ᄣ‫ٷ‬ၭ ྺ524,288ǗጀᅪLjଇཉ൸၍‫ڦ‬SNRFSሀྺ74.8 dB ሯ‫ڹ‬փೝ།้– ∑-Δ႙ۙ዆ഗࢅഄ໱ೕ೷൧઄ ణമྺኹLj࿢்༪ஃ‫تڦ‬૙ሺᅮࢅࡗ֑ᄣ‫्ۼ‬ยሯำሞገ ࣑ഗ‫ڦ‬లઊຯ༬ೕ‫ాټ‬๟ೝ།‫ڦ‬ă࢔‫ܠ‬൧઄ူLjኄ‫ۼ‬๟ࢇ ૙‫्ڦ‬ยLj‫ڍ‬ᄺᆶ‫ܠ‬ዖ൧઄փ๢ᆩ޿्ยă࿢்༪ஃକ‫ت‬ ૙ሺᅮժփ๢ᆩᇀሗො‫ڦ‬๚ํLj໚඗ࡗ֑ᄣဣཥ੗ీ༵ࠃ గၵೕ୲ࡀࣄࢅሗො‫ت‬૙‫ݛ‬௬‫ڦ‬ᆫ๞ă1/fሯำࢅև‫ݴ‬ૌ႙ ‫ڦ‬ና‫ږ‬ഗ၎࿋ሯำॽਏᆶೕ೷ኝႚႠీLjփ๢ᆩ‫ت‬૙ሺᅮ ऺ໙ă Page 45 MS-2740 ሯำփೝ།‫ڦ‬ᅃ߲ዘᄲ൶ᇘ๟∑-Δ႙ገ࣑ഗև‫ݴ‬ă∑-Δ႙ۙ ዆ഗ๑ᆩྷජଉࣅഗ‫ݒڦ‬ઍ৊ႜۙ዆ഗଉࣅሯำኝႚ—— ই‫گ‬஌෇ణՔೕ܎ా‫ڦ‬ሯำLj‫پڍ‬ॏ๟ሺे‫ྔټ‬ሯำ(९཮ 3)ă੗ᅜੂ‫ڟ‬Lj‫ܔ‬ᇀُૌኝႚሯำLjᆯ۪ച‫ྔټ‬ሯำ‫ټ‬ઠ ‫ڦ‬ሺᅮᇺ‫ٷ‬ᇀ཮1ዐ‫ڦ‬൧઄Ǘ๚ํฉLj∑-Δ႙ۙ዆ഗኍ‫ܔ‬ঢ় ࡗۙ዆ഗኝႚ‫ڦ‬ሯำև‫ݴ‬ཚ‫ํ׉‬၄9 dB዁15 dB/8Ԡೕ‫ײ‬ई ߸ߛ‫تڦ‬૙ሺᅮ(ժ‫ݥ‬ဣཥዐ‫ڦ‬ඇևሯำᇸ‫ۼ‬ᆯۙ዆ഗ‫ݒ‬ઍ ኝႚ)ă ཮3. ‫ۆ‬႙∑-Δ႙ۙ዆ഗ‫ڦ‬ኝႚଉࣅሯำ ᆶ࠲∑-Δ႙ADC߸ྺၘဦ‫ڦ‬ຫ௽‫؜ג‬କԨ࿔‫ྷݔڦ‬Lj‫ڍ‬੗ ᅜੂ‫ڟ‬Lj‫ܔ‬ᇀ∑-Δ႙ۙ዆ഗLj๑ᆩNSDፕྺඓۨ‫ాټ‬੗ᆩ ‫ۯ‬ༀ‫ྷݔ‬ᆶࡀ߭ᆮྺᆶၳă཮4၂๖‫ڦ‬๟ߛ໏‫ټ‬ཚ∑-Δ႙ ADCঢ়ࡗ‫ڦࢫٷݣ‬ሯ‫ڹ‬൸၍ăሞ75 MHzణՔೕ܎ా(ዐ႐ೕ ୲ྺ225 MHz)Ljሯำྺ-160 dBFS/HzፑᆸLjSNR‫ࡗג‬74 dBFSă ጺ঳ փ܏‫ߛڦ޷ݿ‬໏ࢅटߛ໏ADCᅜतຕጴ‫ت‬૙ׂ೗ኟ๑ࡗ֑ ᄣ‫ࢅټ੻ྺׯ‬พೕဣཥ‫ํڦ‬ᆩॐࠓ‫݆ݛ‬ăӷ‫༹ڞ‬रຍ৊օ ྺ༵ื໏‫܈‬ᅜतই‫ׯگ‬Ԩፔ‫؜‬କዮ‫ࠋܠ‬၅(Բසॏ߭Ăࠀࡼ ࢅ‫ۉ‬ୟӱ௬ओ)Ljඟဣཥยऺටᇵ‫ڥ‬ᅜ༑໭ገ࣑ࢅ‫ت‬૙႑ࡽ ‫߳ڦ‬ዖ‫——݆ݛ‬࿮ஃ๑ᆩਏᆶೝ།ሯำೕ೷௢‫ټ੻ڦ܈‬ገ ࣑ഗLjई๟๑ᆩሞణՔೕ܎ాਏᆶߛ‫ۯ‬ༀ‫ټڦྷݔ‬၌∑-Δ ႙ገ࣑ഗăኄၵरຍ߀Վକ࿢்‫ܔ‬႑ࡽ‫ت‬૙‫ڦ‬ණ๎Ljᅜत ࿢்჋ስׂ೗‫ݛڦ‬๕ăາ੊සࢆվጛ႑ࡽ้Lj߾‫ײ‬฾੗ీ ࣷၙ‫ڟ‬ඁԲডሞփཞ໏‫߾ူ܈‬ፕ‫ڦ‬ဣཥă৊ႜኄૌԲডLj ईኁֱੂ෉ॲۨᅭဣཥසࢆ‫ت‬૙փཞ‫ڦ੻ټ‬႑ࡽ้Ljሯำ ೕ೷௢‫܈‬੗ᅜຫԲSNRࡀ߭߸ྺᆶᆩă໲փࣷ༺࣑ഄ໱ࡀ ߭Lj‫ࣷॽڍ‬๟౞ࡀ߭ଚ՗ฉ‫ڦ‬ᆶᆩၜణă ዂႇ ፕኁထྭ঺ُऐࣷၠADIࠅິߛ໏ገ࣑ഗևோዐྺُ࿔ፔ ‫ࠋ؜‬၅‫ܠ࢔ڦ‬ཞ๚ዂႇLjᆮഄ๟Allen BarlowĂPaul Hendriks ࢅAnthony DeSimoneă ֖੊࿔၅ MT-006 ADCሯำဣຕ——ᅃ߲ঢ়‫׉‬ԥဃ঴‫֖ڦ‬ຕ(ADIࠅິLj 2014౎)Kester, Walt. ཮4. AD6676‫ټ‬ཚ∑-Δ႙ADCኝႚሯำ TA12762sc-0-10/14 Page 46 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2208 ჋ስࢇ๢‫ڦ‬࿮ᇸࢅ‫ݴ‬૬ᇮॲᅜํ ၄ፌߛဣཥႠీ ፕኁǖTim WatkinsLjࢃ႐ᆌᆩևோLjADIࠅິ ాඹ༵ᄲ ᆶᇸࢅ࿮ᇸᇮॲ‫ڦ‬჋ስ‫ۉܔ‬ᇸጺ༹Ⴀీᆖၚ਎‫ٷ‬ăၳ୲Ă ׂิ‫ڦ‬ඤଉĂ࿿૙؅٫Ă๼‫ׯࢅ୲ࠀ؜‬Ԩ‫ࣷۼ‬ሞగዖ‫܈ײ‬ ฉᅈડᇀ໯჋‫ྔڦ‬ևᇮॲăԨ࿔௮ຎକሞᅃ߲‫ۆ‬႙TNQT ยऺዐLj‫ܔ‬ᇀူଚྔև࿮ᇸࢅᆶᇸഗॲยऺටᇵႴᄲኪ‫ڢ‬ ‫ڦ‬ፌዘᄲ‫߭ࡀڦ‬ăኄၵഗॲԈઔǖ‫ۉ‬ፆĂ‫ۉ‬ඹĂ‫ߌۉ‬Ăܾ ट࠶ࢅNPTGFUă ‫ ܔ‬ᇀၳ୲዁࠲ዘᄲ‫ࡆۉࠃܠڦ‬ᆌᆩLjਸ࠲ఇ๕ ‫ۉ‬ᇸ(SMPS)ᅙ‫ྺׯ‬๚ํฉ‫ڦ‬Քጚăሞᄲ൱‫׊‬ ‫׾ۉ‬Ⴤࡵ้क़‫ࢅۉࠃ׾ۉڦ‬Սၻ๕ᆌᆩዐᆮ ഄසُă ‫ۉ‬ᇸ૾ยऺᆶ‫ܠ‬ዖ‫ݛ‬๕ă੗ᅜ๑ᆩইუገ࣑ഗĂืუገ࣑ ഗĂইუ/ืუገ࣑ഗᅜतഄ໱बዖྊ೫঳ࠓăኄၵ঳ࠓ‫ڦ‬ ࠌཞ‫ۅ‬๟Ⴔᄲ՗၄‫؜‬෥‫ྔڦ‬ևᆶᇸࢅ࿮ᇸᇮॲ֍ీ๑ဣཥ ᅜፌॅጒༀ߾ፕă గ ၵ ‫ ۉ‬ᇸ IC঴ ਦ‫ ݛ‬ӄ ੗ ీ ኻ Ⴔ ᄲ ෙ ߲ ྔ և ᇮ ॲLjස ADP2108ইუۙবഗăᅺྺ໲ాዃ‫ۉ‬ᇸਸ࠲Lj໯ᅜኄዖਸ ࠲ఇ๕࿘უഗኻႴᄲෙ߲ྔևᇮॲǖᅃ߲๼෇‫ۉ‬ඹĂᅃ߲ ๼‫ۉ؜‬ඹࢅᅃ߲‫ߌۉ‬ăྔևᇮॲ‫ڦ‬ฉ၌बࢭ๟࿮၌‫ڦ‬Ljਏ ༹ൽਦᇀྊ೫঳ࠓࢅ‫ۉ‬ᇸᄲ൱ă௬‫ܔ‬ยऺዐ‫ׯڦ‬ԨĂႠీ ࢅဣཥ੗੍Ⴀ࿚༶LjยऺටᇵՂႷኪ‫ڢ‬నၵ֖ຕፌྺዘ ᄲLjᅜՍ჋ስࢇ๢‫ڦ‬ᇮॲă ‫ۉ‬ፆ ‫ۉ‬ፆටට‫ۮۼ‬Ljഄ‫ܔ‬SMPS‫ڦ‬ᆖၚ၎‫ړ‬ᆶ၌ă඗ܸLjሞ‫ݒ‬ ઍĂց‫ୁۉࢅ׋‬ॠ֪‫ڪ‬๑ᆩ໲‫ࢇׇڦ‬LjՂႷକ঴ഄയሞ ᆖၚă ๑ᆩ੗ۙ࿘უഗ้Ljᅃӯࣷ๑ᆩྔև‫ۉ‬ፆ‫ݴ‬უഗྪஏઠ‫ܔ‬ ๼‫ۉ؜‬უ‫ݴ‬უLjᅜၠ࿘უഗ༵ࠃ‫ݒ‬ઍăሞኄ૛Lj‫ۉ‬ፆඹֶ ࢅ‫ۉ‬ፆ࿒‫܈‬ဣຕ‫ิׂࣷۼ‬ᆖၚăႎ๕FPGAࢅ‫ت‬૙ഗ‫ాڦ‬ ࢃ‫ۉ‬უ߸‫گ‬Ljᅺܸ‫ۉܔ‬ᇸ‫ۉ‬უඹֶ‫ڦ‬ᄲ൱߸ჹ߭ă‫ܔ‬ᇀ1 V ాࢃ‫ۉ‬უ‫ڦ‬FPGALj5%ඹֶኻᆶ50 mVă ཮1၂๖କ‫ۉ‬ፆඹֶࢅ‫ۉ‬ፆ࿒‫܈‬ဣຕසࢆ‫ܔ‬ፌዕยऺׂิ ዘ‫ٷ‬ᆖၚă 3.0V TO 20V BST VIN ADP2300/ SW ADP2301 EN ON FB OFF GND VOUT R1 R2 10086-001 ཮1. ADP2301ইუۙবഗᆶᅃ߲0.8 Vएጚ‫ۉ‬უᇸă๼‫ۉ؜‬უྺǖ Vout 0.8 V u ¨§ © R1  R2 R2 ¸· ¹ සࡕॽ‫ۉ‬ୟ‫ڦ‬ሺᅮۨᅭྺ R1 R2 R2 ยऺ๼‫ۉ؜‬უ1 VLj჋ስR2 = 10 kΩLjऺ໙‫؜ڥ‬R1 = 2.5 kΩă ‫ۉ‬ୟ‫ڦ‬ሺᅮྺǖ ¨§ © 10k  2.5k 10k ¸· ¹ 1.25 Page 47 MS-2208 සࡕ๑ᆩ5%ඹֶ‫ۉ‬ፆժ੊୯ፌֶ൧઄Ljሶሺᅮྺǖ ¨§ © 10.5k  2.375k 10.5k ¸· ¹ 1.226 or ¨§ © 9.5k  2.625k 9.5k ¸· ¹ 1.276 ‫ܔ‬๼‫ۉ؜‬უܸჾLjኄ၎‫ړ‬ᇀ±2%‫ڦ‬ඹֶăሞᄲ൱‫ۉ‬ᇸ‫ۉ‬უඹ ֶྺ5%‫ڦ‬ဣཥዐLjฉຎඹֶᅙၩࡼۖড‫ٷ‬ᅃև‫ݴ‬ဃֶᇨ໙ă ཞᄣ‫ڦ‬ยऺසࡕ๑ᆩ1%ඹֶ‫ۉ‬ፆLjሶৈᆶ±0.4%‫ڦ‬ဃֶă ‫ۉ‬ፆ࿒‫܈‬ဣຕᄺࣷᆅഐဣཥဃֶăසࡕR1‫ۨܮڦ‬࿒‫܈‬ဣຕ ྺ+100 ppm/°CLjR2ྺ–100 ppm/°CLjሶ࿒‫ߛื܈‬100°Cॽᆅ ഐ‫ڦྔܮ‬0.4%ဃֶăᆯᇀኄၵᇱᅺLjॺᅱ๑ᆩ1ǁඹֶई ߸ࡻ‫ۉڦ‬ፆă࿒‫܈‬ဣຕ‫گ‬዁10 ppm/°C‫ۉڦ‬ፆ࢔ඹᅟࠔ‫ڥ‬Lj ‫ߛ༵ࣷڍ‬ဣཥ‫ׯ‬Ԩă ‫ۉ‬ඹ ‫ۉ‬ඹሞSMPSยऺዐᆶ‫ܠ‬ዖፕᆩǖ‫ీئ‬Ă୳հĂց‫׋‬Ă෉ ഔ‫ۯ‬Պ‫ڪײ‬ăၟ໯ᆶํाഗॲᅃᄣLj‫ۉ‬ඹᆶसิၳᆌLjย ऺටᇵՂႷጀᅪă৽SMPS‫୳ࢅీئ‬հܸჾLjଇ߲ፌዘᄲ ‫ڦ‬सิၳᆌ๟ᆶၳ‫ۉ૴ز‬ፆ(ESR)ࢅᆶၳ‫(ߌۉ૴ز‬ESL)ă ཮2໯๖ྺ०ࣅ‫ํڦ‬ा‫ۉ‬ඹ཮ă IGNORE FOR POWER DESIGNS RP C RDA CDA RS ESR ཮2. L ESR 10086-002 ૙ၙ‫ۉ‬ඹ‫ڦ‬ፆੇࣷໜጣೕ୲༵ߛܸ‫ူۙڇ‬ইă཮3၂๖କ ଇ߲փཞ100 μF‫ۉ‬ඹ‫ڦ‬ፆੇᇑೕ୲‫࠲ڦ‬ဣăᅃ߲๟୩‫ۉ‬঴ ႙Ljଷᅃ߲๟‫֫ܠ‬༩ٍ‫ۉ‬ඹăሞড‫گ‬ೕ୲้Ljፆੇໜጣೕ ୲༵ߛܸ‫ူۙڇ‬ইLj‫ࢇޙ‬ᇨ೺ă඗ܸLjᆯᇀ٪ሞESRLjሞ గᅃೕ୲้Ljُፆੇࣷ‫ڟٳ‬ፌၭኵă‫ړ‬ೕ୲ीჄ༵ߛ้Lj ‫ۉ‬ඹਸ๔՗၄‫ڥ‬ၟᅃ߲‫ߌۉ‬Ljፆੇᄺࣷໜኮ༵ߛăፆੇᇑ ೕ୲‫࠲ڦ‬ဣ൸၍‫ྺ׬‬Đᇥಪđ൸၍Lj໯ᆶํा‫ۉ‬ඹ‫ۼ‬ᆶૌ ຼႜྺă 100 IMPEDANCE (Ω) 10 1 100m 10m C ALUMINUM ELECTROLYTIC ESR CERAMIC MLCC ESL ESL = 16nH ESL = 1.6nH 1m 100 1k 10k 100k FREQUENCY (Hz) 1 1 SELF-RESONANT FREQUENCY = 2x ESL × C ཮3. 1M 10M ESR 0 ཮4ቛ๖କইუገ࣑ഗยऺዐ‫ۉڦ‬ඹࠀీă๼෇‫ۉ‬ඹࣷੂ ‫ڟ‬ড‫૶ݥڦٷ‬Ⴤ࿖հ‫ୁۉ‬ăُ‫ۉ‬ඹႴᄲీ‫׶‬๴ߛ࿖հ‫ୁۉ‬ (‫گ‬ESR)ժਏᆶ‫(ߌۉگ‬ESL)Ljසࡕ๼෇‫ۉ‬ඹESRࡗߛLj‫ۉ‬ඹ ాॽׂิI*Rࠀࡼăኄࣷই‫گ‬ገ࣑ഗၳ୲Ljժ൐ᆶ੗ీ๑ ‫ۉ‬ඹࡗඤă๼෇‫૶ݥڦୁۉ‬ჄႠዊ࣏ࣷᇑESL၎ࢻፕᆩLj ᆅഐ๼෇ฉ‫ۉڦ‬უॖ‫ރ‬ăኄࣷߴဣཥ‫ټ‬ઠ߅ඡሯำăইუ ገ࣑ഗዐ‫ڦ‬๼‫ۉ؜‬ඹࣷੂ‫૶ڟ‬Ⴤ‫ڦ‬࿖հ‫ୁۉ‬Ljኄዖ‫ୁۉ‬ᅃ ӯ࢔‫گ‬ăྺํ၄ፌॅ‫ڦ‬ၳ୲ࢅ޶ሜຨༀၚᆌLjESRᆌԍ‫׼‬ ‫گ‬ኵă 10086-003 Page 48 MS-2208 DISCONTINUOUS INPUT CURRENT VIN CIN ESR ESL 0 DC + RIPPLE VIN ICIN 0 SW2 RIPPLE ONLY CONTINUOUS OUTPUT CURRENT DC + RIPPLE IL1 L1 COUT VOUT DC + RIPPLE ISW1 RIPPLE ONLY ESR SW1 ICIN ICOUT ESL ILOAD 0 DC + RIPPLE 10086-004 ཮4. CONTINUOUS OUTPUT CURRENT DC + RIPPLE VOUT – VIN VIN 0 IL1 CIN L1 ISW1 ESR ICIN RIPPLE ONLY ESL SW1 DISCONTINUOUS INPUT CURRENT DC + RIPPLE VOUT ID1 D1 COUT ESR ILOAD RIPPLE ONLY ESL 10086-005 ཮5. ཮5ቛ๖କืუገ࣑ഗዐ‫ڦ‬ඁ᳘‫ۉ‬ඹࠀీă๼෇‫ۉ‬ඹࣷੂ ‫૶ڟ‬Ⴤ‫ڦ‬࿖հ‫ୁۉ‬ăᆌ჋ስ‫گ‬ESR‫ۉ‬ඹLj๑๼෇ฉ‫ۉڦ‬უ ࿖հፌၭă๼‫ۉ؜‬ඹࣷੂ‫ڟ‬ড‫૶ݥڦٷ‬Ⴤ࿖հ‫ୁۉ‬ăኄ૛ Ⴔᄲ๑ᆩ‫گ‬ESRࢅ‫گ‬ESL‫ۉڦ‬ඹă ሞইუ/ืუገ࣑ഗዐLj๼෇ࢅ๼‫ۉ؜‬ඹ਩ࣷੂ‫૶ݥڟ‬Ⴤ࿖ հ‫ୁۉ‬ăኄዖྊ೫঳ࠓႴᄲ๑ᆩ‫گ‬ESRࢅ‫گ‬ESL‫ۉڦ‬ඹă ‫ۉ߲ܠ‬ඹժ૴ᅜइ‫ڥ‬ড‫ۉڦٷ‬ඹᄺႹ๟௽዇‫ڦ‬ăժ૴൧઄ ူ‫ۉ‬ඹࣷሺेLjܸESRࢅESLሶࣷই‫گ‬ăඟଇ߲ई߸‫ۉܠ‬ඹ ժ૴LjՍ੗इ‫ڥ‬ড‫ۉڦٷ‬ඹࢅড‫ߌۉڦگ‬ᇑ‫ۉ‬ፆă࢔‫้ܠ‬ ࢪLjኻᆶ૧ᆩኄዖӸ݆֍ీइ‫ڥ‬໯Ⴔ‫ۉٷڦ‬ඹኵࢅ‫گ‬ ESRLjܸٗ஢ፁยऺᄲ൱ă ๑ᆩADIࠅິ‫ڦ‬ADIsimPower‫ڪ‬ሞ၍ยऺ߾ਏࣷॽኄၵ඄ ࢚ᅺ໎੊୯৊ඁLjӻዺ౞ᆫࣅยऺă ‫ۉ‬ඹᆶ‫ܠ‬ዖૌ႙੗ࠃ჋ስă୩‫ۉ‬঴‫ۉ‬ඹĂ᮳‫ۉ‬ඹࢅ‫֫ܠ‬༩ ٍ‫ۉ‬ඹ๟ෙዖፌ‫׉‬९‫ڦ‬ૌ႙ăၟ‫ܠٷ‬ຕยऺਦ֧ᅃᄣLj჋ ስࢇ๢‫ڦ‬ૌ႙ภतᅃဣଚ඄࢚ᅺ໎ă ୩‫ۉ‬঴‫ۉ‬ඹ‫ڦ‬ඹኵ‫ٷ‬Ă‫ׯ‬Ԩ‫گ‬Ljሞ໯ᆶ჋ስዐLjഄ‫ׯ‬Ԩ/μF Բፌॅă୩‫ۉ‬঴‫ۉ‬ඹ‫ڦ‬ዷᄲඍ‫ۅ‬๟ESRডߛLj੗‫ٳ‬ຕ౹ ఛăခՂ๑ᆩਸ࠲႙‫ۉ‬ඹLjᅺྺഄESRࢅESLԲཚᆩ႙ᄲ ‫گ‬ă୩‫ۉ‬঴‫ۉ‬ඹ࣏ᅈડᇀ‫ۉ‬঴ዊLjᆯᇀ‫ۉ‬঴ዊࣷደॷՎ ߅Ljᅺُ‫ۉ‬ඹ๱ంড‫܌‬ă Page 49 MS-2208 ᮳‫ۉ‬ඹ๑ᆩ᮳‫ݹ‬఍ፕྺ‫঻ۉ‬ዊăᇑཞ‫ڪ‬୩‫ۉ‬ඹ၎ԲLj᮳‫ۉ‬ ඹీᅜ߸ၭ‫ހڦ‬ጎ༵ࠃ߸‫ڦٷ‬ඹኵLjփࡗ‫ׯ‬ԨডߛăESR ཚ‫׉‬ሞ100 mΩ‫ాྷݔ‬LjԲ୩‫ۉ‬ඹ‫گ‬ă᮳‫ۉ‬ඹփ๑ᆩᅂༀ‫ۉ‬ ঴ዊLjᅺܸ๱ంԲ୩‫ۉ‬঴႙ᄲ‫׊‬ăᆯᇀኄ߲ᇱᅺLj᮳‫ۉ‬ඹ ሞߛ੗੍Ⴀᆌᆩዐ࢔๴࣌ᆓă᮳‫ۉ‬ඹ‫ܔ‬ષᆥ‫ߌ௺ୁۉ‬Ljᆶ ้Ⴔᄲ‫ۉ૴ز‬ፆઠ၌዆ષᆥ‫ୁۉ‬ăခՂփᄲ‫ࡗג‬዆ሰฆॺ ᅱ‫ڦ‬ષᆥ‫ۨܮୁۉ‬ኵࢅ‫ۉ‬უ‫ۨܮ‬ኵă᮳‫ۉ‬ඹ฿ၳ้Lj੗ీ ࣷฏ࣯ժஶჶă ‫֫ܠ‬༩ٍ‫ۉ‬ඹ(MLCC)༵ࠃट‫ڦگ‬ESR (<10 mΩ)ࢅESL (<1 nH)Lj ֑ᆩၭ႙՗ཌྷ‫ހ‬ጎăMLCC‫ڦ‬ፌ‫ٷ‬ඹኵ੗‫ٳ‬100 μFLjփࡗ‫ړ‬ ඹኵ‫ٷ‬ᇀ10 μF้Lj࿿૙؅٫ࢅ‫ׯ‬Ԩࣷሺेă൩ጀᅪMLCC‫ڦ‬ ‫ۉ‬უ‫ۨܮ‬ኵतഄ঳ࠓዐ๑ᆩ‫঻ۉڦ‬ዊăํाඹኵࣷໜጣแ े‫ۉڦ‬უܸՎࣅLjኄ‫ۉྺ׬‬უဣຕăᅈ਍໯჋‫঻ۉڦ‬ዊLj ኄዖՎࣅ੗ీ‫ٷ׉ݥ‬ă཮6၂๖କෙዖփཞ‫ۉ‬ඹ‫ڦ‬ඹኵᇑแ े‫ۉ‬უ‫࠲ڦ‬ဣăX7R႙‫঻ۉ‬ዊႠీፌॅLj‫ٷ‬૰ླྀ४๑ᆩă ᆯᇀ‫঻ۉ‬ዊ‫ڦ‬უ‫ۉ‬ၳᆌLj༩ٍ‫ۉ‬ඹ‫ܔ‬PCBና‫ߌ௺ۯ‬Lj໯ׂ ิ‫ۉڦ‬უሯำ੗ీࣷඡ୺PLL‫ߌ௺ڪ‬ఇె‫ۉ‬ୟăሞُૌ௺ ߌᆌᆩዐLjփ๴ና‫ۯ‬ᆖၚ‫ڦ‬᮳‫ۉ‬ඹ੗ీ๟߸ࡻ‫ڦ‬჋ስă CAPACITANCE (μF) 5.00 4.7μF, X7R, 1206 4.14 3.89μF @ 12V 3.3μF, X7R, 1206 3.28 2.73μF @ 12V 2.42 4.7μF, X5R, 0805 1.56 1.64μF @ 12V 0.748μF @ 25V –84% 0.70 0 5 10 15 20 25 DC BIAS VOLTAGE (V) ཮6. 10086-006 10086-008 ‫ߌۉ‬ ‫ߌۉ‬๟‫ى‬Ⴀ‫ీئ‬ᇮॲLjཚ‫׉‬๟ॽ၍ං‫׀‬ජሞ‫ى‬ႊฉࠓ‫ׯ‬ă ‫้ߌۉࡗୁୁۉ‬Ljࣷሞ‫ى‬ႊዐߌิᅃ߲‫ׇى‬ă޿‫৽ׇى‬๟ ‫ీئ‬ऐ዆ăᆯᇀ‫ߌۉ‬ዐ‫ୁۉڦ‬࿮݆૬न߀ՎLjᅺُLj‫ړ‬ӝ ᅃ߲‫ۉ‬უแेᇀ‫้ߌۉ‬Lj‫ࣷୁۉ‬ၽೢฉืă཮7၂๖କ‫ۉ‬ ߌዐ‫ୁۉڦ‬հႚă + V I I L di dt = V L 0 t E(joules) = 1 2 × L × i2 ཮7. 10086-007 ਸ࠲Կࢇ้Ljඇև‫ۉ‬უ(V)‫؜‬၄ሞ‫ߌۉ‬ฉă‫ߌۉ‬ዐ‫ୁۉڦ‬ ᅜV/L‫ڦ‬໏୲ၽೢฉืăਸ࠲܏ਸ้Lj‫ୁۉ‬ᅜཞᄣ‫ڦ‬໏୲ ၽೢူইLj‫ׇى‬ၩ฿Ljժׂิᅃ߲‫ۉٷ‬უă޿‫৽ׇى‬๟‫ئ‬ ీऐ዆ă཮8ߴ‫؜‬କ‫ڦߌۉ‬०ࣅఇ႙ă R C CORE L ཮8. ‫ྔߌۉأ‬Lj࣏ᆶ‫ۉ૴ز‬ፆ(DCR)ࢅժ૴‫ۉ‬ඹăDCRዷᄲ๟ ᆯ၍ං‫ۉ‬ፆᆅഐ‫ڦ‬Lj‫୲ࠀڦߌۉܔ‬໦ࡼऺ໙࢔ዘᄲăժ૴ ‫ۉ‬ඹᇑ‫ߌۉ‬ᅃഐ੗ీᆅഐ‫ߌۉ‬ጲၿናăጲၿናೕ୲੗ᅜཚ ࡗူ๕ऺ໙ǖ 11 fResonance 2 – LC Page 50 ᅃ߲ᆶၳ‫ڦ‬ঢ়ᄓ݆ሶ๟Ljඟਸ࠲ೕ୲๔ዕԲ‫ڦߌۉ‬ጲၿና ೕ୲‫گ‬10Ԡăሞ‫ܠٷ‬ຕยऺዐLjኄփ๟࿚༶ă ‫୲ࠀڦߌۉ‬໦ࡼࣷᆅഐ‫ߌۉ‬࿒‫ࢅߛื܈‬ၳ୲ই‫گ‬ă‫ڦߌۉ‬ ࠀ୲໦฿ዷᄲᆶଇૌLj ยऺටᇵ‫ܔ‬ኄଇૌ਩ᄲକ঴ăජፇ ‫ۉ‬ፆ(DCR)໦ࡼ৽๟‫ڞ‬၍‫ڦ‬I2 × R໦ࡼLj ᄺ‫ྺ׬‬ཟ໦ࡼă‫ۉ‬ ߌࠀ୲໦ࡼ‫ڦ‬ଷᅃ߲ᅺ໎๟໯࿍ཎႊ໦ࡼăཎႊ໦ࡼ๟ཎ ႊా‫ى‬ውࢅ࿠‫ڦୁۉ‬ጹࢇၳᆌăཎႊ໦ࡼ‫ऺڦ‬໙ᄲઓవ‫ڥ‬ ‫ܠ‬Lj੗ీ૶ຕ਍๮֩ฉ‫ۼ‬փ༵ࣷࠃLj‫ࣷڍ‬ᆅഐཎႊࠀࡼࢅ ࿒‫܈‬ฉืăADIࠅິᅙٗ‫ߌۉ‬዆ሰฆ‫ت‬इ‫ڥ‬ཎႊ໦ࡼ႑ တLjժॽഄభ෇ሞ၍ยऺ߾ਏADIsimPowerዐăኄᄣLjย ऺටᇵ৽ీइ‫ڥ‬৛ඓ‫ڦ‬ཎႊ໦ࡼ႑တLjᅜतഄ‫ܔ‬SMPSኝ ༹ยऺ‫ڦ‬ᆖၚă ཮9ቛ๖କইუࢅืუଇዖ‫ۉ‬ᇸยऺዐ‫ీࠀߌۉڦ‬ă‫ߌۉ‬ ‫ڦ‬ዷᄲፕᆩ๟‫ీئ‬Lj‫ڍ‬ᄺ੗ᆩፕ୳հഗă჋ስ‫ߌۉ‬ኵ้Lj ๯ံᄲඓۨ೺ྭ‫ڦ‬ፌ‫ٷ‬࿖հ‫ୁۉ‬ăᅃ߲࢔ࡻ‫ۅ݀؜ڦ‬๟ǖ ‫ܔ‬ইუገ࣑ഗLj๑ᆩ኱ୁ޶ሜ‫ڦୁۉ‬30%Ǘ‫ืܔ‬უገ࣑ ഗLj๑ᆩ኱ୁ๼෇‫ڦୁۉ‬30%ăኄᄣ৽੗ᅜ૧ᆩ཮9ዐ‫ࠅڦ‬ ๕ऺ໙‫ߌۉ‬ኵă INPUT BUCK CURRENT ON-TIME OUTPUT LOAD INPUT OFF-TIME CURRENT OUTPUT LOAD MS-2208 ၄‫ڦߌۉׯ‬ඹֶ੗ీߛ‫ٳ‬±30%Ljऺ໙้ခՂेᅜ੊୯ăଷ ྔ࣏ᄲߵ਍ူ๕჋ስ‫ߌۉ‬ǖ Isat t Idc  Iripple 2 ഄዐIsatྺ‫ڦߌۉ‬ԏࢅ‫ୁۉ‬ăԏࢅ‫ୁۉ‬๟ኸ‫ߌߌۉ‬ኵই‫گ‬ గᅃӥ‫ݴ‬Բ้ୁࡗ‫ୁۉڦ‬ăُӥ‫ݴ‬Բໜ዆ሰฆփཞܸᅴLj ‫ྷݔ‬ሞ10%‫ڟ‬30%ኮक़ă჋ስ‫้ߌۉ‬LjခՂጀᅪԏࢅ‫ୁۉ‬ ໜ࿒‫ܸ܈‬ՎࣅLjᅺྺ‫࢔ߌۉ‬੗ీᄲሞߛ࿒ူ߾ፕăፌֶ൧ ઄ူLj‫ߌۉ‬ኵই‫گ‬10%ᅃӯ๟੗থ๴‫ڦ‬ă๑ᆩ‫ٷ‬ᇀՂᄲኵ ‫ࣷߌۉڦ‬቞ᆩ߸‫ڦܠ‬PCB௬ओLjժ൐‫ׯ‬Ԩཚ‫ߛ߸׉‬ăডߛ ‫ڦ‬ਸ࠲ೕ୲ኧ‫׼‬๑ᆩኵড‫ߌۉڦگ‬ă ᆩᇀSMPS‫ߌۉڦ‬ዷᄲᆶଇዖཎႊ֌ଙǖཎ‫ݹ‬ႊࢅཎᄟ༹ă ཎ‫ݹ‬ႊ‫֌ڦ‬ଙኮक़ᆶഘဤLj‫ڞ‬ዂԏࢅ൸၍ডೝ࣐ăᅺُLj ֑ᆩኄዖཎႊ֌ଙ‫߸ߌۉڦ‬๢ࢇႴᄲ‫ٷ‬ຨ้‫ڦୁۉ‬ᆌᆩă ཎᄟ༹‫ى‬ႊ‫੺߸ࣷߌۉ‬໏‫ں‬ԏࢅLj‫ׯڍ‬Ԩࢅཎႊ໦ࡼড‫گ‬ă INPUT BOOST CURRENT ON-TIME INPUT OUTPUT LOAD CURRENT OFF-TIME OUTPUT LOAD 10086-009 ΔIL = VOUT – (VIN – VOUT) VIN fSW – L ΔIL = p-p INDUCTOR CURRENT ཮9. ΔIL = VIN – (VOUT – VIN) VOUT fSW – L Page 51 MS-2208 ྺ‫ۉ‬ୟ჋ስࢇ๢‫ߌۉڦ‬ኵժփ๟०‫ऺڦڇ‬໙Lj‫ܠڍ‬ຕยऺ ੗ኧ‫ྷݔ׼‬၎‫ߌۉڦ੻ړ‬ኵă ‫گ‬ኵ‫ڦߌۉ‬ᆫ๞ᆶǖ x ߸‫ڦگ‬DCR x ߸ߛ‫ڦ‬ԏࢅ‫ୁۉ‬ x ߸ߛ‫ڦ‬di/dt x ߸੺‫ڦ‬ਸ࠲ೕ୲ x ߸ࡻ‫ڦ‬ຨༀၚᆌ ߛኵ‫ڦߌۉ‬ᆫ๞ᆶǖ x ߸‫ڦگ‬࿖հ‫ୁۉ‬ x ߸‫ڦگ‬ཎႊ໦ࡼ x ‫ۉ‬ୟਸ࠲ዐ‫ୁۉڦ‬ᆶၳኵ߸‫گ‬ x ஢ፁ๼‫؜‬࿖հᄲ൱໯Ⴔ‫ۉڦ‬ඹ߸‫گ‬ ‫ॆߌۉ‬ፃዐᅃ߲၎‫ܔ‬ডႎ‫ׯڦ‬ᇵ๟‫֫ܠ‬ႊೌ‫ߌۉ‬ăኄዖႊ ೌ‫ڦߌۉ‬࿿૙؅٫‫׉ݥ‬ၭ(0805)Ljኧ‫ג׼‬ၭ႙ยऺă‫ߌۉ‬ ኵణമፌߛ੗‫ٳ‬4.7 μHLjᅺُLjᅃӯ๢ࢇডߛਸ࠲ೕ୲‫ڦ‬ย ऺăၭ؅٫ᄺ၌዆କഄ‫تୁۉ‬૙ీ૰(ሀ1.5 A)LjᅺُLjփీ ᆩᇀডߛࠀ୲‫ڦ‬ยऺăᇑՔጚජ၍‫ߌۉ‬၎ԲLjႊೌ‫ׯߌۉ‬ Ԩ߸‫گ‬Ă؅٫߸ၭĂDCR߸‫گ‬Ljยऺටᇵ੗ᅜጡ൧๑ᆩă ೡԸ‫ߌۉ‬ᇑ࿮ೡԸ‫ߌۉ‬ ໚඗ೡԸ‫ߌۉ‬ডӆࡍ൐ԏࢅ‫ୁۉ‬ড‫(گ‬࿿૙؅٫ࢅ‫ߌۉ‬ኵ၎ ཞ‫ڦ‬൧઄ူ)Lj‫ڍ‬໲ీ‫ٷٷ‬ই‫گ‬EMIăྺକӻዺၩ‫أ‬ยऺ‫ڦ‬ EMI࿚༶Lj๑ᆩೡԸ‫ߌۉ‬๟ኵ‫ڦڥ‬ăਸ࠲ೕ୲ডߛ้ᆮഄ සُă ܾट࠶ ᅴօਸ࠲‫ۉ‬ᇸยऺ֑ᆩ࿮ᇸਸ࠲ă޿ਸ࠲ཚ‫׉‬๟ᅃ߲ܾट ࠶ă඗ܸLjᆯᇀܾट࠶‫ڦ‬ኟၠუইLjᅴօยऺ‫ڦ‬๼‫؜‬ᅃӯ ၭᇀ3 ALj‫ޏ‬ሶၳ୲ࣷ‫ူޗٷ‬ইă ‫أ‬ፌߛ‫ۉ‬უยऺྔLjᅴօ࿘უഗॺᅱ๑ᆩၰ༬एܾट࠶Lj ഄऍ‫ۉح‬უፌߛ੗‫ٳ‬100 Vፑᆸăᇑࡂܾट࠶၎ԲLjၰ༬ए ܾट࠶‫ڦ‬ኟၠუইড‫گ‬Ljᅺܸࠀࡼ၂ዸই‫گ‬ă ଷྔLjഄ‫ݒ‬ၠ࣬ް้क़ྺ0Ljኄᄺీၩ‫ܾأ‬ट࠶‫ڦ‬ਸ࠲ ໦ࡼă ၰ༬एܾट࠶࣏༵ࠃ‫گג‬ኟၠუইӲԨăփࡗഄऍ‫ۉح‬უ ፌߛኻᆶ40 VፑᆸLj‫ׯ‬Ԩᄺ୼ߛLj‫ڍ‬੗৊ᅃօই‫ܾگ‬ट࠶‫ڦ‬ ࠀࡼă ჋ስܾट࠶้LjՂႷ੊୯ኟၠუইĂऍ‫ۉح‬უĂೝ਩ኟၠ ‫ࢅୁۉ‬ፌ‫ࡼࠀٷ‬ăᆌ჋ስኟၠუই৑੗ీ‫ڦگ‬ഗॲLj‫ڍ‬ခ Ղ๑ᆩຕ਍๮֩ዐᇑยऺ‫ୁۉ‬၎࠲‫ڦ‬ኟၠუইኵă࢔‫้ܠ‬ ࢪLjໜጣኟၠ‫ୁۉ‬ሺेLjኟၠუইࣷ‫ߛ༵ޗٷ‬ăኟၠუই ሁߛLjഗॲࠀࡼሁ‫ٷ‬ăኄᆼࣷই‫گ‬ገ࣑ഗၳ୲Ljժ൐ᆶ੗ ీ๑ܾट࠶ࡗඤă ܾट࠶‫ڦ‬ኟၠ‫ۉ‬უ࿒‫܈‬ဣຕྺ޶ኵăኄ๟ᅃӝມඬॵăᅃ ‫ݛ‬௬Ljໜጣܾट࠶࿒‫ߛื܈‬Ljኟၠუইࣷই‫گ‬Ljᅺܸഗॲ ‫ࣷࡼࠀڦ‬३ၭă඗ܸLjᆯᇀኄᅃၳᆌLjփᅓ๑ᆩժ૴ܾट ࠶ઠ‫ୁݴ‬Ljᅺྺഄዐᅃ߲ܾट࠶ྫྫࣷ‫ت‬ᇀኧದ‫ں‬࿋Lj‫ڥ‬ ‫ڟ‬ժ૴ဣཥዐ‫ڦ‬໯ᆶ‫ୁۉ‬ă ܾट࠶‫ڦ‬ऍ‫ۉح‬უ‫ۨܮ‬ኵᆌߛᇀဣཥ‫ۉ‬უăኟၠ‫ۨܮୁۉ‬ ኵᆌ‫ٷ‬ᇀ‫ۉ‬ୟዐยऺ‫ୁۉߌۉڦ‬ᆶၳኵă‫ړ‬඗Ljܾट࠶Ղ Ⴗీࠕၩොፁࠕ‫୲ࠀڦ‬LjՆ௨ࡗඤă໯჋ഗॲ‫ڦ‬ፌ‫ࡼࠀٷ‬ ‫ۨܮ‬ኵᆌ‫ٷ‬ᇀยऺᄲ൱ăADIࠅິ‫ڦ‬ሞ၍‫ۉ‬ᇸยऺ߾ਏ ADIsimPowerᆶᅃ߲࢔‫ܾڦٷ‬ट࠶ຕ਍ੰLjዂ૰ᇀӻ౞჋ ስፌ๢ࢇ༬ۨᆌᆩ‫ڦ‬ഗॲă MOSFET ਸ࠲‫ۉ‬ᇸዐ‫ڦ‬Đਸ࠲đᅃӯ๟MOSFETă‫ۉߛג‬უࢅ‫ୁۉ‬ ยऺ੗ీࣷ๑ᆩIGBT႙ৗ༹࠶ă MOSFETዷᄲ‫ྺݴ‬Nࠏ‫ࢅڢ‬Pࠏ‫ڢ‬ଇ‫ٷ‬ૌLj ଇኁ߳ᆶഥ൭ă Nࠏ‫ڢ‬ሺഽఇ๕ഗॲႴᄲᅃ߲ኟቆट-ᇸट‫ۉ‬უ֍ీ‫ڞ‬ཚLj ‫ڞ‬ཚ‫ۉ‬ፆ‫گ‬ᇀ၎ཞ‫ٷ‬ၭ‫ڦ‬Pࠏ‫ڢ‬ഗॲLj‫ׯ‬Ԩᄺ߸‫گ‬ă Page 52 10086-010 MS-2208 Pࠏ‫ڢ‬ഗॲႴᄲᅃ߲޶ቆट-ᇸट‫ۉ‬უ֍ీ‫ڞ‬ཚLj‫ڞ‬ཚ‫ۉ‬ፆ ড‫ٷ‬Lj‫ׯ‬Ԩ୼ߛă ᆯᇀᄲ൱ቆट-ᇸट‫ۉ‬უྺኟLjNࠏ‫ڢ‬ഗॲྫྫ߸వᅜൻ ‫ۯ‬Ljᅺྺ੗ీႴᄲॽቆटൻ‫ڟۯ‬ဣཥዷ‫ۉ‬ᇸ‫ۉ‬უᅜฉăኄ ཚ‫׉‬๟ᆯᅃ߲०‫ڦڇ‬ጲਉ‫ۉ‬ୟઠ‫ت‬૙Lj‫ࣷڍ‬ሺेဣཥ‫ׯڦ‬ ԨࢅްሗႠăፌႎ‫ڦ‬IC࿘უഗԈઔጲਉܾट࠶Lj੗ই‫ׯگ‬ Ԩࢅᇮॲຕă Pࠏ‫ڢ‬ഗॲሶ࢔ඹᅟൻ‫ۯ‬Lj࿮Ⴔ޹े‫ۉ‬ୟă๑ᆩPࠏ‫ڢ‬ MOSFET‫ڦ‬ඍ‫ۅ‬๟‫ׯ‬Ԩࢅ‫ڞ‬ཚ‫ۉ‬ፆডߛă ჋ስMOSFET้LjՂႷጀᅪᅃၵ࠲॰Ⴀీ֖ຕǖRdsĂVdsĂ VgsĂCdssĂCgsĂCgdࢅPmax(ಇఁփ‫)ࢫံݴ‬ă Rdsྺൻ‫ۯ‬ቆट้ഗॲ‫ڞڦ‬ཚ‫ۉ‬ፆăሞSMPSዐLjRdsሁ‫گ‬ ሁࡻăኄᄣ੗ᅜই‫گ‬ഗॲ‫ڦ‬I2 × Rࠀࡼժ༵ߛၳ୲ăMOSFET ‫ڦ‬ᅃ߲ଆࡻ༬Ⴀ๟Rdsਏᆶኟ࿒‫܈‬ဣຕăኄ๑‫ڥ‬MOSFET‫ݥ‬ ‫׉‬๢ࢇժ૴๑ᆩLjᅺྺժ૴้Ljഗॲࣷ਩‫ݴںڪ‬ၛ‫ୁۉ‬ă Vds՗๖MOSFET‫ڦ‬ऍ‫ۉح‬უăᆌ჋ስ‫ٷ‬ᇀဣཥ‫ۉ‬უ‫ڦ‬ऍ‫ح‬ ‫ۉ‬უ‫ۨܮ‬ኵăऍ‫ۉح‬უሁߛཚ‫׉‬ᅪ࿆ጣ‫ׯ‬ԨሁߛLjᅺُփ ᄲ๑ᆩ‫ۨܮ‬ኵࡗ‫ڦٷ‬ഗॲă Vgsኸቆट-ᇸटពኵ‫ۉ‬უăኄ๟๑ഗॲ‫ڞ‬ཚ໯Ⴔ‫ۉڦ‬უă MOSFETഗॲ٪ሞፌ‫ۨܮୁۉٷ‬ኵࢅፌ‫ۨܮࡼࠀٷ‬ኵLj փ ‫ࡗגڥ‬ኄၵ‫ۨܮ‬ኵăాևࠀࡼዷᄲᆶଇ߲ઠᇸǖI2 × Rdsࢅ ਸ࠲໦ࡼă ‫ړ‬MOSFET(ਸ࠲)‫ڞ‬ཚ้Ljࠀࡼኻᆶᅃ߲ઠᇸLjनI2 × Rds໦ ࡼăਸ࠲࠲܏้Ljഗॲ࿮ࠀࡼă‫ڍ‬ሞገ࣑೺क़Ljഗॲࣷᆶ ࠀࡼăገ࣑೺क़‫ྺ׬ࡼࠀڦ‬ਸ࠲໦ࡼă VOLTS OR AMPS VD VGS IDS VGS, MILLER t0 t1 t2 tRISE ཮10. ཮10໯๖ྺਸ࠲໦ࡼ൸၍ă໲ዷᄲ๟ቆटฉ‫ۉڦ‬ඹᆅഐ ‫ڦ‬LjԈઔቆट-ᇸट‫ۉ‬ඹࢅቆट-୑ट‫ۉ‬ඹăᄲ‫ڞ‬ཚࢅ࠲܏ MOSFETLjՂႷ‫ܔ‬ኄၵ‫ۉ‬ඹ؊‫ۉݣࢅۉ‬ăጀᅪ཮10ዐ‫ۉڦ‬ უࢅ‫ୁۉ‬հႚă‫ڞ‬ཚ೺क़Ljሞᅃ้ۨक़ాLjഗॲฉփৈ٪ ሞ‫ۉ‬უLjܸ൐࣏ᆶ‫ࡗୁୁۉ‬ăኄࣷ‫ڞ‬ዂഗॲ‫ڦ‬V × Iࠀࡼă ೕ୲ሁߛLjਸ࠲໦ࡼሁ‫ٷ‬ăኄ๟SMPSยऺዐዮ‫ܠ‬඄࢚ᅺ ໎ኮᅃăೕ୲ሁ‫گ‬Lj‫ۉࢅߌۉ‬ඹሁ‫ٷ‬Ljၳ୲ሁߛăೕ୲ሁ ߛLj‫ۉࢅߌۉ‬ඹሁၭLj‫ڍ‬໦ࡼড‫ٷ‬ă ၭ঳ ยऺSMPS้Lj‫ޤ‬ዺᇮॲ‫ڦ‬჋ስ‫׉׉‬ൺਃᇀ੦዆ഗई࿘უ ഗICኮࢫLj ‫ڍ‬ᆶᇸࢅ࿮ᇸᇮॲ‫ڦ‬჋ስ‫ۉܔ‬ᇸጺ༹Ⴀీᆖၚ ਎‫ٷ‬ăၳ୲Ăׂิ‫ڦ‬ඤଉĂ࿿૙؅٫Ă๼‫ׯࢅ୲ࠀ؜‬Ԩ‫ۼ‬ ࣷሞగዖ‫܈ײ‬ฉᅈડᇀ໯჋‫ྔڦ‬ևᇮॲăྺକፔ‫؜‬ፌॅ჋ ስLjႴᄲጮဦ‫ݴ‬ဆႠీᄲ൱ă๑ᆩADIࠅິ‫ڦ‬ADIsimPower ‫ڪ‬ण‫ׯ‬ยऺ߾ਏ੗०ࣅኄᅃࡗ‫ײ‬ăADIsimPowerሎႹᆩࢽ๼ ෇ยऺཉॲLjԈઔਦۨ‫ۉ‬ୟӱ੣क़Ăॏ߭Ăၳ୲ई‫ׯ‬Ԩ‫ڦ‬ ᆫံຩႾă඗ࢫLj໲ࣷኴႜ໯ᆶՂᄲ‫ऺڦ‬໙ઠ‫ݴ‬ဆยऺLj Page 53 MS-2208 ժླྀ४‫ࢇޙ‬ยऺཉॲ‫ڦ‬ᇮॲăADIsimPowerᆶᅃ߲࢔‫ڦٷ‬ ᇮॲຕ਍ੰLjຕ਍ઠጲ߳ॆ዆ሰฆăగၵ൧઄ူLj޿߾ਏ ฯ዁ࣷ๑ᆩ዆ሰฆ࿄ࠅਸ‫ڦ‬ຕ਍ᅜՍߴ‫؜‬ፌ৛ጚ‫ॺڦ‬ᅱă ጨᇸ ᆶ࠲ADIsimPowerยऺ߾ਏ‫ڦ‬႑တLj൩‫ݡ‬࿚ǖwww.analog. com/cn/ADIsimPowăer One Technology Way • P.O. 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T10086sc-0-7/11(0) Page 54 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă ኙ‫ܱޜ‬ଝ࣍ৣ—௬ၠट‫ߛ܋‬࿒ᆌ ᆩ‫ࡼࠀگڦ‬Ă৛௢Ăߛ࿒ഗॲ ፕኁǖᆌᆩ߾‫ײ‬฾Jeff Watsonࢅᆌᆩ߾‫ײ‬฾Maithil Pachchigar, Analog Devices, Inc. ०঻ ༵‫ܱڟ‬ଝ࣍ৣLj๘হฉፌਏ཈቟Ⴀ‫ڦ‬ᆌᆩኮᅃ࿮ᅑ๟৞ူ ፈ༑ăᆳགྷ‫ޜ‬ခࠅິኟሞ཈቟रຍट၌LjยऺՂႷీ‫׶‬๴ ट‫܋‬უ૰Ă؋ऍࢅና‫ڦۯ‬৛௢ยԢLjཞ้޿ยԢႴᄲਏᆶ ড‫׾ۉڦ׊‬๑ᆩ๱ం൐؅٫टၭă‫ڍ‬๟Lj‫ܔ‬ᇀሞُ࣍ৣዐ ๑ᆩ‫ۉڦ‬ጱยԢLjፌ‫ٷ‬཈቟ᄺႹ๟ट‫܋‬࿒‫܈‬ăኄ૛‫ߛڦ‬࿒ ᇑศ‫ࡧׯ܈‬ຕ࠲ဣǗܸ‫ں‬ඤ༱‫܈‬ೝ਩ሀྺ25°C/kmLjሞగ ၵ‫ں‬൶Lj࣏੗ీ߸ߛăໜጣඇ൰ీᇸႴ൱නᅮሺ‫ٷ‬Ljླྀ‫ۯ‬ ጣට்ඁፈ༑ࢅਸ݀ኄၵࡗඁᅃ኱࿮ٗူ๮‫ڦ‬ඤ৞ăփ႞ ‫ڦ‬๟Ljሞኄዖ࣍ৣዐߵԨ࿮݆ૐඐ‫ۉ‬ጱยԢăኟᅺසُLj ႜᄽႴᄲՂႷీሞ200°Cᅜฉ‫ৣ࣍ڦ‬ዐ੗੍߾ፕ‫ڦ‬৛௢ᅏ ഗăඓํLjডߛ‫ࠤڦ‬ቱ‫ׯ‬Ԩ߸๟཭၂କ੗੍Ⴀ‫ڦ‬ዘᄲăሞ ‫ူں‬ຕᆈ૛ፕᄽ‫ڦ‬ፈዹසࡕ‫؜‬၄‫ۉ‬ጱፇॲࠤቱLjႴᄲᅃཀ ᅜฉ‫้ڦ‬क़ઠॠႪत߸࣑Lj֡ፕްሗศ຤࡛ฉፈ৞ೝ໼௅ ཀ‫ٷ‬ሀႴᄲࢾ‫ݯ‬50‫ྤܠ‬ெᇮă ‫أ‬କ็ᆳࢅཀ඗ഘਿ༑ྔLjߛ࿒‫ۉ‬ጱഗॲ࣏ᆶഄ໱‫ڦ‬ႎ႗ ᆌᆩăࡵ੣ᄽኟනᅮၠ“‫ۉܠ‬ጱ‫ݧ‬ऐ”‫ڦ‬൵๞݀ቛăኄᅃ‫ݛ‬ ӄᅃ‫ݛ‬௬๟ྺକᆩ‫ݴ‬ք๕੦዆ဣཥൽ‫دپ‬ཥणዐ๕݀‫ۯ‬ऐ ੦዆ഗLj‫ݴ‬ք๕੦዆ဣཥॽ݀‫ۯ‬ऐ੦዆ဣཥ‫ݣ‬ዃሞ૗݀‫ۯ‬ ऐডৎ‫ݛںڦ‬Lj၂ዸই‫گ‬କࢻ૶‫ްڦ‬ሗႠLj๑‫ݧ‬ऐ‫ڦ‬ዘଉ ३ൟକຕӥԁăُ‫ݛ‬ӄ‫ڦ‬ଷᅃ‫ݛ‬௬๟ᄲᆩ‫ۉ‬૰‫ۉ‬ጱࢅ‫ۉ‬ጱ ੦዆ဣཥൽ‫پ‬ᅂუဣཥLjᅜ༵ื੗੍ႠLj३ณྼࢺ‫ׯ‬Ԩă रຍ࿔ቤ MS-2707 ૙ၙጒༀူLj੦዆‫ۉ‬ጱยԢՂႷ૗ኴႜഗ࢔ৎLjኄᄺׂࣷ ิডߛ‫ৣ࣍ڦ‬࿒‫܈‬ăૌຼᇀࡵ੣‫ۉ‬ጱ಩ഘ݀‫ۯ‬ऐLjᆩᇀ݀ ‫ڦۉ‬ዘ߾ᄽ඘ഘ࿠୾ऐႴᄲ੦዆ဣཥࢅᅏഗᅏ՗ă ߛ‫ۨܮ‬࿒‫ڦ܈‬IC ࡗඁLjᆯᇀ࿮݆इ‫ߛڥ‬࿒ICLjߛ࿒‫ۉ‬ጱยԢยऺටᇵኻీ ๑ᆩ‫؜ג‬ഄ‫ڦ߭ࡀۨܮ‬ഗॲă৑࠶ᆶၵՔጚ࿒‫܈‬IC੗ీਏ ᆶ‫ڦ߭ࡀ؜ג‬ᆶ၌ࠀీLj‫ڍ‬๑ᆩഐઠ‫׉ݥ‬ઓవLjժ൐ๆ‫ݴ‬ ླ၃Lj੗੍ႠईႠీࡹ࿮ԍቱă૩සLj߾‫ײ‬฾ՂႷඓۨ੗ ీ჋ᆩ‫ڦ‬ഗॲLj؊‫֪ݴ‬๬ժ௮ຎഄ࿒‫܈‬ႠీLjժᄓኤഄ‫׊‬ ೺੗੍Ⴀăഗॲ‫ڦ‬Ⴀీࢅ๱ంঢ়‫ڿޗٷࣷ׉‬३Ljժሞ዆ሰ ಼ْኮक़੗ీᆶ਎‫ֶٷ‬ᅴăኄᅃࡗ‫ײ‬؊஢཈቟൐ӆࡍࡼ ้Ljยऺටᇵ‫ۼ‬๟ྸ੤ՆኮփतăُྔLjణՔยऺ࿒‫ࡗ܈‬ ‫ڟ܉‬175°CLjժ൐Ⴔᄲ߸ံ৊‫ހڦ‬ጎLjन๑ኻ๟ྺକሞড ‫׼ڦ܌‬Ⴤ้क़ԍ‫׼‬੗੍Ⴀă ႞ሏ‫ڦ‬๟Ljৎ౎ઠ‫݀ڦ‬ቛ๑‫ࠕీڥ‬ச‫ڟ‬၄‫ۨܮߛڦׯ‬࿒‫܈‬ ICăADIࠅິߛ࿒ׂ೗ፇࢇዐ‫ׂڦ‬೗֑ᆩጆோ߾ᅝरຍĂ ‫ۉ‬ୟยऺࢅ‫ހ‬ጎժঢ়ࡗඇ௬‫ڦ‬༬ႠĂᄓኤࢅิׂ֪๬ऺࣄ ֪๬Ljీࠕԍኤᅜຕ਍๮֩ࡀ߭ሞߛ࿒ူ੗੍߾ፕă ߛ࿒႑ࡽ૾ ৑࠶࿢்༵‫ڟ‬କߛ࿒‫ۉ‬ጱยԢ‫ڦ‬ᅃၵփཞ‫ڦ‬ፌዕᆌᆩLjٗ ็ᆳਿ༑‫ࡵڟ‬੣‫ۉ‬ጱም‫ڟ‬ዘ߾ᄽଶᇘLjኄၵᆌᆩሞ႑ࡽ૾ ዐ٪ሞब߲ࠌཞ‫ڦ‬ᄲ൱ăഄዐ‫ܠٷ‬ຕဣཥႴᄲٗ‫ߌد߲ܠ‬ ഗइൽ৛௢ຕ਍ईႴᄲߛཾུ໏୲ăଷྔLjഄዐႹ‫ܠ‬ᆌᆩ ਏᆶჹ߭‫ࡼࠀڦ‬ᇨ໙Ljᅺྺ໲்‫ۼ‬๟֑ᆩ‫׾ۉ‬ሏႜLjई࿮ ݆ඹඨᅺ‫ۉ‬ጱยԢጲඤܸሺे‫ྔܮڦ‬࿒‫܈‬ăᅺُLjႴᄲᅃ ߲‫ࡼࠀگ‬ຕ਍֑ण႑ࡽ૾Ljᆯ‫ߌد‬ഗĂ৛௢ఇెᇮॲࢅߛ ཾུ໏୲ADCፇ‫ׯ‬ă Page 55 MS-2707 ৑࠶၄ሞ੗ᅜࠔச‫ڟ‬ฆᆩߛ‫ۨܮ‬࿒‫܈‬ICLjසৃ‫ۉڦ‬ୟࠓॺ ఇ੷჋ስᄺධ඗ᆶ၌ă༬՚๟Ljுᆶ‫ࡼࠀگ‬Ă֑ᄣ໏୲ߛ ᇀ100 kSPS൐‫߾ۨܮ‬ፕ࿒‫ࡗג܈‬200°C‫ڦ‬ฆᆩ৛௢ADCă‫ܔ‬ ᇀႴᄲ֑णժ‫ت‬૙ড੻‫੻ټ‬႑ࡽईၙᄲ‫ܠ‬ୟްᆩཚ‫ۉڦڢ‬ ୟยऺටᇵLjኄ๟ᅃ߲‫׉ݥ‬ସටཀྵ༯‫ڦ‬࿚༶ăྺ஢ፁኄዖ Ⴔ൱LjADIፌৎ݀քକAD7981 ADCǗሞ16࿋‫ݴ‬Ր୲ူLj޿ ഗॲ‫֑ڦ‬ᄣ໏୲੗ߛ‫ٳ‬600 kSPSLjཞ้ྼ‫ࢅࡼࠀگ׼‬टၭ ‫ڦ‬؅٫ă၄ሞ༵ࠃ‫ۨܮ‬࿒‫ྺ܈‬175°C‫ڦ‬10ᆅগMSOP‫ހ‬ጎLj ᅜत‫ۨܮ‬࿒‫ྺ܈‬210°C‫ڦ‬༩ٍՌೝ‫ހ‬ጎLj஋ೌӲԨᄺनॽ ླྀ‫؜‬ăፕྺӄ૩ჺ৯Lj࿢்ॽ৊ᅃօၘဦ༑༪ُADC‫ڦ‬༬ ႠLjକ঴໲සࢆሞट‫܋‬࿒‫ํူ܈‬၄཭೦Ⴀీࢅ੗੍Ⴀă AD7981ߛ࿒ADC AD7981๟ᅃ੼16࿋Ă‫ࡼࠀگ‬Ă‫ۉڇ‬ᇸADCLj֑ᆩ֑ᄣ໏ ୲ߛ‫ٳ‬600 kSPS‫ڦ‬ደْ԰ৎ႙ॐࠓ(SAR)ă໲एᇀADI‫ׯ‬ຄ ‫ڦ‬SARాࢃLj޿ాࢃᅙሞ‫ٷ‬ଉ߾ᄽࢅᅏഗᅏ՗ဣཥዐ๑ ᆩ ă ޿ ॐ ࠓ ए ᇀ ADI‫ ڦ‬ጆ ᆶ ‫ ࢁ ۉ‬ም ‫ ݴ‬ದ ඹ Ⴀ DACर ຍ ă CMOS዆ሰ߾ᅝኮ໯ᅜ੗ሞߛ࿒ူํ၄ᆫᅴႠీLjഄև‫ݴ‬ ᇱᅺ৽ሞᇀኄၵ‫ۉ‬ඹሞኝ߲࿒‫ڦాྷݔ܈‬೅ದࢅ߶ጷ༬ ႠăُྔLj࣏‫֑ܔ‬ण‫ۉ‬ୟ৊ႜକᆫࣅLjᅜ༵ߛߛ࿒࣍ৣူ ‫ڦ‬৛‫܈‬ă AD7981‫ۆڦ‬႙ᆌᆩ႑ࡽ૾ස཮1໯๖Ljഄዐࡆ‫ࡆڟ‬๼‫؜‬Ă ৛௢Ă‫ࡼࠀگ‬Ăມཚ‫ߛڢ‬࿒ණኤ‫ٷݣ‬ഗAD8634ᆩᇀൻ‫ۯ‬ AD7981‫ڦ‬๼෇Ljժፕྺएጚ‫ۉ‬უ࣐؋ഗᇑ‫گ‬࿒‫܈‬೏ᅎ‫ߛڦ‬ ࿒ණኤADR225 2.5 Vएጚ‫ۉ‬უᇸದࢇ๑ᆩăAD7981Ⴔᄲଇ ߲‫ۉ‬ᇸǖᅃ߲ఇెࢅຕጴాࢃ‫ۉ‬ᇸ(VDD)Ljᅜतᅃ߲ᇑ1.8 V ࢅ5 Vኮक़‫ڦ‬ඪࢆஇड኱থথ੨‫ڦ‬ຕጴ๼෇/๼‫؜‬থ੨‫ۉ‬ᇸ (VIO)ăVIOࢅVDDᆅগ੗ᅜ૶ሞᅃഐLjᅜ३ณ໯Ⴔ‫ۉڦ‬ ᇸຕă INL (LSB) ཮1. AD7981ᆌᆩ႑ࡽ૾ AD7981༵ࠃ‫؜‬෥‫ڦ‬঍ୁࢅ኱ୁႠీժਏᆶ±0.7 LSB INLĂ –102 dB THDࢅ91 dB SNR‫ۆڦ‬႙ࡀ߭Ljᅺُन๑ሞ175°C‫ڦ‬ ߛ࿒ူLjᄺీํ၄ߛ‫ۯ‬ༀ‫ڦࡻ߸ࢅྷݔ‬৛‫܈‬ăAD7981‫ۆڦ‬ ႙INLᇑ ‫پ‬ஓ‫࠲ڦ‬ဣ཮ස཮2໯๖ă 1.0 25°C 175°C 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 1 6901 13801 20701 27601 34501 41401 48301 55201 62101 CODE ཮2. AD7981‫ݥڦ‬၍Ⴀဃֶᇑ࿒‫࠲ڦ܈‬ဣ AD7981ሞփཞ࿒‫੻ူ܈‬๼෇ೕ୲‫ڦాྷݔ‬႑భԲ(SINAD) Ⴀీස཮3໯๖ă 100 –55°C +25°C +175°C 95 SINAD (dB) 90 85 80 75 1k 10k 100k 1M INPUT FREQUENCY (Hz) ཮3. ሞኝ߲࿒‫ాྷݔ܈‬SINADᇑೕ୲‫࠲ڦ‬ဣ Page 56 POWER DISSIPATION (mW) 12479-030 AD7981ཚࡗ๑ࠀࡼࢅཾུ໏୲‫װ‬၍ႠՎࣅ࠲ဣLjሞ600 kSPS ஢ཾུଉ้ࠀࡼ‫ۆ‬႙ኵሀྺ4 mWLj10 kSPS้ྺ70 μWLjፌ ‫ں܈ײٷ‬ჽ‫׊‬କܱଝ࣍ৣዐ‫׾ۉڦ‬๑ᆩ๱ంLjස཮4໯ ๖ăAD7981ሞገ࣑ኮक़ࣷጲ‫܏࠲ۯ‬LjᅜՍবูࠀࡼăኄ๑ ޿ഗॲ༬՚๢ࢇᇀ‫֑گ‬ᄣ໏୲‫ڦ‬ᆌᆩ(न๑ኻᆶबࢍጦ)Lj ժ๑‫ۉࠃ׾ۉ‬ဣཥํ၄ट‫ࡼࠀڦگ‬ă 4.0 VDD = 2.5V, VREF = 5V, VIO = 3V 3.5 3.0 2.5 2.0 TOTAL POWER 1.5 VDD ONLY 1.0 0.5 0 0 100000 200000 300000 400000 500000 600000 THROUGHPUT RATE (SPS) ཮4. AD7981ࠀࡼᇑཾུ໏୲‫࠲ڦ‬ဣ AD7981༵ࠃᇑSPIࢅഄ໱ຕጴዷऐग़ඹ‫ڦ‬ଳऄ‫ز‬ႜຕጴথ ੨ă໲੗ᅜದዃྺਏᆶፌ‫گ‬I/Oऺຕ‫ڦ‬०‫ڇ‬3၍ఇ๕Ljईሎ Ⴙਅࢾ૾࣮‫ࢅ܁‬ཞօ֑ᄣ჋ၜ‫ڦ‬4၍ఇ๕ă‫ܔ‬ᇀ‫ܠ‬ཚ‫ڢ‬ຕ ਍֑णဣཥLjAD7981੗ᅜൟ຿ᇑ‫ܠ‬ୟްᆩഗದࢇ๑ᆩLjᅺ ྺ໲ण‫ׯ‬କೌా֑ᄣԍ‫ۉ׼‬ୟLjժ൐SARॐࠓփ٪ሞୁ຤ ၍ჽ‫׿‬ă ߛ࿒‫ހ‬ጎ ᆛᆶీࠕሞߛ࿒ူ߾ፕ‫ߛڦ‬Ⴀీႊೌ้Lj࿢்ኻ‫ࠀׯ‬କᅃ ӷă੗੍‫ހ‬ጎ‫ܔ‬ᇀՂႷీ‫׶‬๴ܱଝߛ࿒࣍ৣ‫ڦ‬ण‫ۉׯ‬ୟ዁ ࠲ዘᄲă‫ހ‬ጎՂႷీ༵ࠃ‫ڦৣ࣍ܔ‬ፁࠕԍࢺࢅᇑPCB‫ڦ‬੗ ੍ࢻ૶Ljཞ้؅٫๢ࢇဣཥ‫ڦ‬ඪခ೪௬ă ৑࠶੗੍‫ހ‬ጎᆶႹ‫੊ܠ‬୯ᅺ໎Ljߛ࿒࣍ৣူഄዐᅃ߲ዷᄲ ࠤቱ‫ۅ‬๟၍ࡰăኄዖࠤቱሞႜᄽዐ‫׉‬९‫ڦ‬໒ଙ‫ހ‬ጎዐᆮഄ ‫ׯ‬࿚༶Ljഄዐূ෥ࡰ၍ࢅ୩ࡰಎ๟Քጚದዃăߛ࿒ࣷे໏ ূ/୩ূຌक़ࣅࢇ࿿‫׊ิڦ‬ăኄၵূຌक़ࣅࢇ࿿ᇑࡰথࠤቱ ၎࠲૴Ljස٤Ⴀࡰ၍ࢅ੣۴Lj੗ీ้ਗ਼‫ิ݀ࣷۼ‬Ljස཮5໯ ๖ăྺକՆ௨ኄၵࠤቱLjADI๑ᆩࡰಎূຌࣅ(OPM)߾ᅝ ႚ‫ࡰূׯ‬ಎ՗௬LjᅜՍ૶থࡰ၍ăُ‫ূڇ‬ຌဣཥփࣷႚ‫ׯ‬ MS-2707 ূຌक़ࣅࢇ࿿Ljሞ࿢்‫ڦ‬ණኤ֪๬ዐᅙঢ়ኤ௽๟੗੍‫ڦ‬Lj ሞ195°CཉॲူᇨԢ‫ࡗג‬6000ၭ้Ljස཮6໯๖ă৑࠶ADIሞ 195°Cቛ၄‫؜‬੗੍‫ࡰڦ‬থႠీLj‫ڍ‬๟๴၌ᇀఇ໒ࣅࢇ࿿‫ڦ‬ի ૱ࣅገՎ࿒‫܈‬Lj໒ଙ‫ހ‬ጎ‫߾ۨܮڦ‬ፕ࿒‫܈‬ፌߛৈ‫ڟ‬175°Că ཮5. ୩ಎฉ‫ূڦ‬൰ࡰ(195°C้500ၭ้ࢫ) ཮6. OPMฉ‫ূڦ‬൰ࡰ(195°C้6000ၭ้ࢫ) ᆌᆩ๖૩ ฉຎAD7981ዘᄲ༬ႠፇࢇLjසߛႠీĂ࿘ۨႠĂ‫ࢅࡼࠀگ‬ ଳऄದዃLj‫ܱࢇޙ‬ଝߛ࿒࣍ৣዐ৛௢֪ଉᆌᆩ‫ڦ‬ዘᄲႠీ ՔጚLjස‫็ူں‬ᆳࢅཀ඗ഘਿ༑ᅜत߾ᄽĂᅏഗࢅࡵ੣‫ۉ‬ ጱᆌᆩă AD7981ຌᇀփ܏ሺ‫ߛڦ׊‬࿒ׂ೗ፇࢇLjీࠕํ၄ٗ‫ߌد‬ഗ ‫تڟ‬૙ഗ‫ڦ‬৛௢ఇె႑ࡽ‫ت‬૙ăAD7981ᇑADR225 2.5 Vए ጚ๼‫ۉ؜‬უᇸࢅAD8634/AD8229‫ٷݣ‬ഗದ༫ᆩᇀ႑ࡽۙ ૙ăߛ‫ۨܮ‬࿒‫ڦ܈‬MEMS࠹Ⴀ‫ߌد‬ഗLjසADXL206े໏‫܈‬ ऺࢅADXRS645྅அᅏLjྺยऺටᇵ༵ࠃᆶ࠲ဣཥ‫ݛ‬ၠࢅ ሏ‫ڦۯ‬႑တă๑ᆩኄၵഗॲ‫ڦ‬৞ူፈ༑ᅏഗᅏ՗‫ڦ‬०ࣅ႑ ࡽ૾ස཮7໯๖ă Page 57 MS-2707 ሞُᆌᆩዐLj‫߳ܔ‬ዖ৞ူ‫ߌد‬ഗ‫ڦ‬႑ࡽ৊ႜକ֑ᄣLjᅜՍ ๭णዜྷ‫ںڦ‬ዊࠓሰຕ਍ăኄၵ‫ߌد‬ഗ੗ీ֑ᆩ‫ۉ‬टĂ၍ ංĂუ‫ۉ‬ईഄ໱‫ߌد‬ഗ‫ڦ‬ႚ๕ăे໏‫ऺ܈‬Ă‫ى‬૰ऺࢅ྅அ ᅏ༵ࠃᆶ࠲ፈዹ‫ڦ‬ൡၽĂ‫ݛ‬࿋ঙĂ჉ገ໏୲Ă؋ऍࢅና‫ۯ‬ ‫ڦ‬႑တăഄዐև‫ߌدݴ‬ഗ‫੻ټڦ‬ट‫گ‬Ljܸഄ໱‫ߌد‬ഗ੗ీ ਏᆶᅼೕ‫ྷݔ‬त߸ߛ‫ڦྷݔ‬၎࠲႑တăAD7981ీࠕٗਏᆶ փཞ‫੻ټ‬ᄲ൱‫ߌدڦ‬ഗ֑ᄣຕ਍Ljཞ้ԍ‫ࠀ׼‬ၳăၭ؅٫ ๑ഄ੗ᅜൟ຿‫ں‬ሞ੣क़๴၌‫ڦ‬քਆዐඹభ‫߲ܠ‬ཚ‫ڢ‬Ljස৞ ူፈ༑߾ਏዐ‫׉‬ᆩ‫ڦ‬ट቏‫ۉ‬ୟӱ੻‫܈‬ăُྔLjଳऄ‫ڦ‬ຕጴ থ੨ሶሎႹሞᄲ൱߸੏ਗ਼‫ڦ‬ᆌᆩዐ৊ႜཞօ֑ᄣLjཞ้࣏ ሎႹ‫گܔ‬ᆅগऺຕ‫ڦ‬ဣཥ৊ႜ०‫ڦڇ‬ਅࢾ૾࣮‫܁‬ă ၭ঳ ጺܸჾኮLjट‫ߛ܋‬࿒‫ܱྺׯ‬ଝ࣍ৣဣཥዐ‫ڦ‬ፌ‫ٷ‬཈቟ኮ ᅃă‫ڍ‬๟Ljႎ‫ۨܮߛڦ‬࿒‫܈‬IC(සAD7981)๑ยऺටᇵీࠕ ֑ᆩ၄‫ߛڦׯ‬৛‫܈‬Ă‫ࡼࠀگ‬൐ዊଉ੗੍‫ڦ‬ഗॲLjઠਖ਼‫ޜ‬ኄ ዖ཈቟ă ཮7. ৞ူፈ༑ᅏഗᅏ՗‫ڦ‬०ࣅ႑ࡽ૾ TA12719sc-0-10/14 Page 58 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2758 ૧ᆩຕጴ߰૗ഗरຍሺഽ߾ᄽ‫ۉ‬ ऐ੦዆Ⴀీ ፕኁǖDara O'Sullivan(ဣཥ߾‫ײ‬฾)ࢅMaurice Moroney (रຍᆐၨঢ়૙)LjADIࠅິ ߰૗ૌ႙०঻ ߰૗ᆩࢽत௺ߌ‫ۉ‬ጱևॲ๟‫ۉ‬ऐ੦዆ဣཥ‫ڦ‬ዘᄲ੊୯๚ ၜăҾඇ߰૗ᆩᇀԍࢺᆩࢽ௨๴ᆶ࡞‫ۉ‬უᆖၚLjࠀీ߰૗ ሶጆோᆩઠԍࢺยԢࢅഗॲă‫ۉ‬ऐ੦዆ဣཥ੗ీԈࡤ߳ዖ ߳ᄣ‫߰ڦ‬૗ഗॲLj૩සǖൻ‫ۉۯ‬ୟዐ‫߰ڦ‬૗๕ቆटൻ‫ۯ‬ ഗǗॠ֪‫ۉ‬ୟዐ‫߰ڦ‬૗๕ADCĂ‫ٷݣ‬ഗࢅ‫ߌد‬ഗǗᅜतཚ ႑‫ۉ‬ୟዐ‫߰ڦ‬૗๕SPIĂRS-485ĂՔጚຕጴ߰૗ഗă࿮ஃ๟ ‫؜‬ᇀҾඇᇱᅺLj࣏๟ྺକᆫࣅႠీLj‫ۼ‬ᄲ൱৛႐჋ስኄၵ ഗॲă ໚඗߰૗๟࢔ዘᄲ‫ڦ‬ဣཥ੊୯Lj‫ڍ‬໲ᄺ٪ሞඍ‫ۅ‬ǖ༵ࣷߛ ࠀࡼLjੵࡗ߰૗ቆ‫د‬๼ຕ਍ׂࣷิჽ‫׿‬Ljܸ൐ࣷሺेဣཥ ‫ׯ‬Ԩăဣཥยऺ฾‫د‬ཥฉ൱ዺᇀ࠼߰૗‫ݛ‬ӄLj‫౎ܠ‬ઠLj໲ ๟ဣཥ߰૗‫ړڦ‬඗჋ስăፌৎๆ౎ઠLjएᇀ‫ى‬Ⴀ(Վუഗ‫د‬ ๼)‫ڦ݆ݛ‬ຕጴ߰૗ഗ༵ࠃକᅃዖ੗ႜ൐ሞ࢔‫߸ࢪ้ܠ‬ᆫሁ ‫ݛپ༺ڦ‬ӄǗٗဣཥঙ‫੊܈‬୯Lj໲࣏ਏԢဣཥยऺ฾੗ీ ช࿄ණ๎‫ڦڟ‬ᆫ‫ۅ‬ă Ԩ࿔ॽ༪ஃኄଇዖ߰૗঴ਦ‫ݛ‬ӄLjዘ‫ۅ‬ஃຎ‫߰ى‬૗‫ܔ‬ჽ‫׿‬ ้ႾႠీ‫߀ڦ‬฀Ljᅜतᆯُߴ‫ۉ‬ऐ੦዆ᆌᆩሞဣཥ֫௬‫ټ‬ ઠ‫تࡻڦ‬ă ߰૗‫݆ݛ‬ ࠼᳘૧ᆩ࠼ፕྺዷᄲ‫د‬๼‫݆ݛ‬Ljස཮1໯๖ă݀ໃ֨Ԉઔ ᅃ߲LEDLjߛ‫ۉ‬ೝ႑ࡽਸഔLEDLj‫ۉگ‬ೝ႑ࡽ࠲ԿLEDă থ๭֨૧ᆩ࠼‫ۉ‬ॠ֪ഗॽথ๭‫࠼ڦڟ‬႑ࡽገ࣑࣮‫ۉ‬႑ࡽă ߰૗ᆯLEDᇑ࠼‫ۉ‬ॠ֪ഗኮक़‫ڦ‬໒‫֌ހ‬ଙ༵ࠃLj‫ڍ‬ᄺ੗૧ ᆩ‫߰ڦྔܮ‬૗֫(ཚ‫׉‬एᇀ਋ࢇ࿿)ᇎᅜሺഽă LED ‫߰ྔܮ‬૗ᆩ ᅜ༵ߛႠీ ࠼‫ۉ‬ॠ֪ഗ ཮1. ࠼᳘঳ࠓ ࠼᳘‫ڦ‬ፌ‫ٷ‬ඍ‫ۅ‬ኮᅃ๟ǖLED઻ࣅLjࣷ๑‫د‬๼༬Ⴀ೏ᅎǗ ยऺටᇵՂႷ੊୯ኄᅃ‫ྔܮ‬࿚༶ăLED઻ࣅ‫ڞ‬ዂ้ႾႠీ ໜጣ้क़ࢅ࿒‫ܸ܈‬೏ᅎăᅺُLj႑ࡽ‫د‬๼ࢅฉื/ူই้क़ ࣷ๴ᆖၚLj๑ยऺްሗࣅLjᆮഄ๟੊୯‫ڟ‬Ԩ࿔ࢫ௬ᄲ‫ت‬૙ ‫ڦ‬࿚༶ă ࠼᳘‫ڦ‬Ⴀీકቛᄺ๟๴၌‫ڦ‬ăྺକ༵ߛຕ਍໏୲LjՂႷਖ਼ ‫࠼ޜ‬᳘ࠦᆶ‫ڦ‬सิ‫ۉ‬ඹ࿚༶Lj޿࿚༶ࣷ‫ڞ‬ዂࠀࡼืߛăस ิ‫ۉ‬ඹ࣏༵ࣷࠃ᳘ࢇऐ዆Lj‫ڞ‬ዂएᇀ࠼᳘‫߰ڦ‬૗ഗॲ‫ڦ‬ CMTI(ࠌఇຨՎੇඡ‫)܈‬Ⴀీଝᇀ৪ኛ‫ݛ‬ӄă ‫߰ى‬૗ഗ(एᇀՎუഗ)ᅙ‫ࡀٷ‬ఇᆌᆩๆ‫౎ܠ‬Lj๟࠼᳘ࢇഗ ‫ڦ‬ᆶၳ༺‫ݛپ‬ӄăኄૌ߰૗ഗएᇀՔጚCMOSरຍLj֑ᆩ ‫دى‬๼ᇱ૙Lj߰૗֫ᆯ਋ḅჱӃईܾᄟࣅࡂࠓ‫ׯ‬Ljස཮2 ໯๖ă‫ۉگ‬ೝ‫ୁۉ‬ᅜஞ؋‫ݛ‬๕ཚࡗ၍ං‫د‬๼Ljׂิᅃ߲‫ى‬ ‫ׇ‬Lj‫߰ࡗحׇى‬૗ቆLjሞ߰૗ቆଷᅃ֨‫ܾڼڦ‬၍ංዐߌิ ᅃ߲‫ୁۉ‬ăᆯᇀ֑ᆩՔጚCMOS঳ࠓLjഄሞࠀࡼࢅ໏‫ݛ܈‬ ௬ਏᆶ௽၂ᆫ๞Ljܸ൐փ٪ሞ࠼᳘ࢇഗ၎࠲‫ڦ‬๱ంೋֶ࿚ ༶ăُྔLjएᇀՎუഗ‫߰ڦ‬૗ഗ‫ڦ‬CMTIႠీᆫᇀएᇀ࠼ ᳘ࢇഗ‫߰ڦ‬૗ഗă ၍ං2 ၍ං1 ߰૗֌ଙ ཮2. ‫ى‬ႠՎუഗ঳ࠓ Page 59 MS-2758 एᇀՎუഗ‫߰ڦ‬૗ഗ࣏ሎႹ๑ᆩ‫ڦࡀ׉‬႑ࡽ‫ت‬૙ఇ੷(‫ݞ‬ኹ ‫د‬๼ሗො๼෇)ࢅߛप‫د‬๼Պ঴ஓऐ዆ăኄᄣ৽੗ᅜํ၄ມ ၠຕ਍‫د‬๼Lj๑ᆩփཞՊஓ‫ݛ‬ӄઠᆫࣅࠀࡼᇑ‫د‬๼໏୲‫ڦ‬ ࠲ဣLjᅜतॽዘᄲ႑ࡽ߸੺໏Ă߸ᅃዂ‫دں‬๼‫߰ڟ‬૗ቆଷ ᅃ‫܋‬ă ჽ‫׿‬༬ႠԲড ໯ᆶ߰૗ഗ‫ڦ‬ᅃ߲ዘᄲ‫׉׉ڍ‬ԥൟ๫‫ڦ‬༬Ⴀ๟ഄ‫د‬๼ჽ ‫׿‬ăُ༬Ⴀ࢚ଉ႑ࡽ(੗ᅜ๟ൻ‫ۯ‬႑ࡽईࠤቱॠ֪႑ࡽ)ᄂ ඪᅃ‫ݛ‬ၠੵࡗ߰૗ቆ໯Ⴔ‫้ڦ‬क़ăरຍփཞLj‫د‬๼ჽ‫ֶ׿‬ ՚࢔‫ٷ‬ăཚ‫ڦࠃ༵׉‬๟‫ۆ‬႙ჽ‫׿‬ኵLj‫ڍ‬ဣཥยऺ฾༬՚࠲ ጀፌ‫ٷ‬ჽ‫׿‬Lj໲๟ยऺ‫ۉ‬ऐ੦዆ဣཥႴᄲ੊୯‫ڦ‬ዘᄲ༬ Ⴀă՗1ߴ‫؜‬କ࠼᳘ࢇഗࢅ‫߰ى‬૗ቆटൻ‫ۯ‬ഗ‫دڦ‬๼ჽ‫׿‬ ࢅჽ‫׿‬ೋֶኵ๖૩ă ՗1ǖ ࠼᳘ࢇഗࢅ‫߰ى‬૗ഗ‫ۆڦ‬႙ჽ‫׿‬༬Ⴀ ߰૗ഗૌ႙ ፌ‫دٷ‬๼ჽ‫׿‬ ‫د‬๼ჽ‫׿‬ೋֶ ࠼᳘ࢇഗ ፌ‫ٷ‬700 ns 200 ns ‫߰ى‬૗ഗ 60 ns 12 ns ස՗1໯๖Lj‫߰ى‬૗ሞፌ‫ٷ‬ჽ‫ࢅ׿‬ჽ‫׿‬੗ዘްႠ(ೋֶ)‫ݛ‬௬ ᆫ๞௽၂ăኄᄣLj‫ۉ‬ऐ੦዆ยऺටᇵ‫ܔ‬ยऺॽ߸ᆶ႑႐Lj ࿮Ⴔሺे้Ⴞᇧଉᅜ஢ፁቆटൻ‫ۯ‬ഗ༬Ⴀă‫ܔ‬ᇀ‫ۉ‬ऐ੦዆ ဣཥ‫ڦ‬ႠీࢅҾඇLjኄ‫ۼ‬ᆶጣ‫׉ݥ‬ዘᄲ‫ڦ‬ᅪᅭă ‫ۉܔ‬ऐ੦዆ဣཥ‫ڦ‬ဣཥᆖၚ ཮3၂๖କ঍ୁ‫ۉ‬ऐ੦዆ᆌᆩዐ֑ᆩ‫ۆڦ‬႙ෙ၎ొՎഗă ޿ొՎഗᆯ኱ୁజ၍ࠃ‫ۉ‬Lj኱ୁ‫ۉ‬ᇸཚ‫׉‬๟ཚࡗܾट࠶ൃ ๕ኝୁഗࢅඹႠ/ߌႠ-ඹႠ୳հഗ኱থٗ঍ୁ‫ۉ‬ᇸׂิă ሞ‫ٷ‬և‫߾ݴ‬ᄽᆌᆩዐLj኱ୁజ၍‫ۉ‬უሞ300 V዁1000 V‫ྷݔ‬ ాă֑ᆩஞ੻ۙ዆(PWM)‫ݛ‬ӄLjᅜ5 kHz዁10 kHz‫ۆڦ‬႙ೕ ୲ൎ࣑ࠀ୲ৗ༹࠶T1዁T6Ljܸٗሞ‫ۉ‬ऐ‫܋‬ጱฉׂิ੗Վ‫ۉ‬ უĂ੗Վೕ୲‫ڦ‬ෙ၎ኟ၀঍ୁ‫ۉ‬უă PWM႑ࡽ(සPWMaHࢅPWMaL)ሞ‫ۉ‬ऐ੦዆ഗ(ᅃӯᆩ‫ت‬ ૙ഗࢅ/ईFPGAํ၄)ዐׂิăኄၵ႑ࡽᅃӯ๟‫گ‬უ႑ࡽLj ᇑ‫ت‬૙ഗࠌ‫ں‬ăྺକኟඓਸഔࢅ࠲Կࠀ୲ৗ༹࠶Ljஇड‫ۉ‬ ೝ႑ࡽ‫ۉڦ‬უ‫ۉ‬ೝࢅ‫ୁۉ‬ൻ‫ీۯ‬૰ՂႷԥ‫ٷݣ‬Lj ଷྔ࣏Ղ Ⴗ৊ႜ‫ۉ‬ೝገ࣑Ljܸٗᅜ၎࠲ࠀ୲ৗ༹࠶݀พटྺথ‫ں‬ए ጚăߵ਍‫ت‬૙ഗሞဣཥዐ‫ڦ‬࿋ዃLjኄၵ႑ࡽ੗ీ࣏ႴᄲҾ ඇਨᇹă ቆटൻ‫ۯ‬ഗ(ස཮3ዐ‫ڦ‬GDRVaLࢅGDRVaH)ኴႜኄዖࠀీă ௅߲ቆटൻ‫ۯ‬ഗIC‫ۼ‬Ⴔᄲᅃ߲ᅜ‫ت‬૙ഗ‫ྺں‬एጚ‫ڦ‬ᇱՉ‫ۉ‬ ᇸ‫ۉ‬უࢅᅃ߲ᅜৗ༹࠶݀พटྺएጚ‫ޭڦ‬Չ‫ۉ‬ᇸăޭՉ‫ۉ‬ ᇸ‫ۉڦ‬უ‫ۉ‬ೝՂႷీࠕਸഔࠀ୲ৗ༹࠶(ཚ‫ྺ׉‬15 V)Ljժᆶ ፁࠕ‫ୁۉڦ‬ൻ‫ీۯ‬૰ઠߴৗ༹࠶ቆट؊‫ۉݣࢅۉ‬ă Vdc+ Processor/FPGA PWMcH PWMcL PWMbH PWMbL PWMaH PWMaL Vcc PWMaH VccaH Vcc T1 PWMbH VccbH Vcc T3 PWMcH VcccH T5 GDRVaH Vcc VccL PWMaL GDRVbH GDRVcH Vcc T2 PWMbL VccL Vcc T4 PWMcL VccL T6 GDRVaL Vdc- GDRVbL GDRVcL 3-ph ac Motor ཮3. ‫ۉ‬ऐ੦዆ᆌᆩዐ‫ڦ‬ෙ၎ొՎഗ Page 60 ొՎഗຶ൶้क़ ࠀ୲ৗ༹࠶ᆶᅃ߲ᆶ၌‫ڦ‬ਸ࠲้क़LjᅺُLjฉൃࢅူൃৗ ༹࠶ኮक़‫ڦ‬ஞ੻ۙ዆հႚዐՂႷ֭෇ᅃ߲ຶ൶้क़Ljස཮ 4໯๖ăኄ๟ྺକ‫ݞ‬ኹଇ߲ৗ༹࠶ᅪྔཞ้থཚLjᆅഐߛ უ኱ୁజ၍‫܌‬ୟLj৊ܸሰ‫ׯ‬ဣཥࠤቱࢅ/ई໦࣋‫ޅ‬၃ăຶ൶ ้क़‫܈׊ڦ‬ᆯଇ߲ᅺ໎ਦۨǖৗ༹࠶ਸ࠲้क़ࢅቆटൻ‫ۯ‬ ഗ‫د‬๼ჽ‫׿‬฿ದ(Ԉઔ฿ದ‫ڦ‬ඪࢆ೏ᅎ)ă࣑ჾኮLjຶ൶้ क़ՂႷ੊୯PWM႑ࡽٗ‫ت‬૙ഗ‫ڟ‬ฉൃࢅူൃቆटൻ‫ۯ‬ഗ ኮक़‫ڦ‬ৗ༹࠶ቆट‫ڦ‬ඪࢆ‫د‬๼้क़ֶᅴă PWM PWM PWMH PWML Dead Time ཮4. ຶ൶้क़֭ց ຶ൶้क़ࣷᆖၚแे‫ۉڟ‬ऐ‫ڦ‬ೝ਩‫ۉ‬უLjᆮഄ๟ሞ‫گ‬໏ሏ ገ้ăํाฉLjຶ൶้क़ࣷ‫ټ‬ઠᅜူৎຼ࢛ۨ‫ڦ܈ޗ‬ဃֶ ‫ۉ‬უǖ ഄዐLjVERRORྺဃֶ‫ۉ‬უLjtDEADྺຶ൶้क़LjtONࢅtOFFྺৗ ༹࠶ਸഔࢅ࠲Կჽ‫้׿‬क़LjTSྺPWMਸ࠲ዜ೺LjVDCྺ኱ ୁజ၍‫ۉ‬უLjVSATྺࠀ୲ৗ༹࠶‫ڞڦ‬ཚጒༀუইLjVDྺܾ ट࠶‫ڞ‬ཚ‫ۉ‬უă ‫ړ‬ᅃ߲၎‫߀ୁۉ‬Վ‫ݛ‬ၠ้Ljဃֶ‫ۉ‬უ߀ՎटႠLjᅺُLj‫ړ‬ ၍ୟ‫ࡗୁۉ‬ଭ้Lj‫ۉ‬ऐ၍क़‫ۉ‬უ݀ิ঩ሂՎࣅăኄࣷᆅഐ ኟ၀एհ‫ۉ‬უ‫ڦ‬ၿհLj৊ܸሞ‫ۉ‬ऐዐׂิၿհ‫ୁۉ‬ă‫ܔ‬ᇀ MS-2758 ਸ࣍ൻ‫֑ۯ‬ᆩ‫ڦ‬ড‫گٷ‬ፆੇ‫ۉ‬ऐLjኄ๟ᅃ߲༬՚ዘᄲ‫ڦ‬࿚ ༶Ljᅺྺၿհ‫ୁۉ‬੗ీ࢔‫ٷ‬Lj‫ڞ‬ዂ‫گ‬໏ና‫ۯ‬Ă౦ਈ࿖հࢅ ၿհेඤă ሞᅜူཉॲူLjຶ൶้क़‫ۉܔ‬ऐ๼‫ۉ؜‬უ฿ኈ‫ڦ‬ᆖၚፌჹዘǖ  x ߛ኱ୁజ၍‫ۉ‬უ  x ‫ຶ׊‬൶้क़  x ߛਸ࠲ೕ୲  x ‫گ‬໏߾ፕLj༬՚๟ሞ੦዆໙݆࿄ཁेඪࢆց‫ڦ׋‬ਸ ࣍ൻ‫ۯ‬ዐ ‫گ‬໏߾ፕ࢔ዘᄲLjᅺྺኟ๟ሞኄዖఇ๕ူLjแे‫ۉڦ‬ऐ‫ۉ‬ უሞඪࢆ൧઄ူ‫گ׉ݥۼ‬Ljຶ൶้क़‫ڞ‬ዂ‫ڦ‬ဃֶ‫ۉ‬უ੗ీ ๟໯แे‫ۉ‬ऐ‫ۉ‬უ‫ٷ࢔ڦ‬ᅃև‫ݴ‬ăُྔLjဃֶ‫ۉ‬უ‫ڞ‬ዂ‫ڦ‬ ౦൸۶‫ڦۯ‬ᆖၚ߸ᆶ࡞Ljᅺྺ‫ܔ‬ဣཥ࠹Ⴀ‫୳ڦ‬հኻᆶሞড ߛ໏‫֍ူ܈‬੗ᆩă ሞ໯ᆶኄၵ֖ຕዐLjຶ൶้क़‫܈׊‬๟ྸᅃ๴߰૗๕ቆटൻ ‫ۯ‬ഗरຍᆖၚ‫֖ڦ‬ຕăຶ൶้क़‫ڦ܈׊‬ᅃև‫ݴ‬๟ᆯࠀ୲ৗ ༹࠶‫ڦ‬ਸ࠲ჽ‫้׿‬क़ਦۨ‫ڦ‬Lj‫ڍ‬ഄᇆև‫ݴ‬ᇑ‫د‬խჽ‫׿‬฿ದ ᆶ࠲ăሞኄ‫ݛ‬௬Lj࠼߰૗ഗ၂඗փස‫߰ى‬૗रຍă ᆌᆩ๖૩ ྺକຫ௽ຶ൶้क़‫ۉܔ‬ऐ‫ୁۉ‬฿ኈ‫ڦ‬ᆖၚLjူ௬ߴ‫؜‬କए ᇀෙ၎ొՎ‫ڦ‬ਸ࣍‫ۉ‬ऐൻ‫ڦۯ‬঳ࡕăొՎഗቆटൻ‫ۯ‬ഗ֑ ᆩ ADIࠅ ິ ‫ ߰ ى ڦ‬૗ ഗ (ADuM4223)Lj ኱ থ ൻ ‫ ۯ‬IR‫ڦ‬ IRG7PH46UDPBF 1200 V IGBTă኱ୁజ၍‫ۉ‬უྺ700 Văొ Վഗൻ‫ۯ‬ਸ࣍V/f੦዆ఇ๕ူ‫ڦ‬ෙ၎ߌᆌ‫ۉ‬ऐă૧ᆩፆႠ‫ݴ‬ უഗࢅ‫ۉୁݴ‬ፆLjժ঳ࢇ߰૗๕∑-Δۙ዆ഗ(ཞᄣ๟ઠጲADI ࠅິ‫ڦ‬AD7403)Lj‫ݴ‬՚֪ଉ၍‫ۉ‬უࢅ၎‫ୁۉ‬ă߳ۙ዆ഗ๼‫؜‬ ‫ڇڦ‬࿋ຕ਍ୁԥໃ዁੦዆‫ت‬૙ഗ(ADIࠅິ‫ڦ‬ADSP-CM408) ‫ڦ‬sinc୳հഗLjຕ਍ሞഄዐ৊ႜ୳հࢅ؏ൽࢫLjׂิ‫ۉ‬უ ࢅ‫ୁۉ‬႑ࡽ‫ڦ‬৛ඓ՗๖ă sincຕጴ୳հഗ๼‫ڦ؜‬၍‫ۉ‬უํ֪঳ࡕස཮5໯๖ăํा၍ ‫ۉ‬უྺ10 kHz‫ߛڦ‬ਸ࠲ೕ୲հႚLj‫ڍ‬໲ԥຕጴ୳հഗ୳‫أ‬Lj ᅜՍ၂๖࿢்ߌ႗඀‫گڦ‬ೕև‫ݴ‬ă၎ᆌ‫ۉڦ‬ऐ၎‫ୁۉ‬ස཮6 ໯๖ă Page 61 MS-2758 ADuM4223ቆटൻ‫ۯ‬ഗ‫دڦ‬๼ჽ‫׿‬฿ದྺ12 nsLjᅺُ੗ᅜ๑ ᆩIGBTਸ࠲໯Ⴔ‫ڦ‬ਨ‫ܔ‬ፌ‫ຶ܌‬൶้क़ă‫ܔ‬ᇀIR IGBTLjፌ‫܌‬ ຶ൶้क़੗ยዃྺ500 nsăٗፑ཮੗ੂ‫؜‬Ljኄዖ൧઄ူ‫ۉڦ‬ უ฿ኈटၭăཞᄣLj၎‫ୁۉ‬ᄺ๟࢔ࡻ‫ڦ‬ኟ၀հLjᅺُ౦ਈ ࿖հटၭăᆸ཮၂๖ຶ൶้क़༵ߛ‫ڟ‬1 μs้‫ڦ‬၍‫ۉ‬უࢅ၎‫ۉ‬ ୁăُኵ߸ీ‫پ‬՗࠼᳘ࢇቆटൻ‫ۯ‬ഗ‫ڦ‬Ⴔ൱Ljᅺྺഄ‫د‬խ ჽ‫׿‬฿ದࢅ೏ᅎ߸‫ٷ‬ă‫ۉ‬უࢅ‫ڦୁۉ‬฿ኈ਩ᆶ௽၂ሺेă ኄዖ൧઄๑ᆩ‫ߌڦ‬ᆌ‫ۉ‬ऐ๟၎‫ܔ‬ডၭ‫ߛڦ‬ፆੇ‫ۉ‬ऐăሞ߸ ߛࠀ୲‫ڦ‬ዕ‫܋‬ᆌᆩዐLjߌᆌ‫ۉ‬ऐፆੇཚ‫׉‬ᄲ‫ܠڥگ‬Lj‫ڞ‬ዂ ‫ۉ‬ऐ‫ୁۉ‬฿ኈࢅ౦ਈ࿖հሺेă౦ਈ࿖հሞ࢔‫ܠ‬ᆌᆩዐ‫ۼ‬ ׂࣷิᆶ࡞ᆖၚLj૩සǖ‫ۉ‬༱‫ױ‬ፖ๾๢‫ူ܈‬ইईऐႁဣཥ ዐ‫ڦ‬ዡ‫׶‬/૴ዡഗఉ໦ă ཮5. ํ֪၍क़‫ۉ‬ऐ‫ۉ‬უǖ(ፑ)500 nsຶ൶้क़Ǘ (ᆸ)1 μsຶ൶้क़ ྺକຩᆌጺ༹݀ቛ൵๞LjՂႷ֑ൽ‫ٯ‬แઠ໫‫܌‬ኄᅃॠ้֪ क़ă޿ୟ০ዐ‫ڦ‬ଷᅃዷᄲᅺ໎๟ٗ‫ت‬૙ഗ/FPGA๼‫ڟ؜‬ IGBTቆट(ቆटൻ‫ۯ‬ഗ)‫دڦ‬խჽ‫׿‬ăཞᄣLj‫߰ى‬૗ഗ၎‫ܔ‬ ᇀ࠼ბഗॲᆶ௽၂ᆫ๞Ljᇱᅺ๟മኁ‫دڦ‬խჽ‫׿‬ኵ‫׉ݥ‬ ၭLjཚ‫׉‬ሞ50 nsፑᆸLjփም๟ᆖၚᅺ໎ă၎ԲኮူLj࠼᳘ࢇ ഗ‫دڦ‬խჽ‫׿‬ሞ500 nsፑᆸLj቞‫ڟ‬ጺ้Ⴞᇨ໙‫ٷ࢔ڦ‬ᅃև‫ݴ‬ă ཮7. ࠤቱ࠲܏้Ⴞ ‫ۉ‬ऐ੦዆ᆌᆩ‫ڦ‬ቆटൻ‫ۯ‬ഗ࠲܏้Ⴞස཮8໯๖Ljഄዐ‫ت‬ ૙ഗ‫܏࠲ڦ‬ంସ߶ሞIGBTቆट݀พट႑ࡽኮࢫăٗ࠲܏႑ ࡽਸ๔‫ڟ‬IGBTቆटൻ‫ۯ‬႑ࡽথৎ0‫ڦ‬ጺჽ‫׿‬ৈᆶ72 nsă ࡗୁ࠲܏ ཮6. ํ֪‫ۉ‬ऐ‫ୁۉ‬ǖ(ፑ)500 nsຶ൶้क़Ǘ (ᆸ)1 μsຶ൶้क़ ၄‫پ‬ቆटൻ‫ۯ‬ഗ‫ڦ‬ଷᅃ߲ዘᄲ࿚༶๟‫ت‬૙ഗ݀‫܏࠲ڦ؜‬ం ସీᅜ‫ڦ੺ܠ‬໏‫܈‬ሞIGBTฉํ၄ăኄ‫ܔ‬ᇀᅜူ൧઄ዐ‫ࡗڦ‬ ୁ࠲܏࢔ዘᄲǖࡗୁॠ֪փ๟ቆटൻ‫ۯ‬ഗԨว‫ڦ‬ᅃև‫ݴ‬Lj ܸ๟ፕྺॠ֪ᇑ୳հ‫ۉ‬ୟ‫ڦ‬ᅃև‫ेݴ‬ᅜํ၄ăኄ‫ݛ‬௬‫ڦ‬ଷ ᅃ߲უ૰๟߸ߛၳ୲IGBT‫܌ڦ‬ୟఱ๴้क़໫‫܌‬ă‫ُܔ‬Lj IGBTरຍ‫ڦ‬൵๞๟ٗᄽহՔጚ10 μs໫‫ڟ܌‬5 μsฯ዁߸‫܌‬ăස ཮7໯๖Ljࡗୁॠ֪‫ۉ‬ୟཚ‫׉‬Ⴔᄲຕྲ௱้क़ઠ໮٪ࠤቱǗ ၭ঳ ཮8. ࡗୁ࠲܏ቆटൻ‫ۯ‬ഗ้Ⴞ ໜጣට்߸े࠲ጀဣཥႠీĂၳ୲ࢅҾඇLj‫ۉ‬ऐ੦዆ॐࠓ ฾ሞยऺ࿘ॳဣཥ้௬ଣጣනᅮްሗ‫ڦ‬཈቟ăएᇀ࠼᳘ࢇ ഗ‫ڦ‬ቆटൻ‫ۯ‬ഗ๟‫د‬ཥ჋ስLj‫ڍ‬एᇀՎუഗ‫ڦ‬঴ਦ‫ݛ‬ӄփ ৈሞࠀࡼĂ໏‫܈‬Ă้क़࿘ۨႠฉ߸ਏᆫ๞Ljܸ൐සԨ࿔໯ ຎLjᆯᇀ႑ࡽჽ‫׿‬໫‫܌‬LjഄሞဣཥႠీࢅҾඇ‫ݛ‬௬ᄺᆶ௽ ၂ᆫ๞ăኄ๑‫ڥ‬ยऺටᇵ੗ᅜሞ‫ݞ‬ኹฉൃࢅူൃਸ࠲ཞ้ থཚ‫ڦ‬ཞ้Ljᆶӝ࿥‫ں‬໫‫ຶ܌‬൶้क़Lj߀฀ဣཥႠీăُ Page 62 ྔLj໲࣏ኧ‫ܔ׼‬ဣཥంସࢅ‫ٱ‬ဃፕ‫੺߸؜‬໏‫ڦ‬ၚᆌLjኄཞ ᄣీሺഽဣཥ੗੍Ⴀժ༵ߛҾඇႠă६ᇀኄၵᆫ๞Ljएᇀ Վუഗ‫߰ڦ‬૗๕ቆटൻ‫ۯ‬ഗᅙ‫ۉྺׯ‬ऐ੦዆ဣཥยऺ‫ڦ‬ᅃ ߲ዷᄲ჋ስǗഽଜॺᅱဣཥยऺටᇵሞยऺူᅃ߲ၜణ ้Ljӝഗॲჽ‫׿‬ፕྺᅃၜዘᄲᄲ൱ă ֖੊࿔၅ Krakauer DavidLjMS-2576रຍ࿔ቤLj“ೝ࢚߰૗ഗ‫ڦ‬ዷᄲᅺ ໎ᅜඓԍҾඇ”LjADIࠅິLj2014౎ă Muñoz Alfredo R.ࢅThomas A. LipoLj“ਸ࣍PWM-VSIൻ‫ڦۯ‬ ሞ၍ຶ൶้क़ց‫׋‬रຍ”LjĖIEEE‫ۉ‬ᇸ‫ۉ‬ጱࣷ਽ėLj‫ڼ‬14 ਝ‫ڼ‬4೺Lj1999౎7ሆă NGTB15N60S1EGǖIGBT—ఱ‫܌‬ୟLjON Semiconductoră MS-2758 ፕኁ०঻ Dara O’Sullivan๟ADIࠅິ‫ۉ‬ऐᇑࠀ୲੦዆ևோ‫ڦ‬ᅃఁဣཥ ᆌᆩ߾‫ײ‬฾ăഄጆ‫׊‬ଶᇘ๟঍ୁ‫ۉ‬ऐ੦዆ᆌᆩ‫୲ࠀڦ‬ገ࣑ ࢅ੦዆ăDaraᆛᆶҺܻન੔ਖ਼‫ٷ‬ბ߾‫ײ‬ბ๗Ă߾‫ײ‬ຬ๗ࢅ ձ๗ბ࿋ă૴ဣ‫ݛ‬๕ǖdara.osullivan@analog.com。 Maurice Moroney๟ADIࠅິiCoupler®ຕጴ߰૗ഗևோᆐၨ ঢ়૙Ljዷᄲ޶ሴ‫ۉ‬ऐ੦዆Ăഛ‫ీࢅכ‬ᇸᆌᆩዐ‫߰ڦ‬૗๕ቆ टൻ‫ۯ‬ഗࢅ‫ۉ‬უ/‫ୁۉ‬ॠ֪ଶᇘăMauriceᆛᆶҺܻન૧ఐ ૛ਖ਼‫ٷ‬ბ‫ۉ‬ጱ߾‫ײ‬ბ๗ბ࿋ࢅ߾ฆ࠶૙ຬ๗ბ࿋ă૴ဣ‫ݛ‬ ๕ǖmaurice.moroney@analog.com。 TA12881sc-0-11/14 Page 63 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2488 ঍ୁ‫ۉ‬უ‫ۉ‬ऐൻ‫ڦۯ‬ຕጴ߰૗! ፕኁǖGaetano (Guy) FicheraLjBoston Engineering Corporation‫ۉ‬ጱׂ೗ևጺ॔ ాඹ༵ᄲ ߰૗๟঍ୁ‫ۉ‬უ‫ۉ‬ऐൻ‫ۯ‬փ੗‫ڦߪݴ‬ᅃև‫ݴ‬ă‫ۉ‬ഘ߰૗‫ڦ‬ ‫݆ݛ‬ᆶ‫ܠ‬ዖ——ዷᄲ֑ᆩ࠼᳘ࢇഗࢅຕጴ߰૗ഗă๑ᆩຕ ጴ߰૗ഗᇑ‫د‬ཥ‫࠼ڦ‬᳘ࢇഗ၎Բਏᆶຕዖᆫ๞——ഄዐԈ ઔ‫ׯ‬Ԩ߸‫گ‬Ăᇮॲຕଉ߸ณĂ੗੍Ⴀ߸ഽăԨ࿔ᅜ‫د‬ཥ‫ۉ‬ ऐ੦዆ഗยऺྺए‫إ‬Lj‫ܔ‬बዖ߰૗‫݆ݛ‬৊ႜԲডLjᅜ཭၂ ຕጴ߰૗ഗ‫ڦ‬ᆫ๞ă ࠼᳘ࢇഗᇑຕጴ߰૗ഗ‫ڦ‬ԝৠኪ๎ ࠼᳘ࢇഗ๑ᆩLED݀‫ॽ࠼ڦ؜‬ຕ਍ཚࡗ߰૗ቆ‫د‬๼‫ڟ‬ᅃ߲ ࠼‫ܾۉ‬ट࠶ă‫ړ‬LEDਸഔࢅ࠲Կ้Ljॽሞ‫ۉ‬ഘ߰૗࠼‫ܾۉ‬ ट࠶ᅃ‫ิׂ܋‬இडߛࢅ‫گ‬႑ࡽă࠼᳘ࢇഗ‫ڦ‬໏‫܈‬ᇑ࠼‫ܾۉ‬ ट࠶ॠհഗ‫ڦ‬໏୲ᅜतྺഄܾट࠶‫ۉ‬ඹ؊‫้ڦۉ‬क़኱থ၎ ࠲ă༵ื໏‫ڦ܈‬ᅃዖ‫ݛ‬๕๟༵ߛLED‫ୁۉ‬Lj‫ڍ‬ഄ‫پ‬ॏ๟ࠀ ࡼ‫ڦ‬ሺेă ܸएᇀՎუഗ‫ڦ‬ຕጴ߰૗ഗ঺ዺՎუഗᅜ‫ى‬Ⴀ‫ݛ‬๕ॽຕ਍ ཚࡗ߰૗ቆ৊ႜ᳘ࢇăՎუഗ‫ୁۉ‬ஞ؋ཚࡗᅃ߲၍ංLjႚ ‫ׯ‬ᅃ߲࢔ၭ‫ڦ‬ਆև‫ׇى‬Ljܸٗሞଷᅃ߲၍ංิ‫ߌׯ‬ᆌ‫ۉ‬ ୁăՎუഗ‫دڦ‬๼໏୲ጲ඗Բ࠼᳘ࢇഗ੺࢔‫ܠ‬ăܸ൐Վუ ഗྺֶ‫ݴ‬ॐࠓLjਏᆶ‫؜‬෥‫ࠌڦ‬ఇຨՎੇඡ‫܈‬ăଷྔLjᆯᇀ ຕጴ߰૗ഗएᇀՎუഗLjܸ࠼᳘ࢇഗሶएᇀLEDLjᅺُLj ຕጴ߰૗ഗ‫ڦ‬੗੍Ⴀ/MTTFᄲᇺᇺᆫᇀ࠼᳘ࢇഗă ‫ۉ‬ऐൻ‫ۯ‬ยऺዐ‫߰ڦ‬૗ ཮1໯๖ྺBoston Engineering Corporationਸ݀‫ۉߛڦ‬უFlexMC ‫ۉ‬ऐ੦዆ൻ‫(཮઀ڦۯ‬http://www.boston-engineering.com/)Lj ໲ీᇑADSP-CM40xंࢇ႑ࡽ੦዆‫ت‬૙ഗ‫ܔ‬থă໲থ๭ᅃ ߲ཚᆩ঍ୁ๼෇Lj༵ࠃᅃ߲ࠀ୲ᅺຕၯኟ(PFC)മ‫܋‬Ljൻ ‫ۯ‬ᅃ߲ᆦ‫ى‬ཞօ‫ۉ‬ऐ(PMSM)Ljժྺᅃ߲‫ߌدټ‬ഗईփ‫ټ‬ ‫ߌد‬ഗ‫ڦ‬੦዆ጎዃ༵ࠃՂᄲ‫ݒڦ‬ઍۙ૙Ljُጎዃሏႜᇀ ARM® Cortex™-M4ंࢇ႑ࡽ੦዆‫ت‬૙ഗADSP-CM40xतᅃ߲ 16࿋ߛ৛‫܈‬ఇెമ‫܋‬ăዐक़և‫ݴ‬๟ᅃ߲߰૗ቆLj࿋ᇀߛ‫ۉ‬ უ‫ۉ‬ᇸ‫ۉ‬ጱᇮॲࢅ੦዆ഗኮक़ă‫ۉ‬ऐ‫ۉ‬ᇸ‫ۉ‬ጱᇮॲໜߛ‫ۉ‬ უ‫ۉ‬๞ܸ‫ۯޝ‬LjܸADSP-CM40x‫ت‬૙ഗሶᅜথ‫ྺں‬एጚLj ᅺُႴᄲ৊ႜ߰૗ăԨ࿔ॽ༪ஃ჋ስຕጴ߰૗ഗܸ‫ۉ࠼ݥ‬ ᳘ࢇഗॽසࢆ߀฀޿ยऺă 100250V iac vac PFC VDC CDC 3-Phase Bridge Gate Drive ADP1047 vdc Enable Trip + - Motor Phase Current iv,iw 5Viv 5Viw ISOLATION BARRIER ADuM1250 ADuM1401 ADuM1310 ADuM1310 AD7401 AD7401 ADum5000 ADum5000 Motor ENC 5V I2C Enable PWM PWM PWM CLK, CLK, Outputs TRIP Outputs Outputs Data Data ADSP-CM40x Isolated AC Voltage Motor Control Block Diagram ཮1. ‫ۉ‬ऐ੦዆઀཮ Page 64 MS-2488 ሞԿ࣍‫ۉ‬ऐ੦዆ยऺዐLjଇ߲࠲॰‫ڦ‬ᆘॲࠓ‫ྺׯ‬ஞ؋੻‫܈‬ ۙ዆(PWM)੦዆ഗ๼‫ۉࢅ؜‬ऐ၎࿋‫ݒୁۉ‬ઍăኄၵ႑ࡽ (ස઀཮໯๖)ཚࡗ߰૗ቆăଷྔLj߰૗ഗ‫ڦ‬๑ᆩ࣏੗ࣳत बዖഄ໱ࠀీLjԈઔຕጴཚ႑ࢅ‫ۉگ‬უĂ‫߰ࢅࡼࠀگ‬૗ DC-DCገ࣑ă PWM߰૗ ‫୲ࠀܔ‬प৊ႜஞ؋੻‫ۙ܈‬዆Ljኄ๟໯ᆶ‫ۉ‬ऐൻ‫ࢃڦۯ‬႐໯ ሞăਸ࠲ೕ୲‫ྷݔ‬ᅃӯྺ10 kHz – 20 kHzăሞᆫࣅ੦዆Ⴀీ ้Lj‫ܔ‬ஞ؋੻‫܈‬Ăཕው้क़ࢅཚ‫ڢ‬क़ჽ‫ڦ׿‬৛௢੦዆၂‫ڥ‬ ዁࠲ዘᄲăሞྺPWM੦዆႑ࡽ჋ስ๢‫߰ڦړ‬૗ഗॲ้Lj ຕጴ߰૗ഗሞႠీࢅ‫ׯ‬Ԩଇ߲‫ݛ‬௬‫ۼ‬ᄲᇺᇺᆫᇀཞप՚‫ڦ‬ ࠼᳘ࢇഗ჋ၜ(९՗1ዐ‫ڦ‬Բড)ă ՗1. PWMຕጴ߰૗ഗᇑ࠼᳘ࢇഗ‫ڦ‬Բড ؅٫(ೝ‫ݛ‬ᆈ٫) ഥೌ۩ଉ‫ׯ‬Ԩ(ெᇮ/ೌ) ᇮॲຕଉ ፌ‫ٷ‬໏୲(Mbps) ፌ‫دٷ‬խჽ‫(׿‬ns) ๼‫؜‬ฉื/ူই้क़(ns) ཚ‫ڢ‬क़೅ದ(ns) ‫঻ۉ‬ዊ߰૗(Vrms) MTTF(10^6ၭ้) ࠀࡼ(mW) PWM߰૗ ADuM1310 ࠼᳘ࢇഗ঴ਦ‫ݛ‬ӄ 0.5 0.45 3.98 9.72 2 6 90 50 32 650 2.5 550 2 500 2500 3750 318 12.7 15 105 ૩සLj੦዆ഗॽሞਸ࠲႑ࡽኮक़ᆅ෇ཕው้क़Ljᅜ‫ݞ‬ኹඪ ࢆߛ‫܋گࢅ܋‬ৗ༹࠶‫ܔ‬ཞ้‫(ڞد‬न኱ཚ)ăཕው้क़ྺࠀ ୲ਸ࠲‫ڦ‬ਸഔࢅ࠲Կჽ‫׿‬ᅜत߰૗‫ۉ‬ୟ໯ዂჽ‫ڦ׿‬փඓۨ Ⴀ‫ࡧڦ‬ຕăADuM1310ຕጴ߰૗ഗ‫ڦ‬ཚ‫ڢ‬क़೅ದ้क़ৈྺ 2 nsLj࠼᳘ࢇഗሶߛ‫ٳ‬500 nsă֑ᆩຕጴ߰૗ഗ੗ᅜ‫ޗٷ‬໫ ३ཕው้क़Ljܸ༵ٗߛࠀ୲ొՎഗ‫ڦ‬ႠీăଷྔLjසԲড ՗ዐ໯๖Lj‫أ‬କႠీᅜྔLjADuM1310࣏๟ᅃዖण‫߸܈ׯ‬ ߛ‫ڦ‬঴ਦ‫ݛ‬ӄLj੗ᅜ३ณᇮॲຕଉࢅ࿿ଙ‫ׯ‬Ԩă ‫ۉ‬ऐ၎࿋‫ୁۉ‬ ‫ܠ‬ຕߛप‫ۉ‬ऐൻ‫ۯ‬ᅜ‫ۉ‬ऐ၎࿋‫ྺୁۉ‬ዷ‫ݒ‬ઍăྺକ༵ࠃ૶ Ⴤ‫ݒڦ‬ઍLjॽ‫ۉگג‬ፆ‫ۉୁݴ‬ፆᇑ‫ۉ‬ऐ၎࿋‫૴ز‬ഐઠă඗ ܸLjኄࣷሺे‫ۉ‬ୟ‫ްڦ‬ሗႠLjᅺྺႴᄲ֪ଉࡹ‫ޚ‬प‫ڦ‬႑ࡽ ᅜतᅜ੺໏dv/dtߛೕൎ࣑‫ڦ‬ӥ‫ޚ‬पࠌఇ‫ۉ‬უӦ‫ޗ‬ă‫ܔ‬ᇀኄ ዖยऺLjଇ߲AD7401A߰૗๕Σ-Δۙ዆ഗᆩઠ֪ଉ‫ۉ‬ऐජ ፇ‫ୁۉ‬Ljຕጴ࿋ୁሶᆯADSP-CM40xฉ‫ڦ‬ຕጴࡗ୳‫ۉ‬ୟ৊ ႜ‫ت‬૙ăADSP-CM40x‫ాڦ‬ዃsinc୳հഗሎႹᇑ߰૗๕Σ-Δ ႙ۙ዆ഗํ၄࿮‫૶ފ‬থă‫ڼ‬ෙ၎‫ୁۉ‬੗ᅜएᇀଷྔଇ၎‫ۉ‬ ୁᅜຕბ‫ऺ݆ݛ‬໙‫ڟڥ‬Ljᅜ३ณࠀࡼĂই‫گ‬ᇮॲ‫ׯ‬Ԩă AD7401Aሞ‫ހڇ‬ጎዐण‫ׯ‬କᅃֶ߲‫֑ݴ‬ᄣԍ‫׼‬पĂᅃ߲ Σ-Δۙ዆ഗࢅຕጴ߰૗ऐ዆ăߛ‫ۉ‬უ‫܋‬ఇె႑ࡽԥገ࣑‫ׯ‬ ᅃ߲ຕጴ‫ز‬ႜຕ਍ୁLj඗ࢫཚࡗ߰૗ቆ‫د‬๼዁‫ۉگ‬უ‫܋‬ă AD7401A࣏ࡤᆶᅃ้߲ዓ๼෇ᆅগLjኻႴᅃ้߲ዓᇸLjन ੗ཞ้‫߳ܔ‬ഗॲ৊ႜ֪ଉăኟස՗2໯๖Lj๨‫ׇ‬ฉ‫ڦ‬ඓ٪ ሞण‫ׯࢅ܈ׯ‬Ԩૌຼ‫࠼ڦ‬᳘ࢇഗǗ඗ܸLjຕጴ߰૗ഗरຍ ሞࠀࡼĂ໏‫ࢅ܈‬੗੍Ⴀ‫ݛ‬௬‫ڦ‬՗၄ධ඗߸े཭‫؜‬Ljኄ๟ᇑ ഗॲ‫ڦ‬ए‫إ‬঳ࠓ၎࠲‫ڦ‬Lj߸փᆩຫAD7401A‫؜‬෥‫ۙڦ‬዆ഗ Ⴀీă ՗2. ၎࿋‫ୁۉ‬ຕጴ߰૗ഗᇑ࠼᳘ࢇഗԲড ؅٫(ೝ‫ݛ‬ᆈ٫) ഥೌ۩ଉ‫ׯ‬Ԩ(ெᇮ/ೌ) ᇮॲຕଉ ፌ‫ٷ‬໏୲(Mbps) ‫঻ۉ‬ዊ߰૗(Vrms) MTTF(10^6ၭ้) ࠀࡼ(mW) ‫ݴ‬Ր୲(࿋) ሺᅮဃֶ(%) SNR (dB) ฿ۙ೏ᅎ(μV/°C) ၎࿋‫֪ୁۉ‬ଉ AD7401A ࠼᳘ࢇഗ঴ਦ‫ݛ‬ӄ 0.18 0.15 3.8 3.8 1 1 20 10 5000 5000 1576 4.9 70 91 16 16 0.5 1 80 68 3.5 3.5 ຕጴཚ႑ I2C๟ᅃ੼ມ၍Ă‫ݴܠ‬ኧཚ႑থ੨Ljཚ‫׉‬ᆩᇀྺ੦዆ഗ༵ࠃ ຕጴईఇెI/Oકቛీ૰ăኄዖ‫݆ݛ‬ཚ‫׉‬๟ۨ೺॔੦ई߸ ႎ‫ڦ‬Đᅃӯ࠶૙đૌࠀీ‫ڦ‬ᇨା‫݆ݛ‬ăFlexMCߛ‫ۉ‬უ‫ۉ‬ୟ ӱ֑ᆩᅃ߲I2Cথ੨ઠᇑPFC੦዆ഗ৊ႜཚ႑Ljཞ้ᅜᅃ߲ ADCઠ॔੦ጺ၍‫ۉ‬უĂጺ၍‫ࢅୁۉ‬IGBT࿒‫܈‬ă၎‫ݒ‬Ljுᆶ ᅃ੼࠼᳘ࢇഗీࠕ‫ࠃ༵܀ڇ‬I2C߰૗ీ૰ă঳ࡕLjස՗3໯ ๖LjADuM1250ሞ‫ׯ‬ԨĂ؅٫ĂᇮॲຕଉࢅႠీ‫ݛ‬௬‫ۼ‬๟ Բ࠼᳘ࢇഗ߸ਏᆫ๞‫ڦ‬I2C߰૗჋ስăADuM1250ሎႹ ADSP-CM40x੦዆ഗৈৈ๑ᆩᅃ߲ມ၍ྔยথ੨ཚࡗᅃ߲ ߰૗ഗ‫ۉߛܔ‬უ‫ڦ܋‬໯ᆶኄၵࠀీ৊ႜ॔੦ă Page 65 ՗3. I2Cຕጴ߰૗ഗᇑ࠼᳘ࢇഗ‫ڦ‬Բড ؅٫(ೝ‫ݛ‬ᆈ٫) ‫ׯ‬Ԩ(ெᇮ) ᇮॲຕଉ ፌ‫ٷ‬໏୲(Mbps) ‫঻ۉ‬ዊ߰૗(Vrms) MTTF(10^6ၭ้) ࠀࡼ(mW) ‫ݴ‬Ր୲(࿋) ሺᅮဃֶ(%) ฿ۙ೏ᅎ(μV/°C) ၎࿋‫֪ୁۉ‬ଉ AD7401A ࠼᳘ࢇഗ঴ਦ‫ݛ‬ӄ 0.3 0.2 3.8 3.8 1 1 20 10 5000 5000 1576 4.9 70 91 16 16 0.5 1 3.5 3.5 ߰૗‫ۉ‬ᇸ ຕጴ߰૗ഗरຍߴኄዖยऺ‫ټ‬ઠ‫ڦ‬ଷᅃᆫ๞ሞᇀ੗ᅜׂิ ‫ۉگג‬ೝ‫߰ڦ‬૗‫ۉ‬ᇸăଇ߲ADuM5000ഗॲᆩᇀׂิ5 V߰ ૗‫ۉ‬ᇸLjਏԢፌߛ500 mW‫୲ࠀڦ‬๼‫ీ؜‬૰ăኄၵᆩᇀൻ‫ۯ‬ Σ-Δገ࣑ഗ‫ڦ‬ఇె‫܋‬Ljࢫኁࣷໜ੺໏Վࣅ‫ۉڦ‬ऐ‫ۉ‬უܸ‫ޝ‬ ‫ۯ‬ăኄၵ߰૗‫ۉ‬ᇸᇑຕ਍߰૗ഗ֑ᆩ၎ཞ‫ڦ‬रຍLjᅺُLj ໲்‫ాۼ‬ዃକᅃ߲ਸ࠲ೕ୲ྺ180 MHz‫ڦ‬Վუഗăኄᅃೕ୲ ԲՔጚDC-DCገ࣑ഗߛ‫؜‬ෙ߲ຕଉपLjᅺܸሎႹ‫ޗٷ‬໫३ ؅٫ăADuM5000ഗॲ֑ᆩSOIC-16‫ހ‬ጎLj๟༵ࠃ‫߰୲ࠀگ‬ ૗‫ۉ‬უ‫ڦ‬ᅃዖ०Ս‫ݛ‬ӄă MS-2488 ፕኁ०঻ Gaetano (Guy) Fichera๟Boston Engineering Corporation‫ۉ‬ጱ ׂ೗ևጺ॔(http://www.boston-engineering.com/)ăBoston Engineering Corporation๟ᅃॆ߾‫ײ‬ጧკ‫ޜ‬ခࠅິLj௬ၠฆ ᄽࢅአުऐࠓยऺਸ݀ႎᅃ‫ׂپ‬೗঴ਦ‫ݛ‬ӄă࿢்༵ࠃੵ ბ੔‫ܓཷײ߾ڦ‬Ljీࠕྺਜ਼ࢽ༵ࠃٗ߁౒ᄓኤ‫ڟ‬ኝׂ߲೗ ิంዜ೺‫ڦ‬ӻዺኸ‫ڞ‬ă࿢்ೞ঺ٗऐഗට‫ްڟ‬ሗ‫ڦ‬ऐ‫ۉ‬ဣ ཥतࠃᆌ૾ਸ݀‫ڦ‬ጆᄽ૰ଉLj৑૰ӻዺਜ਼ࢽ঴ਦ௅ཀ௬‫ܔ‬ ‫ڦ‬వ༶Ljጲวᄺሞփ܏‫׊ׯ‬጑‫ٷ‬ă One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA11626sc-0-9/13(A) Page 66 www.analog.com/cn ©2013 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . ຕጴ߰૗ഗྺ߾ᄽ‫ۉ‬ऐൻ‫ۯ‬ᆌ ᆩ‫ټ‬ઠႠీᆫ๞ ፕኁǖBob BrianoLjADIࠅິᆐၨࢅᆌᆩঢ়૙ǗAengus MurrayLjADIࠅິ‫ۉ‬ऐࢅࠀ୲੦዆ᆌᆩঢ়૙ ०঻ ߾ᄽ‫ۉ‬ऐൻ‫ۯ‬ዐ๑ᆩ‫ۉڦ‬ጱ੦዆ՂႷీሞܱଝ‫ۉڦ‬ഘ ࣍ৣዐ༵ࠃডߛ‫ڦ‬ဣཥႠీă‫ۉ‬ᇸ‫ۉ‬ୟࣷሞ‫ۉ‬ऐජፇ ฉ‫ڞ‬ዂ‫ۉ‬უᄂघሺ၄ၡLjܸኄၵ‫ۉ‬უᄂሶ੗ᅜ‫ۉ‬ඹ᳘ ࢇ৊‫ۉگ‬უ‫ۉ‬ୟኮዐă‫ۉ‬ᇸ‫ۉ‬ୟዐLj‫ۉ‬ᇸਸ࠲ࢅसิ ᇮॲ‫ݥڦ‬૙ၙႜྺᄺׂࣷิߌႠ᳘ࢇሯำă੦዆‫ۉ‬ୟ ᇑ‫ۉ‬ऐࢅ‫ߌد‬ഗኮक़‫ۉ׊ڦ‬મႚ‫ܠׯ‬ዖୟ০Lj੗ॽሯ ำ᳘ࢇ‫ڟ‬੦዆‫ݒ‬ઍ႑ࡽዐăߛႠీൻ‫ۯ‬ഗႴᄲՂႷᇑ ߛሯำ‫ۉ‬ᇸ‫ۉ‬ୟ߰૗ਸ‫ߛڦ‬ԍኈ‫ݒ‬ઍ੦዆ࢅ႑ࡽăሞ ‫ۆ‬႙‫ڦ‬ൻ‫ۯ‬ဣཥዐLjԈઔ߰૗ቆटൻ‫ۯ‬႑ࡽLjᅜՍॽ ొՎഗĂ‫ࢅୁۉ‬࿋ዃ‫ݒ‬ઍ႑ࡽൻ‫ۉڟۯ‬ऐ੦዆ഗLjᅜ त߰૗߳ጱဣཥኮक़‫ڦ‬ཚ႑႑ࡽăํ၄႑ࡽ߰૗้Lj փ‫ڥ‬ဎึ႑ࡽୟ০‫੻ټڦ‬Ljᄺփ‫ڥ‬၂ዸሺेဣཥ‫ׯ‬ Ԩă࠼᳘ࢇഗ๟ੵሁ߰૗ቆํ၄Ҿඇ߰૗‫دڦ‬ཥ‫ݛ‬ ݆ă৑࠶࠼᳘ࢇഗᅙ๑ᆩຕๆ౎Ljഄփፁᄺࣷᆖၚဣ ཥपႠీă Վ ໏‫ۉ‬ऐൻ‫ۯ‬ഗሞ߾ᄽᆌᆩዐ‫ݘ࠽ڦ‬๑ᆩ ᄲࡃࠀᇀߛၳ‫ۉ‬ᇸਸ࠲ࢅਏᆶ‫ׯ‬Ԩᆫ๞ ‫ۉڦ‬ጱ੦዆‫ۉ‬ୟăยऺฉ‫ڦ‬ઓవሶ๟ᆩ ‫گ‬უ੦዆‫ۉ‬ୟ᳘ࢇߛࠀ୲ਸ࠲‫ۉ‬ୟLjܸփဎึੇሯႠీ ईਸ࠲໏‫܈‬ă रຍ࿔ቤ MS-2302 Vdc (>300V) Inverter Leg + GDH iT Motor Cdc io cable Encoder GDL vsh iD + vo ཮1. Ԉઔसิᇮॲ‫ొڦ‬Վഗ‫ۉ‬ୟă ၄‫پ‬ਸ࠲ొՎഗ‫ڦ‬ၳ୲ᅃӯ‫ࡗג‬95%Lj໯ᆩࠀ୲ৗ༹࠶ ਸ࠲࣏੗૶থߛუ኱ୁࡆߛࡆᇑ‫ࡆگ‬ኮक़‫ۉڦ‬ऐජፇă ኄᅃࡗ‫ײ‬੗ᅜ३ณొՎഗ‫ڦ‬໦ࡼLjᅺྺࠀ୲ৗ༹࠶߾ፕ ᇀྜඇԏࢅఇ๕ူLjܸ޿ఇ๕ࣷই‫ڦ้ڞدگ‬უইࢅࠀ ୲໦ࡼăਸ࠲ࡗ‫ײ‬ዐ࣏٪ሞ‫୲ࠀڦྔܮ‬ৗ༹࠶໦ࡼLjᅺ ྺሞُ೺क़Ljৗ༹࠶ฉᆶᅃড‫ۉڦٷ‬უLjᇑُཞ้Lj޶ ሜ‫ୁۉ‬ሞߛĂ‫୲ࠀگ‬ยԢኮक़৊ႜൎ࣑ăࠀ୲ӷ‫ࠅ༹ڞ‬ ິยऺ‫؜‬IGBTኮૌਸ࠲้क़ড‫ڦ܌‬ৗ༹࠶Ljᅜ३ณኄ ዖਸ࠲ࠀ୲໦ࡼă඗ܸLjኄዖডߛ‫ڦ‬ਸ࠲໏‫܈‬ᄺࣷ‫ټ‬ઠ ᅃၵ࿮ᆩ‫ޭڦ‬ፕᆩLjԲසਸ࠲ሯำሺेă ሞൻ‫ۯ‬ഗ੦዆‫܋‬LjVLSI߾ᅝ‫׼ڦ‬Ⴤ৊օ߀฀କंࢇ႑ࡽ ੦዆‫ۉ‬ୟ‫ׯڦ‬ԨࢅႠీLjྺߛपຕጴ੦዆໙݆‫ݘ࠽ڦ‬ᆌ ᆩᅜत঍ୁ‫ۉ‬ऐၳ୲‫ظߛ༵ڦ‬ሰକཉॲă༵ืႠీ޲‫؜‬ ‫پڦ‬ॏ๟IC߾ፕ‫ۉ‬უٗ12 V዁5 Vই‫گ‬዁၄ሞ‫ڦ‬3.3 VLj ঳ࡕ༵ߛକ‫ܔ‬ሯำ‫ڦ‬ଳ௺‫܈‬ăኄዖ‫د‬ཥ‫ڦ‬ሯำࡗ୳‫݆ݛ‬ ཚ‫׉‬փ໿๢ᆩLjᅺྺྫྫႴᄲྼ‫׼‬ൻ‫ۯ‬ဣཥ‫੻ټڦ‬Ljܸ ‫੻ټ‬ᅃӯ‫ۼ‬๟ᅃ߲࠲॰‫ڦ‬Ⴀీ֖ຕă Page 67 MS-2302 ‫ۉ‬ऐൻ‫ొۯ‬Վഗ࣍ৣ ෙ၎ొՎഗ๟ᅃዖࠀ୲‫ۉ‬ጱਸ࠲‫ۉ‬ୟLj੦዆ࠀ୲ٗ኱ୁ ࠃ‫ڟࡆۉ‬ෙ߲঍ୁ‫ۉ‬ऐජፇ‫ۯୁڦ‬ăొՎഗᆶෙཉ၎ཞ ‫ེڦ‬Lj௅ཉེԈઔଇ߲IGBTৗ༹࠶ࢅଇ߲ܾट࠶Ljස ཮1໯๖ă௅߲‫ۉ‬ऐජፇ਩૶থ዁ཚࡗ‫ୁݴ‬ഗ૶থߛ‫܋‬ ৗ༹࠶ࢅ‫܋گ‬ৗ༹࠶‫ڦ‬ཞᅃব‫ۅ‬ăొՎഗ๑‫ۉ‬ऐජፇሞ ኱ୁጺ၍‫ߛڦ‬უࡆࢅ‫گ‬უࡆኮक़ൎ࣑Ljᅜ੦዆ೝ਩‫ۉ‬ უăජፇਏᆶटߛ‫ߌۉڦ‬ႠLjॽፆ‫ڦୁۉڔ‬ՎࣅLjᅺ ُLj‫୲ࠀړ‬ৗ༹࠶࠲Կ้Lj‫ॽୁۉ‬ਸ๔ሞ૶থ዁၎‫ۉݒ‬ ᇸࡆ‫ܾڦ‬ट࠶ዐୁ‫ۯ‬ăኄᄣLjन๑ొՎഗࠀ୲ยԢࢅ኱ ୁ૾ୟ‫ۉ‬ඹዐ٪ሞ܏Ⴤ‫ڞد‬Ljᄺࣷᆶ‫૶ୁۉ‬Ⴤୁ‫ۉڟ‬ऐ ජፇዐă‫ۉ‬ऐජፇፆੇ؊‫ړ‬ઠጲొՎഗ‫ߛڦ‬უஞ؋੻‫܈‬ ۙ዆‫ݛ‬հ๼‫ۉ؜‬უ‫گڦ‬ཚ୳հഗă ॽ‫گ‬უ੦዆‫૶ୁۉ‬থ዁ొՎഗ้٪ሞ਎‫ڦٷ‬ઓవăᅃ߲ एԨ࿚༶๟Ljߛ‫܋‬ৗ༹࠶݀พഗব‫ۅ‬ሞߛუጺ၍ߛࠃ‫ۉ‬ ࡆᇑ‫ࡆۉࠃگ‬ኮक़ൎ࣑ă๯ံLjߛ‫܋‬ൻ‫ۯ‬ഗՂႷీࠕൻ ‫ۯ‬၎‫ܔ‬ᇀᅃ߲݀พഗ)੗ీԲࠌᆩ๼෇႑ࡽߛ300 Vईᅜ ฉ*‫ڦ‬ቆट႑ࡽăഄْLjཚࡗ‫ୁݴ‬ഗ(vsh)‫ۉڦ‬ऐ‫ୁۉ‬႑ ࡽՂႷٗ300 Vईᅜฉ‫ࠌڦ‬ఇ‫ۉ‬უዐ༵ൽ‫؜‬ઠăഄ໱࿚ ༶ॽᆯ‫ۉ‬ᇸ‫ۉ‬ୟዐ‫ڦ‬सิᇮॲ‫ڞ‬ዂă‫୲ࠀړ‬ৗ༹࠶ईܾ ट࠶‫ڦ‬ਸ࠲ೕ୲‫ࡗג‬1 A/ns้Ljन๑๟10 nH‫ڦ‬PCBጽ၍ ‫ߌۉ‬ᄺ੗ీ‫ڞ‬ዂ၂ዸ‫ۉڦ‬უ(>10 V)ăसิ‫ࢅߌۉ‬ևॲ‫ۉ‬ ߌࣷ‫ڞ‬ዂናଯLj঳ࡕ๑ยԢਸ࠲ׂิ‫ڦ‬ሯำஞ؋‫׼ڦ‬Ⴤ ้क़Վ‫׊‬ăฯ዁‫ۉ‬ऐ‫ۉ‬મ‫ߛڦ‬ೕፆੇᄺ੗ీ‫ټ‬ઠ࿚༶Lj ᅺྺ‫؜‬ᇀҾඇ੊୯Ljದ‫ۉ‬ӱ੗ీ૗‫ۉ‬ऐ࢔ᇺăഄ໱ၳᆌ Ԉઔሯำٗ‫ۉ‬ऐ᳘ࢇ‫ݒڟ‬ઍ‫ߌد‬ഗ႑ࡽዐLjഄᇱᅺ๟੺ ໏ൎ࣑‫ڦ‬ජፇ‫ۉ‬უհႚă࿚༶ॽՎ‫े߸ڥ‬ჹዘLjᅺྺൻ ‫ۉۯ‬ୟ‫ۨܮ୲ࠀڦ‬ኵॽሺे‫ۉ‬ୟӱ‫ڦ‬࿿૙؅٫Lj঳ࡕॽ ৊ᅃօሺेसิ‫ߌۉ‬Ljฯ዁༵ߛ‫ۉࢅୁۉ‬უਸ࠲໏୲ă ཚࡗ߰૗੦዆ࢅ‫ۉ‬ᇸ‫ۉ‬ୟၩ‫أ‬ሯำ᳘ࢇ၄ၡLj๟ᆌ‫ܔ‬ኄ ᅃ࿚༶‫ڦ‬ዷᄲ߾ਏኮᅃă߰૗‫ۉ‬ୟ‫ڦ‬Ⴀీ๟ਦۨൻ‫ۯ‬Ⴀ ీ‫ڦ‬ᅃ߲࠲॰ᅺ໎ăሞገዡገ‫้ۯ‬Ljገዡ࿋ዃՊஓഗॽ ׂิೕ୲ྺ100 kHzईᅜฉ‫ڦ‬ຕጴஞ؋ୁă඗ܸLjሞႹ ‫ܠ‬൧઄ူLjՊஓഗฉҾጎ‫ۉڦ‬ୟ༵ࣷߛยԢ‫ڦ‬৛‫܈‬Ljժ ๑ຕ਍໏୲ሺे‫ڟ‬10 MbpsᅜฉăଷྔLjੵሁ‫ୁݴ‬ഗ‫ڦ‬ ‫ݒ‬ઍ႑ࡽᄺ੗ᅜ߰૗Lj‫݆ݛ‬๟ံӝຕ਍ገ࣑‫ׯ‬ຕጴ࿋ ୁLj඗ࢫӝ޿࿋ୁᇑ‫ۉࡼࠀگ‬ୟ߰૗ਸઠăኄዖ൧઄ ူLjຕ਍໏୲ྺ10 Mbps዁20 Mbpsă ቆटൻ‫ۉۯ‬ୟ໯Ⴔᄲ‫ڦ‬ਸ࠲ႠీຼࢭժփߛLjᅺྺ‫ۉ‬ऐ ൻ‫ొۯ‬Վഗ‫ڦ‬ਸ࠲໏୲࢔ณ‫ࡗג‬20 kHză඗ܸLjႴᄲሞ ߛ‫܋‬ยԢࢅ‫܋گ‬ยԢ‫ڦ‬ਸ࠲႑ࡽኮक़֭෇ᅃ߲ຶ൶Ljᅜ ‫ݞ‬ኹ݀ิ኱ཚăຶ൶ྺࠀ୲ਸ࠲‫ڦ‬ਸഔࢅ࠲Կჽ‫׿‬ᅜत ߰૗‫ۉ‬ୟ໯ዂჽ‫ڦ׿‬փඓۨႠ‫ࡧڦ‬ຕăຶ൶ჽ‫ొߴࣷ׊‬ Վഗ‫ࡧڿد‬ຕ‫ټ‬ઠ߸‫ݥܠ‬၍ႠLj঳ࡕॽׂิ࿮ᆩ‫ୁۉڦ‬ ၿհLjժ੗ీই‫گ‬ൻ‫ۯ‬ၳ୲ă ᅺُLjੵሁ‫ۉ‬ᇸ‫ۉ‬ୟࢅ੦዆‫ۉ‬ୟኮक़‫߰ڦ‬૗ቆ݀ໃຕ਍ ‫݆ݛڦ‬փ‫ڥ‬ሞਸ࠲ࡗ‫ײ‬ዐ‫ټ‬ઠ้Ⴞ‫ڦ‬փඓۨႠLjժႷਏ Ԣডഽ‫ੇڦ‬ሯీ૰ă ߰૗ഗरຍ‫د‬๼໏୲Բড ߰૗փ‫ߴڥ‬ኝ༹ဣཥႠీ‫ټ‬ઠඪࢆ၂ዸ‫้ڦ‬ႾփඓۨႠ ई้ႾဃֶăՔጚ࠼᳘ࢇഗ‫دڦ‬խჽ‫ྲྺ׿‬௱पLj੗ీ ᅺഗॲܸᅴLjᅺ࿒‫ࢅ܈‬๱ంܸᅴă࠼᳘ࢇഗरຍሞ้Ⴞ Ⴀీ‫ݛ‬௬٪ሞᅃၵߵԨ‫ڦ‬փፁLjܸ၄‫پ‬ຕጴ߰૗ഗ֑ᆩ ྜඇփཞ‫ڦ‬ሏ໙ᇱሶLjഄ໏୲ᄺ߸ߛă ੗ᅜሞᆶ໯ችዔ‫ڦ‬൧઄ူሺे࠼᳘ࢇഗ‫ڦ‬໏୲ă࠼᳘ࢇ ഗ‫߾ڦ‬ፕᇱ૙๟LjॽઠጲLED‫݀࠼ڦ‬ໃ዁ᅃዖ࠼ბཪ௽ ‫߰ڦ‬૗֌ଙLjժᆩଷᅃ‫ܾۉ࠼ڦ܋‬ट࠶ॠ֪࠼ă࠼᳘ࢇ ഗ‫ڦ‬໏‫܈‬ᇑ࠼‫ܾۉ‬ट࠶ॠհഗ‫ڦ‬໏୲ᅜतྺഄܾट࠶‫ۉ‬ ඹ؊‫้ڦۉ‬क़኱থ၎࠲ă३ณ‫د‬խჽ‫ڦ׿‬ᅃዖ‫݆ݛ‬๟ሺ े݀พ‫࠼ڦ‬ଉăཚࡗ༵ߛLED‫ୁۉ‬Lj੗ᅜ๑ჽ‫׿‬३ณ2 ई3ԠLj‫ڍ‬ഄ‫پ‬ॏ๟ยԢࠀࡼࣷሺेLj௅߲ຕ਍ཚ‫ڢ‬ፌ ߛॽ‫ٳ‬50 mWă Page 68 ࠼‫د‬๼໦ࡼăྺକྼ‫׼‬၎ཞ‫߰ڦ‬૗ీ૰LjႴᄲሺेᅃ֫ ֌ଙLj‫پڍ‬ॏ๟‫ׯ‬Ԩᄺॽሺߛă߸੺‫࠼ڦ‬᳘ࢇഗԲՔጚ ‫ׯگڦ‬Ԩ࠼᳘ࢇഗᄲࡍႹ‫ܠ‬Ԡă ၎‫ݒ‬Ljຕጴ߰૗ഗሶ๟֑ᆩՔጚ‫ߛڦ‬໏CMOS߾ᅝLjժ ‫ٲ‬ሜ߰૗๕ೌాྲՎუഗăഄ‫د‬๼໏୲ጲ඗Բ࠼᳘ࢇഗ ੺࢔‫ܠ‬ăডߛ‫ڦ‬໏‫܈‬๟‫ۉ‬ୟࢅยऺᇑิਓઠ‫ڦ‬༬‫ۅ‬Ljփ Ⴔᄲ߸ްሗĂ‫ׯ‬Ԩ߸ߛ‫߰ڦ‬૗֌ଙᄺ੗ํ၄߸ߛ‫ڦ‬໏ ‫܈‬ăՎუഗ੗ᅜᅜፌߛ150 Mbps‫دڦ‬๼໏୲‫ڿد‬ຕ਍Lj ‫د‬խჽ‫گ׿‬዁32 nsLjࠀࡼ<5 mWLjਸ࠲໏୲ྺ25 kHzई ᅜฉă໏‫ڦ੺߸܈‬ଷᅃ߲ࡻ‫ت‬๟Ljཚ‫ڢ‬क़‫ڦ‬೅ದᆫᇀ 5 nsLjԲՔጚ࠼᳘ࢇഗߛ‫؜‬କᅃ߲ຕଉपLjৈᅜ‫ٷ‬ሀᅃ ӷ‫ڇڦ‬࿋ཚ‫ׯڢ‬Ԩन੗ํ၄Բ࠼᳘ࢇഗ੺3዁4Ԡ‫ڦ‬ጝሁ Ⴀీă MS-2302 ߰૗‫ੇڦ‬ሯႠ ሞ‫ۉ‬ऐൻ‫ۯ‬ဣཥዐLj߰૗࣏༵ࠃକᅃ߲‫ݴ‬૗ሯำᇸ‫ڦ‬ऐ ࣷLj‫݆ݛ‬๟ᅜ‫ݛୁۉ‬๕ॽሯำٗࠀ୲ਸ࠲‫ۉ‬ୟࢅ੦዆‫ۉ‬ ୟኮዐ߰૗ਸઠăᅜူ߳ၜኮक़ᆶҾඇ߰૗Ⴔ൱ǖߛუ ጺ၍Ă၍ୟ‫ۉ‬უࢅᆩࢽহ௬Ljᅜཞ้ԍࢺටĂԍࢺഄ໱ ยԢă࣏Ⴔᄲሞࠀీฉ๑ߛ‫܋‬ਸ࠲ࢅ‫܋گ‬ਸ࠲ᇑ੦዆‫ۉ‬ ୟ၎߰૗ă߰૗ᇮॲՂႷీ༵ࠃՂᄲ‫߰ڦ‬૗Ljཞ้ᄺႴ ‫ᙼܔ‬ሗ࣍ৣփ௺ߌă ࢚ଉ߰૗ഗ‫ݴ‬૗‫ں‬ᇘኮक़ߛ໏ሯำ‫ీڦ‬૰‫ڦ‬ኸՔᅃӯ‫׬‬ ྺࠌఇຨՎੇඡ‫(܈‬CMTI)ăCMTIኼሞ࢚ଉᅃ߲߰૗ഗ ሞ߰૗ഗຕ਍ཚ႑փԥሯำ‫ڦ܏ٶ‬൧઄ူLj‫߰ܔ‬૗ቆዐ ‫ۉڦ‬უሯำ‫ڦ‬ᅞ዆ీ૰ăഄ‫ڇ‬࿋๟kV/μsຨՎă ཮2. ࠼᳘ࢇഗాև঳ࠓă ཮3. एᇀՎუഗ‫ڦ‬ຕጴ߰૗ഗ‫ڦ‬঳ࠓă Page 69 MS-2302 ‫ۉ‬უຨՎሯำੵሁ߰૗ቆ‫ڦ‬ୟ০ᅃӯ๟सิ‫ۉ‬ඹੵࡗ߰ ૗ഗዐ‫߰ڦ‬૗ቆă࠼᳘ࢇഗ‫ڦ‬CMTIᅃӯডֶLjྺ 15 kV/μsăᅃၵ၄‫پ‬ຕጴ߰૗ഗ֑ᆩ‫ۉ‬ඹ᳘ࢇຕ਍߰૗ रຍLjഄ႑ࡽࢅࠌఇሯำ๑ᆩཞᅃୟ০ăएᇀՎუഗ‫ڦ‬ ߰૗ഗ)සADI‫ڦ‬iCouplerຕጴ߰૗ഗ*‫ڦ‬႑ࡽୟ০փཞᇀ ሯำୟ০LjഄCMTI‫ڦ‬ኵᅃӯྺ50 kV/μsईᅜฉă ߰૗֌ଙࢅ੗੍Ⴀ ຕጴ߰૗ഗ֑ᆩৗᇶCMOS߾ᅝ዆ሰLjৈ၌ᇀ‫׉‬ᆩ‫ڦ‬ৗ ᇶ֌ଙă‫ݥ‬Քጚ֌ଙࣷ๑ิׂްሗࣅLj‫ڞ‬ዂ੗዆ሰႠՎ ֶ൐‫ׯ‬Ԩ༵ߛă‫׉‬ᆩ‫ڦ‬ਨᇹ֌ଙԈઔ਋ࢇ࿿)ස਋ḅჱ ӃPILj໲੗ᅜ჉ཱ‫ׯ‬ԋఈ*ࢅܾᄟࣅࡂ(SiO2)ăܾኁ਩ਏ ᆶዚ໯ዜኪ‫ڦ‬ਨᇹ༬ႠLjժ൐ᅙঢ়ሞՔጚӷ‫߾༹ڞ‬ᅝዐ ๑ᆩ‫౎ܠ‬ă਋ࢇ࿿๟Ⴙ‫࠼ܠ‬᳘ࢇഗ‫ڦ‬ए‫إ‬Ljፕྺߛუਨ ᇹ༹ਏᆶᆬ৳‫ڦ‬૦๏ă ҾඇՔጚཚ‫ۨࡀ׉‬1‫ݴ‬ዓఱუ‫ۨܮ‬ኵ)‫ۆ‬႙ኵ2.5 kV rms ዁5 kV rms*ࢅ߾ፕ‫ۉ‬უ)‫ۆ‬႙ኵ125 V rms዁400 V rms*ă గၵՔጚᄺࣷࡀۨ߸‫׼ڦ܌‬Ⴤ้क़Ă‫ۉ‬უષᆥ)ස10 kV ‫ރ‬ኵժ‫׼‬Ⴤ50 μs*ፕྺሺഽਨᇹණኤ‫ڦ‬ᅃև‫ݴ‬ᄲ൱ă਋ ࢇ࿿/਋ḅჱӃ߰૗ഗ੗༵ࠃፌࡻ‫߰ڦ‬૗༬Ⴀ)९՗1*ă ਋ḅჱӃຕጴ߰૗ഗᇑ࠼᳘ࢇഗૌຼLjሞ‫ۆ‬႙߾ፕ‫ۉ‬უ ူLj߾ፕ๱ం‫ۉࡗג‬ऐLj‫ۨܮ‬๑ᆩ๱ంྺ50౎ăSiO2߰ ૗ഗ‫߾ڦ‬ፕ๱ంᇑኮথৎLj‫ڍ‬๟Lj‫ీߛܔ‬ષᆥ‫ڦ‬ԍࢺీ ૰ඐডෑă ሞߛ࿒૶Ⴤ๑ᆩ‫ڦ‬൧઄ူLjᆖၚ࠼᳘ࢇഗ๱ం‫ڦ‬੗ీփ ๟߰૗֌ଙ‫ݴڦ‬঴ܸ๟LEDఉ໦ă‫ړ‬࿒‫>܈‬85°C้Lj߾ ፕ1ྤၭ้Lj࠼᳘ࢇഗ‫دୁۉڦ‬๼Բ(CTR)ॽူই10%዁ 20%ă10ྤၭ้้LjCTR੗ీࣷူইᅃӷईᅜฉă ՗1. ߰૗֌ଙႠీԲড एᇀ਋ࢇ࿿‫࠼ڦ‬᳘ࢇ एᇀ਋ḅჱӃ‫ڦ‬ ຕጴ߰૗ഗ एᇀSiO2‫ڦ‬ ຕጴ߰૗ഗ ఱ๴‫ۉ‬უ[1‫ݴ‬ዓ] 7.5 kV rms 5 kV rms 5 kV rms 400 V rms߾ፕ‫ۉ‬უူ‫ڦ‬๱ం 50౎ 50౎ 50౎ ሺഽ‫ۨܮ‬ኵ‫ڦ‬ષᆥ‫ۉ‬ೝ 20 kV 12 kV 6 kV ߰૗ਐ૗ 400 μm 20 μm 8 μm Page 70 ण‫ׯ‬੗ీႠ ࠼᳘ࢇഗLEDࢅᆫࣅ‫࠼ڦ‬ॠհഗփग़ඹ‫ׯگ‬ԨCMOSर ຍăᄲण‫ټׯ‬ඁԏࢅॠ֪ࠀీ‫ڦ‬ቆटൻ‫ۯ‬ĂᆩΣ-Δ ADC ํ၄߰૗‫ୁۉ‬ॠ֪ᅜत‫ܠ‬ၠຕ਍ୁ‫ڪ‬ഄ໱ࠀీLj৽ՂႷ ֑ᆩ‫ܠ‬ႊೌ঴ਦ‫ݛ‬ӄLj঳ࡕॽ๑‫ټ‬ኄၵࠀీ‫࠼ڦ‬᳘ࢇഗ Վ‫׉ݥڥ‬ӆࡍă֑ᆩCMOSरຍࢅ߰૗๕Վუഗ‫ڦ‬ຕጴ ߰૗ഗ੗ᅜໜጣण‫ܸߛ༵ڦ܈ׯ‬ጲ඗ܸ඗‫ں‬ཁेኄၵࠀ ీăᆯᇀՎუഗᄺ੗ᆩઠ݀พ߰૗ࠀ୲LjᅺُLj੗ٗ၎ ཞ‫ހڦ‬ጎ݀พߛ‫୲ࠀ܋‬Ljܸ࿮Ⴔࣷߴగၵᆌᆩ‫ټ‬ઠ࿚༶ ‫ڦ‬ጲਉăణമLj๨‫ׇ‬ฉᆶएᇀՎუഗ‫ڦ‬ຕጴ߰૗ഗLjሞ ‫ހ߲ڇ‬ጎዐण‫ׯ‬କdc/dcገ࣑ഗĂΣ-Δ ADCĂቆटൻ‫ۯ‬ ഗĂI2CĂRS-485๭݀ഗĂRS-232๭݀ഗࢅCAN๭݀ ഗLj๑‫ۉ‬ऐ੦዆ဣཥཞ้ํ၄କ؅٫ࢅ‫ׯ‬Ԩ‫ڦ‬ᆫࣅă MS-2302 ํᆩ‫ڦ‬ᆌᆩ‫ۉ‬ୟ ቛ๖କቆटൻ‫ۯ‬Ăཚ႑ࢅ‫ݒ‬ઍ႑ࡽ߰૗‫ۆڦ‬႙ൻ‫ۉۯ‬ୟ ස཮4໯๖ăሞ޿ဣཥዐLj߰૗‫ڦ‬Σ-Δ ADCᆩઠ֪ଉ‫ۉ‬ ऐජፇ‫ୁۉ‬Ljຕጴ࿋ୁሶᆯ‫ۉ‬ऐ੦዆ICฉ‫ڦ‬ຕጴࡗ୳‫ۉ‬ ୟ৊ႜ‫ت‬૙ă࿋ዃՊஓഗԈࡤᅃ߲ASICLjᆯഄཚࡗᅃ ߲߰૗๕RS-485থ੨ॽ࿋ዃࢅ໏‫܈‬ຕ਍݀ໃߴ‫ۉ‬ऐ੦዆ ICăഄ໱߰૗๕‫ز‬ႜথ੨Ԉઔ૶থPFC‫ڦ‬I2Cথ੨ᅜत૶ থമ௬ӱ‫߰ڦ‬૗๕RS-232૾ୟăሞُ૩ዐLjPWM႑ࡽ ᇑొՎഗఇ੷߰૗LjIGBTᆯᅃ߲ഴ෇޿ఇ੷ዐ‫ۉڦ‬ೝ ገ࣑ቆटൻ‫ۯ‬ഗൻ‫ۯ‬ă ᆶ࠲ADIຕጴ߰૗ഗׂ೗ဣଚ‫ܠ߸ڦ‬႑တLj൩‫ݡ‬࿚ www.analog.com/cn/icoupler ཮4. ‫ۆ‬႙‫ڦ‬ዐ႙߾ᄽ‫ۉ‬ऐൻ‫ۯ‬ဣཥă Page 71 MS-2302 ጨᇸ Ԩ࿔༵‫ׂڦڟ‬೗ ׂ೗ ADP1047 ADuM1250 ADM3251E ADuM1410 ADuM1310 AD7401 ADM2485 ௮ຎ ຕጴࠀ୲ᅺຕၯኟ੦዆ഗLjਏᆶ৛ඓ‫ڦ‬঍ୁࠀ ୲ऺଉࠀీ ඤ֭ӚĂມI2C߰૗ഗ ߰૗๕‫ڇ‬ཚ‫ڢ‬RS-232၍ୟൻ‫ۯ‬ഗ/থ๭ऐ ຺ཚ‫ڢ‬ຕጴ߰૗ഗ ෙཚ‫ڢ‬ຕጴ߰૗ഗ ߰૗๕Σ-Δۙ዆ഗ ߛ໏Ă߰૗RS-485๭݀ഗLjण‫ׯ‬Վუഗൻ‫ۯ‬ഗ ፕኁ०঻ Bob Briano၄ඪADIࠅິຕጴ߰૗ևோ‫ڦ‬ᆐၨࢅᆌᆩঢ় ૙ă໱ᅙሞADIࠅິ߾ፕ20౎LjణമሞADIຕጴ߰૗ׂ ೗և޶ሴਸ݀ႎ႙ຕጴ߰૗ഗăBrianoံิ‫׼‬ᆶ հ๗‫ٷܙ‬ბ߾‫ײ‬ბᇾბ๗ბ࿋ă૴ဣ‫ݛ‬๕ǖ bob.briano@analog.com Aengus Murray၄ሞ๟ADIࠅິ߾ᄽࢅᅏഗᅏ՗๚ᄽև‫ڦ‬ ‫ۉ‬ऐࢅࠀ୲੦዆ᆌᆩঢ়૙Lj޶ሴADI௬ၠ߾ᄽ‫ۉ‬ऐࢅࠀ ୲੦዆‫ڦ‬ኝ߲႑ࡽ૾ׂ೗ဣଚăMurrayձ๗‫׼‬ᆶҺܻન ‫ۼ‬Ӥଠ‫ٷ‬ბ‫ۉ‬ഘ߾‫ײ‬ბბ๗ბ࿋ࢅձ๗ბ࿋ă໱ሞࠀ୲ ‫ ۉ‬ጱ ႜ ᄽ ᆛ ᆶ ‫ ࡗ ג‬25౎ ‫ ޷ ݿ ڦ‬ঢ় ᄓ Lj ሼ ံ ࢫ ሞ RectifierĂKollmorgen Industrial Drivesࢅ‫ۼ‬Ӥଠ‫׭‬๨‫ٷ‬ ბ߾ፕă૴ဣ‫ݛ‬๕ǖAengus.Murray@analog.comă One Technology Way t P.O. 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TA10690sc-0-4/12 Page 72 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2652 ๢ᆩᇀ߾ᄽሏ‫ۯ‬੦዆‫֪ڦ‬ଉरຍ ፕኁǖADIࠅິLjߛपᆌᆩ߾‫ײ‬฾Nicola O'Byrne ߾ᄽሏ‫ۯ‬੦዆ࡥ߃ᅃဣଚᆌᆩLjԈઔएᇀొՎഗ‫ޅڦ‬ขई ԭ੦዆Ăਏᆶ߸ྺްሗ‫ڦ‬঍ୁൻ‫ۯ‬੦዆‫׍߾ڦ‬ጲ‫ࣅۯ‬ᅜत ߛपጲ‫ࣅۯ‬ᆌᆩ(සਏᆶߛपົ‫ޜ‬੦዆‫ڦ‬ऐഗට)ăኄၵဣ ཥႴᄲॠ֪ࢅ‫ݒ‬ઍ‫߲ܠ‬ՎଉLj૩ස‫ۉ‬ऐජፇ‫ୁۉ‬ई‫ۉ‬უĂ ኱ୁ૾ୟ‫ୁۉ‬ई‫ۉ‬უĂገጱ࿋ዃࢅ໏‫܈‬ăሞዮසሺኵࠀీ (සጒༀ॔੦)‫੊ڪ‬୯ᅺ໎ዐLjዕ‫܋‬ᆌᆩႴ൱ĂဣཥॐࠓĂ ణՔဣཥ‫ׯ‬Ԩईဣཥްሗ‫ॽ܈‬ਦۨՎଉ‫ڦ‬჋ስࢅ໯Ⴔ‫֪ڦ‬ ଉ৛‫܈‬ă਍Ԓ‫ڢ‬Lj‫ۉ‬ऐ቞ඇ൰ጺీࡼ‫ڦ‬40%Ljࡔा݆ࡀሁ ઠሁጀዘኝ߲߾ᄽሏ‫ۯ‬ᆌᆩ‫ڦ‬ဣཥၳ୲LjᅺُLjኄၵՎଉ ሁઠሁዘᄲLj༬՚๟‫ۉࢅୁۉ‬უă Ԩ࿔ॽߵ਍‫ۉ‬ऐ‫୲ࠀۨܮ‬ĂဣཥႠీᄲ൱ᅜतዕ‫܋‬ᆌᆩLj ዘ‫ۅ‬༪ஃ߳ዖ‫ۉ‬ऐ੦዆႑ࡽ૾ྊ೫ዐ‫ୁۉڦ‬ᇑ‫ۉ‬უॠ֪ă ሞُ൧઄ူLj‫ۉ‬ऐ੦዆႑ࡽ૾‫ํڦ‬၄ࣷᅺ‫ߌد‬ഗ჋ስĂ‫ۉ‬ ୁ߰૗ᄲ൱Ăఇຕገ࣑ഗ(ADC)჋ስĂဣཥण‫ׯ‬ᅜतဣཥ ࠀࡼࢅথ‫ڦݴࣄں‬փཞܸᆶ໯ֶᅴă ၄‫ڦ‬ԭĂ‫ޅ‬ขࢅუ໫ऐăໜጣဣཥްሗ‫(ߛ༵ڦ܈‬नᅎၠ཮ ೷‫ڦ‬ডߛ‫)܋‬Ljްሗ੦዆ဣཥᄲ൱৛ඓ‫ݒ‬ઍࢅߛ໏ཚ႑থ ੨ă૩ස‫ߌدټ‬ഗईփ‫ߌدټ‬ഗ‫ڦ‬๐ଉ੦዆ߌᆌ‫ۉ‬ऐईᆦ ‫ۉى‬ऐLjᅜतኍ‫཮ܔ‬1ዐ໯๖ၳ୲ܸยऺ‫߾୲ࠀߛڦ‬ᄽൻ ‫ۯ‬ഗ(ස‫ٷ‬႙ԭĂ‫ޅ‬ขࢅუ໫ऐ)ă཮೷‫ڦ‬ፌߛ‫ްྺ܋‬ሗ‫ڦ‬ ົ‫ޜ‬ൻ‫ۯ‬ഗLjᆩᇀऐഗටĂऐ‫ض‬ᅜतཌྷೌऐഗ‫ڪ‬ᆌᆩăໜ ጣဣཥްሗ‫ߛ༵ڦ܈‬LjՎଉ‫ڦ‬ॠ֪ࢅ‫ݒ‬ઍՎ‫ڥ‬ሁઠሁ࠲॰ă ൻ‫ۯ‬ഗॐࠓဣཥࣄ‫ݴ‬ ࿢்ሞยऺ஢ፁ߳ዖ߾ᄽሏ‫ۯ‬੦዆ᆌᆩႴ൱‫ڦ‬ဣཥ้੗ీ ࣷᇜ‫߳ڟ‬ዖ࿚༶ăཚᆩ‫ۉ‬ऐ੦዆႑ࡽ૾ස཮2໯๖ă ཮1.߾ᄽൻ‫ۯ‬ᆌᆩ཮೷ ߾ᄽൻ‫ۯ‬ഗᆌᆩ཮೷ ٗ०‫ొڦڇ‬Վഗ‫ްڟ‬ሗ‫ޜົڦ‬ൻ‫ۯ‬ഗLj‫ۉ‬ऐ੦዆ᆌᆩࡥ߃ ᅃဣଚ‫ۉ‬ऐૌ႙Lj‫ڍ‬໯ᆶ‫ۉ‬ऐ਩Ԉࡤ༬ۨࠀ୲प‫ۉڦ‬ऐ੦ ዆ဣཥLjᅜतਏᆶփཞप՚‫ڦ‬ॠ֪ࢅ‫ݒ‬ઍLj੗ൻ‫ۯ‬ஞ؋੻ ‫ۙ܈‬዆ഗ(PWM)ఇ੷‫تڦ‬૙ഗă཮1ྺᆌᆩ཮೷‫ڦ‬०ࣅ཮Lj ቛ๖କްሗ‫ٗ܈‬ፑ዁ᆸደօ༵ߛ‫߳ڦ‬ዖဣཥLj๯ံ๟०‫ڇ‬ ‫ڦ‬੦዆ဣཥLjස࿮Ⴔ৛௢‫ݒ‬ઍৈ๑ᆩ०‫تྲڇ‬૙ഗन੗ํ ཮2.ཚᆩ‫ۉ‬ऐ੦዆႑ࡽ૾ ߰૗ᄲ൱‫׉ݥ‬ዘᄲLjཚ‫ۉڦิׂܔ׉‬ୟྊ೫ࢅॐࠓਏᆶ၂ ዸᆖၚăႴᄲ੊୯ଇ߲࠲॰ᅺ໎ǖ߰૗‫ڦ‬ᇱᅺࢅ࿋ዃă ߰૗‫ݴ‬ૌ‫ڦ‬ᄲ൱ൽਦᇀമኁă੗ీᄲ൱ߛუҾඇ߰૗ (SELV)ᅜ‫ۉݞ‬ऍLjईࠀీ߰૗ᅜՍሞ‫ݥ‬ዂం‫ۉ‬უኮक़৊ႜ ‫ۉ‬ೝገ࣑Ljईྺํ၄ຕ਍ྜኝႠժၩ‫أ‬ሯᅼܸᄲ൱৊ႜ߰ ૗ă߰૗࿋ዃཚ‫׉‬ᆯဣཥ‫ڦ‬ᇨ೺Ⴀీਦۨă‫ۉ‬ऐ੦዆ཚ‫׉‬ ๟ሞ؊஢‫ۉ‬ሯำ‫ܱڦ‬ଝ࣍ৣዐ৊ႜLj֑ᆩ‫ڦ‬ยऺཚ‫׉‬Ⴔ‫׶‬ ๴ຕӥ‫ࠌڦޚ‬ఇ‫ۉ‬უLj੗ీࣷሞ‫ࡗג‬20 kHz‫ڦ‬ೕ୲ူൎ࣑Lj Page 73 MS-2652 ժਏᆶटߛ‫ڦ‬ຨༀdv/dtฉื้क़ăྺُLjႠీডߛ‫ڦ‬ဣཥ ࢅࠦᆶሯำডߛ‫୲ࠀٷڦ‬ဣཥཚ‫ࣷ׉‬ยऺྺਏᆶᇑ੦዆प ၎߰૗‫୲ࠀڦ‬पă࿮ஃ๟֑ᆩ‫تڇ‬૙ഗ࣏๟ມ‫ت‬૙ഗยऺ‫ۼ‬ ࣷᆖၚ߰૗࿋ዃăሞႠీড‫ࡼࠀگڦگ‬ဣཥዐLjཚ‫׉‬๟ሞຕ ጴཚ႑থ੨ฉ৊ႜ߰૗Ljኄᅪ࿆ጣࠀ୲पࢅ੦዆प‫ت‬ᇀཞᅃ ‫ۉ‬࿋ă‫܋گ‬ဣཥႴ߰૗‫ڦ‬ཚ႑থ੨‫੻ټ‬ড‫گ‬ăᆯᇀߛ‫܋‬ဣཥ ᄲ൱ਏᆶডߛ‫੻ټ‬Lj൐‫د‬ཥ߰૗रຍਏᆶਆ၌ႠLjᅺُLj߰ ૗ߛ‫܋‬ဣཥ‫ڦ‬ཚ႑‫܋‬੨ཚ‫ࣷ׉‬Բডઓవă‫ڍ‬๟ໜጣ‫ى‬Ⴀ߰૗ ‫ڦ‬CANࢅRS-485๭݀ഗׂ೗(සwww.analog.com/cn/icouplerฉ ADIࠅິ‫ׂڦ‬೗)‫ڦ‬࿚๘Lj൧઄ኟሞ݀ิՎࣅă ሞߛႠీԿ࣍‫ۉ‬ऐ੦዆ยऺዐLjଇ߲࠲॰‫ڦ‬ᇮॲࠓ‫ྺׯ‬ PWMۙ዆ഗ๼‫ۉࢅ؜‬ऐ၎࿋‫ݒୁۉ‬ઍă཮3aࢅ཮3bቛ๖କ Ⴔᄲ৊ႜҾඇ߰૗‫ڦ‬࿋ዃLjਏ༹࿋ዃൽਦᇀ੦዆प๟ᇑࠀ ୲पࠌၛ၎ཞ‫ۉڦ‬࿋࣏๟ᅜথ‫ྺں‬एጚă࿮ஃࢆዖ൧઄Lj ߛ‫܋‬ቆटൻ‫ۯ‬ഗࢅ‫ୁۉ‬ॠ֪ব‫ۼۅ‬Ⴔᄲ߰૗Lj‫ڍ‬๟཮3aዐ ‫߰ڦ‬૗‫ڪ‬पփཞLjኄၵব‫ۅ‬ኻႴ৊ႜࠀీ߰૗Ljܸሞ཮3b ዐLjኄၵব‫ڦۅ‬ටᇵҾඇ߰૗(न‫߰ୁۉ‬૗)዁࠲ዘᄲă ཮3a.ᅜࠀ୲पྺएጚ‫ڦ‬੦዆प ‫ۉࢅୁۉ‬უॠ֪‫֪ڦ‬ଉरຍᇑྊ೫ ‫أ‬ฉ࿔໯ຎ‫ڦ‬ဣཥࠀ୲ࢅথ‫ྔݴࣄں‬Ljྺॠ֪‫ۉࢅୁۉ‬უ ܸํ၄‫ڦ‬႑ࡽ૾࣏ࣷᅺ‫ߌد‬ഗ჋ስĂ‫߰ୁۉ‬૗ᄲ൱ĂADC ჋ስᅜतဣཥण‫ڦׯ‬փཞܸᆶ໯ֶᅴăྺํ၄ߛԍኈ֪ଉ ܸ৊ႜ‫ڦ‬႑ࡽۙ૙ժ‫ݥ‬ᅟ๚ă૩සLjሞසُᙼሗ‫ৣ࣍ڦ‬ዐ ࣬ްၭ႑ࡽई‫د‬ໃຕጴ႑ࡽ৽‫׉ݥ‬ਏᆶ཈቟ႠLjܸ߰૗ఇ ె႑ࡽሶ๟߸‫ڦٷ‬཈቟ăሞႹ‫ܠ‬൧઄ူLj႑ࡽ߰૗‫ۉ‬ୟࣷ ᆅഐ၎࿋ჽ‫׿‬๑‫ڥ‬ဣཥ‫ۯ‬ༀႠీ๴၌‫ڦ‬ă၎࿋‫ୁۉ‬ॠ֪ᆮ ഄઓవLjᅺྺ޿ব‫૶ۅ‬থ‫ۉڦ‬ୟব‫ۅ‬ᇑࠀ୲प(ొՎഗఇ ੷)ࢃ႐ዐ‫ڦ‬ቆटൻ‫ۯ‬ഗ๼‫ڦ؜‬ব‫ۅ‬၎ཞLjᅺُሞ߰૗‫ۉ‬ᇸ ࢅਸ࠲ຨՎ‫ݛ‬௬‫ڦ‬Ⴔ൱ᄺ၎ཞăཚ‫ߵ׉‬਍ᅜူෙ߲࠲॰ᅺ ໎ઠඓۨႴሞ‫ۉ‬ऐ੦዆ဣཥዐํแ‫֪ڦ‬ଉ႑ࡽ૾(रຍĂ႑ ࡽۙ૙ࢅADC)ǖ 1. ਦ֪ۨଉႴ൱‫ڦ‬ဣཥዐ‫ۅڦ‬ईব‫ۅ‬ă 2. ‫ۉ‬ऐࠀ୲຤ೝᅜतፌዕ჋ስ‫ߌدڦ‬ഗ(Ԩว๟‫ޏ‬ਏᆶ ߰૗ࠀీ)ă‫ߌد‬ഗ჋ስሞ࢔‫܈ײٷ‬ฉᆖၚጣADC‫ڦ‬ ჋ስLjԈઔገ࣑ഗॐࠓĂࠀీᅜतఇె๼෇‫ྷݔ‬ă 3 ዕ‫܋‬ᆌᆩăኄ੗ླྀ‫ۯ‬ॠ֪႑ࡽ૾ዐ‫ݴߛܔ‬Ր୲Ă৛ ‫܈‬ई໏‫ڦ܈‬Ⴔᄲă૩සLjሞড‫ڦٷ‬໏‫ํాྷݔ܈‬၄ փ‫ߌدټ‬ഗ‫ڦ‬੦዆ᄲ൱৊ႜ߸‫ܠ‬Ă߸ೕ‫ݏ‬Ă߸৛ඓ ‫֪ڦ‬ଉăዕ‫܋‬ᆌᆩ࣏ࣷᆖၚ‫ܔ‬ADCࠀీ‫ڦ‬ᄲ൱ă૩ සLj‫ܠ‬ዡ੦዆੗ీႴᄲཚ‫ڢ‬ຕ߸ߛ‫ڦ‬ADCă ‫ۉࢅୁۉ‬უ‫ߌد‬ഗ ‫ۉ‬ऐ੦዆ዐፌ‫׉‬ᆩ‫ߌدୁۉڦ‬ഗྺ‫ۉୁݴ‬ፆĂऊܻၳᆌ (HE)‫ߌد‬ഗᅜत‫ߌࢻୁۉ‬ഗ(CT)ă໚඗‫ۉୁݴ‬ፆਏᆶ߰૗ ࠀీ൐ࣷሞ‫ୁۉ‬ডߛ้‫؜‬၄໦ࡼLj‫ڍ‬๟໲்๟໯ᆶ‫ߌد‬ഗ ዐፌਏ၍ႠĂ‫ׯ‬Ԩፌ‫گ‬൐๢ᆩᇀ঍ୁࢅ኱ୁ֪ଉ‫ߌدڦ‬ ഗăྺ၌዆‫୲ࠀୁݴ‬໦ࡼ‫ڦ‬႑ࡽ‫ۉ‬ೝປ३ཚ‫ୁݴॽ׉‬ᆌᆩ ၌዆ྺ50 Aई߸‫گ‬ăCT‫ߌد‬ഗࢅHE‫ߌد‬ഗ੗༵ࠃࠦᆶ‫߰ڦ‬ ૗Ljᅺُీࠕᆩᇀ‫ୁۉ‬ডߛ‫ڦ‬ဣཥă‫ڍ‬๟໲்‫ׯڦ‬Ԩ߸ ߛLjժ൐֑ᆩُૌ‫ߌد‬ഗ‫ڦ‬঴ਦ‫ݛ‬ӄሞ৛‫܈‬ฉփत֑ᆩ‫ݴ‬ ୁ‫ۉ‬ፆ‫ڦ‬঴ਦ‫ݛ‬ӄLjኄ๟ᆯᇀُૌ‫ߌد‬ഗԨว‫؛ڦ‬๔৛‫܈‬ ডֶईኁሞ࿒‫ݛ܈‬௬‫ڦ‬৛‫܈‬ডֶă ཮3b.ᅜথ‫ྺں‬एጚ‫ڦ‬੦዆प Page 74 ‫ۉ‬ऐ‫֪ୁۉ‬ଉ࿋ዃࢅྊ೫ ‫ߌدأ‬ഗૌ႙ྔLj࣏ᆶႹ‫ܠ‬੗჋‫ۉڦ‬ऐ‫֪ୁۉ‬ଉব‫ۅ‬ăೝ ਩኱ୁ૾ୟ‫ୁۉ‬न੗஢ፁ੦዆Ⴔ൱Lj‫ڍ‬๟ሞ߸ߛप‫ڦ‬ൻ‫ۯ‬ ഗዐLj‫ۉ‬ऐජፇ‫ୁۉ‬ᆩፕዷ‫ݒ‬ઍՎଉă኱থ၎࿋ජፇ‫ୁۉ‬ ֪ଉ๟૙ၙ‫ڦ‬჋ስLj੗ᆩᇀߛႠీဣཥă඗ܸLjሞ௅߲‫گ‬ ࿋ొՎഗᆅগฉ๑ᆩ‫ୁݴ‬ഗईሞ኱ୁ૾ୟዐ๑ᆩ‫ୁݴ߲ڇ‬ ഗ੗ᅜक़থ֪ଉජፇ‫ୁۉ‬ăኄၵ‫ڦ݆ݛ‬ᆫ๞ሞᇀLj‫ୁݴ‬႑ ࡽඇ‫ۼ‬ᅜࠌᆩ‫ۉ‬ᇸྺएጚLj‫ڍ‬๟ٗ኱ୁ૾ୟ༵ൽජፇ‫ୁۉ‬ ᄲ൱֑ᄣᇑPWMਸ࠲ཞօă֑ᆩᅜฉඪࢆᅃዖ‫ୁۉ‬ॠ֪ रຍ਩੗৊ႜ኱থ၎࿋ජፇ‫֪ୁۉ‬ଉLj‫ڍ‬๟ՂႷ߰૗‫ୁݴ‬ ‫ۉ‬ፆ႑ࡽăߛࠌఇ‫ٷݣ‬ഗ੗༵ࠃࠀీ߰૗Lj‫ڍ‬๟ටᇵҾඇ ߰૗ՂႷᆯ߰૗๕‫ٷݣ‬ഗई߰૗๕ۙ዆ഗ༵ࠃă ཮4.߰૗๕ࢅ‫߰ݥ‬૗๕‫ۉ‬ऐ‫ݒୁۉ‬ઍ ཮4ቛ๖କฉຎ߳ૌ‫ݒୁۉ‬ઍ჋ስă໚඗ኻႴ჋ስഄዐᅃ ዖन੗৊ႜ੦዆‫ݒ‬ઍLj‫࣏ڍ‬੗ॽ኱ୁ૾ୟ‫ୁۉ‬႑ࡽᆩፕԢ ‫ݻ‬႑ࡽᅜ৊ႜԍࢺă සമ໯ຎLjဣཥࠀ୲ࢅথ‫ॽݴࣄں‬ਦۨႴᄲ‫߰ڦ‬૗‫ݴ‬ૌLjժ ܸٗಒ܏‫؜‬๢ᆩ‫ݒڦ‬ઍăဣཥ‫ڦ‬ణՔႠీ࣏ࣷᆖၚ‫ߌد‬ഗ჋ ስई֪ଉरຍăጻ࠵ኝ߲Ⴀీ཮೷Lj࣏੗ํ၄Ⴙ‫ܠ‬ದዃă ‫گ‬Ⴀీ๖૩ǖࠌᆩ‫ۉ‬࿋ฉ‫୲ࠀڦ‬पࢅ੦዆पLjॠ ֪჋ၜAईB ๑ᆩᆅগ‫ୁݴ‬๟ᅃዖፌঢ়षํࣳ‫ۉڦ‬ऐ‫֪ୁۉ‬ଉरຍăሞ Ԩ૩ዐLjࠀ୲पᇑ੦዆पࠌၛཞᅃ‫ۉ‬࿋Ljփ٪ሞᄲ‫ت‬૙‫ڦ‬ ࠌఇLjժ൐჋ၜAई჋ၜB‫ڦ‬๼‫؜‬੗኱থ૶থ዁႑ࡽۙ૙‫ۉ‬ MS-2652 ୟतADCăُૌྊ೫‫׉‬९ᇀྲ‫ت‬૙ഗዐഴᆶADC‫ࡼࠀگڦ‬ ࢅ‫گ‬Ⴀీဣཥă ߛႠీ๖૩ǖ੦዆पথ‫ں‬Ljॠ֪჋ၜCĂDईE ሞԨ૩ዐLjႴᄲ৊ႜටᇵҾඇ߰૗ăॠ֪჋ၜCĂDࢅE਩ ᆶ੗ీăሞ໯ᆶෙ߲჋ၜዐLj჋ၜE༵ࠃፌᆫዊ‫ݒୁۉڦ‬ ઍLjժ൐ፕྺߛႠీဣཥLjဣཥዐ੗ీ٪ሞFPGAईഄ໱ ႚ๕‫تڦ‬૙Lj੗༵ࠃ๢ᆩᇀ߰૗ۙ዆ഗ႑ࡽ‫ڦ‬ຕጴ୳հ ഗă‫ܔ‬ᇀ჋ၜC‫ڦ‬ADC჋ስLjཚ‫֑׉‬ᆩ‫ݴ‬૬๕߰૗‫ߌد‬ഗ (࢔੗ీ๟Կ࣍HE)Ljᅜํ၄Բ๑ᆩ‫ړ‬മഴ෇๕ADCׂ೗߸ ߛ‫ڦ‬Ⴀీăᇑࠌఇ‫ٷݣ‬ഗ၎ԲLj޿ದዃዐ‫ڦ‬჋ၜDྺ߰૗ ๕‫ٷݣ‬ഗLjᅺྺႴᄲ৊ႜҾඇ߰૗ă߰૗๕‫ٷݣ‬ഗࣷ๑Ⴀ ీ๴၌Ljᅺُഴ෇๕ADC঴ਦ‫ݛ‬ӄՍ੗஢ፁႴᄲăᇑ჋ၜ CईE၎ԲLj޿჋ၜ੗༵ࠃԍኈ‫܈‬ፌ‫ݒୁۉڦگ‬ઍăُྔLj ໚඗੗ॽഴ෇๕ADC๫ྺ“௨‫”ݯ‬Ljॽ߰૗๕‫ٷݣ‬ഗ๫ྺ“૸ ॏ”Lj‫ํڍ‬แ้ཚ‫࣏׉‬Ⴔᄲ‫ڦྔܮ‬ፇॲ৊ႜೋᅎց‫ۉࢅ׋‬ ೝገ࣑Ljᅜ৊ႜADC๼෇‫ྷݔ‬೅ದLjܸ༵ٗߛକ႑ࡽ૾‫ڦ‬ ጺ༹‫ׯ‬Ԩă ሞ‫ۉ‬ऐ੦዆ยऺዐLj੗֑ᆩႹ‫ܠ‬ྊ೫ॠ֪‫ۉ‬ऐ‫ୁۉ‬LjժႴ ੊୯‫ܠ‬ዖᅺ໎Lj૩ස‫ׯ‬ԨĂࠀ୲຤ೝᅜतႠీ຤ೝă‫ܠٷ‬ ຕဣཥยऺටᇵ‫ڦ‬ዘᄲణՔ๟߀฀‫ୁۉ‬ॠ֪‫ݒ‬ઍLjᅜሞഄ ‫ׯ‬ԨణՔ‫ߛ༵ాྷݔ‬ၳ୲ă‫ܔ‬ᇀডߛ‫ڦ܋‬ᆌᆩLj‫ݒୁۉ‬ઍ փৈ‫ܔ‬ᇀၳ୲Ljܸ൐‫ܔ‬ᇀഄ໱ဣཥႠీ֪ଉ(ස‫ۯ‬ༀၚᆌĂ ሯำईገਈհ‫)ۯ‬ᄺ዁࠲ዘᄲă࢔၂඗Ljሞ߳ዖ੗ᆩ‫ڦ‬ྊ೫ ዐLj٪ሞႠీᆯ‫૶ڦߛڟگ‬Ⴤ༹Lj཮5ྺٚ୼ᆙพ཮Ljቛ ๖କ‫୲ࠀߛࢅ୲ࠀگ‬჋ၜă ཮5.‫ୁۉ‬ॠ֪ྊ೫Ⴀీ཮೷ Page 75 MS-2652 ‫ۉ‬ऐ੦዆ဣཥยऺටᇵణՔĂႴ൱ᅜत݀ቛ൵ ๞ǖٗHE‫ߌد‬ഗገ࣑዁‫ۉୁݴ‬ፆ ᇑ߰૗๕∑-Δۙ዆ഗ᳘ࢇ‫ۉୁݴڦ‬ፆ੗༵ࠃፌᆫዊ‫ୁۉڦ‬ ‫ݒ‬ઍLjഄዐLj‫ۉୁۉ‬ೝፁࠕ‫گ‬Ljྜඇ੗஢ፁ‫ୁݴ‬Ⴔ൱ăణ മLjဣཥยऺටᇵ‫ڦ‬௽၂ൡၠᇀٗHE‫ߌد‬ഗገ࣑዁‫ۉୁݴ‬ ፆLjժ൐ᇑ߰૗๕‫ٷݣ‬ഗ‫ݛ‬ӄ၎ԲLjยऺටᇵ࣏ൡၠᇀ֑ ᆩ߰૗๕ۙ዆ഗ‫ݛ‬ӄăৈৈ߸࣑‫ߌد‬ഗԨว৽੗ই‫گ‬࿿ଙ ൣ‫(ڇ‬BOM)ࢅPCBጎದ‫ׯ‬Ԩժ༵ߛ‫ߌد‬ഗ‫ڦ‬৛‫܈‬ă‫ۉୁݴ‬ ፆ‫ׇىܔ‬ईऐႁና‫ۯ‬਩փ௺ߌăॽHE‫ߌد‬ഗ༺࣑ྺ‫ۉୁݴ‬ ፆ‫ڦ‬ဣཥยऺටᇵྫྫࣷ჋ስ߰૗๕‫ٷݣ‬ഗLjժीჄ๑ᆩ ኮമሞएᇀHE‫ߌد‬ഗ‫ڦ‬ยऺዐ๑ᆩ‫ڦ‬ADCઠ၌዆႑ࡽ૾ ዐ‫ۉڦ‬ೝՎࣅă඗ܸLjසമ໯ຎLj࿮ஃADCႠీසࢆLj޿ Ⴀీ‫ॽۼ‬๴‫߰ڟ‬૗๕‫ٷݣ‬ഗႠీ‫ڦ‬၌዆ă ܸ൐৊ᅃօॽ߰૗๕‫ٷݣ‬ഗࢅADC༺࣑ྺ߰૗๕∑-Δۙ዆ ഗ੗ၩ‫أ‬Ⴀీ೟ৡLjժ‫߀ٷٷ‬฀ยऺLjཚ‫׉‬੗ॽഄٗ9‫ڟ‬ 10࿋‫ڦ‬ᆫዊ‫ݒ‬ઍ༵ื‫ڟ‬12࿋ăُྔLj࣏੗ದዃ‫ت‬૙∑-Δۙ ዆ഗ๼‫؜‬໯Ⴔ‫ڦ‬ຕጴ୳հഗLjᅜํ၄੺໏OCP࣍ୟLjܸٗ ၩ‫أ‬ఇెࡗୁԍࢺ(OCP)‫ۉ‬ୟăᅺُLjඪࢆBOM‫ݴ‬ဆփৈ ᆌԈઔ߰૗๕‫ٷݣ‬ഗĂᇱ๔ADCĂଇኁኮक़‫ڦ‬႑ࡽۙ૙Lj ܸ൐࣏ᆌԈઔ੗ၩ‫ڦأ‬OCPยԢăAD701A߰૗๕∑-Δۙ዆ ഗएᇀADIࠅິ‫ڦ‬iCoupler®रຍLjਏᆶ±250 mV(ཚ‫׉‬ᆩᇀOCP ‫ڦ‬±320 mV஢ଉ‫ݴֶڦ)ײ‬๼෇‫ྷݔ‬Lj༬՚๢ࢇፆႠ‫ୁݴ‬ഗ֪ ଉLj๟ક‫ُٷ‬൵๞‫ڦ‬૙ၙׂ೗჋ስăఇెۙ዆ഗ‫ܔ‬ఇె๼ ෇‫׼‬ჄൽᄣLjܸ๼෇႑တሶᅜຕ਍ୁ௢‫ڦ܈‬ႚ๕Ԉࡤሞຕ ጴ๼‫ాୁ؜‬Ljഄຕ਍໏୲ፌߛ੗‫ٳ‬20 MHzăཚࡗ๢‫ڦړ‬ຕ ጴ୳հഗ(ཚ‫ྺ׉‬๢ᆩᇀ৛௢‫֪ୁۉ‬ଉ‫ڦ‬Sinc3୳հഗ)੗ዘ ࠓᇱ๔႑တăᆯᇀ੗ሞገ࣑Ⴀీࢅ‫੻ټ‬ई୳հഗඖჽ‫׿‬ኮ क़ፕ‫؜‬඄࢚Ljᅺُ߸०୼Ă߸੺‫୳ڦ‬հഗీࠕᅜ2 μs‫ڦ‬ຕଉ प༵ࠃ੺໏OCPၚᆌLj‫׉ݥ‬๢ᆩᇀIGBTԍࢺă ‫ܔ‬໫ၭ‫ۉୁݴ‬ፆ؅٫‫ڦ‬Ⴔ൱ ٗ႑ࡽ֪ଉ‫ݛ‬௬ઠੂLjణമ‫ڦ‬ᅃၵዷᄲవ༶ᇑ჋ስ‫ۉୁݴ‬ ፆᆶ࠲LjᅺྺႴᄲํ၄ଳ௺‫ࡼࠀࢅ܈‬ኮक़‫ڦ‬ೝ࢚ă‫ٷ‬ፆኵ ॽඓԍ๑ᆩ∑-Δۙ዆ഗ‫ڦ‬ኝ߲ई৑ଉ‫ڦٷ‬ఇె๼෇‫ྷݔ‬Lj ܸٗइ‫ڥ‬ፌ‫ۯڦٷ‬ༀ‫ྷݔ‬ă‫ڍ‬๟Ljᆯᇀ‫ۉ‬ፆࣷ‫؜‬၄I2 × R‫ڦ‬ ໦ࡼLjᅺُLj‫ٷ‬ፆኵ࣏ࣷ‫ڞ‬ዂ‫ۉ‬უူইࢅၳ୲ই‫گ‬ă‫ۉ‬ፆ ጲว‫݀ڦ‬ඤၳᆌܸ‫ڞ‬ዂ‫ݥڦ‬၍Ⴀ൧઄ᄺࣷ๟๑ᆩড‫ۉٷ‬ፆ ໯௬ଣ‫ڦ‬཈቟ăᅺُLjဣཥยऺටᇵ௬ଣጣፑᆸ඄࢚ൽป ᅜत৊ᅃօܱࣅ‫ࡕࢫڦ‬Lj໱்ྫྫႴᄲ჋ስᅃ߲๢‫ٷړ‬ၭ ‫ۉୁݴڦ‬ፆLjᅜ஢ፁփཞ‫ۉୁۉ‬ೝူ߳ዖ႙ࡽࢅ‫ۉ‬ऐ‫ڦ‬Ⴔ ൱ăසࡕ௬‫ܔ‬ຕԠᇀ‫ۉ‬ऐ‫ރڦୁۉۨܮ‬ኵ‫ୁۉ‬LjժႴᄲ੗ ੍վइଇኁ‫ڦ‬ኵLjሶԍ‫ۯ׼‬ༀ‫ྷݔ‬ᄺ๟ᅃ߲వ༶ă੦዆ဣ ཥਸऐ‫ރ‬ኵ‫ీڦୁۉ‬૰ࣷᅺยऺփཞܸᆶ࢔‫ֶٷ‬ᅴLjٗ‫ܮ‬ ۨ‫ୁۉ‬ᅜฉ‫ۯޝ‬ዮස30%‫ڦ‬ჹ߭੦዆Lj‫ٳߛڟ‬10Ԡᇀ‫ۨܮ‬ ‫ڦୁۉ‬ဣຕăे໏ᅜत޶ሜई౦ਈՎࣅᄺׂࣷิ‫ރ‬ኵ‫ۉ‬ ୁă‫ڍ‬๟Ljဣཥዐ‫ރڦ‬ኵ‫ୁۉ‬ཚ‫ت׉‬ᇀൻ‫ۯ‬ഗยऺ‫ۉۨܮ‬ ୁ‫ڦ‬4Ԡ‫ాྷݔ‬ă ௬‫ܔ‬ኄၵవ༶Ljဣཥยऺටᇵኟሞლቴਏᆶ߸੻‫ۯ‬ༀ‫ྷݔ‬ ईਏᆶ߸ߛ႑ሯԲࢅ႑భԲ(SINAD)‫ߛڦ‬Ⴀీ∑-Δۙ዆ഗă ፌႎ‫߰ڦ‬૗๕∑-Δۙ዆ഗׂ೗ਏᆶ16࿋‫ݴ‬Ր୲ժ੗ඓԍߛ ‫ٳ‬12࿋ᆶၳ࿋ຕ(ENOB)‫ڦ‬Ⴀీă SINAD = (6.02 N + 1.76) dBLjഄዐN = ENOB ຩᆌሞ‫ࡼࠀگ‬ൻ‫ۯ‬ഗዐ๑ᆩ‫ۉୁݴ‬ፆ‫ڦ‬൵๞Lj‫ۉ‬ऐൻ‫ۯ‬ഗ ዆ሰฆ‫؜‬ᇀႠీࢅ‫ׯ‬Ԩ‫ݛ‬௬‫੊ڦ‬୯Ljᄺሞย݆༵ߛ੗૧ᆩ ޿ྊ೫‫ڦ‬ൻ‫ۯ‬ഗ‫୲ࠀۨܮڦ‬ăྸᅃ੗ႜ‫৽݆ݛڦ‬๟๑ᆩፆ ኵ߸ၭ‫ۉୁݴڦ‬ፆLjܸኄႴᄲᆅ৊Ⴀీ߸ߛ‫ۙڦ‬዆ഗా ࢃLjᅜՐ๎३ෑ‫ڦ‬႑ࡽ‫܈ޗ‬ă ဣཥยऺටᇵ(ᆮഄ๟ົ‫ޜ‬ยऺටᇵ)ධሞփ܏༑໭Lj๬཮ ཚࡗ໫‫܌‬ఇຕገ้࣑क़Ljईኁཚࡗ֑ᆩᇑ߰૗႙∑-Δۙ዆ ഗࢅ‫ۉୁݴ‬ፆྊ೫ᆶ࠲‫ڦ‬ຕጴ୳հഗই‫گ‬ඖჽ‫ݛڦ׿‬๕༵ ߛဣཥၚᆌăසമ໯ຎLj੗ሞገ࣑Ⴀీࢅ‫੻ټ‬ई୳հഗඖ ჽ‫׿‬ኮक़ፕ‫؜‬඄࢚ă߸०୼Ă߸੺‫୳ڦ‬հഗ੗༵ࠃ߸੺‫ڦ‬ ၚᆌLj‫ࣷڍ‬ই‫گ‬Ⴀీăဣཥยऺටᇵ‫ݴ‬ဆ୳հഗհ‫׊‬ई؏ ൽԲ‫ڦ‬ၳࡕLj඗ࢫߵ਍ഄዕ‫܋‬ᆌᆩႴ൱ፕ‫؜‬඄࢚ă༵ߛۙ ዆ഗ‫้ڦ‬ዓ໏୲ࣷᆶ໯ӻዺLj‫ڍ‬๟Ⴙ‫ܠ‬ยऺටᇵᅙํ၄ሞ AD7401Aኧ‫ڦ׼‬20 MHzፌߛ้ዓ໏୲ူ֡ፕă༵ߛ้ዓ໏ ୲‫ڦ‬ᅃ߲ඍ‫৽ۅ‬๟‫ޖ‬พ‫ۉ‬࿋ࢅ߅ඡ(EMI)ၳᆌăሞ၎ཞ‫ڦ‬ ้ዓ໏୲ူLjႠీডߛ‫ۙڦ‬዆ഗ੗߀฀ඖჽ‫׿‬ᇑႠీኮक़ ٪ሞ‫ڦ‬඄࢚࠲ဣLjܸٗሞႠీᆖၚডၭ‫ڦ‬൧઄ူํ၄߸੺ ‫ڦ‬ၚᆌ้क़ă Page 76 ᄽহႠీፌᆫ‫߰ڦ‬૗๕∑-Δۙ዆ഗ ၂඗Ljཚࡗ໫ၭ‫ۉୁݴ‬ፆ‫ٷڦ‬ၭĂ߀৊࿮‫ߌد‬ഗ੦዆‫ݛ‬ ӄĂํ၄‫ߛܔ‬ၳాևᆦ‫ۉى‬ऐ(IPM)‫ڦ‬੦዆LjႠీ߸ߛ‫ڦ‬ ߰૗๕∑-Δۙ዆ഗ੗஢ፁ߾ᄽ‫ۉ‬ऐยऺዐ‫ܠڦ‬ዖႴ൱ࢅ݀ ቛᄲ൱Ljժ੗༵ߛ‫ۉ‬ऐൻ‫ۯ‬ഗ‫ࠀڦ‬ၳăADIࠅິ‫ڦ‬AD7403 ׂ೗๟AD7401A‫ڦ‬ႎᅃ‫ׂپ‬೗Lj੗ሞ၎ཞ‫ڦ‬20 MHzྔև้ ዓ໏୲ူ༵ࠃ߸੻‫ۯڦ‬ༀ‫ྷݔ‬ăኄ๑ยऺටᇵ੗ᅜ߸ྺଳ ऄ‫ں‬჋ስ‫ۉୁݴ‬ፆ‫ٷ‬ၭLjᆫࣅൻ‫ۯ‬ഗᇑ‫ۉ‬ऐ‫ڦ‬೅ದLj༵ߛ ‫ୁۉۨܮ‬ᇑ‫ރ‬ኵ‫֪ڦୁۉ‬ଉ৛‫܈‬Lj३ณ๢ᆩᇀᅃဣଚ‫ۉ‬ऐ ႙ࡽ‫ۉୁݴ߲ڇڦ‬ፆ‫ٷ‬ၭ‫ڦ‬ᆖၚLjժీࠕሞ߸ߛ‫ۉୁۉ‬ೝ ူ๑ᆩ‫ۉୁݴ‬ፆ༺࣑HE‫ߌد‬ഗăُྔLj࣏੗ཚࡗ໫‫֪܌‬ଉ ჽ‫ۯߛ༵׿‬ༀၚᆌăᇑฉᅃ‫پ‬AD7400AࢅAD7401A၎ԲLj AD7403‫߰ڦ‬૗‫ݛ‬ӄ࣏੗๑ᆩ߸ߛ‫૶ڦ‬Ⴤ߾ፕ‫ۉ‬უ(VIORM)Lj ܸٗ੗ཚࡗ๑ᆩ߸ߛ‫ڦ‬኱ୁጺ၍‫ۉ‬უࢅ߸‫ۉڦگ‬ऐ‫༵ୁۉ‬ ߛဣཥၳ୲ă ԈઔADSP-CM40xंࢇ႑ࡽ੦዆‫ت‬૙ഗ‫ڦݘ࠽߸ڦ‬ ဣཥ঴ਦ‫ݛ‬ӄ සമ໯ຎLjํแ∑-Δۙ዆ഗᄲ൱ဣཥዐದԢຕጴ୳հഗă ཚ‫׉‬੗๑ᆩFPGAईຕጴASICํ၄ăADSP-CM408Fंࢇ႑ ࡽ੦዆‫ت‬૙ഗ(ԈࡤSinc3୳հഗᆘॲLj੗኱থ૶থAD740x ဣଚ‫߰ڦ‬૗๕∑-Δۙ዆ഗ)‫؜ڦ‬၄ᆶ੗ీे੺ᇑ߰૗๕∑-Δ ۙ዆ഗ᳘ࢇ‫ڦ‬ፆႠ‫ୁݴ‬ഗ‫ୁۉ‬ॠ֪रຍ‫ڦ‬೵तăසԨ࿔ዐ ໯ຎLjᆯᇀ༵ࣷߛຕጴᇘဣཥ‫ްڦ‬ሗ‫ࢅ܈‬၎࠲‫(ڦ‬FPGA)‫ׯ‬ ԨLjยऺටᇵࡗඁᅃ኱ණྺፆႠ‫ୁݴ‬ഗ‫ୁۉ‬ॠ֪रຍডྺ ӆࡍăADSP-CM408F๟ႠॏԲডߛ‫ڦ‬঴ਦ‫ݛ‬ӄLj੗๑Ⴙ‫ܠ‬ ᅜྫ๴၌ᇀ‫ׯ‬ԨణՔ‫ڦ‬ยऺටᇵ੊୯๑ᆩ޿रຍă MS-2652 TA12352sc-0-6/14(A) Page 77 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2549 ௬ၠߛၳ‫ۉ‬ऐ੦዆‫ڦ‬࿮‫ߌد‬ഗ๐ ଉ੦዆रຍीჄ݀ቛ ፕኁǖAnders Frederiksen ాඹ༵ᄲ ௬ၠ‫ۉ‬ऐࢅࠀ୲प‫ۯ‬ༀ༬Ⴀ‫ߛڦ‬पॺఇरຍ੗ᅜ‫༵ޗٷ‬ ߛ‫ۉ‬ऐ੦዆ၳ୲Ljඓԍߵ਍ဣཥႜྺ‫้ํڦ‬Վ‫ํۯ‬ႜ৛ ௢੦዆ăཚࡗ࿮‫ߌد‬ഗ๐ଉ੦዆रຍLjยऺටᇵ੗ᅜሺ ഽ‫ۉ‬ऐဣཥ‫ڦ‬ႠీLjই‫ࡼࠀگ‬Ljժ൐‫ࢇޙ‬ኼሞ༵ߛీၳ ‫ڦ‬ႎ݆ࡀᄲ൱ăएᇀႎᅃ‫پ‬ຕጴ႑ࡽ‫ت‬૙रຍ‫ڦ‬ႎ႙‫ۉ‬ ऐ੦዆‫ݛ‬ӄᆶྭे໏ံ৊੦዆‫ݛ‬ӄ‫ڦ‬ሏᆩă ሞࡗඁๆ౎ዐLjໜጣᆦ‫֌༹ى‬ଙ‫ڦ‬փ܏݀ቛࢅਿ֪‫ڦڟ‬ጨ ᇸሁઠሁඹᅟਸ֑Lj֑ᆩᆦ‫༹ى‬ཞօ‫ۉ‬ऐ(PMSM)‫߾ڦ‬ᄽ ᆌᆩߛႠీՎ໏‫ۉ‬ऐሁઠሁ‫ܠ‬ă๑ᆩPMSMൻ‫ံڦۯ‬ཀᆫ ๞Ԉઔǖߛ౦ਈዘଉԲĂߛࠀ୲ᅺຕĂၚᆌ߸੺Ă঳ํఱ ᆩ‫ࠓڦ‬ሰĂᅟᇀྼࢺĂᅟᇀ੦዆ᅜतߛၳ୲ăߛႠీ໏‫܈‬ ࢅ/ई࿋ዃ੦዆ᄲ൱ጚඓಒۨገዡ࿋ዃࢅ໏‫܈‬Lj๑၎࿋घ૤ ஞ؋ᇑገጱ࿋ዃཞօă ᅺܸ‫ۉ‬ऐዡฉႴҾጎਨ‫ܔ‬Պஓഗࢅ ‫ى‬Ⴀ჉ገՎუഗ‫ڪ‬໏‫ࢅ܈‬࿋ዃ‫ߌد‬ഗă඗ܸLjሞ‫ܠٷ‬ຕᆌ ᆩዐLjኄၵ‫ߌد‬ഗࣷ‫ټ‬ઠ‫ܠ‬ዖՁ‫܋‬Lj૩සǖ੗੍Ⴀ‫ڿ‬३Lj ᅟ๴ሯำᆖၚLj‫ׯ‬ԨࢅዘଉሺेLjᅜतൻ‫ۯ‬ဣཥ߸ްሗ ‫ڪ‬ă࿮‫ߌد‬ഗ๐ଉ੦዆ሶփႴᄲ໏‫܈‬/࿋ዃ‫ߌد‬ഗLjᅺܸኄ ၵ࿚༶ᄺ৽փް٪ሞă ৎ౎ઠLj࠲ᇀPMSM‫ڦ‬࿮‫ߌد‬ഗ໏‫ࢅ܈‬࿋ዃ੦዆‫݆ݛ‬Ljჺ ৯࿔၅ዐ༵‫ܠ؜‬ዖ঴ਦ‫ݛ‬ӄă ኍ‫ܔ‬PMSMൻ‫ڦۯ‬࿮‫ߌد‬ഗ ገጱ࿋ዃࠚऺLjᅙਸ݀‫؜‬ෙዖएԨरຍǖ  x एᇀ‫ۯۉݒ‬๞(BEMF)ࠚऺ‫߳ڦ‬ዖरຍ  x एᇀጒༀ࠵֪ഗࢅકቛਸ਼ܻத୳հഗ(EKF)‫ڦ‬रຍ  x एᇀํ้‫ۉ‬ऐॺఇ‫ڦ‬ഄ໱रຍ ‫ۯۉݒ‬๞रຍ एᇀ‫ۯۉݒ‬๞रຍ‫ڦ‬࿋ዃࠚऺߵ਍‫ۉ‬უࢅ‫ىऺࠚୁۉ‬ཚଉ ࢅ໏‫܈‬ăሞড‫گ‬໏‫ాྷݔ܈‬Ljኄዖरຍ‫ۨܔ‬ጱ‫ۉ‬ፆ༬՚௺ ߌăᆯᇀऐഗ‫ۯۉݒڦ‬๞࢔ၭLjժ൐ਸ࠲ยԢ‫ݥڦ‬၍Ⴀ༬ ኙׂࣷิဣཥሯำLjᅺُ࢔వ‫࠲ڟڥ‬ᇀऐഗዕ‫ํڦ܋‬ा‫ۉ‬ უ႑တăሞዐߛ໏‫ాྷݔ‬Lj૧ᆩ‫ۯۉݒ‬๞‫݆ݛ‬੗ᅜइ‫ڥ‬ড ࡻ‫ڦ‬࿋ዃࠚऺLj‫ڍ‬ሞ‫گ‬໏‫ాྷݔ‬ሶփႜă ‫ۯۉݒ‬๞‫ۉ‬უ‫܈ޗڦ‬ᇑገጱገ໏‫ׯ‬Բ૩Ljᅺُৢኹ้࿮݆ ࠚऺ‫؛‬๔࿋ዃă໯ᅜLjٗ࿄ኪገጱ࿋ዃഔ‫ۯ‬੗ీӵໜጣሡ ้‫ݒ‬ၠ჉ገLjईኁ੗ీ‫ڞ‬ዂഔ‫ࠤۯ‬ቱăEKFీࠕ‫ܔ‬ໜऐሯำ ࣍ৣዐ‫ݥڦ‬၍ႠဣཥኴႜጒༀࠚऺLjᅺܸ‫ܔ‬ᇀPMSM‫ڦ‬໏‫܈‬ ࢅገጱ࿋ዃࠚऺLjຼࢭ๟੗ႜ൐ਏऺ໙ၳ୲‫ࢪڦ‬჋‫݆ݛ‬ă एᇀ੣क़၂ዸႠ߶ጷ‫ڦ‬रຍ૧ᆩ‫ى‬၂ዸႠLj๢ࢇଭ໏߾ ፕLj੗ᅜࠚऺ‫؛‬๔ገጱ࿋ዃLjܸփࣷ๴ഄ໲֖ຕᆖၚăኍ ‫؛ܔ‬๔ገጱ࿋ዃLjዷᄲᆶଇዖएԨ‫݆ݛ‬Lj‫ݴ‬՚एᇀஞ؋႑ ࡽጀ෇ࢅኟ၀ሜհ႑ࡽጀ෇ă ࿢்ੂᅃ߲૩ጱă Page 78 MS-2549 ཮1. ‫ۯۉݒ‬๞ᇑ‫؛‬๔ഔ‫ڦۯ‬ೝ࢚(ઠᇸᇀBon-Ho Bae) ཮1ྺ࿮‫ߌد‬ഗ๐ଉ੦዆‫ݛ‬ӄ‫཮઀ڦ‬Ljഄዐփࡤ࿋ዃ‫ߌد‬ ‫ڦऺࠚܔ‬໏‫܈‬৊ႜओ‫ܸݴ‬໙‫ڥ‬ăഄ໲‫׉‬९‫݆ݛ‬ᆩྲ‫ऺ݆ݴ‬ ഗă઀཮ዐLjዡक़੦዆‫ڦ‬ኟઍၜVds_ffࢅVqs_ff੗ᅜ՗๖ྺǖ ໙໏‫܈‬Lj‫ڍ‬ኄࣷ๑ဣཥᅟ๴ሯำᆖၚăBon-Ho Bae‫ํڦ‬ᄓ ჺ৯՗௽Ljॺᅱࠚऺഗీࠕྺᆌᆩ༵ࠃ‫׉ݥ‬ጚඓ൐੗੍‫ڦ‬ ໏‫܈‬႑တă‫ڍ‬ሞଭ໏ࢅ‫گ‬໏้Lj‫ۯۉݒ‬๞‫ۉ‬უփࠕߛLj࿮ ݆ᆩᇀ໯ॺᅱ‫ڦ‬๐ଉ੦዆ăᅺُLj‫ܔ‬ᇀٗଭ໏‫܈‬ਸ๔‫ڦ‬࿮ ഄዐLjωrྺገጱ‫ڦ‬ገ໏ă ኻੂాዃ๕PMSM (IPMSM)‫ڦ‬Քጚ‫ۉ‬უࠅ๕LjፖՔဣ੗ᅜ՗ ๖ྺǖ ‫֡ފ‬ፕLjࠚऺഗ૧ᆩ࢛ۨ‫ࢅ܈ޗ‬ᇨۨఇ๕ೕ୲ઠ੦዆‫ۉ‬ ୁăኄ૛LjཞօፖՔဣ‫ڦ‬ঙ‫܈‬ཚࡗ‫ܔ‬ೕ୲৊ႜओ‫؜ڞܸݴ‬ (‫؛‬๔ഔ‫)݆ݛۯ‬ă EKFरຍ ࿢ ் ၄ ሞ ੂ ଷ ᅃ ߲ ૧ ᆩ EKFर ຍ ᇱ ૙ ‫ ڦ‬૩ ጱ (ઠ ᇸ ᇀ Mohamed Boussak)Ljժ൐ཞᄣᇑ‫؛‬๔ഔ‫ۯ‬၎঳ࢇă ഄዐLjθerrྺํाঙ‫܈‬ᇑࠚऺঙ‫܈‬ኮक़‫ֶڦ‬ኵă ၄ሞዘႎۨ࿋dዡLj੗ᅜ‫ڟڥ‬ǖ ्ۨ‫ୁۉ‬PIۙኝഗॽׂิၭဃֶLjθerr࢔ၭLjdዡ੗ᅜ՗๖ྺǖ ཮2. ሞ཮1‫ॺڦ‬ᅱࠚऺഗत໯‫ࠅڦ؜ڞ‬๕ዐLjဃֶ႑ࡽVds_errorᆯ PIց‫׋‬ഗ‫ت‬૙Ljᅜ‫؜ڞ‬ገጱ‫ڦ‬ገ໏Ljܸገጱ‫ڦ‬ঙ‫܈‬ሶཚࡗ Page 79 ٗPMSM‫ڦ‬एԨࠅ๕ਸ๔Ljॽഄዘႀྺ຺঩‫ۯ‬ༀఇ႙ǖ ഄዐǖ PMSM໯ׂิ‫ڦ‬౦ਈྺǖ ‫ۯ‬ༀఇ႙एᇀᅃၵ०‫्ڦڇ‬ยLjࢮ୼ኟ၀‫ۯۉݒ‬๞ࢅ࿠‫ۉ‬ ୁLjᇀ๟੗ᅜ‫ڟڥ‬ǖ ᆯᇀdዡࢅqዡኮक़٪ሞ঍᳘֮ࢇၳᆌLjස཮2໯๖Ljᅺُ ଇ߲ዡ‫ୁۉڦ‬࿮݆ᆯ‫ۉ‬უVdࢅVq‫܀‬૬੦዆ăྺํ၄ߛႠీ ໏‫܈‬੦዆LjႴᄲሏᆩਏᆶඁ᳘ኟઍց‫ڦీࠀ׋‬dዡࢅqዡ‫ۉ‬ ୁۙኝഗă߸‫ܠ‬႑တ൩֖੊཮3ă MS-2549 ๖ă‫ۙୁۉ‬ኝഗ‫ڦ‬๼‫ࠃ༵؜‬჉ገፖՔဣ‫ڦ‬एጚ‫ۉ‬უăሞ཮ 3໯๖‫཮઀ڦ‬ዐLjᆩᇀඁ᳘੦዆‫ڦ‬ኟઍၜedࢅeqᆯူ๕ߴ‫؜‬ǖ ኟසBoussak໯ຎLjଇ߲ց‫׋‬ऐ዆(‫ୁۉ‬੦዆ࢅ‫ۉ‬უంସ)‫ܔ‬ ᇀඓԍ࿘ۨࢅፌᆫ੦዆ๆ‫ݴ‬ዘᄲLjᆶዺᇀሺഽ๐ଉ੦዆ࢅ ෑ‫ى‬੦዆ă EKFᅜഄ०‫ڇ‬ĂፌॅĂᅟ੦዆ࢅ࿘ۨ੗੍Lj‫ྺׯ‬ᆌᆩፌ࠽‫ݘ‬ ‫ݥڦ‬၍Ⴀဣཥ߶ጷࢅࠚऺ‫݆ݛ‬ኮᅃăྺํ၄‫ཫܔ‬टIPMSM ‫ڦ‬࿮‫ߌد‬ഗ੦዆Lj੗ᅜ૧ᆩEKFࠚऺ໏‫ࢅ܈‬ገጱ࿋ዃă‫ۉ‬ऐ ‫ڦ‬၍ୟ‫ۉ‬უࢅ޶ሜ౦ਈ਩ྺဣཥ๐ଉ๼෇Վଉă໏‫ࢅ܈‬ገ ጱ࿋ዃ๟Ⴔᄲࠚऺ‫ڦ‬ଇ߲‫܈ޗ‬Ljܾኁᇑ‫ۉ‬ऐ‫ୁۉ‬ᅃഐࠓ‫ׯ‬ ጒༀ๐ଉă‫ۉ‬ऐ‫ॽୁۉ‬๟ࠓ‫ׯ‬๼‫؜‬๐ଉ‫ྸڦ‬ᅃ੗࠵֪‫܈ޗ‬ă ᄲ‫ܔ‬࿮‫ߌد‬ഗIPMSMൻ‫ํۯ‬แEKFरຍLjມዡፖՔဣ‫ڦ‬჋ ስ዁࠲ዘᄲăፌॅ჋ስ๟֑ᆩገጱฉҾጎ‫ڦ‬dዡࢅqዡ჉ገ ፖՔဣă‫ऺࠚڍ‬ഗ‫ڦ‬๼෇๐ଉ(‫ۉࢅୁۉ‬უ)ൽਦᇀገጱ࿋ ዃLj໯ᅜኄዖ‫ݛ‬ӄᇑIPMSM࿮‫ߌد‬ഗ໏‫܈‬੦዆փग़ඹăํ แࡗ‫ײ‬ዐ੗࠵ִ‫ڟ‬Ljገጱ‫؛‬๔࿋ዃ‫ऺࠚڦ‬ဃֶ੗ీࣷॽဃ ֶᆅ෇EFK၎‫ܔ‬ᇀํाဣཥ‫تڦ‬૙ࡗ‫ײ‬ዐLjܸٗᆅഐჹዘ ࢫࡕă ‫ܔ‬ᇀኄዖ൧઄LjBoussakॺᅱሞገጱፖՔဣዐۙጚIPMSM ੦዆ă໏‫ࢅ܈‬࿋ዃৈ૧ᆩۨጱ‫ۉ‬უࢅ‫֪ୁۉ‬ଉ঳ࡕઠࠚ ऺăएᇀEKF‫֪࠵ڦ‬ഗ໯๑ᆩ‫ۉڦ‬ऐఇ႙ࡤᆶҾጎᇀۨጱ ઀ॐฉ‫ۨࠦڦ‬ፖՔဣα-βLjᅺُ‫܀‬૬ᇀገጱ࿋ዃă‫؜ڞ‬ IPMSMሞࠦۨፖՔဣዐ‫ݥڦ‬၍Ⴀ‫ۯ‬ༀఇ႙Ljᅜྜ‫ऺࠚׯ‬ഗ ࠅ๕ǖ ཮3. ྺ๑IPMSM‫ڦ‬౦ਈ‫ୁۉ‬Բፌ‫ٷ‬Ljdዡएጚ‫ୁۉ‬i*dยዃྺ0ă qዡएጚ‫ୁۉ‬i*qٗ໏‫ۙ܈‬ኝഗ‫ڦ‬໏‫܈‬ဃֶइ‫ڥ‬Ljස཮3໯ ଇ߲ۨጱ‫ୁۉ‬Ă‫ۉ‬ऐ໏‫ࢅ܈‬࿋ዃᆩፕဣཥጒༀՎଉ(߸ߛप ऺ໙‫ݛ‬ӄ൩֖੊Boussak‫ڦ‬ஃ࿔)ă Page 80 MS-2549 ዮසBon-Ho BaeࢅBoussak໯ਸ݀‫ڦ‬ևຈ‫݆ݛ‬Lj૧ᆩ࿮‫ߌد‬ ഗ੦዆ഗ‫ڦ‬੗ႜႠॽ߸ߛपఇ႙ᆅ෇ํ้‫ۉ‬ऐ੦዆‫ݛ‬ӄă ࡗඁ5౎ઠLjྲ੦዆ഗࢅDSP዆ሰฆᅃ኱ओटཚࡗႎ႙ഴ෇ ๕‫ت‬૙ഗ༵ࠃፁࠕ‫ڦ‬ႠీࢅՂᄲ‫ీࠀڦ‬Lj ኄ๟ඓԍยऺට ᇵॽ၄‫پ‬๐ଉ੦዆ሏᆩᇀํा‫࠲ڦ‬॰ᅺ໎ă ‫ۉ‬ऐၳ୲๔ᇀ‫ت‬૙ഗ සৃLjၟADIࠅິ‫ڦ‬ፌႎADSP-CM40x ARM Cortex-M4ဣଚ ‫ڪ‬ሺഽ႙‫ت‬૙ഗኟሞॽႠॏԲ༵ื‫ڟ‬ႎ‫ڦ‬຤ೝLj๑‫ް߸ڥ‬ ሗ‫ۉ‬ऐ੦዆໙݆‫ํڦ‬แਸ๔๴‫ࡀٷڟ‬ఇᆌᆩ঴ਦ‫ݛ‬ӄ‫ڦ‬൞ ௖ăᆮഄሞ‫ت‬૙ഗీ૰‫ݛ‬௬——ాዃຕጴ୳հഗࠀీĂߛ Ⴀీ‫ీۅޝ‬૰ࢅકቛຕბሏ໙ీ૰‫ۼڪ‬ኧ‫ް߸׼‬ሗĂण‫ׯ‬ ‫ڦߛ߸܈‬໙݆LjᅜՍ༵ࠃ߸ॅ‫ڦ‬੦዆ഗࢅ੦዆‫ݛ‬ӄLj೨๑ ‫ۉ‬ऐൻ‫ڦۯ‬ၳ୲থৎ100%ăሞ߾ᄽଶᇘLj‫ܔ‬ሏႜํ้ఇ႙ ࠚऺഗ‫֪࠵ܠڦ‬ഗఇ႙‫߀ڦ‬฀Lj࿮ᅑॽᆶዺᇀሺഽǖ(i)ൻ ‫ۯ‬ႠీLj(ii)ဣཥၳ୲ࢅྊ೫঳ࠓLjᅜत(iii)ยऺ‫ڦ‬ևຈ‫ݛ‬ ݆ă৽‫(ڼ‬iii)‫ݛ‬௬ܸჾLjMATLAB/Simulink®‫཮ڪ‬ႚဣཥՍ ీࠕ०ࣅยऺୁ‫ײ‬Ljٝ৊ႎ໙݆‫ڦ‬ਸ݀ăኄၵ߾ਏᇑኴႜ ‫ت‬૙ഗ၎঳ࢇLjీࠕํ၄߸ྺްሗ‫ڦ‬ևຈ‫ݛ‬ӄăᇑాࢃ໏ ‫܈‬Ăఇຕገ࣑৛‫ࢅ܈‬٪‫ئ‬ഗण‫ׯ‬ᆶ࠲‫تڦ‬૙ഗप߀฀ॽ๑ ยऺටᇵీࠕํ၄߸ߛ‫ڦ‬ዊଉࢅႠీణՔLjཞ้े໏ׂ೗ ฉ๨ă ADIࠅິፌৎླྀ‫؜‬ADSP-CM40xဣଚंࢇ႑ࡽഴ෇๕੦዆ ഗLjփৈ‫ื༵ޗٷ‬କ‫ت‬૙ഗႠీLjܸ൐ই‫گ‬କॏ߭Lj๑‫ڥ‬ ᅜമ֑ᆩႠీ๴၌‫تڦ‬૙ഗࢅྲ੦዆ഗ‫ۉڦ‬ऐ੦዆ᆌᆩᄺ ీၛᆩDSP຤ೝ‫ڦ‬Ⴀీă঺ዺኄዖ‫ت‬૙ႠీLj‫ۉ‬ऐဣཥย ऺටᇵ੗ᅜ૧ᆩ߸ံ৊‫ڦ‬໙݆ํ၄߸ഽ‫ڦ‬ဣཥࠀీࢅ߸ߛ ৛‫܈‬Lj৛ඓಒۨገዡ࿋ዃࢅ໏‫܈‬Ljኄᄣဣཥ৽࿮Ⴔ࿋ዃࢅ ໏‫ߌد܈‬ഗă ᆩᇀे໏໙݆‫ت‬૙‫ڦ‬෻٪Ljܾኁ਩ᆶ૧ᇀ३ณೌྔഗॲժ ই‫گ‬ဣཥኝ༹‫ׯ‬Ԩăኄၵ‫ت‬૙ഗ༵ࠃႠీᇑೌాण‫ڦ܈ׯ‬ ፌॅබࢇLj๑‫ڥ‬ยऺටᇵీࠕํ၄Ⴙ‫ܠ‬ဣཥपยऺణՔLj ૩සǖํ้‫ت‬૙߸‫ܠ‬ຕ਍Ljჽ้߸‫܌‬Ljॽ‫ت‬૙ඪခणዐᇀ ‫ت߲ڇ‬૙ഗ৊ႜLjᅜत߸ଳऄ‫ں‬ᆫࣅဣཥথ੨ࢅ੦዆ీ૰ă සৃLjႎरຍኟሞླྀ‫ۉۯ‬ऐဣཥీ૰ํ၄‫ݔ‬๕ገ࣑Ljยऺ ྊ೫঳ࠓᇑ‫ت‬૙ഗ༬Ⴀೝ࢚ሶ੗ํ၄߸ߛ‫ڦ‬ኝ༹ဣཥႠీ ࢅၳ୲ăߛႠీ‫ت‬૙ഗ/DSPኧ‫׼‬ሏᆩ၄‫ߛپ‬ၳ੦዆૙ஃྜ ‫ߛׯ‬पဣཥॺఇLjܸٗඓԍ໯ᆶํ้‫ۉ‬ऐဣཥ‫ํీۼ‬၄ፌ ॅ‫ۉ‬ᇸࢅ੦዆ၳ୲ă࿮‫ߌد‬ഗ๐ଉ੦዆‫ݘ࠽ڦ‬ᆌᆩ๞ሞՂ ႜLjՂॽे໏ඇ൰༵ߛ߾ᄽยԢీၳࢅႠీ‫ڦ‬৊‫ײ‬ă One Technology Way t P.O. 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TA08857sc-0-9/13 Page 81 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2326 ᅟᆩ‫ڦ‬PFCዺᅮ‫ۉ‬ऐ੦዆ᆌᆩ ፕኁǖFrederik DostalLjADIࠅິ‫ۉ‬ᇸᄽခरຍঢ়૙ Ⴙ‫ࡗגܠ‬గᅃࠀࡼ຤ೝ‫ڦ‬঍ୁࠃ‫ۉ‬ဣཥ‫ۼ‬Ⴔᄲ৊ႜࠀ୲ᅺ ຕၯኟ(PFC)Ljኄ๟‫ۉ‬૰ࠅິईአު‫ڦ‬ᄲ൱ăPFC࿋ᇀဣཥ ๼෇‫܋‬Ljሞܾट࠶ൃ๕ኝୁഗࢫ௬Lj‫ڍ‬ሞ໯ᆶ๼෇‫ۉ‬ඹኮ മăPFC‫ۉ‬ୟ‫ڦ‬ፕᆩ๟ඓԍ๼෇‫ۉڦ܋‬უࢅ‫ୁۉ‬Եُཞ ၎ă࣑ჾኮLjPFC๟๼ໃ዁‫ۉ‬ୟ޶ሜ‫ڦ‬ೝ਩ࠀ୲ᇑ๫ሞࠀ ୲ኮԲă ‫أ‬କই‫گ‬๫ሞࠀ୲ᅜྔLjPFC‫ۉ‬ୟ࣏ᆶዺᇀ‫ޗٷ‬ই‫گ‬๼෇ ၍ୟฉ‫ڦ‬฿ኈă࿮PFC൧઄ူLj޶ሜׂิ‫ڦ‬THD(ጺၿհ฿ ኈ)ࣷ‫ܔ‬ᆯཞᅃ‫ڦۉࠃྪۉ‬ഄ໱‫ۉ‬ୟሰ‫ׯ‬փ૧ᆖၚăPFC‫ۉ‬ ୟࣷᆫࣅࠀ୲ᅺຕLjཞ้ই‫گ‬THDăႹ‫ܠ‬ဣཥዐLjࠀ୲ᅺ ຕ‫ڦ‬ዘᄲႠփतߛTHD‫ټ‬ઠ‫߅ڦ‬ඡă Ԩ ࿔ ঻ ถ ᅃ ዖ ૧ ᆩ ADIࠅ ິ ‫ ॔ ټ‬੦ ࠀ ీ ‫ ڦ‬ADP1047ࢅ ADP1048ຕጴPFC੦዆ഗยऺटഄଳऄ൐ࠀీ‫ڦ޷ݿ‬PFC ‫ۉ‬ୟ‫ڦ‬०‫݆ݛڇ‬ăยऺ߾ፕ૧ᆩ኱࠵‫཮ڦ‬ႚᆩࢽহ௬ྜ ‫ׯ‬ăଷྔ࣏ࣷ঳ࢇ‫ۉ‬ऐൻ‫ۯ‬ᆌᆩ༪ஃኄዖ‫ڦ݆ݛ‬ᆫ๞ă փཞPFC‫ۉ‬ୟ PFC‫ۉ‬ୟཚ‫֑׉‬ᆩืუ႙DC-DCገ࣑ഗྊ೫঳ࠓLjժ൐࿋ ᇀ঍ୁኝୁഗ‫ൃۉ‬ኟࢫ‫ݛ‬ăኄዖྊ೫঳ࠓ೨๑๼෇‫ୁۉ‬ᇑ ๼෇‫ۉ‬უཞ၎ă঳ࡕLj޶ሜሞ঍ୁ‫ۉ‬ᇸੂઠ๟ᅃ߲‫ك‬࿮ᇸ ޶ሜ‫ۉ‬ፆă‫ܔ‬ᇀডߛ‫୲ࠀڦ‬຤ೝLj੗ᅜ๑ᆩ঍‫ٱ‬๕ྊ೫঳ ࠓăፌ‫׉‬९‫ڦ‬๟ມཚ‫ڢ‬঍‫֡ٱ‬ፕLjኄᇑඟଇ߲ืუገ࣑ഗ ժ૴ժ‫޶څݴ‬ሜժ࿮փཞăሞPFCኮྔLjૌຼ‫ܠ“ྺ׬݆ݛ‬ ၎”ă‫ܔ‬ᇀ‫ୁۉ‬ሞփཞ‫ڦ‬ժ૴ইუ‫ۉ‬ୟኮक़‫ݴ‬ದLjժ൐๼ ‫ࢇ؜‬ժሞᅃഐ‫ڦ‬൧઄Ljইუ႙ۙবഗࣷ๑ᆩຍᇕ“‫ܠ‬၎”ă ሞPFCዐLjُࠀీփ๑ᆩຍᇕ“၎࿋”Ljᇱᅺ๟໲ࣷᆅഐ࢔ ‫ंܠ‬ၫă‫ܠ‬၎ᆩᇀᅃ߲ᅜฉ၎࿋঍ୁ‫ۉ‬ᇸ๼෇‫ڦ‬PFC‫ۉ‬ ୟăᅺُLj௮ຎ޶ሜࠀ୲ሞ‫߲ܠ‬ժ૴ืუྊ೫঳ࠓኮक़‫ݴ‬ ದ้Ljຍᇕ“঍‫׉߸”ٱ‬ᆩă ྺକํ၄‫ۉڦߛ׉ݥ‬ᇸၳ୲Ljᄺ੗ᅜփ๑ᆩ‫ൃۉ‬ăኄዖ൧ ઄ူ੗ᅜูඁܾट࠶ൃ๕ኝୁഗăሞᆶܾट࠶ൃ๕ኝୁഗ ‫ڦ‬঍‫֡ٱ‬ፕዐLjଇ߲ཚ‫ڢ‬ሞ௅߲ਸ࠲ዜ೺ኮࢫ঍༺߾ፕă ‫ڍ‬๟Ljሞ࿮‫ൃۉ‬ྊ೫঳ࠓዐLjᅃ߲ཚ‫ڢ‬ሞ঍ୁ๼෇‫ۉ‬უ‫ڦ‬ ኟӷհዜ೺ዐൎ࣑Ljଷᅃ߲ཚ‫ڢ‬ሞ޶ӷհዜ೺ዐൎ࣑ă཮ 1ߴ‫؜‬କኄෙ߲एԨ‫ۉ‬ୟ‫ڦ‬ᇱ૙཮ăፌฉ‫ݛ‬၂๖ፌ०‫ڦڇ‬ ํ၄‫ݛ‬ӄLjዐक़၂๖঍‫౒߁ٱ‬Ljፌူ‫ݛ‬၂๖࿮‫ൃۉ‬ದዃă ‫ړ‬඗Lj࣏ᆶ࢔‫ܠ‬ഄ໱‫ۉ‬ୟ‫ݛ‬ӄ‫ۼ‬๟੗ႜ‫ڦ‬ă૩සLj‫ܔ‬ᇀߛ ࠀ୲ࢅߛၳ୲֡ፕLj੗ᅜॽ঍‫ٱ‬๕֡ፕᇑ࿮‫ൃۉ‬ದዃ঳ࢇ ഐઠă၂඗LjኄዖยऺႴᄲႹ‫ܠ‬ᇮॲLj੗ీࣷՎ‫ڥ‬၎‫ްړ‬ ሗăADP1047ยऺᆩᇀ‫ڇ‬ཚ‫ڢ‬PFCLjADP1048ሶ༵ࠃ঍‫ٱ‬ ๕ࢅ࿮‫֡ൃۉ‬ፕీ૰ăྺُLj໲༵ࠃ਩ୁࠀీࢅଇ߲փཞ ‫ڦ‬PWM๼‫؜‬႑ࡽă ཮1. փཞPFC‫ۉ‬ୟ ๑ᆩຕጴPFC੦዆ഗ‫ڦ‬ଳऄႠ Page 82 MS-2326 ‫ܠ‬ຕPFCገ࣑ഗ๟ఇె႙ဣཥă඗ܸLj૧ᆩ‫ڦৃړ‬ຕጴ๕ ᄆิׂ೗Lj૩සADIࠅິ‫ڦ‬ADP1047ࢅADP1048Ljยऺට ᇵ੗ᅜइ‫ڥ‬ຕጴׂ೗༵ࠃ‫ڦ‬ट‫ٷ‬ଳऄႠăᆩ੗Պ‫ײ‬ຕጴ୳ հഗ‫༺پ‬ᆘॲᇮॲLjՍ੗ኍ‫ߛܔ‬໏߾ፕᆫࣅ࣍ୟ࿘ۨႠLj ๑‫ۉ‬ୟፁࠕ࿘ۨă໚඗ኄၵഗॲ֑ᆩ਩ୁఇ๕੦዆࣍ୟLj ‫ํڍ‬ाฉᆶ‫߲ܠ‬փཞ‫࣍ڦ‬ୟ੗ᅜ‫܀‬૬Պ‫ײ‬ăഄዐ٪ሞ‫گ‬၍ ࢅߛ၍‫୳ୁۉ‬հഗLjᅜत੺໏‫ۉ‬უց‫୳׋‬հഗă ੗ᅜยዃPFC‫ڦ‬๼‫ۉ؜‬უLj๑ഄߵ਍޶ሜ‫ܸୁۉ‬Վࣅăኄ ᄣ੗ᅜ༵ߛኝ߲ဣཥ‫ۉڦ‬ᇸገ࣑ၳ୲ăُྔLj࣏੗ᅜ‫׉ݥ‬ ဦዂ‫ۙں‬ኝ෉ഔ‫ۯ‬༬Ⴀă ॔੦ဣཥ๼෇‫ۉڦ܋‬უࢅ‫࢔ୁۉ‬ᆶॏኵ ‫أ‬କຕጴ੦዆࣍ୟᅜྔLjADP1047ࢅADP1048࣏༵ࠃ৛ඓ ‫ۉڦ‬უࢅ‫॔ୁۉ‬੦ࠀీă໲்ీॠ֪๼෇ࢅ๼‫ۉ؜‬უLjᅜ त๼෇‫ୁۉ‬ăॠ֪‫ڦڟ‬ఇెኵཚࡗఇຕገ࣑ഗገ࣑ྺຕጴ ኵă‫ڪ(ୁۉߌۉ‬ᇀ๼෇‫़)ୁۉ‬੗૧ᆩ‫ୁۉ‬ॠ֪‫ۉ‬ፆ኱থ֪ ଉ(৛‫܈‬ፌߛ)Ljᄺ੗૧ᆩଇ߲‫ߌࢻୁۉ‬ഗࢅࠀ୲ਸ࠲/ืუܾ ट࠶‫૴ز‬क़থ֪ଉă࿮ஃ๑ᆩࢆዖॠ֪‫݆ݛ‬Lj‫ۼ‬੗ᅜሞဣ ཥዐၯጚॠ֪ᅜ༵ߛ֪ଉ৛‫܈‬ăኄዖၯጚཚ‫׉‬๟ᇑิׂ֪ ๬ᅃഐྜ‫ׯ‬Ljၯጚኵ٪‫ئ‬ሞADP1047ࢅADP1048‫ڦ‬EEPROM ዐă‫ۉأ‬უࢅ‫ྔୁۉ‬Lj࣏੗ᅜၯጚྔև࿒‫ߌد܈‬ഗă ֪‫ۉڦڥ‬უࢅ‫ୁۉ‬၎࠲႑တᆩᇀ֡ፕĂ੦዆ࢅԍࢺLj‫ڍ‬ᄺ ੗ཚࡗPMBus༵ࠃߴဣཥዐ‫ڦ‬ഄ໱‫ۉ‬ୟᆩᇀ॔੦ăPFC‫ڦ‬ ๼෇ࠀ୲ਏᆶ༬՚ዘᄲ‫ڦ‬ᅪᅭLjᅺྺ໲ీ༵ࠃ࠲ᇀဣཥയ ሞࠤቱ‫ڦ‬႑တăྺକӻዺဣཥҾඇ੗੍‫߾ں‬ፕLj੗ᅜยዃ փཞ‫ڦ‬ዐ܏LjසՔኾ‫ڪ‬ă‫ۉ‬უࢅ‫ୁۉ‬႑တᅜतस٪ഗยዃ ੗ᅜཚࡗण‫ڦׯ‬PMBusথ੨‫ݡ‬࿚ă ཮ႚᆩࢽহ௬๑ยऺ࿮ႴՊ‫ײ‬रీ ޷ᆶঢ়ᄓ‫ۉڦ‬ᇸยऺ߾‫ײ‬฾ཚ‫׉‬փ෽‫׊‬Պႀ‫پ‬ஓLjᅺُLj ޿PFC঴ਦ‫ݛ‬ӄ֑ൽ‫ڦ‬Ӹ݆๟ӝ‫ۉ‬ୟ‫ڦ‬ຕጴ‫ݛ‬௬໫३ྺᅟ ᆩ‫཮ڦ‬ႚᆩࢽহ௬(GUI)ă཮2໯๖ྺ޿෉ॲ‫ڦ‬ೡటপ཮ă ໯ᆶ੗ᅜ߸߀‫֖ڦ‬ຕদᅜ཮ႚࣅ‫ݛ‬๕၂๖ሞփཞ‫ڦ‬ยዃࢅ ॔੦ೡటฉăኄᄣLjೠࠚࢅՊ‫ײ‬ยዃADP1047ࢅADP1048 ߸ྺҾඇLjᅺྺᇑᅃӯྲ੦዆ഗईຕጴ႑ࡽ‫ت‬૙ഗՊ‫ײ‬၎ ԲLjኄၵႊೌ‫ాڦ‬ևጒༀऐ३ณକᆩࢽ‫ڦٱݖ‬੣क़ă ቛ๖GUIీ૰‫ڦ‬ᅃ߲૩ጱ๟ۙኝ෉ഔ‫ۯ‬༬Ⴀă‫ڇ‬ऍ຋ՔՍ ੗ۙኝഔ‫ڦۯ‬๼෇‫ۉ‬უពኵăໜࢫยዃષᆥ‫้ୁۉ‬क़ჽ ‫׿‬ăષᆥ੦዆ᆩᇀሞ‫ۉ‬ୟഔ‫ۯ‬ኮമLj‫ܔ‬PFC‫ۉ‬ୟ‫ڦ‬๼‫ۉ؜‬ඹ ৊ႜᇨ؊‫ۉ‬ăኄ‫׉׉‬๟ཚࡗी‫ۉ‬ഗईMOSFETํ၄ă཮2໯ ๖ೡటপ཮‫ڦ‬ዐक़၂๖Ljۙኝُષᆥ้Ⴞ๟ࢆ‫ڪ‬०Սă཮2 ူ‫ݛ‬၂๖Ljᆩࢽ੗ᅜۙኝ෉ഔ‫ీࠀۯ‬Ԩว‫ڦ‬ႜྺă‫ُܔ‬Lj ഔ‫ۯ‬മ‫ྔܮڦ‬ჽ‫้׿‬क़ࢅ๼‫ۉ؜‬უ‫ڦ‬ฉื้क़਩੗ۙኝă ཮2. ཮ႚᆩࢽহ௬०ࣅยऺ ‫ۉܔ‬ऐ੦዆ᆌᆩ‫ڦ‬ዺᅮ ሞ‫ۉ‬ऐ੦዆ᆌᆩዐLjADP1047/ADP1048ᆶଇ߲༬Ⴀᆮഄᆶ ᆩăᅃ๟ཚࡗ৛௢ࠀ୲॔੦ॠ֪ဣཥࠤቱLjܾ๟न้ۙኝ PFC๼‫ۉ؜‬უ‫ీڦ‬૰ăߵ਍‫ۉ‬ऐൻ‫ۯ‬ጒༀLj੗ᅜۙኝ‫ۉ‬უ ᅜ༵ߛၳ୲ܸփᆖၚႠీăኄၵ“዇ీ‫ۉ‬უ”ยዃ੗ᆩᇀ‫ۉ‬ ऐሡཕईᅜ‫୲ࠀگג‬ሏႜ‫ڦ‬൧઄ă཮3၂๖Ԉࡤሞ‫ۉ‬ऐ੦ ዆ॐࠓዐ‫ڦ‬PFCᇱ૙཮ă Page 83 ཮3. ‫ۉ‬ऐ੦዆ᆌᆩ PFCᅟᇀ๑ᆩ ැ๑ᆩࢇ๢‫ڦ‬੦዆ഗICࢅട‫ڦړ‬ኧ‫ॲ෉׼‬Ljํ၄ຕጴPFC ঴ਦ‫ݛ‬ӄժփᅃۨႴᄲঢ়૦ड़వ‫ڦ‬ბသ൸၍ă‫ܔ‬ᇀ‫ۉ‬ऐ੦ ዆‫ۯڪ‬ༀᆌᆩLjኄዖํ၄‫݆ݛ‬टਏॏኵă MS-2326 TA12532sc-0-7/14 Page 84 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2528 ࠀࡼǖ዇ీ݀พഗยऺዐ‫ڦ‬๯ᄲ ੊୯ᅺ໎ ፕኁǖTracey JohnsonLjᆌᆩ߾‫ײ‬฾ǗMichal BrychtaLj ᆌᆩ߾‫ײ‬฾LjADIࠅິ ֑ᆩ4 mA዁20 mAఇె๼‫ࢅ؜‬HART®(੗ლ኷ᇺ‫ߌدײ‬ഗߛ ໏ཚ‫)ڢ‬থ੨Ljժ஢ፁࠀࡼᇨ໙ยऺ࣍ୟࠃ‫ۉ‬๕၄‫ׇ‬ᅏ՗‫ݥ‬ ‫׉‬ઓవă‫ڦپړ‬၄‫ׇ‬ᅏ՗Ljᄺ৽๟ዚ໯ዜኪ‫ڦ‬዇ీ݀พ ഗLj๟एᇀྲ‫ت‬૙ഗ‫ڦ‬዇ీยԢLjᆩᇀ॔੦ࡗ‫ײ‬੦዆Վ ଉăໜጣሁઠሁ‫تڦܠ‬૙ࠀీ‫ݴ‬ො‫߾ڟ‬ፕ၄‫ׇ‬Ljُૌ၄‫ׇ‬ ยԢ‫ڦ‬዇ీࣅ‫܈ײ‬නᅮ༵ߛă़ᄲබࢇኄዖ‫ڦྔܮ‬዇ీĂփ ܏ሺे‫ࢅీࠀڦ‬ኑ܏ీ૰Ljᆼᄲਸ݀‫ࠕీ؜‬ሞ4 mA዁20 mA ‫࣍ڦ‬ୟ໯༵ࠃ‫ڦ‬ᆶ၌ࠀ୲‫ాྷݔ‬ᆶၳሏႜ‫ڦ‬ဣཥ߸๟ሺे କ཈቟‫ڦ‬వ‫܈‬ăԨ࿔༑༪ဣཥยऺටᇵ௬ଣ‫ࡼࠀڦ‬཈቟Lj ժ঴๥ᆯADIਸ݀Ăঢ়HARTཚ႑एূࣷණኤ‫ڦ‬ᅃ੼०‫ڇ‬ ঴ਦ‫ݛ‬ӄසࢆᆌ‫޿ܔ‬཈቟Ǘኄଇև‫ాݴ‬ඹ਩ٗኝ༹ဣཥ֫ ْᅜत዇ీ݀พഗยऺएԨ႑ࡽ૾ᇮॲ‫ڦ‬ঙ‫܈‬৊ႜ༑༪ă ཮1. ዇ీ݀พഗ႑ࡽ૾ ‫ܔ‬ඪࢆ݀พഗઠຫLjፌዘᄲ‫ڦ‬ᇮॲ๟ዷ‫ߌد‬ഗतഄፌᆫ߾ ፕጒༀLjᅜՍ༵ࠃፌ৛ඓ‫֪ৣ࣍ڦ‬ଉ֖ຕăዷՎଉཚ‫׉‬ൽ ਦᇀ‫ޤ‬ዺՎଉ(૩සუ૰‫ߌد‬ഗ‫ڦ‬࿒‫܈‬ց‫)׋‬ăሞ཮2๖૩ ዐLj‫ߌد‬ഗ๟ᅃ߲5 kΩፆੇ‫ڦ‬ፆႠ‫ൃۉ‬Lj໯჋߾ፕఇ๕ྺ 3.3 V૶Ⴤ‫ۉ‬უघ૤ఇ๕ăᅺُLj‫ߌد‬ഗၩࡼጺဣཥࠀࡼᇨ ໙ዐ‫ڦ‬660 μAă ཮2. ኧ‫׼‬HART‫ڦ‬၄‫ׇ‬ᅏഗᅏ՗ᄇ๖ࠀీ઀཮ ADuCM360৛௢ఇెྲ੦዆ഗण‫ׯ‬ଇ߲ਏᆶ੗Պ‫ײ‬ሺᅮ‫ڦ‬ ‫گ‬ሯำ৛௢ᅏ՗‫ٷݣ‬ഗă‫ٷݣ‬ഗኍ‫ܔ‬ፌ‫گ‬੗ీࠀࡼᆫࣅLj ࠀ୲पৈሞႴᄲగሺᅮ้֍‫ٶ‬ਸăኄᄣ੗ሞ‫ۉ‬ୟႠీᇑࠀ ࡼᄲ൱ኮक़इ‫ڥ‬ፌᆫೝ࢚ăُ‫ت‬๖૩‫ۉ‬ୟዐLjዷ‫ߌد‬ഗ੗ ሞघ૤‫ۉ‬უৈྺᅃӷ้๑ᆩLjܸٗ๑‫ڥ‬႑ࡽ‫ۉ‬ೝ३ӷLjཞ ้ཚࡗՊ‫ٷݣॽײ‬ഗሺᅮٗ16‫݋‬Ԡ዁32Ljํ၄႑ࡽ૾Ⴀీ ‫ڦ‬ᆫࣅăኄᄣ੗ᅜবู330 μA‫ߌد‬ഗघ૤‫ୁۉ‬Ljժሺे60 μA ‫ٷݣ‬ഗ‫ۉ‬ᇸ‫——ୁۉ‬৫বู270 μAă৊ႜኄૌ඄࢚ൽป้Lj ࣏ᆌ੊୯ഄ໲ᅃၵ‫ݛ‬௬LjԲස٪ሞྔև‫߅ىۉ‬ඡ้‫ߌدڦ‬ ഗ႑ሯԲăኄ੼ྜඇण‫ׯ‬๕੗Պ‫ײ‬঴ਦ‫ݛ‬ӄీྺยऺටᇵ ०ࣅኍ‫ܔ‬ኄၵ჋ၜ‫ڦ‬ೠࠚă ଇ߲24࿋ఇຕገ࣑ഗ(ADC)‫ܔ‬ঢ়ࡗ‫ڦٷݣ‬ዷ‫ߌد‬ഗࢅ‫ޤ‬ዺ ‫ߌد‬ഗ႑ࡽ৊ႜ֑ᄣLjժገ࣑ྺຕጴᇘ႑ࡽă཮2ዐLj ADCण‫ׯ‬ሞADuCM360ዐLjժཞᄣኍ‫ܔ‬Ⴀీ‫ٳ‬Ք‫ڦ‬ፌ‫ࠀگ‬ ࡼᆫࣅăΣ-Δॐࠓࠦᆶߛ‫ݴ‬Ր୲Ă၍Ⴀࢅߛ৛‫ڪ܈‬༬ႠLj ܸຕጴ୳հഗሶ๔ዕాዃᇀΣ-Δ႙ADCኮዐLjሎႹሞ໯Ⴔ ႑ࡽ‫ࢅ੻ټ‬๼෇ሯำኮक़৊ႜՊ‫ײ‬඄࢚ൽปǗࢫኁ‫ܔ‬ᇀ੗ ํ၄‫ݴڦ‬Ր୲ਏᆶ኱থᆖၚăཚ‫׉‬၄‫ׇ‬ᅏഗᅏ՗‫ڦ‬๼෇‫܋‬ Ⴔᄲߛᇀ16࿋‫ݴڦ‬Ր୲Lj֍ీሞ๼‫ࠃ༵܋؜‬16࿋‫ݴ‬Ր୲ă Page 85 MS-2528 ྲ੦዆ഗᆩᇀ‫ت‬૙ઠጲᅃൎ၄‫ׇ‬ᅏഗᅏ՗‫ߌد‬ഗ‫ڦ‬๼෇႑ ࡽLjժऺ໙ࡗ‫ײ‬Վଉ‫֪ڦ‬ଉ঳ࡕăُྔLj‫ت‬૙ഗႴኴႜ߸ ‫ ܠ‬ኑ ܏ Lj ᅜ त ߸ ‫ ް ڦ ܠ‬ሗ ཚ ႑ ă Ԩ ૩ ๑ ᆩ 32࿋ ARM Cortex®-M3 RISC‫ت‬૙ഗLjժ‫ٲ‬ದ128 kB Flash٪‫ئ‬ഗĂ8 kB SRAMᅜतഄ໲ྔยLjԲසฉ‫ްۉ‬࿋Ă้ዓิ‫ׯ‬Ăຕጴথ ੨ࢅᅃဣଚኑ܏ࠀీăྲ੦዆ഗ๟ᅃ߲ްሗᇮॲLj੗ీႴ ᄲ࢔‫୲ࠀٷ‬Lj໯ᅜ௅ࡹྑࠀ୲ీࠕྜ‫تڦׯ‬૙ሁ‫ܠ‬ሁࡻă ဣཥዐ௽၂Ⴔᄲ඄࢚ൽป‫ڦ‬๟ྲ੦዆ഗాࢃ໏‫܈‬ᇑ‫ۉ‬ᇸ‫ۉ‬ ୁăཚࡗྺ௅ᅃ߲ຕጴྔย(Բස‫ز‬ႜথ੨ࢅ้ۨഗ)჋ስ Ⴔᄲ‫ڦ‬ፌ‫้گ‬ዓೕ୲࣏੗বูᅃၵࠀࡼăԨ૩ዐLj4 mA዁ 20 mA๼‫؜‬௅1 ms߸ႎᅃْăADuCM360ሎႹSPIথ੨֑ᆩፌ ߛ16 MHz้ዓೕ୲Ljժ๑ᆩ100 kHzዐ‫ڪ‬ೕ୲‫ز‬ႜ้ዓ‫ٲ‬ದ ፌᆫ้ዓጱ‫ݴ‬ೕഗLjႊೌጲวन੗বูሀ30 μAăཚࡗই‫گ‬ ᇑᆇຘ‫ۉ‬ୟӱ(PCB)ጽ၍ฉ‫ڦ‬SPI႑ࡽसิ‫ۉ‬ඹᆶ࠲‫ۯڦ‬ༀ ‫ୁۉ‬ᅜतᇮॲᆅগ‫ۉ‬ඹLj੗‫ྔܮ‬বูຕμAăADuCM360֑ ᆩCortex-M3Ljࠀࡼሀྺ290 μA/MHză໲Ԉࡤटྺଳऄ‫ాڦ‬ և‫ۉ‬ᇸ࠶૙჋ၜLj੗‫ۯ‬ༀൎ࣑‫ۉ‬ᇸࢅ้ዓ໏‫܈‬዁ాևఇ ੷LjሎႹํ၄ဣཥࠀࡼࢅႠీ‫ڦ‬ፌᆫೝ࢚ă ၄‫ׇ‬ᅏഗᅏ՗4 mA዁20 mA๼‫ୁۉ؜‬ᆯຕఇገ࣑ഗ(DAC)ᅜ तᅃ߲๼‫ୁݴ؜‬ഗ৊ႜยዃăAD5421ण‫ׯ‬କ16࿋DACࢅ‫ۉ‬ ୁ๼‫؜‬पăُྔLj޿ഗॲ࣏ण‫ׯ‬৛௢एጚ‫ۉ‬უᇸࢅ੗Պ‫ײ‬ ‫ۉ‬უۙব‫ۉ‬ୟLjኄ๟ٗ࣍ୟइൽ‫ۉ‬ᇸLjժྺጲวᅜत݀พ ഗ႑ࡽ૾‫ڦ‬ഄ໲ᇮॲࠃ‫ۉ‬໯ՂႴ‫ڦ‬ăُྔLjAD5421࣏༵ࠃ ‫ాೌ߲ܠ‬ኑ܏ࠀీLj໯ᆶኄၵࠀీ‫ۼ‬੗ᆯྲ੦዆ഗದዃࢅ ‫܁‬ൽLj‫ڍ‬ᄺ੗ᅜጲዷ߾ፕăన಄ਏᆶසُߛ‫ڦ‬ण‫܈ׯ‬Lj AD5421‫ڦ‬ፌ‫ٷ‬ጺ‫ୁۉ‬ᄺৈᆶ300 μALjጺփ੗ۙኝ࿒‫܈‬ဃֶ փፁ±0.05% FSRLjሞํ၄‫د‬๼֪ଉ႑တ૭‫܈‬ፌ‫ڦࣅٷ‬ཞ้Lj ‫ܔ‬ဣཥࠀࡼ࿮޶௬ᆖၚă ፌࢫLjྜ฀4 mA዁20 mAఇె๼‫ڦ؜‬๟HARTۙ዆঴ۙഗǗ ޿ഗॲሞ၄‫پ‬੦዆ဣཥዐӳᄇጣ࠲॰‫ڦ‬ঙ෥Lj༵ࠃᇑዷऐ ဣཥኮक़‫ڦ‬ຕጴཚ႑ăHARTཚ႑੗ํ၄ৈཚࡗఇెཚ႑๮ ܎࿮݆ၙၡ‫ీࠀڦ‬ă๖૩Ԉઔዷऐइൽᅏഗᅏ՗‫ޤڦ‬ዺՎ ଉĂኑ܏႑တᅜतኴႜᇺ‫ײ‬ၯጚ૩‫ײ‬ăཞᄣLj‫ࢅࡼࠀگ‬ၭ ؅٫๟ยऺHART‫ۉ‬ୟ‫ڦ‬ዘᄲ੊୯ᅺ໎ăُ‫֑ت‬ᆩAD5700ă AD5700‫ۆڦ‬႙݀พࢅথ๭‫ݴୁۉ‬՚ྺ124 μAࢅ86 μALj቞ጺ ࠀࡼᇨ໙‫ڦ‬Բ૩ᆶ၌ăHART๼‫ۙ؜‬዆๼‫ୁۉ؜‬Lj඗ࢫཚ ࡗጆᆩᆅগᇑAD5421‫ాڦ‬և൱ࢅব‫ܔۅ‬থăHART๼෇ཚ ࡗ०‫ڇ‬࿮ᇸRC୳հഗٗ‫࣍ୁۉ‬ୟ᳘ࢇăRC୳հഗፕྺ‫ڼ‬ ᅃपLjᆩፕHART঴ۙഗ‫ټڦ‬ཚ୳հഗLjཞ้ሺഽဣཥ‫ڸ‬ ੇ‫߅ىۉ‬ඡ‫ీڦ‬૰——ኄ‫ܔ‬ᇀ࿘ۨ߾ፕሞܱଝ߾ᄽ࣍ৣዐ ‫ڦ‬ᆌᆩܸჾ‫׉ݥ‬ዘᄲăHARTۙ዆঴ۙഗ‫้ڦ‬ዓᆯೌฉ‫ࠀگ‬ ࡼና‫ږ‬ഗิ‫ׯ‬Ljਏᆶ3.8664 MHzྔևৗናLj๑ᆩଇ߲8.2 pF থ‫ۉں‬ඹLj኱থ૶থ‫ڟ‬XTALᆅগăኄዖದዃ๑ᆩ‫ࡼࠀڦ‬ ፌ‫گ‬ă ཮3. ਏᆶHARTথ੨‫ྜڦ‬ኝ4 mA዁20 mA࣍ୟࠃ‫ۉ‬၄‫ׇ‬ᅏ՗ ॠֱኝ߲႑ࡽ૾Lj࢔௽၂੗ᅜੂ‫ڟ‬Ljሞ௅ྲҾ‫׉ݥۼ‬ዘᄲ ‫ُڦ‬ૌᆌᆩዐLj཮3໯๖ኧ‫׼‬HART‫ڦ‬၄‫ׇ‬ᅏഗᅏ՗ᄇ๖‫ۉ‬ ୟਏᆶ዁࠲ዘᄲ‫ڦ‬ፕᆩă՗1ଚ‫؜‬କ޿DEMO-AD5700D2Z ဣཥዐ‫֪ୁۉڦ‬ଉၘဦ൧઄Ǘ੗ੂ‫ڟ‬ጺ‫ྜୁۉ‬ඇ‫ࢇޙ‬ኄૌ ยऺ‫ۨܮڦ‬ဣཥࠀࡼᇨ໙ፌ‫ٷ‬ኵLjन3.5 mA(“‫ۉگ‬ೝԒয়” ยዃ)ă Page 86 ‫ߌد‬ഗ ADuCM360 ՗1. ᄇ๖‫ۉ‬ୟ‫ऺࡼࠀڦ‬໙ ‫ۉ‬ୟఇ੷ ዷ‫ߌد‬ഗ(ፆႠ‫ൃۉ‬Lj 3.3 V้5 kΩ) ‫ޤ‬ዺ‫ߌد‬ഗ(RTDLj200 μA घ૤) ‫ߌد‬ഗጺऺ ᅏ՗‫ٷݣ‬ഗ1(ሺᅮ=8) ᅏ՗‫ٷݣ‬ഗ2(ሺᅮ=16) 24࿋ADC 1LjԈઔ๼෇࣐؋ഗ 24࿋ADC 2LjԈઔ๼෇࣐؋ഗ एጚ‫ۉ‬უᇸĂRTDएጚ‫ୁۉ‬ᇸ ADuCM360ఇె‫ۉ‬ୟጺऺ ‫ۉ‬ᇸ‫ୁۉ‬ (mA) 0.660 0.200 0.860 0.130 0.130 0.140 0.140 0.135 0.675 ቞ጺ‫ୁۉ‬ ‫ڦ‬ӥ‫ݴ‬Բ 28% 22% ྲ੦዆ഗాࢃ(2 MHz)ࢅ ٪‫ئ‬ഗ SPIĂUARTĂ้ۨഗĂ ੂோࠑĂഄ໲‫ۉ‬ୟ ้ዓ݀ิഗ ADuCM360ຕጴ‫ۉ‬ୟጺऺ 16࿋DAC VገIൻ‫ۯ‬ഗ एጚ‫ۉ‬უᇸ ‫ۉ‬ᇸ࠶૙Ă࿘უഗ SPIĂੂோࠑĂഄ໱‫ۉ‬ୟ AD5421ጺऺ ۙ዆ഗ/঴ۙഗ(ፌֶ൧઄Lj ݀พ) ้ዓ݀ิഗ(‫ྔټ‬ևৗና) AD5700ጺऺ ӱฉഄ໱‫ۉ‬ୟĂ‫ۯ‬ༀ‫ୁۉ‬ ጺࢅ 0.790 0.085 0.170 1.045 0.050 0.060 0.050 0.055 0.010 0.225 0.124 0.033 0.157 0.138 3.100 34% 7% 5% 4% 100% MS-2528 ጺኮLj޿঴ਦ‫ݛ‬ӄփ‫ڍ‬ኧ‫߾ࡼࠀگ׼‬ፕLjཞ้ᄺ๟ᅃዖߛ Ⴀీ‫ڦ‬঴ਦ‫ݛ‬ӄLj௬ओਸၨፌၭLj࣏‫ࢇޙ‬HARTࡀ‫ݔ‬ăᅙ ཚࡗग़ඹႠ֪๬ࢅᄓኤLjժጀ֩ྺHARTཚ႑एূࣷණኤ ‫ڦ‬HART঴ਦ‫ݛ‬ӄăኄᅃ‫ࠀׯ‬ጀ֩੗ඟ‫ۉ‬ୟยऺටᇵ‫ݣ‬႐ ‫ں‬๑ᆩ‫ۉ‬ୟዐ‫ڦ‬ᇮॲăADuCM360‫ߛڦ‬ण‫܈ׯ‬๑ഄਏᆶߛ ‫ڦ܈‬ଳऄႠLjժॽዘ‫دٗۅ‬ཥ‫ݴ‬૬๕ᇮഗॲยऺገᅎ‫ڟ‬ႊ ೌా௅ᅃ߲ण‫ׯ‬๕ఇ੷‫ڦ‬ፌߛၳ૧ᆩăဣཥยऺටᇵฯ዁ ੗ᅜሞยऺࢫ೺ํ७മ࿔༪ஃ‫ڦ‬඄࢚ൽป——໱்ኻႴሞ ෉ॲዐ߀Վ‫ۉ‬ୟยዃăኄᄣ੗ᅜ໫‫܌‬ยऺዜ೺ժ०ࣅ‫ۉ‬ୟ Ⴊ߀ࢅ‫ۉ‬ୟႠీ‫ۙڦ‬ၿLj࿮Ⴔঢ়ࡗ‫ׯ‬Ԩߛӆᆼ‫ݯ้ݯ‬૰‫ڦ‬ PCBႪ߀ࡗ‫ײ‬ăኄ੼ण‫ׯ‬๕ྜඇ੗Պ‫ײ‬CN0267঴ਦ‫ݛ‬ӄ༵ ࠃྜኝ‫ڦ‬࿔‫ڗ‬Ljժ੗ሞ၍۩ࠔᆘॲă ཮4. HARTጀ֩‫ڦ‬၄‫ׇ‬ᅏഗᅏ՗ᄇ๖ӱ ֖੊࿔၅ HARTཚ႑एূࣷණኤLjྪ኷ǖwww.hartmcomm.org AD5421 AD5700 One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA12920sc-0-12/14 Page 87 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . ࣍ୟࠃ‫ۉ‬዇ీՎໃഗ‫ࡼࠀڦ‬၌ ዆සࢆሞࠀࡼᇨ໙ࠦۨփՎ‫ڦ‬ ൧઄ူ༵ߛ዇ీ຤ೝ ፕኁǖTracey Johnson)৛௢ገ࣑ഗևோᆌᆩ߾‫ײ‬฾* ࢅMichal Brychta)ADIࠅິ߾ᄽࢅᅏ՗ᅏഗևோဣཥ ᆌᆩ߾‫ײ‬฾Dž ‫ڦپړ‬၄‫ׇ‬ᅏ՗Ljᄺ৽๟ዚ໯ዜኪ‫ڦ‬዇ీՎໃഗLj๟एᇀ ྲ‫ت‬૙ഗ‫ڦ‬዇ీ၄‫ׇ‬ᅏ՗Ljᆩᇀ॔੦ࡗ‫ײ‬੦዆Վଉăໜጣ ᅃၵ‫ت‬૙ࠀీٗዐ႐੦዆๪‫ݴ‬ො‫߾ڟ‬ፕ၄‫ׇ‬Ljُૌ၄‫ׇ‬ย Ԣ‫ڦ‬዇ీࣅ‫܈ײ‬නᅮ༵ߛăဣཥยऺටᇵ௬ଣጣᅃዖ኱থ ཈቟Ljᄺ৽๟़ᄲබࢇ‫ڦྔܮ‬዇ీĂࠀీࢅኑ܏ీ૰Ljཞ ้ᆼᄲਸ݀‫ࠕీ؜‬ሞ4-20mA‫࣍ڦ‬ୟ໯༵ࠃ‫ڦ‬ᆶ၌ࠀ୲‫ྷݔ‬ ాᆶၳሏႜ‫ڦ‬ဣཥăԨ࿔ኼሞኸ‫؜‬๨‫ׇ‬ዐ‫؜‬၄‫ڦ‬ᅃၵዷᄲ रຍ࿔ቤ MS-2475 ൵๞‫ڦ‬ዘᄲႠLjཞ้༑༪සࢆሞኝ༹ဣཥْ֫ᅜतሞ዇ీ ՎໃഗยऺएԨ႑ࡽ૾ᇮॲ‫ߛాྷݔڦ‬ၳ‫ں‬঴ਦኄၵ࿚ ༶ăᆯADIࠅິਸ݀ժၠHARTཚ႑एূࣷ[1]ጀ֩‫ڦ‬ᅃ߲ ๖૩঴ਦ‫ݛ‬ӄጆோᆩᇀُૌยऺă ‫ٷ‬և‫ݴ‬዇ీՎໃഗ๟࣍ୟࠃ‫ۉ‬႙(ມ၍)ഗॲăٗ࣍ୟइ‫ڥ‬ ‫ۉڦ‬ᇸՂႷྺᅏ՗ా‫ڦ‬ᅃൎࠃ‫ۉ‬LjԈઔ‫ߌد‬ഗࢅ໯ᆶኧ‫׼‬ ‫ۉ‬ጱ‫ۉ‬ୟăፌၭ࣍ୟ‫ྺୁۉ‬4 mALjᅺُኄዖยऺኻీ๑ᆩ 3.5 mA(“‫گ‬Ԓয়”ยዃ)Ljኄ๟ሎႹ‫ڦ‬ፌ‫ٷ‬ဣཥࠀࡼă໯ᅜLj ྺ዇ీՎໃഗยऺ჋ስഗॲ้Ljࠀࡼ๟๯ᄲ੊୯ᅺ໎ă ཮1. ၄‫ׇ‬ᅏ՗ႜᄽ‫ڦ‬൵๞ Page 88 MS-2475 ཮2. HARTཚ႑ă ዇ీՎໃഗ‫׉׉‬࿋ᇀླ၃ईᇺ‫ײ‬൶ᇘLjవᅜ኱থথ‫ة‬ᅜኴ ႜ‫ࡀ׉‬ဣཥྼࢺඪခăኄኟ๟ᇨ‫ݞ‬Ⴀྼࢺࠀీࣩ݀ዘᄲፕ ᆩ‫ࢇׇڦ‬Lj࿮ႴևຈྼႪටᇵമྫ၄‫ׇ‬ăᅺُLjഗॲሁઠ ሁႴᄲକ঴ጲว‫੃ॳڦ‬ጒ઄ă ՎໃഗཚࡗՔጚ4-20 mAఇె࣍ୟၠ੦዆๪‫د‬ໃࡗ‫ײ‬Վଉă ‫ܔ‬ᇀࡗ‫࠲ײ‬॰႙֪ଉLjኄ๟๯჋ཚ႑‫ݛ‬๕Ljᅺྺ໲‫׉ݥ‬੗ ੍LjԨว‫ܔ‬ሯำࢅუইփ௺ߌăሞ၄‫ׇ‬ण‫ܠ߸ׯ‬዇ీࠀీ ᅙ඗‫ྺׯ‬ᅃዖ൵๞LjሞُԝৠူLjHART®(੗ლ኷ᇺ‫ߌدײ‬ ഗߛ໏ཚ‫)ڢ‬ཚ႑ᄺਸ๔‫ྺׯ‬ኝ߲ႜᄽ‫ڦ‬ፌॅມၠཚ႑ၹ ᅱLjᆩᅜሞ၄‫ׇ‬ยԢࢅ੦዆๪ኮक़ᅜຕጴ‫ݛ‬๕‫د‬๼‫ڦྔܮ‬ ኑ܏႑တă०ܸჾኮLj኱ୁࢅ‫گ‬ೕ4-20 mA‫ୁۉ‬႑ࡽᆯ‫܀‬૬ ‫ߛ߸ڦ‬ೕ୲႑ࡽ৊ႜۙ዆Ljߛೕ႑ࡽሞᅃ‫ܔ‬ೕ୲ኮक़ൎ ࣑ǖ1.2 kHzࢅ2.2 kHzǗኄዖरຍ‫ྺ׬‬ೕᅎ॰੦(FSK)ăُ 1 mA‫ރރ‬ኵFSK႑ࡽԥۙ዆‫ڟ‬ఇె‫ୁۉ‬႑ࡽฉLjᇱ๔ዷՎଉ ‫د‬๼փዐ܏ă ၟ໯ᆶᆌᆩᅃᄣLj੗ᆩ‫ڦ‬PCB௬ओ๟ᆶ၌‫ڦ‬LjᅺُႴᄲ‫ܔ‬ ໯ᆩഗॲ‫ڦ‬ૌ႙ࢅ؅٫৊ႜ၌዆ăُྔLjՎໃഗྔ੕؅٫ ໫ၭᅜत‫ܔ‬ց؊ࠀీ‫ڦ‬Ⴔ൱Lj৊ᅃօ၌዆କPCB௬ओă঳ ࡕLj௅߲ፇॲ‫ۼ‬Ⴔᄲߛण‫ڦ܈ׯ‬ႊೌ঴ਦ‫ݛ‬ӄă ໜጣဣཥपण‫ׯ‬Վ‫ڥ‬නᅮ೵ՓLjઓవਸ๔ገၠሺഽဣཥႠ ీ‫ݛ‬௬Ljनഗॲ‫ڦ‬৛‫ݴࢅ܈‬Ր୲ăߵ਍ਨ‫ܔ‬৛‫ࢅ܈‬࿒೏჋ ስਏᆶ໯ႴႠీࢅጺဃֶ‫ڦ‬ഗॲLj‫ܔ‬ᇀํ၄৛ඓĂ࿘ۨ‫ڦ‬ Վໃഗ঴ਦ‫ݛ‬ӄ዁࠲ዘᄲăኄཞᄣᆶዺᇀၩ‫ܠأ‬ዖߛ‫ׯ‬Ԩ ၯጚ‫ײ‬ႾLjܸٗই‫ׯׂิگ‬ԨLj༵ߛፌዕဣཥ‫ڦ‬੗዆ሰႠă ᅜฉ੊ִକ๨‫ׇ‬ฉ‫ڦ‬ᅃၵዷᄲ݀ቛ൵๞LjথူઠLj࿢்ॽ ၘဦ༑༪ᅃዖኈํ‫࣍ڦ‬ୟࠃ‫ۉ‬႙4-20 mA዇ీՎໃഗ႑ࡽ૾ă 1. ཮3႑ࡽ૾ዐ໯๖‫ڦ‬ଇዖ‫ߌد‬ഗ‫׉‬ᆩᇀ዇ీՎໃഗย ऺLjഄዐ‫ڦ‬ዷՎଉൽਦᇀ‫ޤ‬ዺՎଉ(૩සዷՎଉ‫ڦ‬࿒‫܈‬ ց‫)׋‬ăॠ֪ᇮॲ֪ଉ࣍ৣ֖ຕईࡗ‫ײ‬Վଉă‫ߌد‬ഗ๼ ‫؜‬႑ࡽႴᄲ৊ႜۙ૙ࢅ‫ٷݣ‬ăཚ‫׉‬๑ᆩ‫گ‬ሯำ৛௢ᅏ՗ ‫ٷݣ‬ഗăዘᄲ‫ڦ‬๟‫گ‬ሯำᇑ‫ࡼࠀگ‬ኮक़ᆌํ၄ଆࡻ‫ڦ‬ೝ ࢚ăঢ়ࡗۙ૙‫ߌدڦ‬ഗ႑ࡽໜࢫᆯADC֑ᄣăྺ༵ࠃߛ Ⴀీ16࿋၄‫ׇ‬ᅏ՗๼‫؜‬LjႴᄲ๑ᆩ‫ݴ‬Ր୲ߛᇀ16࿋‫ڦ‬ ADCă‫׉׉‬჋ᆩߛ‫ݴ‬Ր୲Ăߛ‫ۯ‬ༀ‫ڦྷݔ‬Σ-Δ႙ADCă ADC๼‫؜‬႑ࡽ‫ڦ‬ຕጴ႑ࡽ‫ت‬૙๟႑ࡽ૾ዐ‫ူڦ‬ᅃपăኄ ๟ሞྲ੦዆ഗዐྜ‫ׯ‬ăཚ‫׉‬๑ᆩ10 MIPSᅜฉ‫ڦ‬32࿋RISC ੦዆ഗLjԲසARM Cortex™-M3ă޿੦዆ഗ࣏Ⴔᄲ‫ޤ‬ዺᅜ ๢‫ٷړ‬ၭ‫ڦ‬෻٪SRAMࢅഄ໲ྔยLj૩සǖฉ‫ްۉ‬࿋ࠀ ీĂ้ዓׂิĂຕጴথ੨ࢅᅃဣଚኑ܏ࠀీăྲ੦዆ഗ (μC)๟ᅃ߲ްሗᇮॲLj੗ీႴᄲ࢔‫୲ࠀٷ‬Lj໯ᅜ௅ࡹྑ ࠀ୲ీࠕྜ‫تڦׯ‬૙ሁ‫ܠ‬ሁࡻă Page 89 MS-2475 ཮3. ዇ీՎໃഗ႑ࡽ૾ 2. ‫أ‬କ‫ت‬૙֪ଉኮྔLjμC࣏ᆩᇀ੦዆DACLjምᆯDAC੦ ዆࣍ୟ‫ୁۉ‬ă‫أ‬କDAC‫ࡼࠀگڦ‬ᄲ൱ᅜྔLj႑ࡽ૾჋ስ ޿ഗॲ‫ڦ‬ഄ໱ዘᄲ੊୯๟ߛ৛‫܈‬Ă࿒‫܈‬࿘ۨႠࢅࠦᆶኑ ܏ࠀీLj໯ᆶኄၵ‫ۼ‬ᆶዺᇀሺഽဣཥ‫ڦ‬Ⴀీࢅ࿘ۨႠă DACएጚᇸ‫ڦ‬৛‫ࢅ܈‬࿘ۨႠཞᄣ዁࠲ዘᄲă 3. ઍ෇DAC‫ڦ‬๟HARTۙ዆঴ۙഗLj໲ᇑμC‫ڦ‬UARTথ੨ ᅃ‫ڢ‬Ljኧ‫׼‬዇ీՎໃഗยऺ‫ڦ‬HARTཚ႑Ljሞॠ໭ᅏഗ ‫ࢅײࡗڦ‬ኑ܏႑တ‫ݛ‬௬ഐጣዘᄲፕᆩăཞᄣLj‫ࢅࡼࠀگ‬ ၭ ؅ ٫ ๟ ჋ ስ HARTۙ ዆ ঴ ۙ ഗ ፇ ॲ ้ ‫ ڦ‬ዘ ᄲ ੊ ୯ ᅺ ໎ă೔཮‫ڦ‬ፌࢫᅃ੷๟‫ۉ‬ᇸ࠶૙‫ۉ‬ୟ(ස཮3໯๖)Lj཮ ዐ၂๖ྺ࿘უഗఇ੷ă໲኱থٗ࣍ୟइൽ‫ۉ‬ᇸLjժ༵ࠃ ࿘უ‫ۉ‬ᇸᅜྺ཮ዐ໯๖ඇևՎໃഗ႑ࡽ૾ഗॲࠃ‫ۉ‬ă ཮4. ኧ‫׼‬HART‫ڦ‬዇ీՎໃഗᄇ๖‫ݛ‬ӄ઀཮ Page 90 MS-2475 ሞ௅ྲҾ‫׉ݥۼ‬ዘᄲ‫ُڦ‬ૌᆌᆩዐLj཮4໯๖ኧ‫׼‬HART‫ڦ‬ ዇ీՎໃഗᄇ๖‫ۉ‬ୟ(CN-0267) [2]ਏᆶ዁࠲ዘᄲ‫ڦ‬ፕᆩă ޿‫ۉ‬ୟᆯADIࠅິਸܸ݀‫ׯ‬Lj֑ᆩADuCM360 [3](ᅃ੼৛௢ ఇెྲ੦዆ഗ)ĂAD5421 [4](ᅃ੼16࿋Ă4-20 mA࣍ୟࠃ‫ۉ‬႙ DAC)ࢅAD5700 [5](ᅃ੼‫ࢇޙ‬HARTՔጚ‫ڦ‬ICۙ዆঴ۙഗă ఇెമ‫ۉ܋‬ୟኍ‫߾ࡼࠀگܔ‬ፕఇ๕ܸᆫࣅLjཞ้࣏ీྼ‫׼‬ ໯Ⴔᄲ‫ߛڦ‬ఇెႠీăྲ੦዆ഗాࢃ੗ᅜದዃྺ೵ཚ߾ፕ ఇ๕Ljࠀࡼྺ290 μA/MHză໲༵ࠃटഄଳऄ‫ాڦ‬և‫ۉ‬ᇸ࠶ ૙჋ၜLjᅜ‫ܠ‬ዖాև้ዓ໏୲჋ၜํ၄ࠀࡼችዔLjཞ้࣏ ੗‫ۯ‬ༀ‫୲ࠀॽں‬๼ໃ‫ాڟ‬ևఇ੷ă HART‫ۆڦ‬႙݀พࢅথ ๭‫ݴୁۉ‬՚ྺ124 μAࢅ86 μALj቞ጺࠀࡼᇨ໙‫ڦ‬Բ૩ᆶ၌ă ૌຼ‫ں‬Lj࣍ୟࠃ‫ۉ‬႙DAC‫ڦ‬ፌ‫ৢٷ‬ༀ‫ୁۉ‬ኻᆶ300 μALjጺ‫ݥ‬ ۙኝ࿒‫܈‬ဃֶྺ±0.048% FSRLjሞํ၄‫د‬๼֪ଉ႑တ૭‫܈‬ፌ ‫ڦࣅٷ‬ཞ้Lj‫ܔ‬ဣཥࠀࡼ࿮޶௬ᆖၚă ߸ၘဦ‫ں‬ჺ৯ُ঴ਦ‫ݛ‬ӄLjժॽഄᇑ཮3ຫ௽‫ڦ‬ཚᆩ႑ࡽ ૾৊ႜԲডǖ 1. ྲ੦዆ഗೌฉADC 0֪ଉ၄‫ׇ‬ᅏ՗ዷᄲ‫ߌد‬ഗLjԨ૩ዐ ๟ᅃ߲ፆႠ‫ൃۉ‬უ૰‫ߌد‬ഗLj‫ೌ߲ܾڼ‬ฉADCሶᆩઠ֪ ଉْᄲ࿒‫ߌد܈‬ഗ႑ࡽăኄᄣ੗ᅜํ၄ዷ‫ߌد‬ഗ‫ڦ‬࿒‫܈‬ ց‫׋‬ăଇ߲ᅏ՗‫ٷݣ‬ഗཞᄣण‫ྲڟׯ‬੦዆ഗႊೌฉLjُ ྔ࣏ᆶघ૤‫ୁۉ‬ᇸĂएጚ‫ۉ‬უᇸࢅഄ໲ኧ‫׼‬ఇె‫ۉ‬ୟă ໯ᆶ၄‫ׇ‬ᅏ՗ຕጴࠀీ‫ۼ‬ᆯ‫ࡼࠀگ‬32࿋ARM Cortex-M3 RISC‫ت‬૙ഗ༵ࠃă 2. ُยऺዐ‫߲ܾڼڦ‬ዘᄲᇮॲ๟࣍ୟࠃ‫ۉ‬DAC(AD5421)Lj ໲ཚࡗSPIথ੨ᇑྲ੦዆ഗण‫ׯ‬ă޿DAC๟ᅃ੼ྜኝ‫ڦ‬ ࣍ୟࠃ‫ۉ‬႙ຕጴ4mA-20mAገ࣑ഗLjాዃएጚ‫ۉ‬უᇸĂ ࣍ୟথ੨पࢅ੗Պ‫ۉײ‬უۙব‫ۉ‬ୟLj໲்‫ۼ‬๟ٗ࣍ୟइ ൽ‫ۉࡼࠀگ‬ᇸLjժྺጲวᅜतՎໃഗ႑ࡽ૾‫ڦ‬ഄ໱ᇮॲ ࠃ‫ۉ‬໯ՂႴ‫ڦ‬ăDAC࣏༵ࠃ‫ాೌ߲ܠ‬ኑ܏ࠀీLj໯ᆶኄ ၵࠀీ‫ۼ‬੗ᆯྲ੦዆ഗದዃࢅ‫܁‬ൽLj‫ڍ‬ᄺ੗ᅜጲዷ߾ፕă 3. ፌࢫLjHARTۙ዆঴ۙഗཚࡗՔጚUARTথ੨૶থ‫ྲڟ‬ ੦዆ഗăHART๼‫؜‬ཚࡗඹႠ‫ݴ‬უഗۙኝ዁໯Ⴔ‫܈ޗ‬Lj ժ᳘ࢇ዁DAC‫ڦ‬CINᆅগLj඗ࢫᇑDAC๼‫؜‬ᅃཞൻ‫ࢅۯ‬ ۙ዆๼‫ୁۉ؜‬ăHART๼෇ཚࡗ०‫ڇ‬࿮ᇸRC୳հഗٗ LOOP+᳘ࢇăRC୳հഗፕྺ‫ڼ‬ᅃपLjᆩፕHART঴ۙഗ ‫ټڦ‬ཚ୳հഗLjཞ้ሺഽဣཥ‫߅ىۉੇڸ‬ඡ‫ీڦ‬૰—— ኄ‫ܔ‬ᇀ࿘ۨ߾ፕሞܱଝ߾ᄽ࣍ৣዐ‫ڦ‬ᆌᆩܸჾ‫׉ݥ‬ዘ ᄲ ă HARTۙ ዆ ঴ ۙ ഗ ‫ ้ ڦ‬ዓ ᆯ ೌ ฉ ‫ ࡼ ࠀ گ‬ና ‫ ږ‬ഗ ิ ‫ׯ‬Ljਏᆶ3.8664 MHzྔևৗናLj๑ᆩଇ߲8.2 pFথ‫ۉں‬ ඹLj኱থ૶থ‫ڟ‬XTALᆅগăኄዖದዃ๑ᆩ‫ࡼࠀڦ‬ፌ‫گ‬ă ՗1ଚ‫؜‬କ޿DEMO-AD5700D2Zဣཥዐ‫ၘୁۉڦ‬ဦ൧઄ă ဣཥփ‫ڍ‬ኧ‫߾ࡼࠀگ׼‬ፕLjཞ้ᄺ๟ᅃዖߛႠీ‫ڦ‬঴ਦ‫ݛ‬ ӄLj௬ओਸၨፌၭLj࣏‫ࢇޙ‬HARTࡀ‫ݔ‬ăᅙཚࡗग़ඹႠ֪ ๬ࢅᄓኤLjժጀ֩ྺHARTཚ႑एূࣷණኤ‫ڦ‬HART঴ਦ‫ݛ‬ ӄăኄᅃ‫ࠀׯ‬ጀ֩੗ඟ‫ۉ‬ୟยऺටᇵटഄ‫ݣ‬႐‫ں‬๑ᆩ‫ۉ‬ୟ ዐ‫ڦ‬ᇮॲă ጺܸჾኮLjᅜฉ໯ຎ‫ۉ‬ୟቛ๖କᅃዖ੗ీ‫ڦ‬঴ਦ‫ݛ‬ӄLj੗ ᅜᆌ‫࣍ܔ‬ୟࠃ‫ۉ‬዇ీՎໃഗยऺ௬ଣ‫ܠڦ‬ዘ཈቟Ljᅜ஢ፁ փ܏ሺ‫ڦ׊‬๨‫ׇ‬Ⴔ൱ăᅜฉጹຎକՎໃഗ႑ࡽ૾Ljժ༵ࠃ ADIࠅິ঴ਦ‫ݛ‬ӄLjኼሞ኱থᆌ‫ܔ‬ኄၵ཈቟Ljೝ࢚௅߲ፇ ॲ໯Ⴔ‫ݴࡼࠀڦ‬ದLjׂܸٗิጹࢇඇ௬‫ڦ‬႑ࡽ૾Lj஢ፁ၄ ‫ీࠀܠپ‬๨‫ׇ‬ଶံ႙዇ీՎໃഗยऺሞࠀࡼĂႠీĂ؅٫ ࢅኑ܏‫ݛ‬௬‫ڦ‬ᄲ൱ă Page 91 ‫ߌد‬ഗ ADuCM360 ՗1. ᄇ.๖‫ۉ‬ୟ‫ऺࡼࠀڦ‬໙ ‫ۉ‬ୟఇ੷ ዷ‫ߌد‬ഗ(ፆႠ‫ൃۉ‬Lj5V้5kΩ) ‫ޤ‬ዺ‫ߌد‬ഗ(RTDLj200 μAघ૤) ጺऺ ᅏ՗‫ٷݣ‬ഗ1(ሺᅮ=8) ᅏ՗‫ٷݣ‬ഗ2(ሺᅮ=16) 24࿋ADC 1LjԈઔ๼෇࣐؋ഗ 24࿋ADC 2LjԈઔ๼෇࣐؋ഗ एጚ‫ۉ‬უᇸĂRTDएጚ‫ୁۉ‬ᇸ uCాࢃĂFLASHĂSRAM(ాࢃ้ዓ=2 MHz) SPIĂUARTĂ้ۨഗĂੂோࠑĂഄ໱‫ۉ‬ୟ ้ዓ݀ิഗ ጺऺ 16࿋DAC VገIൻ‫ۯ‬ഗ एጚ‫ۉ‬უᇸ ‫ۉ‬ᇸ࠶૙Ă࿘უഗ SPIĂੂோࠑĂഄ໱‫ۉ‬ୟ ጺऺ ۙ዆ഗ/঴ۙഗ(ፌֶ൧઄Ă݀พ) ้ዓ݀ิഗ(‫ྔټ‬ևৗና) ጺऺ ӱฉഄ໱‫ۉ‬ୟĂ‫ۯ‬ༀ‫ୁۉ‬... ጺࢅ MS-2475 ‫ۉ‬ᇸ‫(ୁۉ‬mA) 0.660 0.200 0.860 0.130 0.130 0.140 0.140 0.135 0.790 0.085 0.170 1.720 0.050 0.060 0.050 0.055 0.010 0.225 0.124 0.033 0.157 0.138 3.100 AD5421 AD5700 ཮5. ኧ‫׼‬HART‫ڦ‬዇ీՎໃഗᄇ๖ဣཥ Page 92 MS-2475 ֖੊࿔၅ [1] HARTཚ႑एূࣷwww.hartcomm.org [2] CN-0267“‫ټ‬ᆶHARTথ੨‫ྜڦ‬ኝ4-20 mA ࣍ୟࠃ‫ۉ‬႙၄‫ׇ‬ᅏ՗”www.analog.com/cn/cn0267 [3] ADuCM360 www.analog.com/cn/aducm360 [4] AD5421 www.analog.com/cn/ad5421 [5] AD5700 www.analog.com/cn/ad5700 One Technology Way t P.O. 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TA11581sc-0-4/13 Page 93 www.analog.com/cn ©2013 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . ૧ᆩण‫ׯ‬๕߾ᄽথ੨ ຕጴ߰૗ഗ ३ณ؅٫ᇑ‫ׯ‬Ԩ ໜጣ৪ኛׂ೗ॏ߭‫ڦ‬ই‫ׂࢅگ‬೗ֶᅴࣅႴ൱‫ڦ‬ሺेLjሞ߾ ᄽ๨‫ׇ‬ฉิ٪ᄺՎ‫ڥ‬ሁઠሁड़వăཞ้LjҾඇՔጚփ९ᆶ ີࡹ‫੻ݣ‬Ljኄᄲ൱߸‫߾ڦܠ‬ᄽᆌᆩ֑ᆩ‫߰ୁۉ‬૗Ljߴ࠼᳘ ࢇഗ‫ټ‬ઠփ૧ᆖၚăኄၵփ૧ᆖၚࣷ‫ڞ‬ዂᅜူኄၵᅺ໎‫ڦ‬ ሺेǖ؅٫ĂࠀࡼĂ‫ۉ‬ୟӱĂᇮॲຕࢅ‫ׯ‬Ԩă ยऺ߾‫ײ‬฾සࢆ඄࢚‫ੇڸ‬ᆶ࡞ஞ؋ࢅષᆥĂยऺްሗႠᅜ त‫ׯ‬Ԩ‫ࢻڪ‬၎؋཭‫ڦ‬ᄲ൱Ljཞ้৑੗ీे੺ฉ๨ᅜԍ‫׼‬৪ ኛ૰Ǜ౞੗ᅜൟᅟॽᅃፇ࠼᳘ࢇഗࠦۨ‫ڟ‬၄ᆶথ๭ഗฉLj ‫ڍ‬ኄ஺ፔᅪ࿆ጣሺे‫ׯ‬ԨĂยऺްሗႠĂᇮॲຕࢅ‫ۉ‬ୟӱ ੣क़ă໇໭“߰૗๕RS-485”Ă“߰૗๕RS-232”Ă“߰૗๕ CAN”Ă“߰૗๕I2C”ई“߰૗๕USB”৽ీቴ‫ڟ‬ᅃ‫ܑٷ‬एᇀຕ ጴ߰૗रຍ‫ྜڦ‬ඇण‫ׯ‬๕঴ਦ‫ݛ‬ӄ——ሞ‫ހ߲ڇ‬ጎాํ၄ ߰૗ժण‫ׯ‬๭݀ഗăᆶၵฯ዁ሞ‫ހ‬ጎాण‫߰ׯ‬૗๕‫ۉ‬ᇸLj ৊ᅃօই‫گ‬ဣཥ؅٫ࢅ‫ׯ‬Ԩăኻᆶຕጴ߰૗ഗ֍ీํ၄ස ُྜኝੵ‫ڦ܈‬঴ਦ‫ݛ‬ӄLjኄᅪ࿆ጣ໲்‫ࡼࠀڦ‬փࣷࡗ‫ٷ‬Lj ᅺُ࿮Ⴔዘႎยऺ৽ీࠕ๢ᆌణമ‫ڦ‬ रຍ࿔ቤ MS-2352 ࠀࡼᇨ໙ă඗ܸႴጀᅪLj‫ܔ‬ᇀएԨ߰૗ࢅ/ईሺഽ߰૗Ljժ ‫ݥ‬໯ᆶଚ‫߰“ڦ؜‬૗๕”঴ਦ‫ݛ‬ӄ‫ీۼ‬஢ፁჹ߭‫ڦ‬ULĂCSA ࢅVDEᄲ൱ă ኄၵྜඇण‫ׯ‬๕঴ਦ‫ݛ‬ӄ‫ڦ‬ยऺ฾ॽԥ֑ࠔঢ়૙๫ྺᆈ ႧăԹ৩Lj֑ࠔঢ়૙ࣷຫǖ“৽ᆩ࿢்ኮമச‫۫ڦ‬ဇă࿢ փሞࢭ໲๟փ๟ࣷሺे‫ׯ‬Ԩă” ཮1၂๖߰૗I2Cጺ၍‫ڦ‬փཞ‫݆ݛ‬ă཮1A၂๖๑ᆩᅃ߲I2C࣐ ؋ഗࢅ຺߲࠼᳘ࢇഗ‫ํڦ‬၄‫݆ݛ‬ă཮1B၂๖๑ᆩ‫ೌڇ‬IC‫ڦ‬ ํ၄‫݆ݛ‬ă཮2၂๖କ߰૗RS-485‫ڦ‬ૌຼํ૩Lj‫ೌڇ‬IC‫ݛ‬ ݆௽၂‫ࠔ֑ࢇޙ‬ঢ়૙‫ڦ‬ᅪᇼǖᅃ߲ഗॲԲଇ߲Սᅓă६ᇀ ೊ‫ޗ‬ᆶ၌Lj࿢்փᆩஆଚ֑ᆩ‫ݴ‬૬๕ᇮॲ߰૗USBࢅ๑ᆩ ‫߰ೌڇ‬૗๕USB IC‫ڦ‬၂ዸ൶՚ƽ ཮1. I2C࣐؋ഗࢅ4߲࠼᳘ࢇഗᇑ‫ೌڇ‬IC)ጀᅪǖྺ०௽ഐ९Lj཮ዐ୼ඁକฉઙ‫ۉ‬ፆ* Page 94 MS-2352 ཮2. RS-485๭݀ഗࢅ3߲࠼᳘ࢇഗᇑ‫ೌڇ‬IC One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA10890sc-0-10/12 Page 95 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . ૧ᆩຕጴ߰૗ഗ०ࣅยऺժ ඓԍဣཥ੗੍Ⴀ ాඹ༵ᄲ ߾ᄽ࣍ৣዐ๑ᆩ‫֪ڦ‬ଉഗॲྫྫႴᄲ৊ႜ߰૗ᅜඓԍ ᆩࢽࢅဣཥҾඇLjཞ้ᄺ๟ྺକԍኤሞߛࠌఇ‫ۉ‬უူ इ‫ڥ‬ጚඓ‫֪ڦ‬ଉ঳ࡕăຕጴ߰૗ഗྺ࠼᳘ࢇഗᅃૌ‫ڦ‬ ড઻रຍ༵ࠃକᅃዖ੗੍Ăᅟᆩ‫ݛپ༺ڦ‬ӄă૧ᆩຕ ጴ߰૗ഗLj߾‫ײ‬฾்੗ᅜᆫࣅ߰૗ဣཥยऺLjᅜই‫گ‬ ࠀࡼĂԍኤဣཥႠీLjཞ้࿮Ⴔ঺ዺ‫ڦྔܮ‬ยऺᇧଉ ઠց‫׋‬ඍ฿ईփྜኝ‫ڦ‬ഗॲࡀ߭ă रຍ࿔ቤ MS-2340 ०঻ ยऺ߰૗֪ଉᅏഗ೤ਏ཈቟ႠLjᆶ้ฯ዁ࣷସටਊෟփ ᅙă߰૗മ‫܋‬੗ᅜԍࢺᆩࢽ௨๴֪ଉဣཥዐ੗ీ٪ሞ‫ڦ‬ ዂం‫ۉ‬უ‫ڦ‬ฅ࡞Ljཞ้ሎႹ߾‫ײ‬฾ሞߛࠌఇ‫ۉ‬უူ৊ႜ ৛ඓ‫֪ڦ‬ଉă཮1໯๖ྺُૌ֪ଉ‫ڦ‬ᅃ߲‫ۆ‬႙๖૩ăሞ ߛუ඘ଙ‫׾ۉ‬ई‫׾ۉ‬ፇዐLjକ঴‫ۉڦ׾ۉ߲ڇ‬უᆶዺᇀ ඓԍဣཥ‫ڦ‬ҾඇሏႜLjཞ้੗ᅜፌ‫ٷ‬၌‫ں܈‬ჽ‫׾ۉ׊‬๱ ంăሞඓۨ‫ۉڦ׾ۉ߲ڇ‬უ้Lj࿢்ՂႷሞߛ‫ٳ‬ຕӥ‫ޚ‬ ༬‫ࠌڦ‬ఇ‫ۉ‬უူ৊ႜ֪ଉăሞᆩඤ‫ۉ‬౾֪ଉሜୁ‫ڦ༹ڞ‬ ࿒‫้܈‬Ljࣷ‫؜‬၄ૌຼ‫ڦ‬൧઄ăሞԨ૩ዐLjဣཥՂႷਏԢ ֪ଉࡹ‫ޚ‬प႑ࡽ‫ݴ‬Ր୲‫ీڦ‬૰Ljཞ้ᅞ዆ߛ‫ۉ‬ೝ‫ڦ‬60 Hz ࠌఇሯำLjժԍࢺ֡ፕᇵփ๴ඪࢆླ၃‫ۉ‬უ‫ڦ‬ฅ࡞ă ፌ‫؛‬ට்ᆩ߰૗‫ٷݣ‬ഗઠ঴ਦኄ߲࿚༶Lj‫ڍ‬ໜጣ֪ଉ‫ټ‬ ੻ࢅ‫ݴ‬Ր୲‫ڦ‬ሺ‫׊‬Ljኄዖ঴ਦ‫ݛ‬ӄᅙঢ়ࡗ้ă၄ሞLjኴ ႜُૌ֪ଉ‫ڦ‬ፌ৛ඓĂፌঢ়षĂፌߛၳरຍ๟߰૗ኝ߲ ֪ଉമ‫)܋‬Ԉઔఇຕገ࣑ഗ(ADC)*Ljժ‫ܔ‬ဣཥഄᇆև‫ݴ‬ ํแ߰૗‫ز‬ႜ૾ୟLjස཮1໯๖ă޿૾ୟ੗ᅜ๟ᅃ߲ਆ ևጺ၍)සSPI*Ljᄺ੗ᅜ๟߾ᄽၹᅱ)සRS-485*Ljᆩᅜॽ ֪ଉຕ਍‫׊‬ਐ૗‫د‬๼዁੦዆ഗ‫ڇ‬ᇮă ཮1. ᆩ߰૗മ‫֪܋‬ଉߛუ‫׾ۉ‬ፇዐ‫ۉڦ׾ۉ߲ڇ‬უ Page 96 MS-2340 ੗੍Ⴀยऺ ኱‫ٷڟ‬ሀ10౎മLj࠼᳘ࢇഗධ඗๟߰૗ຕጴ႑ࡽ‫ڦ‬ณຕ ੗ႜ঴ਦ‫ݛ‬ӄኮᅃă඗ܸLjසࡕ࿚ᅃ࿚փ‫ڥ‬փᆩ࠼᳘ࢇ ഗ৊ႜยऺ‫ײ߾ڦ‬฾Lj౞৽ࣷକ঴‫ڟ‬Ljᆩ࠼᳘ࢇഗਸ݀ ߛၳĂ੗੍‫ڦ‬ဣཥ๟‫ܠ‬஺‫ڦ‬ઓవLjᆮഄ๟Ⴔᄲॽ‫ׯ‬Ԩই ዁ፌ‫้گ‬ă࠼᳘ࢇഗ๑ᆩLEDઠׂิੵሁ߰૗ቆ‫࠼ڦ‬Lj ᅜথཚࢅ࠲Կ࠼‫ۉ‬ৗ༹࠶ăሞᆩ࠼᳘ࢇഗ৊ႜยऺ้Lj ՂႷԍኤLEDీׂิፁࠕ‫࠼ڦ‬ઠথཚথ๭࠼‫ۉ‬ৗ༹࠶Lj ཞ้Lj๼‫؜‬ฉืࢅူই้क़ᄺᄲፁࠕ੺Ljᅜኧ‫׼‬ణՔೕ ୲ူ‫֡ڦ‬ፕă࠼᳘ࢇഗፌዘᄲ‫ڦ‬ᅃ߲ࡀ߭๟‫دୁۉ‬๼Բ (CTR)ăCTR๟࠼‫ۉ‬ৗ༹࠶ฉ‫؜‬၄‫ڦ‬ण‫ۉ‬ट‫ୁۉ‬ᇑཚࡗ LED‫ڦୁۉڦ‬Բኵă ࠼᳘ࢇഗCTRփ‫ڍ‬ᆛᆶट੻‫ڦ‬ඹֶLjܸ൐Ⴀీࣷໜጣ้ क़ࢅ࿒‫ူܸ܈‬ইăྺକඓԍ࠼᳘ࢇഗీሞߛ࿒ူ๑ᆩຕ ౎ኮࢫीჄ߾ፕLj߾‫ײ‬฾ՂႷ्ยፌֶ൧઄ူ‫ڦ‬CTRLj ኄԨว৽टਏ཈቟ႠLjᅺྺ࠼᳘ࢇഗຕ਍๮֩ኻଚ‫؜‬କ ๪࿒ူ‫ڦ‬CTRࡀ߭ă૩සLj‫ۆ‬႙࠼᳘ࢇഗ‫߭ࡀڦ‬՗ଚ‫؜‬ କ25°Cူ50%–600%‫ڦ‬ԍኤCTRăଷྔLj‫ܠٷ‬ຕຕ਍๮ ֩‫ۼ‬Ԉࡤ‫ۆ‬႙཮՗Lj၂๖80°C้‫ڦ‬CTRৈྺ20°C้‫ڦ‬ CTR‫ٷڦ‬ሀ50%ă๚ํฉLjுᆶຕ਍๮֩ࣷଚ‫؜‬85°C้ ‫ڦ‬ፌၭCRTLjᅺُLj౞ՂႷ‫޿ܔ‬ኵፔ‫्؜‬ยăଷྔLjᆶ ၵჺ৯‫ܔ‬CTRໜ้क़݀ิ‫ူڦ‬ই৊ႜକఇెLj‫߭ࡀ޿ڍ‬ ཞᄣ࿄ଚᇀຕ਍๮֩ዐLjᅺُLj౞ՂႷਦۨሺे‫ܠ‬ณ‫ܮ‬ ྔ‫ڦ‬ยऺᇧଉLjᅜԍኤፌዕׂ೗ీሞᇨ೺๱ం‫ాྷݔ‬੗ ੍‫ں‬ሏႜăยऺᅃ߲୛Ԁ‫߰ڦ‬૗ഗ‫ۉ‬ୟᅪ࿆ጣLj౞ՂႷ ፔ‫؜‬Ⴙ‫ײ߾ܠ‬ยऺ्ยLjႴᄲሞሺे‫ࢅࡼࠀڦ‬ই‫߾ڦگ‬ ፕ໏‫܈‬ኮक़ൽปLjା‫؜‬ፁࠕ‫ڦ‬ᇧଉᅜՍׂ೗ሞኝ߲๱ం ೺क़੗੍ሏႜă ຕጴ߰૗ഗ๑ᆩ‫࠼ݥ‬ბ‫ݛ‬๕ઠ࢙ੵ߰૗ቆ݀ໃຕ਍ă૩ සLjADIࠅິ‫߰ڦ‬૗ഗ֑ᆩྲՎუഗरຍઠ࢙ੵ߰૗ቆ ݀ໃஞ؋Ljփ٪ሞᇑ࠼᳘ࢇഗ၎࠲૴‫้ڦ‬क़ࢅ࿒‫ူ܈‬ই ၳᆌăኄᄣLj੗ᅜኍ‫ܔ‬ഗॲ‫ڦ‬ኝ߲߾ፕ࿒‫݀ྷݔ܈‬քԍ ኤፌ‫ࢅگ‬ፌ‫ࡼࠀٷ‬Ă‫د‬խჽ‫ࢅ׿‬ஞ؋฿ኈࡀ߭ăᆶକྜ ኝ‫߭ࡀڦ‬Lj৽փႴᄲሞ౞‫߾ڦ‬ፕཉॲူ‫࠼ܔ‬᳘ࢇഗ৊ႜ ࠽‫ڦݘ‬༬Ⴀ֪๬Lj੗ᅜ኱থ๑ᆩຕ਍๮֩ዐ‫ڦ‬ຕ਍ઠऺ ໙ፌֶ൧઄ူ‫ڦ‬ဣཥႠీă౞ኻᆩੂੂຕጴ߰૗ഗ‫ڦ‬ԍ ኤ‫د‬խჽ‫׿‬ĂೋၽࢅࠀࡼLjन੗૧ᆩኄၵຕ਍ઠऺ໙‫ۥ‬ ֫ဣཥ้Ⴞࡀ߭Lj৽ၟඪࢆՔጚຕጴण‫ۉׯ‬ୟᅃᄣăᄺ ੗๑ᆩഄ໱‫࠼ݥ‬ბरຍLj૩සඹႠĂพೕ(RF)ࢅ਎‫ى‬ፆ (GMR)᳘ࢇă ՗1.ADIࠅິADuM140xဣଚຕጴ߰૗ഗ‫࠶॔ڦ‬ऐࠓණኤă UL CSA 1577ഗॲ ණ੗‫ײ‬Ⴞණ੗ CSAᇮॲᄓ๭ཚኪ#5A಼ጚ VDE DIN V VDE V 0884-10 (VDE V 0884-10):2006-12ණኤ ມዘ/ेഽਨᇹLj 2500 Vrms ߰૗‫ۉ‬უ एԨਨᇹ‫ࢇޙ‬CSA 60950-1-03ࢅIEC 60950-1 ՔጚLj800 V rms(1131 V‫ރ‬ኵ)ፌ‫߾ٷ‬ፕ‫े ۉ‬ഽਨᇹLj560 V‫ރ‬ኵ უǗेഽਨᇹ‫ࢇޙ‬CSA 60950-1-03ࢅIEC 60950-1ՔጚLj400 V rms(566 V‫ރ‬ኵ)ፌ‫ٷ‬ ߾ፕ‫ۉ‬უ TÜV ཚࡗIEC 61010-1:2001)‫ڼ‬2Ӳ*Ă EN 61010-1:2001)‫ڼ‬2Ӳ*Ă UL 61010-1:2004ࢅ CSA C22.2.61010.1:2005Քጚණኤ ेഽਨᇹLj400 V rms ፌ‫߾ٷ‬ፕ‫ۉ‬უ Page 97 ᆯᇀ‫ى‬Ⴀຕጴ߰૗ഗ‫ٷ‬և‫୲ࠀݴ‬ၩࡼᇀٗᅃ߲ጒༀൎ࣑ ዁ଷᅃጒༀ้Ljࠤࠀࡼᇑ߾ፕೕ୲‫װ‬Բ૩࠲ဣăᅺُLj ‫ت‬ᇀ੣ှጒༀईኁਸ࠲໏‫܈‬ट‫ڦگ‬ཚ‫׉ݥࡼࠀڢ‬ၭăᅃ ‫ڋ‬ᅙඓۨᆌᆩ‫ڦ‬ፌ‫زٷ‬ႜ้ዓ໏୲Ljन੗ยऺ‫ۉ‬ᇸઠ༵ ࠃኧ‫޿׼‬໏୲‫ڦ‬؊ፁ‫ୁۉ‬ăሞ૧ᆩ࠼᳘ࢇഗ৊ႜยऺ ้LjՂႷඓԍLED‫ت‬ᇀ࠲Կጒༀ้‫ۉ‬ୟ๔ዕ‫ت‬ᇀ੣ှጒ ༀLjᅜॽࠀࡼই዁ፌ‫گ‬ă ࠼᳘ࢇഗरຍ৊෇๨‫ׇ‬ᅙ‫ࡗג‬30౎Ǘᅃၵ߾‫ײ‬฾‫ܔ‬ገၠ ႎ‫߰ڦ‬૗ഗरຍԍ‫׼‬৉ัă‫ܠٷ‬ຕ዆ሰฆ‫ۼ‬ᄲॽׂ೗༵ ঍॔࠶ऐࠓ಼ጚLjժൣ‫ؤ‬ቛ๖ഄ߰૗ഗཚࡗକనၵՔ ጚăዮසADIࠅິຕጴ߰૗ഗ‫ڦ‬ഗॲ਩ᅜ਋ḅჱӃྺਨ ᇹ༹Ljኄዖ֌ଙᄺᆩᇀႹ‫࠼ܠ‬᳘ࢇഗኮዐăሞగၵ൧઄ ူLj໲்๟Ӏቷᇑ࠼᳘ࢇഗ၎ཞ‫ڦ‬ҾඇՔጚ৊ႜ֪๬Lj ܸሞഄ໱൧઄ူ)සVDE V 0884-10*Ljሶጆோኍ‫ܔ‬ຕጴ߰ ૗ഗ዆ۨକਏ༹Քጚă૩සLj՗1ቛ๖କADuM140xဣ ଚ߰૗ഗ‫ڦ‬ऐࠓණኤă ഄ໱࿚༶ภतຕጴ߰૗ഗ‫׶‬๴ࡗუષᆥ‫ీڦ‬૰Ljᅜत໲ ்‫ࠌܔ‬ఇ‫ۉ‬უࢅ‫߅ׇى‬ඡႚ๕‫ڦ‬ຨՎ‫߅ੇڦ‬ඡీ૰ă႞ ሏ‫ڦ‬๟Lj঺ዺ਋ḅჱӃਨᇹ֌ଙLjADIࠅິ‫ڦ‬ຕጴ߰૗ ഗ੗ᅜ‫׶‬๴ፌߛ6 kV‫ڦ‬ષᆥ‫ٳ‬10௱ăᆯᇀ߰૗ቆฉኻᆶ ट‫ڦگ‬सิ‫ۉ‬ඹLjᅺُLj‫ى‬Ⴀ߰૗ഗ၎‫ܔ‬ᇀഄ໱रຍ࣏ ਏᆶटॅ‫ࠌڦ‬ఇຨՎੇඡ‫(܈‬CMTI)ă૩සLj‫ۆ‬႙ߛ໏ ࠼᳘ࢇഗ‫ڦ‬CMTIࡀ߭ྺ1዁10 kV/μsLjܸ‫ى‬Ⴀຕጴ߰૗ ഗ੗ᅞ዆35 kV/μsᅜฉ‫ࠌڦ‬ఇຨՎă ቉ᅃੂLj‫߅ׇىܔ‬ඡ‫څڦ‬႐ຼࢭ‫ࢇ׉ݥ‬૙Ljᅺྺ֑ᆩྲ Վუഗ‫߰ڦ‬૗ഗ૧ᆩ‫ׇى‬ઠ࢙ੵ߰૗ቆ݀พஞ؋ăᆶට ੗ీණྺLjፁࠕഽ‫ׇىڦ‬੗ీࣷ߅ඡஞ؋Ljܸٗ‫ڞ‬ዂ๼ ‫ٱ؜‬ဃă඗ܸLjᆯᇀՎუഗतഄ੣ႊ‫ڦ‬ӷ০‫׉ݥ‬ၭLjᅺ ُኻᆶ‫ׇىڦٷ׉ݥ‬ईटߛ‫ڦ‬ೕ୲֍ీׂิࠤቱă཮2 ໯๖‫ڦ‬ፌ‫ٷ‬ඹႹ‫ࢅୁۉ‬ೕ୲ධ੗ᅜԍኤAD344x߰૗ഗ ‫ڦ‬๼‫؜‬࿮ࠤቱă૩සLjኻᆶ‫ࡗג‬500 A(1 MHzLjਐ૗ഗॲ 5 mm*‫֍ୁۉڦ‬੗ీ‫ࠤ݀ة‬ቱ๼‫؜‬ă૙ஃฉLjׂิ‫ٱ‬ဃ ๼‫؜‬໯Ⴔᄲ‫ࢅ܈ޗڦ‬ೕ୲ፇࢇᇺᇺ‫ࡗג‬କਨ‫ܠٷ‬ຕᆌᆩ ‫ྷݔڦ‬ă ߛ໏ሏႜ ‫߰ړ‬૗֪ଉဣཥ๑ᆩߛ֑ᄣ໏୲้Ljᆩ࠼᳘ࢇഗ߰૗‫ز‬ MS-2340 ཮2.ADuM344x੗ԍኤ࿮‫ٱ‬ሏႜ‫ڦ‬ፌ‫ٷ‬ඹႹ‫ࢅୁۉ‬ೕ୲ ႜጺ၍੗ీ๟Բডઓవ‫ڦ‬ඪခăথ๭ഗ࠼‫ܾۉ‬ट࠶‫ڦ‬स ิ‫ۉ‬ඹ၌዆କ࠼᳘ࢇഗ‫د‬๼ຕጴ႑ࡽ‫ڦ‬໏‫܈‬ă౞੗ᅜཚ ࡗሺेઠጲLED‫࠼ڦ‬ଉઠ༵ߛ޿सิ‫ۉ‬ඹ‫ڦ‬؊‫ۉ‬໏‫܈‬Lj ‫ڍ‬ኄᄣፔࣷሺेࠀࡼăଷྔLj࢔ณᆶ࠼᳘ࢇഗሞ௅߲‫ހ‬ ጎాኻᄂཞᅃ‫ݛ‬ၠ༵ࠃଇ߲ᅜฉ‫ڦ‬ཚ‫ڢ‬Ljܸ൐ཚ‫׉‬փԈ ઔᇑཚ‫ڢ‬क़೅ದ၎࠲‫้ڦ‬Ⴞࡀ߭ă໚඗्ۨཞᅃ‫ހ‬ጎዐ ‫࠼ڦ‬᳘ࢇഗኮक़ਏᆶଆࡻ೅ದࢇࢭஇडLj‫ڍ‬ඍณᆇ዆‫ڦ‬ ࡀ߭ᅪ࿆ጣ౞ՂႷፔ‫ײ߾؜‬ยऺ्ยăᇑᅈડ‫ݥ‬ᆇ዆ࡀ ߭‫ڦ‬൧઄၎ཞLj‫ܠٷ‬ຕ৉ั‫ײ߾ڦ‬฾ࣷ჋ስା‫؜‬؊ፁ‫ڦ‬ ยऺᇧଉLj߾ፕႠీᇺᇺ‫گ‬ᇀ֑ᆩ‫࠼߲ڇ‬᳘ࢇഗ้ຕ਍ ๮֩ኸ๖‫ڦ‬Ⴀీă ๑ᆩຕጴ߰૗ഗ‫ڦ‬ଷᅃᆫ๞๟Ljׂ೗੗֑ᆩ4ཚ‫ڢ‬ഗॲ ႚ๕Ljԍኤ໏‫܈‬ፌߛ੗‫ٳ‬150 MbpsăଷྔLj໯ᆶຕጴ߰ ૗ഗ዆ሰฆ‫ۼ‬ሞຕ਍๮֩‫้ڦ‬Ⴞև‫ࠃ༵ݴ‬କԍኤཚ‫ڢ‬क़ ೅ದࡀ߭ă૩සLjADIࠅິ‫ڦ‬ADuM344x߰૗ഗሞኝ߲ ߾ፕ࿒‫ڦాྷݔ܈‬ԍኤཚ‫ڢ‬क़‫د‬խჽ‫׿‬฿ದၭᇀ2 nsă ํा๑ᆩዐLjኄᅪ࿆ጣ੗ᅜሞຕ਍๮֩ଚ‫ڦ؜‬໏‫ူ܈‬๑ ᆩຕጴ߰૗ഗLjܸ࿮Ⴔኍ‫ܔ‬ড‫ٷ‬ई࿄ኪ‫ڦ‬ഗॲक़ईཚ‫ڢ‬ क़ೋၽઠူۙဣཥႠీă Page 98 MS-2340 ཮3.੗ᅜᆩ‫߲ڇ‬ADM2682Eํ၄ඇມ߾Ă߰૗๕RS-485থ੨ ण‫ׯ‬ ᆯᇀຕጴ߰૗ഗरຍग़ඹՔጚCMOS߾ᅝLjᅺُLjण‫ׯ‬ ‫ీࠀڦྔܮ‬ᅜ०ࣅဣཥยऺ၎‫ܔ‬ডඹᅟă૩සLj‫د‬ཥ‫ڦ‬ ඤ‫ۉ‬౾֪ଉഗॲ੗ీᆩ‫࠼߲ܠ‬᳘ࢇഗઠํ၄‫گ‬໏SPIথ ੨Ljժᆩਏᆶൻ‫ۯ‬ഗࢅۙবഗ‫߰ڦ‬૗Վუഗઠྺ߰૗മ ‫ۉࠃ܋‬ă૧ᆩण‫߰ׯ‬૗‫ۉ‬ᇸ‫ڦ‬ຕጴ߰૗ഗ)ස ADuM5401*Ljኝ߲߰૗ဣཥ‫຺߲ټྺׯ‬ຕ਍ཚ‫߰ࢅڢ‬ ૗‫ۉ‬ᇸ‫߲ڇڦ‬ण‫ۉׯ‬ୟăᇑ๑ᆩ‫ݴ‬૬߰૗ഗࢅ߰૗‫ۉ‬ᇸ ၎ԲLjኄዖ‫ݛ‬๕༵ߛକ੗੍ႠLjবูକ‫ٷ‬ଉ‫ۉ‬ୟӱ੣ क़Ljই‫گ‬କ‫ׯ‬Ԩă Ⴙ‫ܠ‬ᅏഗాዃ߰૗๕RS-485‫܋‬੨Ljᆩᇀᇺ‫॔ײ‬੦ई੦ ዆ăब౎മLjํ၄ኄᄣ‫߰ڦ‬૗‫܋‬੨փ‫ڍ‬Ⴔᄲྺຕ਍၍ୟ ದዃ߰૗ഗLjܸ൐Ⴔᄲग़ඹRS-485ֶ‫ݴ‬႑ࡽࢅ‫ۉ‬ᇸ‫ڦ‬๭ ݀ഗă཮3၂๖କၟADM2682Eኄᄣ‫߲ڇڦ‬ICසࢆॽ໯ ᆶࠀీण‫ހ߲ڇڟׯ‬ጎኮዐă ጺ঳ ࡗඁLjยऺ߰૗๕֪ଉยԢ๟ᅃዖӆࡍĂઓవĂᆶ้ฯ ዁ସටਊෟ‫ڦ‬ඪခLjᅺྺ࠼᳘ࢇഗ٪ሞዮ‫ڦܠ‬रຍ࿚ ༶ăሞࡗඁब౎ዐLjຕጴ߰૗रຍ‫ڦ‬৊օ‫ٷٷ‬०ࣅକኄ ᅃඪခăຕጴ߰૗रຍਏᆶ‫ׯ‬Ԩ‫گ‬ĂႠీߛĂᅟᆩĂण ‫ڦߛ܈ׯ‬༬‫ۅ‬Ljᆶዺᇀ߾‫ײ‬฾Ӏ้ྜ‫ׯ‬ਸ݀৊‫܈‬ăଷ ྔLj॔࠶ऐࠓණኤᅜत‫׶‬๴ߛ߅ඡ຤ೝ‫ీڦ‬૰๑ഄ‫׉ݥ‬ ๢ࢇ߾ᄽ֪ଉဣཥዐ‫׉‬९‫׊ڦ‬๱ంׂ೗ă Page 99 ᆶ ࠲ ADIຕ ጴ ߰ ૗ ഗ ဣ ଚ ‫ ܠ ߸ ڦ‬႑ တ Lj ൩ ‫ ݡ‬࿚ www.analog.com/cn/icoupleră MS-2340 One Technology Way t P.O. 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T10808sc-0-6/12 Page 100 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2317 ᆩ‫گ‬ሯำᅏ՗‫ٷݣ‬ഗยऺߛႠీ ဣཥ ፕኁǖGustavo CastroࢅScott HuntLjADIࠅິण‫ٷݣׯ‬ ഗׂ೗ևᆌᆩ߾‫ײ‬฾ ๊஺๟‫گ‬ሯำᅏ՗‫ٷݣ‬ഗ? ‫گ‬ሯำᅏ՗‫ٷݣ‬ഗ๟ᅃዖ‫׉ݥ‬ଳ௺‫ڦ‬ഗॲLj໲ీࠕሞᙼሗ ‫ৣ࣍ڦ‬ዐई‫؜‬၄ডߛփߌ႗඀‫ۉ‬უ‫ڦ‬ཉॲူ‫ྲ׉ݥܔ‬ෑ‫ڦ‬ ႑ࡽ৊ႜ֪ଉă‫ٷݣ‬ഗཚࡗᅞ዆ଇ߲๼෇‫ࠌڦ܋‬ఇ‫ۉ‬უࢅ ‫ٷݣ‬๼෇႑ࡽ‫ֶڦ‬ኵઠ֪ଉ႑ࡽă‫گ‬ሯำᅏ՗‫ٷݣ‬ഗ੻‫ټ‬ ሯำट‫گ‬൐1/fሯำገችೕ୲‫گ‬LjᅺُLjీ஢ፁ‫ܠٷ‬ຕ৛ඓ ᆌᆩ‫ڦ‬Ⴔᄲă నዖဣཥႴᄲ‫گ‬ሯำᅏ՗‫ٷݣ‬ഗ? ཚ‫׉‬Lj‫گ‬ሯำᅏ՗‫ٷݣ‬ഗᆩሞႴᄲ৛௢‫ࢅీࠀٷݣ‬Ⴔᄲ‫ߌد‬ ഗ႑ࡽۙ૙‫ڦ‬ဣཥዐăُૌဣཥิ‫ڦׯ‬႑ࡽ໿ෑLj࿮݆኱ থྺຕ਍ገ࣑ഗ໯ᆩăᅃၵ‫ߌد‬ഗิ‫ڦׯ‬቏‫ټ‬႑ࡽ‫ڦ‬ഽ‫܈‬ ੗ీ‫ྲ׉ݥ‬ෑLjܸᆶၵ‫ߌد‬ഗ੗ሞড੻‫߳ิׂాྷݔ੻ټ‬ ዖೕ୲‫้ڦ‬Վ႑ࡽLjሞኄଇዖ൧઄ူLj‫ۼ‬Ⴔᄲॽኄၵ႑ࡽ ‫ٷݣ‬዁ߛᇀဣཥ‫ڦ‬ሯ‫ڹ‬ăሞߛࠌఇ‫ۉ‬უ(ཚ‫ྺ׉‬঍ୁ‫ۉ‬૰၍ ೕ୲)ཉॲူLjဣཥՂႷሞሯำ࣍ৣူԍ‫׼‬ഄᆌᆶ‫ڦ‬Ⴀీă ๊஺ᆌᆩႴᄲᆩ‫ڟ‬ኄዖ‫ٷݣ‬ഗǛ ‫گ‬ሯำᅏ՗‫ٷݣ‬ഗ੗ᆌ‫ৃړܔ‬గၵፌჹਮ‫ڦ‬཈቟ăኄၵ཈ ቟ᄲ൱႑ࡽ॔੦Ăຕ਍‫ݴ‬ဆࢅ࿿૙֪ଉ߾ਏਏԢ৛௢‫ٷݣ‬ ࠀీă໲்‫ڦ‬ᆌᆩ‫ࢇׇ‬සူǖ x ֑ઁࢅీᇸਸ֑໯Ⴔ‫ڦ‬ຕ਍ऻ୤ဣཥ x ᆩᇀၯኟ႐ୱ฿‫ڦ׉‬႐ሤ‫࠶ڞ‬ၩබຍ໯Ⴔ‫ڦ‬๮ຍഗႁ x ᆩᇀ༵ߛऐႁࢅ‫כ‬ଈҾඇႠ‫ڦ‬ఇༀና‫ݴۯ‬ဆ߾ਏ ഄ໲ᆌᆩԈઔ஛ਖ਼‫ޅ‬മዃ‫ٷݣ‬ഗĂำհ࣑ీഗĂუ‫ߌدۉ‬ ഗۙ૙Ăეუ֪॔ᅏĂసୀኑ܏ᅏ(EEG)Ă႐ሤ॔ࢺᅏ (ECG)Ă‫ߌدى‬ഗۙ૙ࢅࠀ୲֪॔ᅏă සࢆඓۨᅏ՗‫ٷݣ‬ഗ‫ڦ‬ሯำࡀ߭Ǜ ၟሏ໙‫ٷݣ‬ഗᅃᄣLjᅏ՗‫ٷݣ‬ഗॽሯำࡀۨྺችࢇ‫ڟ‬๼෇ ‫܋‬ሯำ(RTI)ăᄺ৽๟ຫLj‫؜‬၄ሞ‫ٷݣ‬ഗ๼෇‫ऺࣷۼڦ܋‬ ෇ă‫ڍ‬ᇑሏ໙‫ٷݣ‬ഗփཞ‫ڦ‬๟Ljᅏ՗‫ٷݣ‬ഗ࣏ਏᆶ๼‫؜‬प ‫ڦ‬ሯำ(eno)LjՂႷᆩ޿ኵ‫أ‬ᅜሺᅮLjᅜइ‫ڥ‬RTIኵăችࢇ‫ڟ‬ ‫ٷݣ‬ഗ๼‫ڦ܋؜‬ሯำ(RTO)‫ڪ‬ᇀRTIሯำᇑ‫ٷݣ‬ഗ‫ڦ‬ሺᅮ‫ڦ‬ ‫ױ‬ओă සࢆऺ໙ጺሯำ௢‫܈‬Ǜ ᅏ՗‫ٷݣ‬ഗ‫ڦ‬ᅃ߲०‫ڦڇ‬ሯำఇ႙९཮1ăසႴइ‫ڥ‬ጺሯ ำLjՂႷᄲ੊୯‫ٷݣ‬ഗ๼෇‫ڦ܋‬ᇸ‫ۉ‬ፆăඪࢆᇑᅏ՗‫ٷݣ‬ ഗ၎૶‫ߌدڦ‬ഗ‫ۼ‬ᆶ๼‫ۉ؜‬ፆLj‫ۉ‬ፆኵ੗ీᅺ‫ߌد‬ഗ‫ڦ‬ૌ ႙փཞܸᆶড‫ֶٷ‬ᅴă‫ۉ૴ز‬ፆᆩᇀԍࢺᅏ՗‫ٷݣ‬ഗLjኄ ၵ‫ۉ‬ፆፆኵኮࢅࠓ‫ׯ‬କጺᇸ‫ۉ‬ፆ(ᅜRS՗๖)Lj९཮1ă޿‫ۉ‬ ፆኵ‫ܔ‬ሯำ‫ڦ‬ᆖၚᆶଇ‫ݛ‬௬ă࿮ஃ዆ፕ‫ܠ‬஺৛ଆ‫ۉڦ‬ፆ‫ۼ‬ ׂࣷิट‫ڦگ‬ඤሯำLj޿ሯำᇑፆኵ‫ڦ‬ೝ‫ׯߵݛ‬Բ૩ăُ ྔLj‫ୁۉ‬ሯำ(ini)ཚࡗRS੗ገࣅྺ‫ۉ‬უሯำăᅺُLjෙ߲ዷ ᄲሯำᇸྺǖᇑRS࿮࠲‫ۉڦ‬უሯำ(eniࢅeno)Ăᇸ‫ۉ‬ፆ‫ڦ‬ඤ ሯำ(ens)ࢅ‫ୁۉ‬ሯำ(ini)ă RS e ns eni eno VS ini ཮1. ०‫ڦڇ‬ᅏ՗‫ٷݣ‬ഗሯำఇ႙ Page 101 MS-2317 ॽኄၵሯำጹࢇഐઠLj੗ᅜइ‫ڥ‬ጺሯำ௢‫܈‬Ljऺ໙ࠅ๕ සူǖ Total RTI Noise (nV/¥Hz) = (e ns )2  (eni )2  (eno G)2  (i ni * R S )2 ᇡइ‫࠲ڥ‬ᇀ‫ٷݣ‬ഗ‫ۉ‬ୟሯำ‫ၘڦ‬ဦ‫ݴ‬ဆጨଙLj൩֖ለᆌᆩ ԴऻAN-940ă සࢆ჋ስፌ‫ࢇޙ‬ᆌᆩႴᄲ‫گڦ‬ሯำᅏ՗‫ٷݣ‬ഗǛ ๼෇‫ۉ‬უሯำຕኵ(nV/√Hz)ፌ‫ڦگ‬ᅏ՗‫ٷݣ‬ഗփᅃۨ๟ፌ ॅ‫گ‬ሯำᅏ՗‫ٷݣ‬ഗăሞ‫ܔ‬ሯำ௺ߌ‫ڦ‬ᆌᆩዐLjྺቴ‫ڟ‬ፌ ॅ‫ٷݣ‬ഗLjՂႷ੊୯ሺᅮĂᇸ‫ۉ‬ፆࢅೕ୲‫ྷݔ‬ă཮2၂๖ କADIࠅິෙ੼ᅏ՗‫ٷݣ‬ഗ‫ڦ‬ጺሯำLjᅜሞबࢭඇևᇸ‫ۉ‬ ፆཉॲူ༵ࠃፌॅሯำႠీă 1m 100μ G ≥100 ALL AMPS TOTAL NOISE DENSITY (V/√Hz) 00000-000 10μ 1μ 100n 10n RS NOISE 1n AD8429 AD8221 AD8220 0.1n 10 100 1k 10k 100k 1M 10M 100M 1G 10G SOURCE RESISTANCE (Ω) ཮2. ጺሯำᇑᇸፆੇ‫࠲ڦ‬ဣ > @ RH (k:) 16 Amplifier Current Noise pA / Hz 2 සࡕᇸ‫ۉ‬ፆ‫گ‬ᇀRLLjሶ‫ۉ‬უሯำྺዷᄲሯำLjኄ้Ljᆌ޿჋ ስ‫ۉ‬უሯำড‫ٷݣڦگ‬ഗăܸසࡕᇸ‫ۉ‬ፆߛᇀRHLjሶ‫ୁۉ‬ሯ ำྺዷᄲሯำLjኄ้Ljᆌ޿჋ስ‫ୁۉ‬ሯำড‫ٷݣڦگ‬ഗă ሞฉຎ๖૩ዐLj‫ړ‬RSኵሞ5 kΩ዁10 kΩኮक़้Ljኄၵ‫ٷݣ‬ഗ ‫ڦ‬ሯำႠీࣷ‫׉ݥ‬থৎLjฯ዁၎ཞăኄ้LjႴᄲ੊୯ᆫࣅ ဣཥ‫ڦ‬ഄ໲֖ຕ(සǖ‫੻ټ‬Ăࠀ୲Ă฿ኈĂ‫ׯ‬Ԩ)ă ࿢੗ᅜጲमࠓॺ‫گ‬ሯำᅏ՗‫ٷݣ‬ഗ஘Ǜ ੗ᅜጲमࠓॺ‫ݴ‬૬๕‫گ‬ሯำᅏ՗‫ٷݣ‬ഗLj‫ڍ‬ՂႷਖ਼‫ޜ‬గၵ ઓవă૩සǖՂႷԍኤߛࠌఇᅞ዆Ă‫گ‬೏ᅎĂߛ‫گࢅ੻ټ‬ ฿ኈăᄲሞ‫ݴ‬૬ยऺዐํ၄ኄၵ֖ຕ၎‫ړ‬ઓవLjՂႷᆩ‫ڟ‬ ‫ܠ‬ዖഗॲLjۙኝ‫ׯڦ‬Ԩ‫ߛ׉ݥ‬LjࠀࡼডߛLjܸ൐቞ᆩ‫ۉ‬ୟ ӱ‫ڦ‬௬ओᄺԲড‫ٷ‬ăADIࠅິ༵ࠃ‫گڦ‬ሯำᅏ՗‫ٷݣ‬ഗ੗ ᅜྺ߳ዖᆌᆩ༵ࠃ߸ࡻ‫ڦ‬঴ਦ‫ݛ‬ӄă ֖੊࿔၅ 1 ๫ೕǖ“ᅏ՗‫ٷݣ‬ഗ‫ۉ‬ୟ‫ڦ‬ሯำă” 2 MT-065ኸళLjᅏ՗‫ٷݣ‬ഗሯำ(ADI)ă 3 AN-940ᆌᆩԴऻLjፌॅሯำႠీǖ‫گ‬ሯำ‫ٷݣ‬ഗ჋ስ ኸళ(ADI)ă ጀᅪLj࿮ஃ჋ስనዖ‫ٷݣ‬ഗLj‫ړ‬RSኵড‫้گ‬Lj‫ۉ‬უሯำྺ ዷᄲሯำLjܸRSኵডߛ้Lj‫ୁۉ‬ሯำྺዷᄲሯำăሞߴۨ ᇸ‫ۉ‬ፆኵ‫ڦ‬൧઄ူLj੗ᅜ૧ᆩူ௬ࠅ๕ਦۨనዖሯำྺዷ ᄲሯำă > @ RL(k:) Total Amplifier Noise Voltage nV / Hz 2 16 One Technology Way t P.O. 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TA10718sc-0-4/12 Page 102 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2155 ሞ߰૗RS-485ব‫ۅ‬ዐ‫߰ߪݴ‬૗‫ۉ‬ ᇸ‫ڦ‬჋ስࢅ঴ਦ‫ݛ‬ӄ ፕኁǖColm RonanLjADIࠅິߛ໏႑ࡽۙ૙ևᆐၨࢅᆌ ᆩঢ়૙ ాඹ༵ᄲ ADIࠅິ‫ڦ‬ण‫ׯ‬RS-485߰૗๭݀ഗׂ೗ፇࢇ༵ࠃ‫؜‬෥‫ڦ‬ଳ ऄႠࢅႠీLjీࠕ஢ፁटਏ཈቟Ⴀ‫ڦ‬ဣཥยऺᄲ൱Ljᇑ࠼ ᳘ࢇഗ‫݆ݛ‬၎Բਏᆶ௽၂‫ڦ‬ᆫ๞ă ሞ RS-485ব‫ۅ‬ዐ߰૗႑ࡽࢅ‫ۉ‬ᇸLjྺํ၄ፌॅದ ዃLjኍ‫ܔ‬ၭ؅٫Ă‫ࡼࠀگ‬Ăຕ਍໏୲ĂEMIࢅ ࿿ଙ‫ׯ‬Ԩ‫ڪ‬ဣཥᄲ൱Lj‫ټ‬ઠยऺฉ‫ڦ‬཈቟ă࠼ ᳘ࢇഗ‫دڪ‬ཥ‫ݴڦ‬૬๕঴ਦ‫ݛ‬ӄ٪ሞ฿ၳ๱ం‫ݛ‬௬‫ڦ‬࿚ ༶Ljܸ൐࠼᳘ࢇഗरຍԨว‫ڦ‬࿿૙༬Ⴀਦۨକ௅ཚ‫߰ڢ‬૗ ‫ࡼࠀڦ‬ডߛLjᄽহ৽ኄၵ࿚༶ᅙᆶၘဦஃຎăُྔLj࠼᳘ ࢇഗरຍ‫ׯڦ‬Ԩࣷໜጣຕ਍໏୲༵ߛܸ‫ߛ༵܈ޗٷ‬Lj዆ሰ ްሗ‫܈‬ᄺࣷໜጣഗॲຕଉሺेܸ༵ߛă‫ݴ‬૬๕߰૗DC/DC ገ࣑ഗ‫ํڦ‬၄ႴᄲยऺටᇵਏԢՎუഗยऺኪ๎Ljీࠕॽ ߰૗DC/DCገ࣑ഗ‫ڦ‬ഄ໱‫ۉ‬ᇸഗॲᇑՎუഗ೅ದăยऺᅟ ๴ኄၵഗॲ၎࠲‫ڦ‬सิ‫ۉ‬ፆĂ‫ۉࢅߌۉ‬ඹᆖၚă႞ሏ‫ڦ‬ ๟Ljසৃᆶକႎ႙ߛण‫߰܈ׯ‬૗๕๭݀ഗ঴ਦ‫ݛ‬ӄLjీࠕ ঴ਦኄၵยऺ཈቟ă ࡗඁ೿౎ઠLjADIࠅິਸ݀‫؜‬କᅃဣଚ‫ظ‬ႎ‫ڦ‬ण‫ׯ‬๕߰૗ RS-485๭݀ഗLj໲்णADIࠅິଶံ‫ڦ‬RS-485থ੨रຍᇑ iCoupler®ຕጴ႑ࡽ߰૗रຍᇀᅃ༹Ljፌৎ࣏঳ࢇକADIࠅ ິ‫ڦ‬isoPower®߰૗๕DC/DCገ࣑ഗरຍăኄၵ߰૗๕๭݀ ഗׂ೗ยऺ੗ᆩᇀܱଝ࣍ৣူ‫ڦ‬ዚ‫ܠ‬ᆌᆩLj૩සǖ߾ᄽጲ ‫ࣅۯ‬Ă໿ᄞీࢅ‫ీޅ‬Ăᅏഗᅏ՗Ă‫ۉ‬૰၍॔੦‫ڪ‬ă๑ᆩ޿ ဣ ଚ ׂ ೗ ‫ ߾ ڦ‬ᄽ ཚ ႑ ၹ ᅱ Ԉ ઔ ProfibusĂ InterbusĂ ModbusĂBacNet‫ڪ‬ă ޿ဣଚण‫ׯ‬๕߰૗RS-485/422๭݀ഗߵ਍‫ۉ‬ᇸ૾‫ڦ‬ဣཥ‫ݴ‬ ߪLjᆮഄ๟߰૗ጺ၍֨‫ۉ‬უᇸLjྺยऺටᇵ༵ࠃፌॅ‫ڦ‬ण ‫ׯ‬঴ਦ‫ݛ‬ӄ჋ስă ኍ‫߰ܔ‬૗RS-485ব‫ۉڦۅ‬ᇸ૾‫ߪݴ‬LjADIࠅິ‫ٷ‬ዂ༵ࠃෙ ૌ঴ਦ‫ݛ‬ӄǖ x ྜඇण‫ڦׯ‬႑ࡽࢅ‫ۉ‬ᇸ߰૗RS-485/422঴ਦ‫ݛ‬ӄ x ण‫ׯ‬႑ࡽ߰૗ࢅण‫ׯ‬Վუഗൻ‫ۯ‬ഗ(և‫ۉݴ‬ᇸ૾ण‫)ׯ‬ x ኧ‫׼‬ଳऄ჋ስጺ၍֨‫ۉ‬უᇸ‫ڦ‬႑ࡽ߰૗๕RS-485/RS-422 ๭݀ഗ ཮1၂๖କADIࠅິADM2587E‫ڦ‬৆ٙದዃLj໲๟ᅃ੼ण‫ׯ‬ ๕႑ࡽࢅ‫ۉ‬ᇸ߰૗RS-485๭݀ഗăසُߛ‫ڦ‬ण‫܈ׯ‬ཚࡗ ADIࠅິ‫ڦ‬iCoupler®ࢅisoPower߰૗रຍํ၄Ljܾኁ‫ڦ‬঳ࢇ ๑ኄ੼ׂ೗ਏԢ‫؜‬෥‫ڦ‬ႠీLjԲ‫د‬ཥ঴ਦ‫ݛ‬ӄ߸ᅟ๑ᆩĂ ؅ ٫ ߸ ၭ Lj ၎ ཞ RS-485޶ ሜ ໯ Ⴔ ‫ ڦ‬๼ ෇ ࠀ ୲ ߸ ‫ گ‬ă ADM2587E/ADM2582E႑ࡽࢅ‫ۉ‬ᇸ߰૗RS-485๭݀ഗ֑ᆩ 20ᆅগ੻༹SOIC‫ހ‬ጎLj๟ᄽহ؅٫ፌၭ‫ڦ‬঴ਦ‫ݛ‬ӄǗᄺ๟ Page 103 MS-2155 ᄽহ๯੼ग़ඹ‫ࡀٷ‬ఇ՗ཌྷ዆ሰरຍ‫ڦ‬ण‫ׯ‬๕႑ࡽࢅ‫ۉ‬ᇸ߰ ૗RS-485/RS-422๭݀ഗă‫ܔ‬ᇀยऺ้क़৆೨Ăยऺ؅٫๴ ၌‫ڦ‬ਜ਼ࢽLjኄၵׂ೗ਾ‫׬‬૙ၙኮ჋ă 2007౎LjADIࠅິླྀ‫؜‬ᄽহ๯੼؅٫ፌၭ‫ڦ‬Profibusग़ඹ႑ ࡽ߰૗RS-485๭݀ഗADM2485Lj໲ण‫ׯ‬Վუഗൻ‫ۯ‬ഗLjժ ֑ᆩ16ᆅগ੻༹SOIC‫ހ‬ጎăADM2485๟ADIࠅິ༵ࠃ‫ڦ‬ण ‫ׯ‬Վუഗൻ‫ۯ‬ഗࠀీ‫ڦ‬ෙ੼߰૗๕RS-485๭݀ഗዐ‫ڦ‬ᅃ ੼ă཮2၂๖ADM2485ൻ‫ۯ‬Վუഗ‫ڦ‬ᇱՉLjၠጺ၍֨‫ۉ‬ୟ ๼ໃ߰૗‫ۉ‬ᇸă ़ܸٗీଳऄ‫ں‬჋ስ၄ᆶ5 Vई3.3 V߰૗‫ۉ‬ᇸLjᄺీ૧ᆩՎ უഗฉ‫܀ڇڦ‬ජፇઠׂิጺ၍֨߰૗‫ۉ‬უă཮3໯๖ྺᅃ ߲०ࣅ‫ݴڦ‬૬DC/DCገ࣑ഗLj໲ຫ௽କኄዖದዃසࢆದࢇ ADM2486๭݀ഗ๑ᆩă ཮2໯๖‫ڦ‬ದዃਏᆶ࢔ߛ‫ڦ‬ၳ୲Lj5 V๼෇‫ۉ‬ᇸူ‫ۆڦ‬႙ၳ ୲ྺ81%Lj๢ࢇਏᆶჹ߭࿒‫܈‬၌዆‫ڦ‬ยऺăྔևՎუഗኧ ‫׼‬DC/DCገ࣑ഗᅜ500 kHzೕ୲߾ፕLjኄྺ‫ޖ‬พᄲ൱‫׉ݥ‬੏ ਗ਼‫ڦ‬ยऺටᇵ༵ࠃକᅃዖ‫گ‬EMI঴ਦ‫ݛ‬ӄă‫ܔ‬ᇀဣཥยऺ ටᇵLj཮1ࢅ཮2໯๖঴ਦ‫ݛ‬ӄ‫ڦ‬ዷᄲ൶՚ሞᇀǖമኁ؅٫ ߸ၭĂᅟᇀ๑ᆩLjࢫኁሶ༵ࠃ߸ߛ‫ڦ‬ၳ୲ࢅೕ୲߸‫ޖڦگ‬ พೕ೷ă ሞ‫ۆ‬႙‫ڦ‬੗Պ‫ײ‬இड੦዆ഗยऺዐLjI/Oࢅཚ႑‫܋‬੨Ⴔᄲ ‫ܠ‬ዖ‫ܠ‬ᄣ‫߰ڦ‬૗‫ۉ‬ᇸăኄ৽ᄲ൱ۨ዆‫ۉ‬ᇸLjٗཞᅃՎუഗ ాࢃׂิ‫߲߰ܠ‬૗‫ۉ‬ᇸLjස±15 VĂ5 Vࢅ3.3 V‫ۉ‬ᇸăኄዖ൧ ઄ူLjፌঢ়ष‫ڦ‬჋ስ๟ৈण‫ׯ‬႑ࡽ߰૗‫߰ڦ‬૗๕RS-485๭ ݀ഗLj૩ස߰૗๕Profibusग़ඹ႙RS-485๭݀ഗADM2486Lj ADIࠅິ‫߰ڦ‬૗๕RS-485/RS-422๭݀ഗဣଚׂ೗࣏༵ࠃፌ ߛ‫ٳ‬20 Mbps‫ܠڦ‬ዖຕ਍໏୲Ljᅃཉጺ၍ฉፌ‫ܠ‬੗૶থ256߲ ব‫ۅ‬Ljժ൐༵ࠃӷມ߾ࢅඇມ߾߾ፕఇ๕ăُྔLj޿ဣଚण ‫ׯ‬๕߰૗RS-485๭݀ഗඇ‫ۼ‬ཚࡗULĂVDEණኤLjCSAණኤ੗ ᆌᄲ൱༵ࠃăߵ਍ׂ೗‫߰ڦ‬૗‫ۨܮ‬ኵ(2.5 kV rmsई5 kV rms)Lj ኄၵׂ೗100%ঢ়ࡗ3000 V rmsई6000 V rmsิׂ֪๬ă ADIࠅິ‫ڦ‬ण‫ׯ‬๕RS-485߰૗๭݀ഗׂ೗ፇࢇ༵ࠃ‫؜‬෥‫ڦ‬ ଳऄႠࢅႠీLjీࠕ஢ፁဣཥยऺᄲ൱Ljᇑ࠼᳘ࢇഗ‫݆ݛ‬ ၎ԲਏᆶႹ‫ܠ‬ᆫ๞ă‫৽ׯ‬ኄᅃൎ‫ڦ‬iCouplerՎუഗरຍᅙ ᇀ2001౎ཨ෇ଉׂLjణമᅙᆶ5ᅢཚ‫ڢ‬঍޲๑ᆩLjഄ੗੍ Ⴀ࿳ᆟዃᅑăiCoupler‫ڦ‬๑ᆩ๱ం‫ࡗג‬50౎Ljփ٪ሞ‫د‬ཥ ‫ڦ‬໦ࡼ࿚༶Ljܸࢫᅃ‫ۅ‬ኟ๟࠼᳘ࢇഗरຍ‫ߵڦ‬Ԩඍ။ă ጨᇸ ᇡକ঴ᆶ࠲ADIࠅິ߰૗๕๭݀ഗׂ೗‫ܠ߸ڦ‬႑တLj൩‫ݡ‬ ࿚www.analog.com/cn/isolatedxcvrsă Page 104 Ԩ࿔༵‫ׂڦڟ‬೗ ׂ೗ ADM2587E ADM2582E ADM2485 ADM2486 ௮ຎ 2.5 kV႑ࡽࢅ‫ۉ‬ᇸ߰૗ñ15 kV ESD ԍࢺĂඇ/ӷມ߾RS-485๭݀ഗ (500 kbps) 2.5 kV႑ࡽࢅ‫ۉ‬ᇸ߰૗ñ15 kV ESD ԍࢺĂඇ/ӷມ߾RS-485๭݀ഗ (16 Mbps) 2.5 kV႑ࡽ߰૗Ăߛ໏(16 Mbps)Ăӷມ߾ RS-485๭݀ഗLjాዃՎუഗൻ‫ۯ‬ഗ 2.5 kV႑ࡽ߰૗Ăߛ໏(20 Mbps)Ă ӷມ߾RS-485๭݀ഗ MS-2155 One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com Trademarks and registered trademarks are the property of their respective owners. T09793sc-0-3/11(0) Page 105 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2242 ຕ਍᳘ࢇഗ‫ڦ‬ሺഽ߰૗ ፕኁǖMark CantrellLjADIࠅິᆌᆩ߾‫ײ‬฾ ాඹ༵ᄲ ຕጴ߰૗ഗዐ‫ڦ‬ഽࣅਨᇹঢ়ยऺࢅණኤࢫ੗༵ࠃມዘਨᇹ ဣཥ‫ڦ‬ԍࢺLjཞ้ਏᆶ‫߲ڇ‬ਨᇹቆ‫ڦ‬ຕ਍‫د‬๼Ⴀీă ‫ۉة‬Ҿඇ‫ڦ‬ዷᄲᇱሶ๟Ljሞླ၃े‫ۉۉ‬ୟᇑ‫ۉ‬ഘഗ ॲᆩࢽ੗থ‫ڦة‬ඪࢆ‫༹ڞ‬क़ՂႷ٪ሞ၎‫ړ‬ᇀଇ߲ ‫܀‬૬ਨᇹဣཥ‫ڦ‬ೡቱăਨᇹဣཥኮᅃ੗ྺҾඇথ ‫ں‬ऐ੕ेฉ‫ా߲ڇ‬ևਨᇹ֫ăଷᅃዖ‫݆ݛ‬๟ದዃଇ߲ਨᇹ ဣཥᅜ༵ࠃරᇆԍࢺăᅺُLj๑ᆩມዘਨᇹ‫ްڦ݆ݛ‬ሗ‫ۉ‬ ഘဣཥᄲ൱ሞփ໦฿႑ࡽྜኝႠ‫ڦ‬മ༵ူཚࡗଇ߲ਨᇹ֫ ৊ႜ‫߰ୁۉ‬૗ཚ႑Ljኄ৽Ⴔᄲਏᆶ‫ڪ‬ၳ‫ۉ‬ഘഽ‫ࢅ܈‬ມරᇆ ਨᇹဣཥ੗੍Ⴀ‫ڦ‬ഗॲăኄዖഗॲ‫ेྺ׬‬ഽਨᇹഗॲLjᅈ ੍঳ࠓĂ႙๕๬ᄓࢅิׂዐ‫׼‬Ⴤ॔੦ઠඓԍᇑଇ߲‫܀‬૬ဣ ཥਏᆶཞ‫ڦڪ‬ҾඇႠă Ԩ࿔ॽ༪ஃසࢆߵ਍IEC 60950Ă၎࠲‫ڦ‬IEC 60747-5-5त VDE-0884-10Քጚ‫ڦ‬঳ࠓࢅ֪๬ᄲ൱ሞ࠼᳘ࢇഗࢅຕጴ߰ ૗ഗዐํ၄ेഽਨᇹLjᅜतᇑഄ໱๢ᆩᇀଇૌ߰૗ഗ‫ࠅڦ‬ ණIECՔጚ‫ֶڦ‬ᅴă Ҿඇ߰૗ ၄‫پ‬ဣཥႴᄲ߰૗ᆶႹ‫ܠ‬ᇱᅺLjԲසᇑ‫׾ۉ‬؊‫ۉ‬ဣཥई‫ۉ‬ ऐൻ‫ۯ‬ഗዐ‫ߛڦ‬უ‫܋‬ഗॲཚ႑Ljዐ܏ཚ႑ဣཥዐ‫ڦ‬থ‫࣍ں‬ ୟLjईԍࢺᆩࢽ௨๴ླ၃၍ୟईޭՉ‫ۉ‬უฅ࡞ă߰૗຤ೝ ൽਦᇀਏ༹ᆌᆩ໯ᄲ൱‫ڦ‬Ҿඇ຤ೝăࠀీ߰૗࿮݆ྺᆩࢽ ཮1. Page 106 MS-2242 ༵ࠃԍࢺLjৈ༵ࠃഗॲኟ‫߾׉‬ፕ໯Ⴔ‫ڦ‬ਨᇹăਨᇹྜࡻ࿮ ໦้LjएԨਨᇹ‫ۉةڦ‬ԍࢺ຤ೝፁᅜԍࢺ֡ፕᇵă‫ྺڍ‬କ ԍࢺටᇵ௨๴ླ၃‫ۉ‬უฅ࡞Lj݆ࡀᄲ൱༵ࠃଇ߲‫܀‬૬ਨᇹ ဣཥǖኍ‫ۉةܔ‬ԍࢺ‫ڦ‬एԨਨᇹᅜतᅃ߲ց؊֫LjᅜՍᅃ ߲ਨᇹဣཥ݀ิࠤቱ้Ljଷᅃ߲රᇆဣཥධీԍኤ֡ፕᇵ ‫ڦ‬Ҿඇăኄዖยऺ‫ྺ׬‬ມዘਨᇹăೠࠚਨᇹဣཥ้Lj๯ᄲ ᄲ൱๟ҾඇႠܸ‫ۉݥ‬ഘࠀీLjᅺُೠࠚ೺क़‫ࠤڦ‬ቱጚሶ๟ ߰૗ቆሞණኤࢫ๟‫ࡻྜޏ‬࿮໦Ljසࡕഗॲධ‫ࢇޙ‬ᇱᆶरຍ ࡀ߭ሶ߸ॅă ेഽਨᇹဣཥ‫ڦ‬ᅃ߲૩ጱ๟‫ۉ‬ᇸዐ‫ݒڦ‬ઍ੦዆࣍ୟă࠲ᇀ ‫ړ‬മ๼‫ۉ؜‬უ‫ۉ‬ೝ‫ڦ‬႑တՂႷٗ঍ୁ/኱ୁገ࣑ഗ‫ڦ‬SELV(Ҿ ඇ༬‫ۉگ‬უ)‫ୁ܋‬ၠ‫ۉ‬ᇸ‫ڦ‬၍ୟ‫܋‬ă֡ፕᇵ੗ీࣷথ‫ۉة‬ᇸ ‫ڦ‬SELV‫܋‬LjᅺُLjຕ਍ୟ০ዐՂႷ٪ሞଇ߲‫܀‬૬߰૗ဣཥ ईᅃ߲ेഽ߰૗ဣཥLjᅜՍԍࢺ֡ፕᇵ௨ሦ‫ۉ‬ऍă‫ۉ‬ፆई ‫ۉ‬ඹ‫ڪ‬࿮ᇸഗॲ੗ᅜ‫૴ز‬ሏႜLjࠀీփࣷ௽၂ူইLj‫ڍ‬๟ ॽଇ߲ຕ਍߰૗ഗ‫ݣ‬ሞୟ০ዐඐժփ੗ႜLjᇱᅺᆶ‫߲ܠ‬ă ๯ံLjఇెຕ਍ॽ฿ඁԍኈ‫܈‬Ljܸ൐ຕጴຕ਍ॽਏᆶ‫د׊‬ խჽ‫े޹ࢅ׿‬۶‫ۯ‬ăഄْLjႴᄲዐक़‫ۉ‬ᇸ֍ీሞଇ߲ਨᇹ ֫क़ሏႜ᳘ࢇഗথ੨ăᆯᇀມዘ‫૴ز‬ຕ਍߰૗ഗॲփൎํ ाLjᅺُႴᄲ኱থੵሁມዘਨᇹՉহ૶থ‫߲ڇڦ‬ഗॲLjཞ ้փဎึҾඇႠăُૌഗॲ(཮1)ࡃૌྺेഽਨᇹഗॲă ഗॲपᄲ൱ ഗॲഽࣅਨᇹཚࡗଇዖ‫݆ݛ‬ೠࠚLjᅃዖ๟ഗॲ‫ྔڦ‬և؅ ٫Lj૩සಂ‫ۉ‬ਐ૗Ăक़ဤࢅ୑‫ۉ‬ኸຕLjଷᅃዖ๟ాև‫ۉ‬ഘ Ⴀీăాևࢅྔևᄲ൱‫تڦ‬૙‫ٷ݆ݛ‬փ၎ཞă ಂ‫ۉ‬ਐ૗๟ኸ‫ۉ‬ഘ߰૗ଇ‫ۉڞڦ܋‬঳ࠓ(සഗॲᆅগ)ኮक़ ᄂഗॲ՗௬‫ڦ‬ፌ‫܌‬ਐ૗ă‫ۉ‬ഘक़ဤ๟ኸഗॲዐ߰૗‫ۉڞ‬঳ ࠓኮक़‫ڦ‬ፌ‫܌‬ਐ૗Lj‫ڍ‬໲փ၌ᇀ՗௬ฉLjୟ০੗ᅜཌࡗࠏ ֣Lj჈ሞभԝฉăሞ०‫ڦڇ‬बࢆႚጒዐLjಂ‫ۉ‬ୟ০ᇑक़ဤ ୟ০‫׉׉‬၎ཞă֭཮၂๖କJEDECՔጚSOIC‫ހ‬ጎ‫ڦ‬ಂ‫ۉ‬ୟ ০LjႹ‫߰ܠ‬૗ഗॲ‫֑ۼ‬ᆩኄዖ‫ހ‬ጎă‫ܔ‬ᇀُૌ‫ހ‬ጎLjಂ‫ۉ‬ ࢅक़ဤਏᆶ၎ཞ‫ڦ‬ୟ০ࢅ‫܈׊‬ăಂ‫ۉ‬ਐ૗ጺ๟‫ٷ‬ᇀई‫ڪ‬ᇀ ‫ۉ‬ഘक़ဤă‫ܔ‬ᇀਨᇹ‫ۨܮ‬ኵܸჾLjഗॲ࣏ᆶᅃ߲ዘᄲ‫ྔڦ‬ և༬ႠLjఫ৽๟၎‫ۉ୑ܔ‬ኸຕ(CTI)ă໲࢚ଉᅃዖਨᇹ֌ଙ ๴୑‫ۉ‬ൔ์‫ڦ‬ඹᅟ‫܈ײ‬ăডߛ‫ۉۉ୑ڦ‬უሎႹಂ‫ۉ‬ਐ૗ড ၭLjཞ้ධీԍ‫׼‬ҾඇႠă ཮2. Page 107 ྔև؅٫ՂႷ‫ڪ‬ᇀᆯມዘਨᇹဣཥएԨ֫ࢅց؊༵֫ࠃ‫ڦ‬ ጺਐ૗ăᅃӯܸჾLjഽࣅഗॲ‫ڦ‬໯ᆶಂ‫ۉ‬ਐ૗ࢅ‫ۉ‬ഘक़ဤ ଇԠᇀएԨ/ց؊‫ۨܮ‬ഗॲă཮2૩๖କଇ߲‫׉‬९߾ፕཉॲ त໯Ⴔ‫ڦ‬ಂ‫ۉ‬ਐ૗ࢅ‫ۉ‬ഘक़ဤăኮ໯ᅜ֑ᆩኄዖ‫݆ݛ‬Lj๟ ᅺྺྔև࣍ৣࢅ՗௬༬Ⴀ੗ᅜਦۨྔևक़ਐᄲ൱LjഄዐԈ ઔᇨ೺࿫ක࿿ຕଉĂഘუLjᅜतഗॲྔ՗௬ԥ՗௬‫ۉݣ‬ൔ ์‫ڦ‬ൡၠLjኄ‫ۉ୑ྺ׬‬ഐ࢓ă ࠲ᇀഗॲ‫ాڦ‬և༬ႠLjਨᇹዊଉԲਏԢ༬ۨຕଉईࢩ‫ڦ܈‬ ਨᇹ߸ዘᄲă዆ሰฆ੗ኤ௽ഗॲਏᆶ໯Ⴔ‫ۉڦ‬ഘ༬ႠLj੗ ఱ๴‫܌׊‬೺‫ۉ‬უᆌ૰ă IEC 60950Քጚ‫ڦ‬ᄲ൱๢ᆩᇀӸࠅࢅ‫ۉ‬႑ยԢLj࢔‫܈ײٷ‬ฉ ᄺ๢ᆩᇀᅅଐഗॲăྔև؅٫ࢅ֌ଙ੗૧ᆩ֪ྲऺൟ຿ᄓ ኤLjժཚࡗොጎ֌ଙ֪๬ᄓኤ୑‫ۉ‬ኸຕă‫ܔ‬ᇀాևᄲ൱Lj ᆶෙዖණኤഗॲ‫݆ݛڦ‬ă  x ੗ሞ्ยഗॲৈԈࡤ༹ࠦਨᇹ‫ڦ‬ཉॲူ৊ႜೠࠚă ኄ๟ፌ०‫݆ݛڦڇ‬Lj໲ᄲ൱ਨᇹ֫ాईᄂቕࢇথཀྵ ‫ڦ‬໯ᆶాևਐ૗‫ٷ‬ᇀ0.4 mmă࿮Ⴔඪࢆ৊ᅃօ֪๬ă փࡗLj‫ࢇޙ‬ኄၵᄲ൱‫ߛڦ‬Ⴀీຕ਍᳘ࢇഗవᅜ዆ ሰăට்೵Փණྺ0.4 mmፌ‫گ‬ਨᇹࢩ‫܈‬๢ᆩᇀ໯ᆶഽ ࣅ߰૗ഗॲǗ๚ํժ‫ݥ‬සُLjႹ‫ײ߾ܠ‬฾ඹᅟंၫă  x සࡕഗॲ๟࠼᳘ࢇഗLjሶᆌ֑ᆩIEC 60747-5-5Քጚă ኄ๟ጆྺණኤ࠼᳘ࢇഗഽࣅਨᇹܸยऺ‫ڦ‬ჹ߭Ք ጚLjԈࡤᅃ૶‫ز‬ૌ႙֪๬ࢅ๱ం֪๬Lj൐௅߲֪๬ ࢫҾಇ߰૗ఱ๴ᄓኤ֪๬ă  x ഗॲ੗๫ྺӷ‫༹ڞ‬ഗॲăُૌഗॲਏᆶᅃፇૌຼᇀ IEC 60747-5-5ᄲ൱‫ڦ‬ૌ႙֪๬ă޿‫݆ݛ‬ᆯຕጴ߰૗ഗ ๑ᆩLjᅺྺ࠼᳘ࢇഗՔጚ‫֪ڦ‬๬ᄲ൱๟ጆྺ࠼᳘ࢇ ഗ঳ࠓܸۨ዆‫ڦ‬ă MS-2242 ഽࣅ‫ۨܮ‬ኵ‫ڦ‬ණኤࢅྼࢺ‫ݴ‬ෙ߲঩܎ྜ‫ׯ‬ă 1. ೠࠚ֌ଙࢅ؅٫Ljํแ‫ۉ‬ഘૌ႙֪๬ă֪๬Ԉઔඤ თ࣍Ăᆶ၌๱ం֪๬ࢅ‫ۉ‬ഘࡗᆌ૰Ljᆶ੗ీሰ‫ेׯ‬ ඤईሚవႠਨᇹࠤቱă߰૗ྜኝႠཚࡗ௅ዖ࣍ৣई ֪๬ࢫ‫ۉڦ‬უఱ๴֪๬ઠॠֱă՗1ዐጺ঳କIEC 60747ૌ႙֪๬ă ՗1. ૌ႙֪๬ ֌ଙ ‫ۉ‬ഘ CTI ੗඘Ⴀ ఱუ ਆև‫ۉݣ‬ ਨᇹ‫ۉ‬ፆ ‫ۉ‬ᆥ ࡗሜ ऐႁ ඤთ࣍ ඤ؋ऍ ና‫ۯ‬ ߛ࿒٪‫ئ‬ ಂ‫ۉ‬ਐ૗/‫ۉ‬ഘक़ဤ 2. ߵ਍؅٫ࢅૌ႙֪๬ණኤഗॲࢫLjᇑ዆ሰ঩܎ᅃ ᄣLjཚࡗ‫ۉ‬უఱ๴֪๬ॠֱ௅߲ഗॲ‫ڦ‬ਨᇹྜኝ Ⴀă֑ᆩIEC 60747-5-5ईཞ‫ڪ‬ණኤ้Ljᆌ‫ܔ‬௅߲ഗॲ ৊ႜਆև‫ۉݣ‬ਨᇹዊଉ֪๬ă 3. ණኤऐࠓኴႜۨ೺อֱLjᅜᄓኤ֌ଙፇࢇࢅ؅٫࿄ ߀ՎLj໯ᆶጎದ၍֪๬๑ᆩᅙၯጚ‫ڦ‬ยԢኟඓํ แăగၵૌ႙֪๬ᅜ֑ᄣႚ๕ۨ೺ዘްLjժথ๴อ ֱᇵอֱă ߰૗ᄲ൱݀ቛ൵๞ ฉ࿔ዷᄲ༪ஃᆌᆩፌ࠽‫ڦݘ‬Քጚኮᅃăփཞ‫ڦ‬Քጚሞഗॲ पਏᆶྜඇփཞ‫ڦ‬ᄲ൱ăᅃ߲Քጚ‫߲߳ڦ‬ӲԨኮक़ฯ዁ᄺ ࣷ݀ิՎࣅăᆯᇀIEC൵ၠᇀ዆ۨཥᅃ‫݆ݛڦ‬Ljኄᅃ࿚༶ ኟሞ‫ڟڥ‬঴ਦăᆯᇀ߳Քጚ྿ᇵࣷධਏᆶ࢔‫܀ٷ‬૬ႠLj঴ ਦُ࿚༶੗ీႴᄲ࢔‫้׊‬क़ăဣཥपՔጚᆌᆩ‫ڦ‬ཥᅃ൵๞ ༹၄ሞഗॲपՔጚ‫؜ڦ‬၄Lj૩සIEC 60747-5-5ăُૌഗॲ Page 108 MS-2242 पՔጚ੗ᅜൽ‫پ‬ဣཥपՔጚ‫ڦ‬༬ۨᄲ൱ăణമُՔጚৈ๢ ᆩᇀ࠼᳘ࢇഗLjܸփ๢ࢇഄ໱߸ႎ‫ڦ‬ຕጴ߰૗ഗǗփࡗLj VDEᅙঢ়዆ۨՔጚ֥ӄVDE0884-10LjॽIEC 60747-5-5Քጚ ‫ڦ‬ਨᇹ֪๬ᆌᆩᇀຕጴ߰૗ഗă ኄଇ߲Քጚ਩ྺഽࣅਨᇹ༵‫؜‬କߛᄲ൱LjԈઔ10 kVई߸ߛ ຤ೝူ‫ۉڦ‬ᆥ֪๬ăटԋ‫ڦ‬ਨᇹ֫࿮݆ཚࡗ޿֪๬Ljᅙঢ় ኤ௽໲‫ܔ‬Ⴙ‫࠼ܠ‬᳘ࢇഗࢅຕጴ߰૗ഗ‫ڦ‬ഽࣅਨᇹණኤਏᆶ ࢔ࡻ‫ڦ‬६՚ၳࡕăփ஢ፁᄲ൱‫ڦ‬ഗॲཚ‫ࣷ׉‬ገܸᅈ਍IEC 60747-5-2ՔጚLj޿Քጚ๢ᆩᇀएԨਨᇹăኄ๟ଷᅃ߲߰૗ ဣཥยऺටᇵඹᅟंၫ‫ݛںڦ‬Lj৽๟ဃᅜྺIEC 60747-5ණ ኤ ጲ ‫ ޯ ۯ‬ᇎ ഽ ࣅ ጒ ༀ ă IEC྿ ᇵ ࣷ ణ മ ኟ ሞ Ⴊ ۩ IEC 60747-5-5ՔጚLjᅜభ෇ຕጴ߰૗ഗăူᅃ߲ཥᅃՔጚ࿄ઠ ॽޮ߃໯ᆶIECဣཥपՔጚLj੗Ն௨ُૌंၫă ঳ஃ ຕጴ߰૗ഗዐ‫ڦ‬ഽࣅਨᇹঢ়ยऺࢅණኤࢫ੗༵ࠃມዘਨᇹ ဣཥ‫ڦ‬ԍࢺLjཞ้ਏᆶ‫߲ڇ‬ਨᇹቆ‫ڦ‬ຕ਍‫د‬๼Ⴀీăٗྔ ևઠੂLjഗॲ‫ڦ‬ಂ‫ۉ‬ਐ૗ࢅक़ဤᄲ൱၎‫ړ‬ᇀएԨਨᇹᄲ൱ ‫ڦ‬ଇԠăٗాևઠੂLjਨᇹᄲ஺‫ࢇޙ‬Ԉઔፌ‫܌‬ਨᇹਐ૗ሞ ా‫༹ࠦڦ‬ਨᇹᄲ൱Ljᄲ஺ሞิׂ೺क़থ๴႙๕֪๬ࢅጎದ ၍֪๬ăཚࡗ֪๬ᄓኤഽࣅਨᇹ‫ۨܮ‬ኵLjܸփ๟༵ࠃၘဦ ঳ࠓᄲ൱Ljኄᆶ૧ᇀਨᇹरຍ‫ظ‬ႎ‫ڦ‬ණኤLjཞ้փՂྺ௅ ዖႎरຍዘႀՔጚă ጨᇸ ᆶ࠲߰૗ׂ೗‫ڦ‬႑တࢅጨᇸLj൩‫ݡ‬࿚ www.analog.com/cn/iCoupler ᇡ៓બTwitterྪበฉ‫ڦ‬ADIႎ࿕Lj൩‫ݡ‬࿚ǖwww.twitter.com/ ADI_News ፕኁ०঻ Mark Cantrell๟ADIࠅິຕጴ߰૗ഗևோ ‫ ڦ‬ᆌ ᆩ ߾ ‫ ײ‬฾ ă े ෇ ADIࠅ ິ ኮ മ Lj Markሞे૧‫౅ޟ‬ჱ۫ևํᄓ๪߾ፕକୃ ౎Lj޶ሴNEC࠼‫ۉ‬᳘ࢇഗࢅࠦༀी‫ۉ‬ഗ ׂ೗၍‫ڦ‬ᆌᆩኧ‫׼‬ăMark࣏ሼሞ஍ਖ਼ထ ‫• ڤ‬க ۡ ࠅ ິ ‫ ڑ ڞ‬ᇑ ੣ क़ և ோ ߾ ፕ କ 17 ౎Ljፕྺ‫ޖ‬พၳᆌ֪๬߾‫ײ‬฾֖ᇑକᆅ૰༑֪ഗB࿐႓ऺ ࣄăMarkᆛᆶெࡔᆇ‫ڼ‬Ҿభ‫ٷ‬ბ࿿૙ბຬ๗ბ࿋ă૴ဣ‫ݛ‬ ๕ǖmark.cantrell@analog.com One Technology Way • P.O. 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TA10396sc-0-12/11 Page 109 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2411 ᆫࣅ߰૗‫ߌد‬ഗথ੨‫୲ࠀڦ‬ገ࣑! ፕኁǖMark CantrellLjADIࠅິᆌᆩ߾‫ײ‬฾ ాඹ༵ᄲ ሞ߾ᄽ੦዆๘হLjᆶब‫ۅ‬๟ඓۨ࿮ᅑ‫ڦ‬ǖူᅃ੼ׂ೗ॽਏ ᆶ߸ၭ‫ڦ‬؅٫Ă߸‫ܠ‬ཚ‫ڢ‬ຕLj௅ཚ‫ڦڢ‬ణՔ‫ׯ‬Ԩ߸‫گ‬ăට ்೺ྭLjरຍሞฉᅃ߲ยऺׂ೗ኮࢫᅙᆶ໯߀৊Lj໯ᆶኄ ၵ‫ۼ‬๟੗ీ‫ڦ‬ăሞ࢔‫܈ײٷ‬ฉLjࡗඁ৽๟ኄᄣ݀ቛ‫ڦ‬Ljܸ ࿄ઠ࢔੗ీධ඗සُă ٗ࠼᳘ࢇഗ้‫ڟپ‬ፌႎ‫ߛڦ‬໏Ă‫ࡼࠀگ‬Ăߛण‫܈ׯ‬ຕጴ߰ ૗ഗLjຕ਍থ੨ᅃ኱ሞ࿘օ݀ቛăԨ࿔ॽ༪ஃ߰૗‫ߌد‬ഗ থ੨‫ڦ‬ᅃ߲Ԩᆌ‫࠲ܠ߸ڟڥ‬ጀ‫ݛڦ‬௬ăසࢆሞ໫ၭথ੨؅ ٫ժ༵ߛႠీ‫ڦ‬ཞ้Ljॽ߰૗‫ۉ‬ᇸ༵ࠃߴADCࢅۙ૙‫ۉ‬ ୟǛࡗඁLjఇెথ੨ӱ‫ڦ‬ཚ‫ڢ‬ຕփ‫ܠ‬Ljᅺُӱฉᆶፁࠕ‫ڦ‬ ੣क़੗ᆩઠยऺ๢‫ڦړ‬DC-DCገ࣑ഗLjᅜՍྺ‫ߌد‬ഗথ੨ ༵ࠃ‫ۉ‬ᇸăᅃ߲ఇ੷ኻᆶᅃଇ߲থ੨Ljᅺُࠀࡼփ๟๊஺ ‫ٷ‬࿚༶ăܸణമLjఇెPLCఇ੷(ස཮1໯๖)ీࠕ༵ࠃ4 ߲ Ă 8߲ ฯ ዁ 16߲ ‫ ܀‬૬ ‫ ߰ ڦ‬૗ ཚ ‫ ڢ‬ă ‫ ٷ ߲ ܠ‬ၭ ๢ ዐ ‫ڦ‬ DC-DCገ࣑ഗࣷ቞਍࢔‫ܠ‬੣क़Ljժׂิ࢔‫ܠ‬ඤଉă ཮1. ‫ۆ‬႙‫ܠ‬ཚ‫ߌدڢ‬ഗথ੨ Page 110 MS-2411 ཮1໯๖ཚᆩఇెথ੨ྺ‫ۉ‬ᇸ༪ஃ༵ࠃକᅃ߲࢔ࡻ‫ڦ‬ഐ‫ۅ‬ă ᆶᇸ‫ۉ‬ୟԈઔ႑ࡽۙ૙‫ڇ‬ᇮ(૩සሏ໙‫ٷݣ‬ഗईᅏ՗‫ٷݣ‬ ഗ)Ljᅜतण‫ׯ‬କ‫ز‬ႜথ੨‫ڦ‬ADCLj੗ཚࡗຕጴ߰૗ഗཚ‫ڢ‬ ํ၄ᇑFPGA‫ڦ‬থ੨ăཚ‫ۉ޿׉‬ୟ໯Ⴔࠀ୲ᇺ‫گ‬ᇀ150 mWă ྺ‫ߌد‬ഗথ੨༵ࠃ‫ۉ‬ᇸ‫ڦ‬एԨ཈቟๟ᆫࣅ‫ۉ‬ᇸLj๑ഄሞ໯ Ⴔࠀ୲‫ాྷݔ‬ኟ‫߾׉‬ፕă0 mW዁150 mW߾ፕ‫ྷݔ‬ᅪ࿆ጣ ࠓ‫ۉׯ‬ᇸ‫ڦ‬੦዆ഗࢅ‫ݒ‬ઍᇮॲ‫ৢۨࠦڦ‬ༀࠀࡼࣷ቞໯ᆩጺ ࠀࡼ‫ڦ‬ড‫ٷ‬և‫ݴ‬Ljᅺُၳ୲ড‫گ‬ă՗1ዐփཞ‫ۉ‬ᇸದዃ‫ڦ‬ ৢༀ‫ୁۉ‬ኵ၂๖କኄᅃ‫ۅ‬ăଷྔLjႹ‫ܠ‬०‫ۉڇ‬ᇸยऺႴᄲ ᅃ߲ፌၭ޶ሜ֍ీኟ‫߾׉‬ፕLjྺ๑‫ۉ‬ᇸኟ‫ࣩ݀׉‬ፕᆩLjՂ Ⴗॽࠀ୲ષ‫ݯ‬ሞ‫׼‬ჄፆႠ޶ሜฉă໚඗ሞ‫ۉ‬ୟӱฉ‫ݣ‬ዃᅃ ߲555้ۨഗࢅৗ༹࠶ઠइ‫ڥ‬ᅃۨ‫࢔୲ࠀڦ‬ඹᅟLj‫ڍ‬዆ፕ ᅃ߲ߛၳĂ੗੍Ă‫ۉڦࡼࠀگ‬ᇸሶ࢔ઓవă ሞُࠀ୲‫ాྷݔ‬LjᆶෙዖएԨ‫ڦ‬DC-DCገ࣑ഗૌ႙ǖ 1. ‫ݥ‬࿘უਸ࠲‫ۉ‬ᇸईఇ੷ 2. ࿘უਸ࠲‫ۉ‬ᇸईఇ੷ 3. ႊೌपࠀ୲ገ࣑ഗ ֑ᆩኄၵ‫ۉ‬ᇸ঳ࠓ‫ࣷۼ‬ሺे੦዆‫ۉ‬ୟ‫ްڦ‬ሗႠLjܸമଇዖ ૌ႙࣏Ⴔሺेᇮഗॲຕణࢅ঴ਦ‫ݛ‬ӄ‫ڦ‬؅٫ă ‫ݥ‬࿘უ‫ۉ‬ᇸ ፌ०‫ڦڇ‬঴ਦ‫ݛ‬ӄ๟཮2໯๖‫ݥڦ‬࿘უDC-DCገ࣑ഗă ཮2. ‫ݥ‬࿘უDC-DCఇ੷ ޿ยऺ૧ᆩࠦۨೕ୲Ăࠦۨ቞੣Բ๼෇ൎ࣑ઠׂิޭՉ‫ۉ‬ ᇸLj඗ࢫ৊ႜኝୁࢅ୳հă໯჋Վუഗ‫߰ۨܮڦ‬૗‫ۉ‬უՂ Ⴗ‫ڟٳ‬ᆌᆩᄲ൱ă߰૗ᄲ൱ሁߛLjሶՎუഗሁ‫(ٷ‬नPCB௬ ओሁ‫ٷ‬Ăߛ‫܈‬ሁߛ)ă޿঴ਦ‫ݛ‬ӄ‫ׯڦ‬ԨᅜՎუഗྺዷLjຕ ଉࢇ๢‫ࣆڦ‬Lj‫ݴ‬૬঴ਦ‫ݛ‬ӄ‫ׯڦ‬Ԩ‫گ‬ᇀ1.00ெᇮă ໚඗‫ׯ‬Ԩ࢔‫گ‬Lj‫޶ڍ‬ሜࢅ࿒‫ڦాྷݔ܈‬๼‫ۉ؜‬უՎࣅ੗ీ ࢔‫ٷ‬Ljఇెথ੨‫ڦ‬ఇెഗॲ჋ስॽ߸ेઓవăఇెথ੨‫ڦ‬ ໯ᆶఇెഗॲ‫ۼ‬ՂႷਏᆶ‫؜‬෥‫ۉڦ‬ᇸᅞ዆ႠీLj޶ሜփీ ੺໏ՎࣅLj‫ޏ‬ሶ৽ࣷᆅഐ‫ۉ‬ᇸ‫߀܈ޗٷ‬ՎăᅺُLjഗॲ‫ׯ‬ Ԩ༵ࣷߛLjईኁ዁ณᄲࢾ‫ڦܠ߸ݯ‬ยऺ้क़Ljᅜೠࠚ঴ਦ ‫ݛ‬ӄሞट‫܋‬൧઄ူ‫ڦ‬՗၄ă‫ݥ‬࿘უ‫ۉ‬ᇸ‫ڦ‬ၳ୲੗ీ၎‫ړ‬ ߛLj‫ۉڍ‬ᇸዊଉ࢔‫گ‬ă ࿘უ‫ۉ‬ᇸࢅఇ੷ ࿘უ‫ۉ‬ᇸ༵ࠃ߸ࡻ‫ڦ‬๼‫؜‬༬Ⴀă཮3၂๖ᅃ߲1 Wࠀ୲‫ྷݔ‬ ా‫ۆڦ‬႙DC-DCఇ੷ă ཮3. ࿘უDC-DCఇ੷ ᇑฉຎ‫ݥ‬࿘უ‫ۉ‬ᇸ๖૩ૌຼLj੦዆ഗॽࠀ୲ൎ࣑‫ڟ‬Վუഗ ዐă჋ስ๢‫ڦړ‬Վუഗࠀ୲຤ೝࢅሕຕԲLjᅜՍሞፌ‫޶ٷ‬ ሜူ༵ࠃ؊ፁ‫ۉڦ‬უLj๑‫ڥ‬LDOీࠕॽ๼‫ۉ؜‬უۙব‫ڟ‬࿘ ۨ‫ڦ‬຤ೝă޿‫ݛ‬ӄ‫ۉڦ‬ᇸၳ୲ሞߛ޶ሜူ‫ࡻ׉ݥ‬Ljሞ‫޶گ‬ ሜူሶ࢔ֶLjܸࢫኁኟ๟ఇెথ੨ᆌᆩ‫ڦ‬ሏႜ൧઄ă ᆶႹ‫ܠ‬ᆶᇸ࿘უ‫ݛ‬ӄ੗ᅜ༵ߛඇ޶ሜ‫ڦాྷݔ‬ၳ୲Lj‫ڍ‬Ⴔ ᄲްሗ‫ڦܠڥ‬੦዆‫ۉ‬ୟLjܸ൐‫ٷ‬և‫ݛݴ‬ӄႴᄲሞ߰૗ቆฉ ॺ૬ᅃ߲‫ݒ‬ઍཚ‫ڢ‬ăኄࣷ‫ޗٷ‬ሺेยऺ‫ׯڦ‬Ԩࢅ؅٫Ljᅃ ӯփ๢ࢇُࠀ୲‫ڦాྷݔ‬ఇ੷ă ᆯᇀవᅜॽՎუഗኝࢇ‫ڟ‬ፇॲዐLjᅺُኄၵ‫ۉ‬ᇸ‫ڦ‬ण‫ׯ‬ժ ࿄‫؜ג‬௢‫ހ‬ఇ੷ईPCBጱਸ਼ă዆ሰฆሞ໫ၭኄၵഗॲ‫ڦ‬؅ ٫‫ݛ‬௬ൽ‫׉ݥࠀׯڦڥ‬ᆶ၌ă Page 111 MS-2411 ႊೌपገ࣑ഗ ႊೌपՎუഗरຍ๟ADIࠅິኍ‫ܔ‬iCoupler®ຕጴ߰૗ഗׂ ೗ܸਸ݀‫ڦ‬Ljएᇀ޿रຍᅙׂิᅃૌႎ႙DC-DCገ࣑ഗă ޿रຍ‫׉ݥ‬๢ࢇ‫ߛࡼࠀگ‬Ⴀీ‫ۉ‬ᇸยऺăՎუഗྺĐ੣ ႊđLjᄺ৽๟ຫՎუഗዐփ٪ሞ‫ى‬Ⴀ֌ଙăኄᅪ࿆ጣLjኄ ၵྲ႙Վუഗሞ‫ٷ‬ሀ125 MHz้ਏᆶፌߛ‫ڦ‬Qăਸ࠲ೕ୲ සُኮߛLjᅺܸ࿮݆ཚࡗ߀Վਸ࠲႑ࡽ‫ڦ‬቞੣Բઠ੦዆ࠀ ୲ă၎‫ݒ‬Lj੦዆‫ۉ‬ୟཚࡗ჋ཚࢅਸ࠲ኝ߲ና‫ږ‬ഗઠۙবޭ Չ‫ۉ‬უă Վუഗ‫׉ݥ‬ၭLjፁᅜण‫֑ڟׯ‬ᆩా‫ݴ‬ᆅগॐࠓ‫ڦ‬ՔጚIC‫ހ‬ ጎዐăሞ߰૗ቆଇ֨Ljኟၠ‫ۉ‬ᇸࢅ๼‫ݒ؜‬ઍ໯Ⴔ‫ڦ‬ඇևഗ ॲ‫ۼ‬੗ᅜण‫ڟׯ‬ᅃ‫ܔ‬ႊೌዐLj࿮Ⴔྔև‫ݴ‬૬ഗॲLjժ൐੗ ᅜํ၄‫ܠ‬ዖߛप༬Ⴀăႊೌपࠀ୲ገ࣑ഗీࠕण‫ྜׯ‬ඇ࿘ უDC-DC‫ۉ‬ᇸ‫ڦ‬ඇևࠀీLjሞ‫޶گ‬ሜ൧઄ူਏᆶ৆ٙ႙‫ڦ‬ ࿘უ༬Ⴀࢅଆࡻ‫ڦ‬ၳ୲ă ཮4. ADuM5010ႊೌपገ࣑ഗ Բড ူ௬ཚࡗᅃၵํा૩ጱઠຫ௽ฉຎยऺ‫ڦ‬൶՚ă՗1၂๖ ଇ߲‫ۉ‬ᇸఇ੷ࢅᅃ߲ႊೌपገ࣑ഗ‫ڦ‬༬Ⴀ‫ܔ‬Բă໯჋TIఇ ੷ྺፌ‫׉‬९‫ڦ‬ఇ੷Ljࠀ୲‫ߌدྺྷݔ‬ഗথ੨ᄲ൱ዐࡀۨ‫ڦ‬ 0 mW዁150 mWă ‫ٷ‬և‫ݴ‬ยऺ฾Ⴔᄲํ၄ߛ‫ۉ‬ᇸၳ୲‫ڦ‬ยऺă՗1ዐLj‫ݥ‬࿘ უ঴ਦ‫ݛ‬ӄ‫ڦ‬ၳ୲ፌߛLj‫ڍ‬჋ስ޿‫ݛ‬ӄᄺᆶՁ‫܋‬ăُఇ੷ ‫ྺ୲ࠀۨܮڦ‬1 WLj‫ڍ‬ഄຕ਍๮֩૶100 mWᅜူ‫ڦ‬Ⴀీ‫ۼ‬ ࿄ߴ‫؜‬ă๚ํ࢔੗ీ๟ኄᄣǖ๼‫ۉ؜‬უ၂ዸߛᇀ‫ۨܮ‬ኵLj ၳ୲ტ໏ই‫گ‬ă ՗1. रຍ‫ܔ‬Բ ૌ႙ ႊೌपገ࣑ഗ ࿘უఇ੷ ‫ݥ‬࿘უఇ੷ ׂ೗႙ࡽ ‫ރ‬ኵၳ୲ ADuM5010 30% DCR010505 50% DCH010505 72% 10 mAၳ୲ 27% 21% N/A ৢༀ‫ୁۉ‬ 6.8 mA 18 mA 60 mA ፌ‫୲ࠀٷ‬ 150 mW 1W 1W ޶ሜۙኝ୲ 1.3% 3% 10% ؅٫ 7.4 × 7.4 × 2 18 × 10 × 2.5 20 × 8 × 10 ‫ׯ‬Ԩ $1.50 $5.95 $4.25 Page 112 MS-2411 ၳ୲‫ڦܾڼ‬๟࿘უఇ੷ă໲ยऺᆩᇀൟ޶ሜLjਏᆶଆࡻ‫ڦ‬ ༬Ⴀă඗ܸLjጮဦ‫ܔ‬Բႊೌपገ࣑ഗLj‫ݴ‬ဆ࿘უఇ੷‫ڦ‬ၳ ୲Ljᆯ཮5੗९Ljᆯᇀႊೌपገ࣑ഗण‫ׯ‬ᆶᇸ‫ݒ‬ઍۙবLj ഄၳ୲ీࠕ߸੺‫ں‬ฉื዁ፌዕኵLjᅺُሞ0 mAࢅ15 mA‫ڦ‬ ޶ሜ‫ాྷݔ‬Ljႊೌप঴ਦ‫ݛ‬ӄ๚ํฉ߸ᆶၳăኄएԨฉ৽ ๟ፌ‫؛‬ఇెথ੨ۨᅭዐ‫ڦ‬ణՔ‫ྷݔ‬କăᅺُLj৑࠶ႊೌप ঴ਦ‫ݛ‬ӄ‫ڦ‬ፌ‫ٷ‬ၳ୲ፌ‫گ‬Lj໲ᅈ඗๟ᅃ߲ডࡻ‫ڦ‬჋ስă Eĸciency (%) 50 45 40 35 30 25 20 15 10 5 0 0 DCR01 5V/5V ADuM5010 5V/5V 10 20 30 40 Load Current (mA) ཮5. DC-DC࿘უఇ੷ᇑႊೌपገ࣑ഗ‫ڦ‬ၳ୲‫ܔ‬Բ ঴ਦ‫ݛ‬ӄ؅٫๟ူᅃ߲Բড‫ۅ‬ăఇ੷঴ਦ‫ݛ‬ӄሞPCBฉ‫ڦ‬ ௬ओ਩ྺ180 mm2Lj‫ݥ‬࿘უఇ੷‫܈ߛڦ‬๟10 mmLjᅺُ໲փ ৈᄲ቞ᆩ‫ۉ‬ୟӱ੣क़Ljܸ൐࢔੗ీ๟ӱฉፌߛ‫ڦ‬և‫ݴ‬Ljਦ ۨఇ੷‫ڦ‬૙ஃྔ੕؅٫ă௽዇‫ڦ‬჋ስཞᄣ๟֑ᆩԋ႙ SSOP20 JEDECՔጚ‫ހ‬ጎĂ؅٫ྺ55 mm2Ljժ൐ཁेᅃၵಖ ୟ‫ۉ‬ඹࢅଇ߲‫ۉ‬ፆ‫ڦ‬ႊೌपఇ੷ă ࿘უ‫ݛ‬ӄ၎‫ܔ‬ᇀ‫ݥ‬࿘უ‫ݛ‬ӄ‫ڦ‬ᆫ๞ᇑఇెമ‫ڦ܋‬ADCࢅ‫ݣ‬ ‫ٷ‬ഗ‫ۉڦ‬ᇸᅞ዆Ⴀీᆶ࠲ă࿘უీ૰ሁഽLjሶ჋ስ֪ଉഗ ॲ‫ڦ‬ଳऄႠሁ‫ٷ‬Ljܸփ๟ਆ၌ᇀఫၵਏᆶፌॅ‫ۉ‬ᇸᅞ዆Ⴀ ీ‫ڦ‬ഗॲă ఇ੷๕/‫ݴ‬૬঴ਦ‫ݛ‬ӄᇑႊೌप঴ਦ‫ݛ‬ӄ‫ڦ‬ፌࢫᅃ߲൶՚ᅺ ໎๟߾ፕೕ୲ăਸ࠲‫ۉߴࣷୁۉ‬ᇸ‫ټ‬ઠሯำࢅ࿖հă࢔‫ܠ‬ ൧઄ူLjఇ੷‫߾ڦ‬ፕೕ୲‫ྷݔ‬๟200 kHz‫ڟ‬1 MHzLjᇑႹ‫ܠ‬ ‫ߌد‬ഗᆌᆩ‫֑ڦ‬ᄣ໏୲၎‫ړ‬ăՂႷ‫ܔ‬ຕ਍৊ႜ๢‫୳ڦړ‬հ ईၩ‫۠ंأ‬Lj‫ݞ‬ኹഄ๴‫ۉڟ‬ᇸሯำᆖၚăႊೌप঴ਦ‫ݛ‬ӄ ‫ڦ‬ᇱՉࠀ୲ና‫ږ‬ഗ‫߾ڦ‬ፕೕ୲ሞ125 MHzLjᇺߛᇀ‫ܠ‬ຕ߾ᄽ ‫ߌد‬ഗADC‫֑ڦ‬ᄣೕ୲ă໚඗ࠀ୲ና‫ږ‬ഗ‫ڦ‬PWM੦዆ධ ࣷᆅഐ࿖հLj‫ڍ‬ፌ‫ٷ‬ሯำᇸߛᇀADC‫੻ټڦ‬Lj੗ॽഄൟ຿ ୳‫أ‬ă ႊೌपገ࣑ഗ‫ྔܮڦ‬ᆫ๞ ৈ৽؅٫ၳ୲ܸჾLjႊೌपገ࣑ഗ‫׉ݥ‬๢ࢇ޿ᆌᆩă‫޿ڍ‬ रຍ࣏ᆶႹ‫ܠ‬ഄ໱ᆫ‫ۅ‬ăူ௬ॽၘဦ঻ถႎ႙߰૗ࠀ୲ገ ࣑ഗADuM5010ăُഗॲీሞఇెথ੨ᄲ൱‫ྷݔࡼࠀگڦ‬ ా༵ࠃ‫ۉ‬႑ᆩDC-DCገ࣑ഗ‫ڦ‬Ⴀీă 1. ࿮၌੗ۙ‫ڦ‬๼‫ۉ؜‬უăADuM5010ཚࡗޭՉ‫ݴڦ‬უഗย ዃ๼‫ۉ؜‬უăഄ‫ྺྷݔ‬3.15 V዁5.5 VăႹ‫ܠ‬ఇెADCࢅ ሏ໙‫ٷݣ‬ഗ֑ᆩ‫ݥ‬Քጚ‫ۉ‬ᇸࡆࠃ‫ۉ‬Ljᅺُ੗ᅜۙኝ‫ۉ‬უ ᅜइ‫ڥ‬ፌॅ‫ۉ‬ᇸཉॲă 2. ඤ࠲܏ࠀీ੗ሞ‫܌‬ୟࡗሜ൧઄ူԍࢺ‫ۉ‬ᇸLjᆮഄ๟ሞႊ ೌ࿒‫܈‬੗ీ‫ࡗג‬ፌߛ၌ኵ‫ৣ࣍ߛڦ‬࿒‫ူ܈‬ăඤ࠲܏ཌՎ ‫ྺۅ‬154°CLjႊೌՂႷԲ໲‫گ‬10°CᅜฉLjഗॲ֍ీጲ‫ۯ‬ ዘഔă‫ۉ‬ᇸዘഔփႴᄲඪࢆྔև‫ت‬૙ഗ߅ᇨă 3. แे‫ۉ‬ᇸ้LjཚࡗሞᇱՉ੦዆PWMํ၄෉ഔ‫ۯ‬ăኄ ᄣLjഗॲഔ‫ڦ้ۯ‬ષᆥ‫ୁۉ‬੗ࢮ୼փऺă‫߲ܠ‬ഗॲཞ้ ഔ‫้ۯ‬Ljષᆥ‫ୁۉ‬੗ీࣷუ‫ڛ‬ডෑ኱ୁ๼෇‫ۉ‬ᇸࡆLj‫ڞ‬ ዂ࿮݆ᇨ֪‫ڦ‬ႜྺă 4. ૧ᆩᇱՉ‫ۉ‬ᇸ্ᆩࠀీLj੗ᅜॽገ࣑ഗ࠲܏‫ࡼࠀڟ‬ट‫گ‬ ‫ځڦ‬ऐጒༀăُ༬Ⴀ঳ࢇ෉ഔ‫ۯ‬੗ํ၄ู‫ݛۉ‬ӄLjሞ֪ ଉक़ၶ࠲Կ‫ߌد‬ഗ‫ۉڦ‬ᇸă 5. ᇱՉ๼෇‫ۉ‬ᇸਏᆶവუԿ໮(UVLO)ࠀీăُ༬Ⴀ੗‫ݞ‬ ኹገ࣑ഗᅜ‫گ‬๼෇‫ۉ‬ᇸࡆഔ‫ۯ‬ăኄᄣLjሞူᆴ ADuM5010‫׈‬๬ൽ‫ۉ‬ኮമLj๼෇‫ۉ‬ᇸ੗ᅜᆶၳ؊‫ۉ‬ă 6. ඇ௬߰૗ණኤăఇ੷‫ڦ‬ૌ႙֪๬ᄲ൱੗ᅜই‫گ‬Ljժ൐੗ ᅜၩ‫ׂิأ‬೺क़‫ڦ‬ሞ၍֪๬ă Page 113 ঳ஃ ኍ‫ܠٷܔ‬ຕPLCᆌᆩยऺ‫ڦ‬ఇె‫ߌد‬ഗথ੨Ljᆌᆩ้Ⴔᄲ ‫ܔ‬ຕጴཚ႑ࢅ‫ۉ‬ᇸ৊ႜ߰૗ăഄࠀ୲຤ೝ‫گ׉ݥ‬Lj‫گ‬ᇀ‫ٷ‬ և‫ݴ‬DC-DCገ࣑ഗᅜߛၳ୲ࢅ੗ᇨ֪‫ݛ‬๕ኟ‫߾׉‬ፕ‫ݔڦ‬ ྷăփࡗLjঢ়ࡗ৛௢ۙবժ՗၄ଆࡻ‫ۉڦ‬ᇸ‫ܔ‬থ੨‫׉ݥ‬ᆶ ᅮă߰૗๕ႊೌपገ࣑ഗADuM5010‫׉ݥ‬๢ࢇ߰૗ఇె๼ ෇‫ڦ‬ᄲ൱Ljࠀࡼ150 mWLjժ༵ࠃᅃӯኻᆶߛࠀ୲DC-DCገ ࣑ഗ֍ਏԢ‫ڦ‬༬Ⴀፇࢇăሞࠀ୲ᇑ߰૗ຕ਍ཚ‫ڢ‬၎঳ࢇ‫ڦ‬ ဣଚഗॲዐLjُഗॲ๟ৈ༵ࠃࠀ୲‫ڦ‬႙ࡽăADuM521xມ ຕ਍ཚ‫ڢ‬ഗॲኧ‫׼‬ຕ਍থ੨ण‫ׯ‬Ljܸٗবู߸‫ܠ‬੣क़ă޿ ဣଚ࣏ॽीჄླྀ‫ߛ߸؜‬ཚ‫ڢ‬ຕഗॲLjᅜՍ߾‫ײ‬฾ኻႴ৊ႜ टณ‫ڦ‬ยऺ߾ፕ৽ీҾඇ൐ൟ຿‫ں‬ᆌᆩ‫ۉ‬ᇸă MS-2411 ፕኁ०঻ Mark Cantrell๟ADIࠅິiCouplerຕጴ߰૗ഗևோ‫ڦ‬ᆌᆩ߾ ‫ ײ‬฾ ă ໱ ‫ ڦ‬ጆ ᄽ ଶ ᇘ ๟ iCouplerຕ ጴ ߰ ૗ ׂ ೗ Lj Ԉ ઔ isoPower®߰૗‫ۉ‬ᇸഗॲࢅI2CĂUSB߰૗ഗ‫ڪ‬ཚ႑ጺ၍ഗ ॲă໱࣏޶ሴ໯ᆶiCouplerຕጴ߰૗ഗׂ೗‫ڦ‬ऐࠓҾඇණ ኤăMarkᆛᆶெࡔᆇ‫ڼ‬Ҿభ‫ٷ‬ბ࿿૙ბຬ๗ბ࿋ă૴ဣ‫ݛ‬ ๕ǖmark.cantrell@analog.com One Technology Way t P.O. 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TA11192sc-0-11/12 Page 114 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2569 ᅅଐॳ੃ᆌᆩዐ‫ۉڦ‬ᇸ࠶૙ ፕኁǖFrederik DostalLjADIࠅິ౹ዞ‫ں‬൶‫ۉ‬ᇸጆॆ փཞ‫ڦ‬ᅅଐॳ੃ᆌᆩ‫ۉܔ‬ᇸ࠶૙঴ਦ‫ݛ‬ӄ‫ڦ‬ᄲ൱ᄺփ৑၎ ཞă৽‫ۉ‬ᇸ࠶૙ܸჾLjᅅଐ健康๟ᅃ߲ๆ‫ݴ‬ᆶᅪາ‫ڦ‬๨ ‫ׇ‬ă໚඗ᅅଐॳ੃ׂ೗‫ڦ‬ยऺዜ೺‫׊׉ݥ‬Lj‫ߛڍ‬຤ೝ‫ظڦ‬ ႎኟሞփ܏஢ፁႎ႙ᅅଐॳ੃‫ۉ‬ጱׂ೗Ⴔ൱ăኄၵ‫ظ‬ႎׂ ೗փৈ‫༺پ‬କ৹ᆶยԢLj࣏቞ଶକႎ‫ڦ‬๨‫ࢅׇ‬ᆌᆩLjኄၵ ᆌᆩଶᇘሞब౎മชփ٪ሞăԨ࿔ॽ༪ஃ຺߲փཞ‫ڦ‬ᅅଐ ॳ੃ᆌᆩଶᇘă໲்๟ॆབྷᅅଐॳ੃Ăᅏഗᅏ՗Ăթට॔ ࢺࢅ‫ׯ‬ၟᆌᆩăԨ࿔ॽኍ‫ܔ‬௅߲ଶᇘ‫ݴ‬՚༪ஃ‫ۉ‬ᇸ࠶૙঴ ਦ‫ݛ‬ӄă ॆབྷᅅଐॳ੃ ሞॆབྷᅅଐॳ੃‫ݛ‬௬ᆶ‫ٷ‬ଉ‫ڦ‬ยऺํ७ăඇ൰઻ମࣅĂփ ܏጑‫ڦٷ‬ঢ়ष૰ଉᅜत‫ظ‬ႎྺॆབྷᅅଐॳ੃ଶᇘ‫ټ‬ઠକႹ ‫ܠ‬ඇႎᆌᆩă‫ܔ‬թටܸჾLjࡻ‫ت‬๟߸ߛ‫ڦ‬ଳऄႠĂ߸ࡻ‫ڦ‬ ‫ޜ‬ခᅜतᆶྭ३ณ৽ᅅْຕă໚඗ॆབྷᅅଐॳ੃๨‫ׇ‬ራᅙ ٪ሞLj‫ڍ‬ፌৎ֍ᆥ၄‫؜‬ሁઠሁံ৊‫ڦ‬௬ၠၩ‫ݯ‬ኁ‫ڦ‬঴ਦ‫ݛ‬ ӄăኄૌ঴ਦ‫ݛ‬ӄ‫ڦ‬๖૩ᆶǖሏ‫ࢺ॔ۯ‬ᅏĂეუ॔ࢺᅏᅜ त႐୲॔ࢺᅏăଷྔLjՍၻ๕ეᅂ‫ݴ‬ဆᅏࢅஞճეᄟᅏဣ ཥᄺ৊෇‫ॆৃړ‬བྷᅅଐॳ੃ଶᇘă ٗ‫ۉ‬ᇸ࠶૙ঙ‫݀؜܈‬LjᆯᇀՍၻႠ๟ՂႴ‫ڦ‬Lj໯ᆶኄၵဣ ཥ‫ۼ‬Ⴔᄲߛण‫܈ׯ‬ăኈኟՍၻ‫ׂڦ‬೗֑ᆩ‫ۉࠃ׾ۉ‬Ljᅺُ ᄲ൱ဣཥਏᆶߛ‫ۉ‬ᇸၳ୲ăሞኄૌᆌᆩዐLjড‫ࡼࠀڦگ‬੗ ჽ‫׊‬ഗॲ‫߾ڦ‬ፕ้क़Ljܸ࿮Ⴔ؊‫ۉ‬ई߸࣑‫׾ۉ‬ăፌࢫLj‫ׯ‬ Ԩᄺ๟࢔ዘᄲ‫߭ࡀڦ‬ኸՔă໚඗ሞഄ໱ᅃၵᅅଐॳ੃ᆌᆩ ዐLj‫ۉ‬ᇸ࠶૙঴ਦ‫ݛ‬ӄ‫ׯڦ‬Ԩ੗ీփ๟ፌዘᄲ‫߭ࡀڦ‬Lj‫ڍ‬ ‫ॆܔ‬བྷᅅଐॳ੃໲࢔ዘᄲă‫ׯ‬Ԩሀຐደॷ‫ྺׯ‬ၩ‫ۉݯ‬ጱ๨ ‫ڦׇ‬༬‫ۅ‬ă ཮1. Սၻ๕‫ۉࠃ׾ۉ‬႙ॆབྷᅅଐॳ੃ഗॲ‫ۆڦ‬႙‫ۉ‬ᇸ૾ ཮1၂๖֑ᆩᯜ૗ጱ‫ڦ׾ۉ‬؊‫ۉ‬ဣཥ‫ۉڦ‬ᇸ૾ă޿‫ۉ‬ᇸॐ ࠓ ੗ ඓ ԍ ‫ ۉ‬ୟ ‫ ڦ‬గ ၵ և ‫ ݴ‬੗ ᅜ ཚ ࡗ ޶ ሜ ਸ ࠲ ࠲ Կ (ස ADP190)Lj ܸ ྺ ํ ้ ้ ዓ (RTC)ࠃ ‫ ڦ ۉ‬ഄ ໱ ‫ ۉ‬ୟ (ස ADP160)๔ዕਸഔăਸഔ้LjADP190ਏᆶ‫گ‬ᇀ2 μA‫ڦ‬থ‫ں‬ ‫ୁۉ‬LjܸADP160ሞ੣ሜ้ৈၩࡼ‫ٷ‬ሀ560 nA‫ۉڦ‬ᇸ‫ୁۉ‬ă ኄᄣ੗ॽ‫ڦ׾ۉ‬ᆦ৳‫ۉݣ‬ԍ‫׼‬ሞፌ‫گ‬຤ೝă ADP2140๟ᅃ੼ߛ‫܈‬ण‫ڦׯ‬ইუਸ࠲࿘უഗLjದࢇ၍Ⴀ࿘ უഗ๑ᆩă޿‫ۉ‬ᇸ࠶૙‫ڇ‬ᇮ੗বู੣क़ࢅ‫ׯ‬Ԩă ‫ܔ‬ᯜ૗ጱ‫׾ۉ‬؊‫้ۉ‬Lj੗֑ᆩߛप‫׾ۉ‬؊‫ۉ‬঴ਦ‫ݛ‬ӄLjස ADP5065ă޿ഗॲ๟ᅃ੼टྺߛၳ‫ڦ‬ਸ࠲ఇ๕؊‫ۉ‬ഗLjᆯ ᇀਏᆶႹ‫ٱܠ‬ဃॠ֪ࢅҾඇࠀీLjᅺُ༬՚๢ࢇᅅଐᆌ ᆩă޿঴ਦ‫ݛ‬ӄྜඇ‫ࢇޙ‬USB 2.0ĂUSB 3.0ࢅUSB‫׾ۉ‬؊‫ۉ‬ ࡀ߭1.1Lj੗ཚࡗmini-USB VBUSᆅগ഻ٗՄ؊‫ۉ‬ഗĂ‫כ‬ሜ ؊‫ۉ‬ഗईUSBዷऐ‫܋‬੨৊ႜ؊‫ۉ‬ă ཮2. ֑ᆩ‫ڇڇ‬ᇮॢႠ‫ྺ׾ۉ‬Սၻ๕ᅅଐॳ੃ဣཥࠃ‫ۉ‬ Page 115 MS-2569 గၵৈࠃ‫܌‬೺๑ᆩ‫ׯگڦ‬ԨՍၻ๕ᅅଐॳ੃ဣཥ੗ీࣷྷ ජփ੗؊‫ॢڦۉ‬Ⴀ‫ܸ׾ۉ‬ยऺă၎Բ‫׉‬९‫ڦ‬ມ‫ۉࠃ׾ۉ‬Lj ๑ᆩ‫ڇ׾ۉڇ‬ᇮሞዘଉࢅ‫ׯ‬Ԩ‫ݛ‬௬߸ᆶᆫ๞ă‫ॢڇ‬Ⴀ‫׾ۉ‬ ဣཥ௬ଣ‫ڦ‬వ༶๟‫ۉ׾ۉ‬უ‫ྷݔ‬ৈྺ0.8 V዁1.5 Văྺକ‫ܔ‬ ‫ۉ‬ጱยԢࠃ‫ۉ‬LjႴᄲీᅜߛీၳገُ࣑ૌ‫گ‬๼෇‫ۉ‬უ‫ืڦ‬ უ࿘უഗă཮2၂๖֑ᆩADP1607ፕྺ๯߲‫ۉ‬ᇸገ࣑օየ ‫ڦ‬ᆌᆩă޿‫ۉ‬ୟీׂิ3.3 V‫ۉ‬უLj஢ፁ‫ٷ‬և‫ݴ‬ဣཥᄲ൱ă ᅏഗᅏ՗ ᅏഗᅏ՗‫ݛ‬௬‫ڦ‬๖૩ᆌᆩᆶǖეᅂ‫ݴ‬ဆᅏĂཪဆᅏࢅଣ‫ض‬ ኑ܏ยԢă ᅏഗᅏ՗ยԢཚ‫ݥྺ׉‬Սၻ๕ยԢăኄૌᆌᆩ‫ۉڦ‬ᇸ࠶૙ ᄲ൱փၟ“ॆབྷᅅଐԍॳ”և‫ݴ‬ఫᄣ๴ዮ‫ܠ‬ᅺ໎၌዆ăᅏഗ ᅏ՗ଶᇘཚ‫׉‬ᆶ؊ፁ‫ీۉڦ‬Ljᅺُփᆩ‫څ‬႐‫ۉ‬ᇸၳ୲ă໚ ඗ߛण‫܈ׯ‬࿮ᅑ‫ܔ‬ဣཥᆶӻዺLj‫ڍ‬ኄժ‫ݥ‬๯ᄲ੊୯ᅺ໎ă ᅏഗᅏ՗ᆌᆩཚ‫׉‬ዘ๫‫گ‬ሯำႠీăਸ࠲࿘უഗࢅ၍Ⴀ࿘ უഗՂႷਏᆶट‫ڦگ‬ሯำLj֍ీ৊ႜटߛ৛‫֪ڦ܈‬ଉă ཚ‫֑׉‬ᆩᆀဩ႙AC-DC‫ۉ‬ᇸׂิᅃ߲ई‫߲ܠ‬ዐक़‫ۉ‬უăໜ ࢫLjኄၵ‫ࡆۉ‬ᆩᇀׂิ߸‫ۉڦگ‬უă ᅎLjᅜՍፌ‫ں܈ײٷ‬ই‫گ‬๼෇၍ୟฉ‫ڦ‬ሯำLjժ๑ᆩၭ๼ ෇‫ۉ‬ඹăᅃ߲‫܀‬༬‫ڦ‬༬Ⴀ๟ଇ߲ਸ࠲࿘უഗీᅜଷྔଇ߲ ࿘უഗਸ࠲ೕ୲‫ڦ‬ᅃӷሏႜăኄᄣ੗ᅜԍ‫׼‬ᅃ߲੗ᇨ֪‫ڦ‬ ‫گ‬EMI൸၍Ljཞ้ሎႹ‫ࡆۉ୲ࠀگ‬ᅜডߛ‫ڦ‬ਸ࠲ೕ୲߾ፕLj ժሞߛࠀ୲‫ࡆۉ‬ฉ๑ᆩড‫ڦگ‬ਸ࠲ೕ୲ᅜइ‫ڥ‬ፌߛၳ୲ă ፌࢫLj༵ࠃI2Cথ੨Ljᅜ‫ۯ‬ༀ‫߀ں‬Վ๼‫ۉ؜‬უĂॠֱႊೌ࿒ ‫܈‬Ăยዃփཞཚ‫ڦڢ‬၎ᅎĂ๼‫ۉ؜‬ᇸଆࡻኸ๖Ljժ๑ీ‫ڇ‬ ߲ཚ‫ڢ‬ăኄၵࠀీᆶዺᇀ዇ీᅏഗᅏ՗ဣཥ॔๫ࢅ੦዆‫ۉ‬ ᇸ࠶૙ă թට॔ࢺ ُૌဣཥ‫ۼ‬๟ଣ‫ض‬ᆌᆩă੗ᅜᆩᇀ֪ଉეუLjᄺ੗ᆩሞ႐ ‫(཮ۉ‬ECG)ࢅஞճეᄟᅏဣཥዐă‫ۉ‬ᇸ࠶૙ཚ‫֑׉‬ᆩ၍ୟࠃ ‫ۉ‬Ljᅺُኻᄲ‫ت‬૙ࡻොඤLjీၳ৽փ‫ٷ‬ዘᄲăኈኟዘᄲ‫ڦ‬ ๟੗੍ႠĂ‫؜‬ᇀҾඇణ‫߰ୁۉڦڦ‬૗ᅜत‫گ‬ሯำăྺକሺ े੗੍ႠLjᆶ้Ⴔ༵ࠃԢᆩ‫׾ۉ‬ă‫ړ‬թටገᅎ‫ڟ‬փཞ‫ڦ‬ᅅ ᇾበ‫้ۅ‬LjԢᆩ‫׾ۉ‬ᆶዺᇀ༵ࠃփक़܏‫ิڦ‬ం༹ኙ॔ࢺă ߰૗Ⴔᄲ‫ࢇޙ‬ፌჹ߭‫ڦ‬ᅅଐҾඇՔጚLjनIEC 60601-1ă֑ᆩ iCouplers®रຍ‫ڦ‬ຕጴ߰૗ഗኟሞ‫࠼༺پ‬᳘ࢇഗLjܸ߰૗ྜ ኝႠྜඇփ๴ᆖၚăኄᅃ൵๞‫ڦ‬ᆫ๞๟Ն௨࠼᳘ࢇഗ‫઻ڦ‬ ࣅၳᆌᅜइ‫׊ڥ‬೺੗੍ႠLjཞ้ሞᅃ߲‫ހ‬ጎዐण‫ׯ‬փཞ‫ڦ‬ ӷ‫ీࠀ༹ڞ‬LjසUSBĂI2Cࢅ‫ۉ‬ᇸ࠶૙ਸ࠲࿘უഗăኄၵഗ ॲ੗ᅜሺഽਨᇹLjժ੗‫׶‬๴IEC 60747-5-5Քጚࡀۨ‫ڦ‬10 kV ષᆥăiCouplerׂ೗֑ᆩႊೌपՎუഗLjᇑ࠼᳘ࢇഗࢅए ᇀ‫ۉ‬ඹ‫ڦ‬ຕጴ߰૗ഗ၎Բਏᆶ‫׉ݥ‬୛Ԁ‫ࠌڦ‬ఇຨՎੇඡ ‫܈‬ă཮4၂๖ߌႠ߰૗߁౒ă཮ዐᆶଇ߲‫ߌۉ‬Ljዐक़ྺ߰૗ ቆLjᆯ਋ḅჱӃĂܾᄟࣅࡂ(SiO2)ईૌຼ‫߰ڦ‬૗֌ଙፇ‫ׯ‬ă ཮3. ༵ࠃ‫ۉܠ‬უࢅI2C૶থႠ‫ྲڦ‬႙‫ۉ‬ᇸ࠶૙‫ڇ‬ᇮ ཮3၂๖‫ڦ‬๟ᅃ߲ྲ႙PMU(‫ۉ‬ᇸ࠶૙‫ڇ‬ᇮ)ăኄ੼ADP5050 ֑ᆩઠጲAC-DC‫ۉ‬ᇸ‫ڦ‬12 V‫ۉࠃࡆۉ‬ă޿PMUण‫຺߲ׯ‬ਸ࠲ ࿘უഗᅜतᅃ߲၍Ⴀ࿘უഗă໚඗༹ओ৆ٙLj‫ڍ‬໲ण‫ׯ‬କ ࢔‫ܠ‬૙ၙࠀీă‫߲ڇ‬ইუ࿘უഗ‫ڦ‬ਸ࠲ೕ୲৊ႜཞօࢅ၎ ཮4. ੵሁ߰૗ቆ‫ߌڦ‬Ⴀຕጴ᳘ࢇ߁౒ Page 116 ཮5၂๖ण‫ׯ‬isoPower®ࠀీ‫ۆڦ‬႙iCouplerഗॲăisoPowerփ ৈీཚࡗ߰૗ቆ᳘ࢇ႑ࡽLj࣏ీ৊ႜ‫ۉ‬ᇸ᳘ࢇăADuM540x ੗༵ࠃፌߛ‫ٳ‬500 mW‫ڦ‬ጺࠀ୲ă‫أ‬କ‫ۉ‬ᇸ᳘ࢇྔLjႊೌ࣏ ీण‫ׯ‬ፌ‫຺߲ܠ‬ຕ਍᳘ࢇཚ‫ڢ‬ă཮6၂๖ྲႊೌ‫ހ‬ጎా‫ڦ‬ ဣཥቷೌă ཮5. ᆩisoPowerํ၄‫ୁۉ‬ਨᇹ‫ڦ‬iCouplerቷೌ MS-2569 ‫ۉ‬ᇸ࠶૙‫ݛ‬௬ᆶଇ߲൵๞ăዮසMRIࢅPET‫ٷڪ‬႙ဣཥट ྺࡼ‫ۉ‬LjႴᄲ࢔‫ݴܠ‬ք๕‫ۉ‬ᇸăኄၵ‫ۉ‬ᇸᄲ൱༬ۨ຤ೝ‫ڦ‬ ၳ୲ᅜՍොඤă ሞ‫ׯ‬ၟᆌᆩዐLjඪࢆૌ႙‫ڦ‬ဣཥሯำ(Ԉઔਸ࠲ሯำฯ዁ LDO๼‫ۉ؜‬უሯำ)‫ۼ‬ᆶ੗ీ‫؜‬၄ሞፌዕ཮ၟዐă੗ీ՗ ၄ྺ཮ၟዐ‫׉‬९‫ڦ‬ဃֶ၍Ljᆶ้ᄺ՗၄ྺ‫ܔ‬Բ‫܈‬Ă෥֒ई ࣨ‫ڪ܈‬पዊଉ‫ူڦ‬ইă ‫ۉ‬ᇸ੗ీࣷᆖၚ཮ၟॠ֪ई཮ၟ၂๖‫ۉ‬ୟăැሞ‫ׯ‬ၟဣཥ ዐଇኁ‫ۼ‬๴ᆖၚLjሶፌዕ཮ၟዊଉॽՎ‫ڥ‬࿮݆থ๴ăᆶၵ ᅅଐ‫ׯ‬ၟยԢ዆ሰฆሼ๑ᆩ‫ۉ‬ᇸ࠶૙ఇ੷Lj‫ڍ‬ፌዕ‫ݣ‬ച କă໚඗ዷᄲࡀ߭ᆶԍኤLj‫ํڍ‬ा‫ڦ‬EMIႠీඐ࿮݆‫ڟڥ‬ ԍኤă‫ۉܔ‬ᇸఇ੷‫ײࡗׂิڦ‬ፕ‫؜‬ፌൟྲ‫߀ڦ‬Վ‫ۼ‬੗ీሰ ‫཮ׯ‬ၟዊଉ‫ݛ‬௬‫ڦ‬࿚༶ăྺइ‫ߛ߸ڥ‬຤ೝ‫ڦ‬੦዆Ljྜඇᆯ ᅅଐॳ康‫ׯ‬ၟยऺࠅິਸ݀‫ݴ‬૬๕‫ۉ‬ᇸยऺժ৊ႜิׂ੗ ీ๟߸ࡻ‫ڦ‬ፔ݆ă ঳ஃ ሞᅅଐॳ੃ᆌᆩዐLjփཞᆌᆩଶᇘ‫ۉܔ‬ᇸ࠶૙‫ڦ‬ᄲ൱‫ٷ‬၎ ০བྷă࿢்༪ஃକ߲߳ଶᇘዐ༬ۨ঴ਦ‫ݛ‬ӄ‫ڦ‬ᄲ൱ăሞॆ བྷᅅଐॳ੃ଶᇘLj࢔‫ܠ‬঴ਦ‫ݛ‬ӄएᇀASSP(ጆᆩՔጚׂ ೗)LjईኁएᇀASIC(ጆᆩण‫ۉׯ‬ୟ)ăณଉᆌᆩ੗֑ᆩ၄‫ׯ‬ ‫ۉ‬ᇸ࠶૙‫ڇ‬ᇮՔጚăሞᅏഗᅏ՗Ăթට॔ࢺࢅ‫ׯ‬ၟᆌᆩଶ ᇘLj‫ۉ‬ᇸ࠶૙঴ਦ‫ݛ‬ӄॽ৊ᅃօᆫࣅLjᅜದࢇ‫ߛג‬৛‫܈‬႑ ࡽୟ০ᇮॲă ፕኁ०঻ Frederik Dostal৽‫܁‬ᇀ‫ࡔڤ‬үܻનߵ‫ٷ‬ბྲ‫ۉ‬ጱბጆᄽă໱ ᇀ2001౎े෇‫ۉ‬ᇸ࠶૙ᄽခևோLjሼ‫څ‬ඪ߳ዖᆌᆩ߾‫ײ‬฾ ኰ࿋Ljժሞჱ૧ෝఫዝ‫߾׭࣡ލ‬ፕକ4౎Lj޶ሴਸ࠲ఇ๕ ‫ۉ‬ᇸă Frederikᇀ2009౎े෇ADIࠅິLj၄‫څ‬ඪ౹ዞ‫ں‬൶‫ۉ‬ ᇸጆॆă ጀ๥ ཮6. ᆩisoPowerยዃiCouplerຕጴ߰૗ഗ ‫ׯ‬ၟ ‫ׯ‬ၟᆌᆩ૦๏৳ᇺăኄᅃଶᇘ໯ൽ‫ڦڥ‬৊օସට༒ྺ࠵ ኹăׂ೗ཷ‫ܓ‬Ԉઔ‫ג‬ำĂCT(ऺ໙ऐ܏֫)ĂຕጴXพ၍Ă MRI(‫ࠌى‬ና‫ׯ‬ၟ)ࢅPET(ኟ‫ۉ‬ጱ݀พ܏֫෢௮)ă One Technology Way t P.O. 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TA11947sc-0-11/13 Page 117 www.analog.com/cn ©2013 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . ॆབྷᅅଐॳ੃‫ۉ‬ጱׂ೗ዐҾඇ ߰૗‫ڦ‬࿄ઠ݀ቛ ፕኁǖMark CantrellLjADIࠅິᆌᆩ߾‫ײ‬և ాඹ༵ᄲ ‫ׄأ‬ഗ‫݀ڦ‬ቛ૦‫ײ‬ত๖କᅅଐॳ੃‫ڦ‬࿄ઠ‫ݛ‬ၠăኄၵీࠕ ྞ৸ิం‫ڦ‬หആ‫ߛڦ‬੔रׂ೗Ljब౎മኻ‫؜‬၄ሞ৸ࢺ‫כ‬Ă ᅅᇾዐLjႴᄲঢ়ࡗ༬๺ჟଁᅜतጆᄽ‫ڦ‬ᅅଐॳ੃ටᇵ๑ ᆩăᆶၵටᅜࣉᅑ‫ڦ‬ణ࠼ጀ๫ጣ‫ׄأ‬ഗăၙၡᅃူLjසࡕ ᆶཞ๚཭඗࿶ዿႤ੨‫ڛ‬ሞ‫ں‬ฉLj࿄ঢ়ჟଁ‫ڦ‬ᇵ߾ࣷሹ஺ ፔǖԦၠ࢈ጱLj‫ٶ‬ໟի૱Ljጃഐ“੺໏෇ோኸళ”Lj‫ں੺ݧ‬ ៓બ࿔ጴLjକ঴߳ዖ૶থĂ੦዆ࢅᇨ‫ٯݞ‬แăཞ้Ljթට ࣏ሞ‫ں‬ฉඨ๴ጣթས‫ڦ‬ችఉăኄ้໱‫ڦ‬స࡛ዐ෻ࡗᅅଐਗ ዐ࿮ຕ߲ဥਗࣅ‫ׇڦ‬ৠ——ᅅิईࢺ๗ሞጲमวฉ‫ׄأ‬Lj ܸփ๟ሞթටวฉă၄ํժுᆶఫ஺ဥਗࣅLjᅅଐरຍໜ ࿢்૗ਸᅅᇾLjጽ৊କ߾ፕ‫ׇ‬໯ࢅॆབྷă ߾ፕ‫ׇ‬໯ዐ‫ׄأڦ‬ഗ ኄၵ‫ׄأ‬ഗํाฉ༵ࣷࠃᇕᅼࢅ཮ႚ‫ݛ‬๕‫ڦ‬ኸ‫ڞ‬Lj๑‫ڥ‬ᅃ ߲ٗઠுᆶᆩࡗኄዖऐഗ‫ڦ‬ᆩࢽీࠕኟඓ‫ں‬๑ᆩ॔ࢺᅏࢅ ‫૴ڞ‬ਸ࠲ăऐഗໜࢫࣷፔ‫؜‬ಒ܏Ljਦۨแे‫ܠ‬ณ‫ీۉ‬ሞթ ටวฉLjཞ้Ն௨ႎ๮֡ፕටᇵฅ࡞‫ڟ‬ጲमईས੮‫ڦ‬թ ටă‫ړ‬EMT‫ٳڟ‬၄‫ࢫׇ‬Lj৽ీথฉ‫ׄأ‬ഗժူሜ‫ئ‬٪‫ڦ‬ຕ ਍LjᅜՍ‫࣮ټ‬ᅅᇾࠃᅅิֱੂ‫ݴ‬ဆă ᅅଐॳ੃ࢆඁࢆٗ ኄ߲ࠤ๚ຫ௽କरຍ‫ࠀׯڦ‬ኮ‫ت‬Ljᅜत௬ଣ‫ڦ‬཈቟ăᅅଐ ยԢॽփም၌ᇀଣ‫ض‬ᆌᆩLjܸ๟ሁઠሁ‫ںܠ‬ጽ৊ට்‫ڦ‬න ‫ิ׉‬ऄăኄၵยԢԈઔǖॳ੃‫ޤ‬ዺጎዃ(ස๮ऐዐ‫ڦ‬ਸ਼ୟ૛ ऺ໙ഗᆌᆩ‫ײ‬Ⴞईಞօऐฉ‫ڦ‬႐୲॔ࢺᅏ)Ăྼ‫ิ׼‬ం‫ڦ‬ᄱ ࿿๼ᅂԭĂ‫׊‬೺ิం༹ኙ॔੦ऻ୤Ă৆थዎଐยԢ(ස‫ׄأ‬ ഗ)ăྺକඟᅅଐ॔ࢺࢅᆩᄱጽ৊ॆབྷLjኄၵยԢॽਏԢᅜ ူ༬Ⴀǖ रຍ࿔ቤ MS-2425 1. Սၻǖၭേ൐ࠀࡼ‫گ‬Ljฯ዁ฉକ౎ु‫ڦ‬թට‫ۼ‬փࣷණྺ ໲்๟ે጖ă 2. ዇ీǖ૧ᆩ༵ࠃ‫ࢺ॔ڦ‬႑တీࠕඓණದዃኟඓLj੗ᅜྜ ‫ׯ‬ణՔඪခLjईኁ༵ႝ૬ਗ਼࠲ጀă 3. Ҿඇǖ໲்ՂႷยऺྺਏᆶ‫ڪ‬ཞᇀᅅᇾዐ๑ᆩ‫ڦ‬ড઻ׂ ೗႙ࡽ‫ڦ‬ҾඇႠLjཞ้ᆼీࠕඟට࿮Ⴔথ๴ಢჟन੗๑ ᆩă 4. ૶থǖ੗ൟ຿Պ‫ײ‬Ă߸ႎࢅ‫؜܁‬ຕ਍ăኄၵยԢՂႷీ ࠕᇑ‫ݥ‬ᅅଐยԢํ၄থ੨(සฆᆩ૴ྪऺ໙ऐ)LjᅜՍᇑ ᇺ‫ײ‬ᅅଐऐࠓཚ႑ă ҾඇႠ ᅅଐॳ੃ยԢ‫߫ڦ‬ႎᄲ൱߸े࠲ጀҾඇႠLjܸ൐࠲ጀ‫܈ײ‬ ີࡹփჱᇀ၄ሞᅅᇾ૛๑ᆩ‫ۉڦ‬ጱยԢăҾඇႠԈઔ࢔‫ܠ‬ ‫ݛ‬௬ǗยԢՂႷీࠕጲ࿢ኑ܏૶থ๟‫ޏ‬ኟඓLjᅜतթටጒ ઄සࢆăยԢՂႷీࠕፆኹ๑ᆩփ‫ړ‬ईܱᅪٟ߀ă‫؜‬ᇀᆆ ຳ‫ݛ‬௬‫ڦ‬ᄲ൱LjՂႷᅜҾඇ‫ݛڦ‬๕ԍ٪ࢅ‫د‬๼թටጨଙă ࣏ᄲ൱ਏᆶ‫ۉ‬ഘҾඇႠLjᅺُᇑ‫ݥ‬ᅅଐཚ႑ยԢईഄ໲ॆ ᆩ‫ۉ‬ഗ૶থ้Ljߛუईႅ୑‫ୁۉ‬փࣷୁ෇ට༹ă‫ۉ‬ഘҾඇ Ⴀሞ࢔‫܈ײٷ‬ฉ‫ۼ‬ཚࡗ߰૗ઠԍኤă߰૗ፆ܏ዷ‫ۉ‬ᇸईഄ ໲ᅅଐยԢ(ස‫ׄأ‬ഗ‫ۉߛิׂڪ‬უ‫ڦ‬ยԢ)‫ڟ‬ยԢ‫ۉ‬ᇸ‫ڦ‬ ‫ۉ‬ഘୟ০ăԨ࿔‫ڦ‬ഄᇆև‫ॽݴ‬ຫ௽සࢆํ၄ᅅଐยԢ૶থ ‫ڦ‬Ҿඇ߰૗Ljዘ‫ۅ‬༪ஃఫၵᆩᇀ‫ݥ‬ଣ‫ڦူৣ࣍ض‬൧઄ă ሞᅅଐᆌᆩዐLjթට༬՚ඹᅟ๴‫ۉڟ‬ጱยԢ‫ڦ‬ᆖၚăሞೄ ‫ޒ‬ኄᅃԍࢺ֫ኮူ‫ڦ‬ට༹޷ࡤᆯეᅂࢅဦԇዊፇ‫ڦׯ‬ჸ ຤ăჸ຤๟ଆࡻ‫༹ڞۉڦ‬Ljܸೄ‫ޒ‬ሞ߅ሳ‫ࢪ้ڦ‬ሶ๟ଆࡻ ‫ڦ‬ਨᇹ༹ă๬཮॔੦ට༹ాև൧઄‫ڦ‬ᅅଐยԢLjഄ‫ٷ‬௬ओ ‫ۉڦ‬टࢅ‫ۉڞ‬ঌࣷই‫گ‬ೄ‫ޒ‬ፆੇăᇀ๟Ljኄၵ‫ۉ‬ጱยԢ‫ڦ‬ ඪࢆ‫ݥ‬ᇨ೺႑ࡽඹᅟׂิ‫ୁۉ‬Ljୁঢ়թටว༹Lj೦࣋หঢ় ဣཥժᆖၚ႐ሤ‫ڪ‬ഗ࠳‫ڦ‬क඾ăยऺਏᆶ‫ۉ‬ഘҾඇႠ‫ۉڦ‬ ጱยԢ้Ljኄၵዘᄲ‫ۉڦ‬ഘҾඇႠᄲ൱Ս๟IEC60601ᅅଐ ҾඇՔጚዐ‫ڦ‬ᅃև‫ݴ‬ăฯ዁ၟሏ‫ۯ‬ഗႁฉ‫ڦ‬႐୲ᅏ‫ੂڪ‬ฉ ඁ‫׉ݥ‬೵ཚ‫ڦ‬ᆌᆩLjᄺՂႷ‫߰ࢇޙ‬૗ࡀ‫ݔ‬LjᅜԍኤҾඇ ႠăఫၵႠంᎸ࠲‫ڦ‬ยԢሶՂႷ‫߸ࢇޙ‬ჹ߭‫ڦ‬Քጚă Page 118 MS-2425 ԍࢺยԢփ๴ᆶ࡞‫ۉ‬ᇸᆖၚժ੦዆থ‫ں‬ ‫ۉ‬ጱยԢዐፌዷᄲ‫ݥڦ‬ᇨ೺႑ࡽઠᇸ๟‫ྪۉ‬ăᅅଐᆌᆩՂ Ⴗీࠕፆ߰50 Hz዁60 Hz၍ୟฉ‫ڦ‬঍ୁႅ୑Ăૃऍ‫ڞ‬ዂ‫ڦ‬ຨ ՎĂਸ࠲ሯำᅜत၍ୟࠤቱཉॲăኄᅃ‫ۅ‬ժ‫ݥ‬ৈኍ‫ܔ‬ᅅଐ ยԢǗ‫ڍ‬๟ᅅଐยԢሞኄ‫ݛ‬௬‫ڦ‬ᄲ൱߸ჹ߭Ljժ൐ႅ୑຤ ೝൽਦᇀยԢᇑթට၎૶‫ݛڦ‬๕ă ยԢࢅթටኮक़‫૶ڦ‬থᅨႷ߰૗Ljᅜ‫ݞ‬թට๑ᆩ‫߲ܠ‬ᅅଐ ยԢ้LjยԢ๑ᆩഄ໲‫૶ڦ‬থፕྺଷᅃཉ࣮ୟLj‫ڞ‬ዂᅪଙ ྔ‫ୁۉڦ‬ጽၠăُྔLjසࡕթටీࠕথ‫૶ة‬থକ‫୍ٷ‬Ҿඇ থ‫ڦں‬ඪᅪยԢ(සॆᆩ‫ۉ‬ഗईূຌ‫ض‬ॐ)Lj‫ୁۉ‬ՂႷ࿮݆ ཚࡗఫཉୟ০ăኍ‫ܔ‬թට‫ڦ‬ਨᇹႴᄲᆩ‫ڟ‬ଇ߲‫܀‬૬‫ڦ‬ਨᇹ ဣཥLjईঢ়ኤ௽‫ڪ‬ཞᇀଇ߲ဣཥ‫ڇڦ‬ᅃဣཥăኄ‫ྺ׬‬ມዘ թටԍࢺ߰૗Ljई०‫׬‬2MOPPă వ‫ۅ‬ሞᇀ༵ࠃኍ‫ܔ‬ཚ႑ࢅॆབྷᅅଐยԢ‫ۉ‬ᇸ‫ڦ‬ҾඇႠăူ ௬ॽዘ‫ۅ‬༪ஃཚ႑থ੨ă ‫ۉ‬ጱยԢසࢆ‫߰ڟٳ‬૗ᄲ൱ ‫ۆ‬႙‫ॆڦ‬ᆩᅅଐॳ੃‫ۉ‬ጱยԢႴᄲᇑഄ໲ᅅଐยԢई၄ᆶ ‫ॆڦ‬ᆩ‫ۉ‬ጱยแ৊ႜཚ႑ă໲ᄲీࠕ‫ࢇޙ‬ᆆຳᇑҾඇᄲ ൱Ljԍኤ႑တփԥથপई೦࣋ă໲ᆌ‫ࢇޙړ‬IEC60601ࡀ‫ݔ‬ ዐ‫ڦ‬ႅ୑ࢅҾඇᄲ൱ăཚ‫ۉ׉‬ഘ૶থႴᄲ༵ࠃມዘթටԍ ࢺLjਏᆶ4 kV‫ۨܮ‬ఱ๴‫ۉ‬უᅜतट‫ڦگ‬ඹႠႅ୑ࢅ‫ׄأݞ‬ ‫ۨܮ‬Ⴀీă ‫݆ݛ‬ ஢ፁ‫ۉ‬ഘҾඇႠᄲ൱‫݆ݛڦ‬ᆶबዖă พೕཚ႑ ‫ڼ‬ᅃዖ‫݆ݛ‬๟ཚࡗพೕ૾ୟ(ස‫ࡼࠀگ‬ઢცईZigBeeՔጚ) ཚ႑Ljኄᄣ੗ྜඇՆ௨‫ۉ‬ഘ૶থăᅃ੼ਏᆶ‫ۉڞݥ‬Ⴀྔ੕ ‫ۉࠃ׾ۉڦ‬ᅅଐยԢन੗஢ፁ໯ᆶ‫߰ڦ‬૗ᄲ൱ăઢც‫ڦ‬ᆫ ๞๟‫ٷ‬և‫ݴ‬ԴऻԨ‫ۉ‬సࢅ዇ీ๮ऐ‫ࠃ༵ۼ‬ኄዖࠀీLjᅺُ ยԢీࠕ‫ܔ‬থLjํ၄ຕ਍ऻ୤ईᇺ‫ײ‬੦዆ăZigBeeথ੨Ⴔ ᄲ‫ڦྔܮ‬থ੨ᆘॲ֍ీํ၄ᇑ‫ݥ‬ᅅଐ૴ྪยԢ‫ڦ‬঍ࢻLjස ॆᆩ႙ԴऻԨ‫ۉ‬సăኄዖ‫ݛ‬๕‫׉ݥ‬๢ࢇຕ਍໏୲ড‫گ‬ժ൐ փ‫ݛ‬Ս૶থ‫ۉ‬၍‫ࢺ॔ڦ‬ᅏă พೕཚ႑‫ڦ‬Ձ‫܋‬๟ኄዖૌ႙‫૾ڦ‬ୟඹᅟ๴‫ڟ‬พೕᇸ‫߅ڦ‬ ඡLjժ൐ඹᅟሦ๴ܱᅪٟ߀ăᆯᇀ႑ࡽሞ੣ዐ‫د‬խLjᅅଐ ᆆຳ݆ᄲ൱‫ܔ‬ຕ਍৊ႜे௢ᅜ‫ݞ‬ຕ਍થপǗኄ‫ܔ‬ᇀ०‫ڦڇ‬ ยԢܸჾॽၩࡼ‫ٷ‬ଉ‫ڦ‬ᆌᆩጨᇸăॺ૬ኄૌ૶থ࣏ᄲ൱ਏ Ԣᅃۨ‫ڦ‬ኪ๎Lj‫ܔ‬ᇀ઻౎թටܸჾժփ๟࢔०‫ڇ‬ă໚඗พ ೕཚ႑‫ࢇޙ‬໯ᆶ‫ڦ‬Ҿඇࡀ‫ݔ‬Lj‫ڍ‬໲‫ڦ‬࿘ۨႠ๑ഄփ໿๢ࢇ ႠంᎸ࠲‫ڦ‬ᆌᆩă඗ܸLj࿮၍रຍਏԢ‫ڦ‬ᅎ‫ۯ‬Ⴀ๑ഄ‫ྺׯ‬ ࿄ઠ‫ڦ‬๯჋ཚ႑‫ݛ‬๕ă ֑ᆩኄዖ‫ݛ‬๕‫ڦ‬ᆌᆩԈઔాዃ॔ࢺᅏ‫ڦ‬ཌྷೌLjᅜतጲ‫ऻۯ‬ ୤ຕ਍‫ڦ‬ე༛ᅏăኄၵยԢփႴᄲ๔ዕԍ‫૶׼‬থᅜඓԍᆩ ࢽ‫ڦ‬Ҿඇă ऐႁ๕૴໮ ᆶ၍থ੨ፌ๢ࢇ‫ܔ‬ຕ਍ྜኝႠࢅ࿘ۨႠᆶ໯ᄲ൱‫ࢇׇڦ‬ă ຕ਍ీࠕᅜߛ໏‫د܈‬๼Ljժ൐बࢭփ٪ሞဃֶLjཞ้૶থ ࣏ీ༵ࠃ‫ۉ‬ᇸă‫׉‬ᆩ‫ڦ‬থ੨ྺUSBĂRS-232ᅜतRS-485ă ᆶ၍থ੨ፁࠕ࿘ۨ੗੍Lj੗ᆩᇀຕ਍ऻ୤Ă༵ࠃྼ‫ิ׼‬ం ᆌᆩዐ‫࠲ڦ‬॰੦዆႑တĂᅜतยԢ‫ڦ‬Պ‫߸ײ‬ႎăUSB๟ॆ ᆩ‫ۉ‬ጱׂ೗ྸᅃ‫ڦ‬Քጚথ੨LjසPCࢅ๮ऐă‫ڍ‬ኄዖথ੨Ղ Ⴗ‫ࢇޙ‬IEC60601‫ڦ‬ჹ߭߰૗ᄲ൱ă೵Փ‫ڦ‬ፔ݆๟ॽยԢย ऺྺ‫߰ݥ‬૗๕থ੨ৈሞยԢփᇑթටথ‫ీ֍้ة‬๑ᆩă૩ සLjUSB‫܋‬੨੗‫ݣ‬ዃሞ߃ӱူLj߃ӱ੗ሞยԢ߾ፕ้ፆ߰ USB૶থഗăኄૌยऺ‫ڦ‬ᆫ๞๟ॏ߭‫گ‬Lj‫ڍ‬ඍ‫ۅ‬๟փీํ ้॔੦Ljᅜतփ๢ࢇఫၵ࿮݆ൟᅟඁ‫أ‬ยԢᇑթටኮक़૶ থ‫ڦ‬ᆌᆩăᅺُLjኄዖ‫ݛ‬๕‫׉ݥ‬๢ࢇփႴᄲ‫׼‬Ⴤ૶থթට ‫ڦ‬ยԢLj‫ڍ‬փ໿๢ᆩᇀၟ๼ᅂԭ‫ڪ‬ኄૌ৊෇թට༹ా൐Ղ Ⴗሞଣ‫ူৣ࣍ض‬๑ᆩ‫ڦ‬ยԢă Page 119 ܸ၄‫ׇ‬ևຈ‫ׄأڦ‬ഗሶ֑ᆩଷᅃዖ‫ݛ‬๕‫ڦ‬ऐႁ๕૴໮ăኄ ၵยԢ੗኱থᇑഄྔ੕૴ྪLjᅃ‫ׄأڋ‬ഗԥ‫ݣ‬ዃሞՄ๕ྔ ੕ዐLj໲Ս૴ྪժ؊‫ۉ‬ăยԢࣷኴႜዜ೺ႠጲॠĂॠֱ‫ۉ‬ ‫׾‬ጒ઄ժཚࡗྪஏࣹԒጒༀຕ਍ă๑ᆩ‫ׄأ‬ഗ้LjՂႷॽ ഄ഻ٗՄฉൽူઠLjኄᄣࣷ܏ਸྪஏࢅ‫ۉ‬ᇸă ऐႁ๕૴໮‫ڦ‬ፌࢫᅃዖૌ႙๟੗ᅎ‫أ‬٪‫ئ‬ഗᇮॲăᇑຕஓ ၎ऐዐ‫ڦ‬SDਸ਼ૌຼLjຕ਍ႀ෇٪‫ئ‬ਸ਼Lj඗ࢫॽ٪‫ئ‬ਸ਼ൽ‫؜‬ ‫෇ݣ‬ଷᅃ߲‫܁‬ਸ਼ഗዐăፌࢫຕ਍ॽԥ‫د‬ໃ‫ڟ‬Ⴔᄲ‫ݛںڦ‬ă ኄ๟ፌ‫ݯ‬૰‫݆ݛڦ‬Ljᅺྺ੗ీփࣷᄲ൱թටඁፔኄၵ๚ ൧ă ߰૗থ੨ ํ၄ཚ႑ፌ੗੍‫ݛڦ‬๕๟๑ᆩᆶ၍߰૗থ੨ă໲ਏᆶᆶ၍ থ੨‫ڦ‬࿘ۨႠǗ࣏ీཚࡗాዃ‫߰ڦ‬૗๕DC-DCገ࣑ഗ༵ࠃ ‫ۉ‬ᇸă໲ኧ‫ߛ׼‬໏ฉ‫ူࢅد‬ሜLjժ൐ీሞยԢ૶থթට‫ڦ‬ ཞ้๑ᆩăᆶ၍থ੨փႴᄲ‫ܔ‬ຕ਍े௢Ljই‫گ‬କ‫ت‬૙ഗਸ ၨă෉ॲྼࢺᄺీሞยԢ߾ፕ‫ڦ‬ཞ้ྜ‫ׯ‬ă޿থ੨࣏੗ཚ ࡗยዃLjሞߛຕ਍໏୲ူํ၄ํ้ᇺ‫॔ײ‬੦LjԲසթටႴ ᄲ৊ႜ‫ࡀ׉‬ໜ‫้ݡ‬Ljᅅิ੗ᅜᇺ‫ײ‬इ‫ڥ‬ECGăኄၵথ੨‫ڦ‬ ߰૗‫د‬ཥฉᅈડ࠼᳘ࢇഗኮૌഗॲLj٪ሞ໏‫܈‬၌዆൐ण‫ׯ‬ ీ૰ডֶăሞႎ႙ᆌᆩዐLjᅅᆩपຕጴ߰૗ഗኟሞൽ‫࠼پ‬ ᳘ࢇഗLjփ٪ሞኄၵ၌዆ă MS-2425 Ԩ࿔“ऐႁ๕૴໮”և‫ڦڟ༵ݴ‬ཚ႑থ੨੗ཚࡗࢇ๢‫ڦ‬ຕጴ ߰૗ഗํ၄߰૗ă‫౎ܠ‬ᅜઠLjRS-232ࢅRS-485ᅃ኱๟߰૗ ๕ᅅଐཚ႑‫ڦ‬ዷᄲথ੨ૌ႙ă໲்ग़ඹADI‫ڦ‬ADuM2201 ‫ׂڪ‬೗Lj‫ࢇޙ‬IEC60601Քጚዐᆶ࠲2MOPPᅅଐ‫ۨܮ‬Ⴀీ‫ڦ‬ ࡀۨăᅍ࡮‫ڦ‬๟Ljኄၵথ੨ժփྺ‫ݥ‬ᅅଐ‫ۉ‬ጱยԢ໯֑ ᆩ ă ኄ ๑ ‫ ڥ‬USB‫ ྺ ׯ‬๑ ᆩ ፌ ࠽ ‫ ڦ ݘ‬থ ੨ ă ADIࠅ ິ ‫ڦ‬ ADuM4160၄ᅙํ၄USB߰૗Ljཞᄣਏᆶ2MOPP‫ׄأݞڦ‬ ԍࢺࠀీă໲੗ยऺᆩᇀ๼ᅂԭĂ‫ׄأ‬ഗĂ࿮‫ظ‬๕ე༛ᅏ ᅜत‫ܠ‬ዖଣ‫ض‬ᆩթට॔ࢺᅏă໲੗ᅜ኱থᇑ‫ݥ‬ᅅᆩप‫ڦ‬PC ‫ܔ‬থLjᅺُ੗ᅜ৊ႜํ้॔੦Ljཞ้ഄ૶থᅈ඗ਏᆶྜኝ ‫ݞڦ‬ඁׄీ૰Lj‫ࢇޙ‬၎࠲‫ڦ‬ႅ୑ࡀ‫ݔ‬ăฯ዁ሞ๑ᆩ࿮၍ཚ ႑‫ڦ‬ဣཥዐLjᅨ༵ࠃକUSB‫܋‬੨ᆩᇀ෉ॲྼࢺࢅ‫׾ۉ‬؊‫ۉ‬ ‫ڪ‬ዘᄲ֡ፕăᆯᇀጺ๟٪ሞႴᄲ૶থUSB‫ڦ‬൧઄Ljᅺُ‫؜‬ ᇀҾඇ੊୯৊ႜକ‫܋‬੨߰૗ăᆶ၍থ੨‫ڦ‬փፁኮ‫ت‬๟ᅎ‫ۯ‬ Ⴀডֶă ‫ׄأ‬ഗ߰૗ ཮1ዐ‫ׄأڦ‬ഗਏᆶब߲փཞ‫ڦ‬থ੨Ljժ๑ᆩକ‫ܠ‬ዖ߰૗ रຍLjᅺُ໲๟ॠֱ߰૗๕ཚ႑থ੨‫ڦ‬टॅ๖૩ăยԢՂ Ⴗ๑ᆩECG॔੦թට‫ڦ‬႐ሤऄ‫ۯ‬LjᅜՍਦۨ๟‫ޏ‬৊ႜ‫أ‬ ׄăECGຕ਍ୟ০ՂႷᇑ‫ׄأ‬ഗ‫ߛڦ‬უև‫ݴ‬၎߰૗LjᅜՍ ሞթටวฉแे‫ۉ‬ऍ้փࣷභ܏௺ߌ‫ڦ‬ECG‫ۉ‬ጱഗॲă੗ ཚࡗ߰૗ቆटൻ‫ۯ‬ഗࢅຕጴ߰૗ഗሞాևํ၄߰૗ăยԢ ࣏੗ण‫ׯ‬ᅜ໿ྪথ੨Lj‫ړ‬ยԢှዃሞ഻ฉ้৊ႜጒༀ॔ ੦Ǘᅜ໿ྪ֑ᆩऐႁ๕૴໮Ljᅺُ‫ׄأړ‬ഗ഻ٗฉൽူ้ Ս࿮݆๑ᆩăૌຼ‫ں‬Lj‫׾ۉ‬؊‫ۉ‬ဣཥᄺথሞ഻ฉժ৊ႜ૴ ໮ăፌࢫᅃ߲Ⴔᄲ৊ႜ߰૗‫ీࠀڦ‬๟ཚ႑‫܋‬੨Lj໲ሎႹူ ሜECGࢅ‫ׄأ‬ຕ਍Ljࠃᅅิֱੂ‫ݴ‬ဆă޿૶থᅃӯࣷ߰૗ USBথ੨Ljᅺُ࿮ႴॽยԢᇑթට܏ਸन੗इൽຕ਍ă Page 120 MS-2425 ཮1. ‫ۆ‬႙थ৸‫ׄأ‬ഗ ঳ஃ ႑တՂႷሞᅅଐยԢĂᅅ฾ᅜतยԢྼࢺࠅິኮक़ํ၄ມ ᅅଐ॔ࢺᅏࢅ༵ࠃዎଐ‫ڦ‬ยԢኟሞ‫ٶ‬೦ଣ‫ৣ࣍ض‬ᇑ༵ࠃᅅ ၠ‫ڿد‬ăዮසवଉ‫߾ڪ‬ፕ֖ຕՂႷ‫د‬ໃߴยԢăยԢ‫ࠦڦ‬ ଐॳ੃ॳኮक़‫ڦ‬Ղ඗࠲ဣăኄၵยԢ๑ิऄዊଉ‫ߛ༵ྺٷ‬Lj ॲᆌ‫ړ‬๔ዕԍ‫׼‬ፌႎӲԨă๑ᆩ‫ܠ‬ዖ‫݆ݛ‬ԍ‫ۉ׼‬ഘҾඇ ሎႹට்ሞॆথ๴ߛዊଉ‫ڦ‬ዎଐࢅ॔ࢺăྜኝ‫ڦ‬ᅎ‫ࢺ॔ۯ‬ ႠăԨ࿔ዐ‫ڦ‬໯ᆶ‫݆ݛ‬ኍ‫܈ߛܔ‬Ҿඇ੗੍‫ॆڦ‬ᆩईଣ‫ض‬ᅅ ࢅዎଐߴᄱဣཥ੗ํ้‫ݴ‬ဆට༹Ⴔ൱ժ৊ႜ৛ඓ‫ߴ้ํڦ‬ ଐԍॳยԢ਩ᆶၳă੗ߵ਍༬ۨᆌᆩ‫ڦ‬၎࠲Ⴔ൱ፔ‫؜‬჋ ᄱă૩සLjᅐ‫ڜ‬໎๼ᅂԭీఇ‫ݠ‬ට༹‫ڦ‬ᅐ‫ڜ‬໎‫ݒ‬ᆌLjኍ‫ܔ‬ ስă ‫ݥ‬࿤‫ض‬թටํ၄߸ॅ‫ڦ‬दթ࠶૙ăཚࡗႎरຍLj࣏੗ඟሡ ้࿮݆‫ٳڟ‬ᅅᇾईኑ໯‫ڦ‬թටॽ໱்‫॔ڦ‬੦ຕ਍ฉ‫ڟد‬ब ၭ้ୟ‫ײ‬ᅜྔ‫ڦ‬ᅅᇾă႐ሤ॔ࢺᅏ੗ሞթට‫؜‬၄ኢጒኮമ ॠ֪‫݀ڟ‬թ൧઄ă One Technology Way t P.O. 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TA11242sc-0-12/12 Page 121 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2126 ‫ิܠ‬૙֖ຕթට॔ࢺ ፕኁǖBill CroneLjADIࠅິᅅଐॳ੃ဣཥ߾‫ײ‬฾ ాඹ༵ᄲ ‫ิܠ‬૙֖ຕᅅଐยԢՂႷ૧ᆩփ܏৊օ‫ڦ‬रຍLj஢ፁ߀ ৊৛‫܈‬Ăࠀీࢅ؅٫‫ڦ‬Ⴔ൱Ljժ༵ࠃຕ਍֑णĂ‫د‬๼ࢅ ٪‫ࢅీࠀئ‬ग़ඹႠ——ፌዕྺ߀฀ᅅଐॳ康ጒ઄Ăሺഽ թටዎଐၳࡕ‫ظ‬ሰཉॲă ‫֖ܠ‬ຕ॔ࢺ ሞएԨ‫૴ڞڦ‬II႐‫(཮ۉ‬ECG)ᅜྔLjᅅଐํ७ዐ࣏Ⴔᄲ੺໏ ॠֱփ܏ሺ‫ิ้ํڦܠ‬ం༹ኙतഄՎࣅ൵๞Ljᅜ߸ࡻ‫ں‬କ ঴թට‫ړڦ‬മጒ઄Ăࡻገ൧઄ईܱࣅ൧઄ăᅃዖ‫ۆ‬႙‫ܠڦ‬ ֖ຕยԢ੗ᅜཞ้࠵ִ12‫૴ڞ‬႐‫཮ۉ‬ECGĂეᄟԏࢅ‫܈‬ (SpO2)ĂCOĂეࢤ‫ڒ‬ӣĂ༹࿒Ă࿮‫ظ‬ეუĂᆶ‫ظ‬ეუĂࢬ ဌࢅኲ෇๕ഐճഗऄ‫ۯ‬ăລ௥ჺ৯ዐ๑ᆩ‫֖ܠڦ‬ຕยԢሶ ᇑُփཞǖᅃӯ֪॔ECGĂస‫(཮ۉ‬EEG)Ăᄅ‫(཮ۉ‬EOG)Ă ՗௬क‫(཮ۉ‬EMG)Ăᅼೕࢅࢤྔ֪࿒ă‫أ‬ECG႑ࡽᅜྔLj ᆶၵ‫ۯ‬ༀ႐‫ࢺ॔ۉ‬ᅏᄺ੗ᅜऻ୤ෙዡे໏‫ࢅ܈‬ეუă ᅅଐยԢ዆ሰฆփ܏ᇑଣ‫ض‬ᅅ฾௢ൎࢇፕLjኍ‫ܔ‬༬ۨ‫ࢇׇ‬ ༵ࠃ੗჋॔ࢺ֖ຕፇࢇLjٗ၄‫ׇ‬थ৸‫ڟ‬ገሏ዁‫ܠ‬੔๪ଣ‫ض‬ ऐࠓLjԈઔथኑ੔Ăዘኢ॔ࢺ๪Ă๮ຍ๪Ăຍࢫ஑ፋ࣬ް ๪Ă߳ዖํᄓ๪ࢅዎଐ๪ᅜत೵ཚթ‫ް࣬ݝ‬Lj࣏ᆶᅴ‫ࣷں‬ ኑጆ੔ᅅิࢅ‫܀‬૬ᅅଐऐࠓă௅߲ዎଐ‫ׇ‬໯‫ۼ‬੗ీᆶփཞ ‫ڦ‬ኑ܏Ⴔ൱຤ೝ,ඐᆼ‫ۼ‬Ⴔᄲग़ඹժ૶থ዁թ૦——Ԉઔ࿮ ၍঍࣑ă ଣ‫ض‬ᅅ฾ᄲ൱ࠀీഽ‫ٷ‬Ă࿮ࠤቱሏႜLjܸ൐‫ׯ‬Ԩᄲਏᆶ৪ ኛ૰ăิ࿿ᅅბටᇵሶᄲ൱੗୾ୁࢻ࣑Ljᅜ३ณఇ႙‫ݛ‬ ֶLjཞ้࣏ᄲ൱एԨࠀీ኱࠵ᅟᆩLjփࣷሰ‫ंׯ‬ၫăፌৎ ݀ք‫࠶॔ྔܮڦ‬ᄲ൱ࢬᇛ‫ܔ‬թටጒༀܱࣅ൧઄৊ᅃօॠ ֪Ljํแྜඇण‫߅ڦׯ‬ᇨ๮܎Lj३ณ݀թ୲ࢅຶྨ୲ă ཮1. ৛ඓĂन้‫ิܠڦ‬૙֖ຕթට॔ࢺࠀీ ᆶዺᇀࢺ૙ටᇵ༵ߛթටዎଐၳࡕă ‫ܔ‬ᇀยԢ዆ሰฆઠຫLj཈቟๟‫ݛܠ‬௬‫ڦ‬ǖُૌᅅଐยԢ‫ڦ‬ย ऺ฾ՂႷඓԍҾඇ‫ڼ‬ᅃLjሞ໯ᆶ੗ీ‫ڦ‬ଣ‫ض‬ᆌᆩ൧ႚူLj Ԉઔ࿤‫ض‬թටሞॆዐ๑ᆩ้Ljթටࢅ֡ፕටᇵ‫ڦ‬ҾඇႠ‫ۼ‬ ీ‫ڟڥ‬ԍቱăยऺ฾࣏ՂႷକ঴॔࠶ऐࠓ݀ք‫ڦ‬փ܏Վࣅ ‫ڦ‬ᅅଐยԢᄲ൱LjՂႷඓԍ‫ׂࢇޙ‬೗ਸ݀ࢅ዆ሰዊଉՔ ጚăኍ‫ܔ‬ᅅଐยԢ‫ڦ‬ᄲ൱ࢅॺᅱᅺࡔॆई‫ں‬൶ܸᅴǗᅅଐ ยԢ዆ሰฆՂႷକ঴ኄၵ“ኸସ”ࢅ“݆ࡀ”Ljඓԍፔ‫ࡀࢇڟ‬ă թට॔ࢺǖ12‫૴ڞ‬ኑ܏႐‫཮ۉ‬ᅏ 12‫૴ڞ‬႐‫཮ۉ‬ᅏ(ᆶ้ᄺ‫ྺ׬‬EKG)‫׊‬৳ᅜઠᅃ኱๟թට‫؛‬ ၂႐ე࠶ጒ઄ॠ֪߾ਏ‫ূࣜڦ‬Քጚࢅ‫׉‬९‫پ‬ఁَLj዁ৃධ ඗๟๑ᆩፌྺ࠽‫੺ڦݘ‬໏‫ݴ‬ဆ߾ਏă Page 122 MS-2126 ଣ‫ض‬ᅅ฾ᄲ൱႐‫཮ۉ‬ᅏሞ၄‫ׇ‬Ăሏໃࢅዘኢࢺ૙‫گྫྫڪ‬ ᇀ૙ၙ຤ೝ‫ڦ‬ཉॲူీሏႜ࿘ۨLjࣩ݀‫ߛ؜‬຤ೝ‫ڦ‬Ⴀీă ໱்ᄲ൱ t ࿘ۨ‫װ‬၄թට‫ڦ‬႐‫ۉ‬ऄ‫ࢅۯ‬ᅴ‫׉‬ጒ઄Ljփࣷᅺพೕ߅ඡ (RFI)ĂᅅଐยԢईഄ໱ሗොႠྔև࣍ৣཉॲ‫ڦ‬ᆖၚܸ ฿ኈă t ీ‫ܠ‬๫཮ֱੂ႐‫ۉ‬ऄ‫ۯ‬LjᅜՍइ‫ڥ‬ৈ࠵ִ‫้૴ڞ߲ڇ‬փ ీ݀၄‫ڦ‬႑တăႴཚࡗ‫ܠ‬๫཮ඓۨթට๟‫ޏ‬٪ሞ႐क߽ ຶ(M.I.)तഄ݀ิሞ႐ሤዐన߲և࿋Ljཞ้ॠ֪߳ዖ႐ ୱ฿‫(׉‬සLj‫(ׄݝ‬A.F.))ĂഐճഗࠀీĂ႐ዡೋֶĂ႐๪ ሺ‫ٷ‬ᅜतഄ໱‫ڞد‬ईஞ؋ຕ਍ᇮ໎ă t ኑ܏ዊଉೕ୲ၚᆌ(0.05 Hz዁150 Hz)ࢅ॔ࢺᅏዊଉ჋ၜ (ස2 Hz዁30 Hzईኁ0.5 Hz዁40 Hz)ă‫੻ټ‬ᄲ൱ᇑਏ༹‫ڦ‬ ଣ‫ض‬ᆌᆩᆶ࠲ăԲසLjᆛᆶ0.05 Hz‫܋گڦ‬ၚᆌ‫ܔ‬ॠ֪ST ܎ೋֶઠຫ዁࠲ዘᄲLj੗਍ُਦۨഔ‫ۯ‬ኝ༫֭࠶‫ײ‬Ⴞă සࡕ֑ᆩଭ၎࿋฿ኈ୳հഗLjᆶၵՔጚሎႹॽ0.05 Hz‫ڦ‬ ‫܋گ‬ၚᆌ༵ߛ዁0.67 Hzăኄᅃ‫ۅ‬ᆶጣዘᄲ‫ڦ‬ᅪᅭLjՂႷ ጮဦॠֱLjᅺྺECG‫ڦ‬ଣ‫ض‬ᆌᆩࢅॠֱᄲ൱ሞඇև‫੻ټ‬ ‫ాྷݔ‬৊ႜ৛ඓ՗ኙă t ৛ඓĂ੗ዘް‫ڦ‬႐‫ۉ‬ऄ‫ۯ‬๫཮LjՂႷᅜഄྺए‫ัإ‬ዘ჋ ስࢅഔ‫ۯ‬੗ీླतิం‫߅ڦ‬ᇨ‫ٯ‬แă t ᅜኵ‫ڥ‬႑ડ‫ݛڦ‬๕վइĂ٪‫ئ‬Ăԍ٪Ă‫د‬๼ຕ਍Ljժথ ๭‫ڟ‬ଷᅃথ๭ဣཥࢅူႜऺ໙ऐዐăຕ਍ՂႷ๔ዕ੗ᅜ ူሜLjᅜՍᆩᇀᇺ‫ײ‬Բডईࢫ೺Բডă๼‫؜‬ຕ਍ՂႷ֑ ᆩՔጚ߭๕ࢅቛ๖‫ݛ‬๕LjᅜՍኝ߲ዎଐ࣍ব‫ڦ‬ᅃဣଚ঻ ෇ᅅ฾‫ీۼ‬૙঴ă t ഽ‫ڦٷ‬ဣཥ——Ԉઔߛ೗ዊ‫ۉ‬टࢅ‫ۉ‬મ——੗ᅜ‫׶‬๴؋ ऍĂና‫ۯ‬Ăթටᅎ‫ࢅۯ‬क඾ኒׄĂ࿒‫܈‬ՎࣅĂए၍೏ᅎ ࢅ‫߅ىۉ‬ඡᅜत੗ీ౦൸ํा႐ሤऄ‫ۯ‬๼‫ࢅ؜‬၂๖঳ࡕ ‫ڦ‬ඪࢆഄ໱ᆖၚăኄၵᅺ໎੗ీᆖၚ‫ڟ‬ዘኢኑ܏‫ڦ‬ଳ௺ ‫ࢅ܈‬༬ᅴႠă t ሞࠔዃ‫ׯ‬ԨĂሏᆐ‫ׯ‬ԨĂ؅٫ࢅዘଉ‫ݛ‬௬‫ڦ‬ཨ෇‫ت‬ᇀ੗ থ๴຤ೝ‫ߛڦ‬ၳဣཥăཚࡗ३ณဣཥҾጎࢅྜ‫ׯ‬ඇևඪ ခ໯Ⴔᄲ‫้ڦ‬क़ࢅට߾Lj੗ᅜइ‫ڥ‬৪ኛᆫ๞ăُྔ࣏೺ ྭྜඇీࠕ๢ᆌ੗ీ‫؜‬၄‫ڦ‬Ăփ܏Վࣅ‫ڦ‬ᅅଐኸ‫ݛڞ‬ኍ ࢅํ७ఇ๕ă ‫࢈ڇ‬๕थ৸ᅅଐ‫ޜ‬ခ(EMS)ยԢ थ৸ᅅଐ‫ޜ‬ခ(EMS)——ཚ‫׉‬ᇀ‫੿ކ‬ծ‫ٶ‬9-1-1ࢫਸ๔—— ੗ీዂ๑थ৸ᅅခටᇵ(EMT)‫ٳڸ‬၄‫ׇ้‬Ljኻ‫ټ‬କ०‫ڦڇ‬ ༹࿒ॠ֪ᅏĂ‫ۉ‬ጱეუ॔ࢺᅏࢅጲ‫ׄأྔ༹ۯ‬ഗ(AED)ă සࡕኈኟਏᆶิంླ၃‫ڦ‬ጒ઄‫ڟڥ‬ඓණLjए‫ิإ‬ంኧ‫׼‬ (BLS)ටᇵॽഔ‫ࢬۯ‬ঢืप‫ײ‬ႾLjᆯࢺ૙ටᇵई߳ዖጀ֩ጆ ੔ࢺ๗ํแߛपิంኧ‫(׼‬ALS)‫ޜ‬ခăALSၭፇ‫้ٳڸ‬Ljཚ ‫ټࣷ׉‬ઠࠀీ߸ഽ‫ڦ‬ᅅଐยԢLjԲස‫ิܠ‬૙֖ຕ֪॔ဣ ཥLjԈઔECGĂܾᄟࣅ༐‫ݴ‬ဆᅏĂეუऺĂ༹࿒ऺĂ SpO2ĂCOॠ֪ᅏࢅഄ໱ิంኧ‫׼‬ยԢăߵ਍ၹᅱLj၄‫ׇ‬ ๭ण‫ڦڟ‬႑တ੗ᅜඓۨॽ๴࡞ට/թටໃྫనॆᅅᇾLjܸ൐ ੗ᅜॽຕ਍‫د‬๼‫ڟ‬থ๭ऐࠓLjዺഄҾಇ৊ᅃօ‫ڦ‬၄‫ׇ‬ዎ ଐLjժጚԢಋര༬՚ၭፇമྫੂྭթටLjܸٗ໫‫کٗ܌‬ோ ‫ڟ‬ඓۨႠዎଐ‫้ڦ‬क़ă EMS๔ዕ‫ۼ‬ሞლ൱੗ሞ‫߲ڇ‬ጎዃዐ༵ࠃ‫ܠ‬ዖ֖ຕิం༹ኙ ‫ڦ‬ፇࢇ๕ยԢĂ‫ڇ‬ᅃ‫ۉ‬ᇸࢅඇ௬‫ڦ‬թටຕ਍ăኄᄣ‫ڦ‬ጎዃ बࢭ๔ዕ‫ۼ‬๟‫׀‬ජሞ‫ׄأ‬ഗ/႐ୱገՎഗ/ഐճഗฉLj‫ټ‬ ECG၂๖ೡࢅण‫ׯ‬๕‫ٶ‬ᆇऐăኄዖႴ൱ᅙٗ०‫ڦڇ‬ECG‫װ‬ ၄݀ቛ‫ڟ‬ඇ௬ኑ܏ࢅ঴‫܁‬12‫૴ڞ‬ECGLjᅜतՎࣅ൵๞༬ ኙLj࣏ᆶփ܏ሺ‫ิڦܠ‬ం༹ኙ֪॔ᅏLjኄၵᅏഗ੗ᅜၠ၄ ‫ׇ‬ᅅ฾‫׼‬Ⴤ༵ࠃթටጒ઄‫ڦ‬ፌႎ႑တǖ t ႐୲॔ࢺᅏࢅԒয়ഗ——ᅃၜ࠲ᇀթටփ๢‫ڦ‬एԨኸ ՔLj႐୲ူইᅪ࿆ጣ႐‫࣐ࡗۯ‬Lj੗ీႴᄲᆩᄱժ֑ൽଣ ้ഐճ‫ٯ‬แLjܸ൐ঢ়‫׉‬๟ᆦ৳Ⴀኲ෇๕ഐճă႐୲ฉื ੗ీᅪ࿆ጣ႐୲฿੦Ljཚ‫׉‬Lj႐୲փഋܱࣷࣅ‫ׯ‬႐‫ࡗۯ‬ ໏Ă‫ׄݝ‬ई႐๪္ׄăဦ႐‫ڦ‬ଣ‫ض‬ᅅ฾ईኁኵ‫ڥ‬႑ડ‫ڦ‬ Ԓয়Lj੗ᅜᆔ‫้ڥ‬क़Ljሞ൵๞݀ቛ‫ׯ‬႐ე࠶৆थጒ઄ኮ മ৊ႜ߅ᇨă t ஞճეᄟᅏ—SpO2(ईSaO2)֪॔ᅏLj‫ܔ‬ეୁዐეࢤ‫ڒ‬ӣ ‫ڦ‬ᄟԏࢅ‫܈‬৊ႜೠࠚăኄዖ‫෇঻ݥ‬๕॔ࢺᅏᆩࢤྔ࠼ Page 123 ! (࠼ბ༹ओ௮ऻຍ)ઠ֪ଉᄟഘ‫ڦ‬ӥ‫ݴ‬Բăසࡕ‫܁‬ຕೋ ‫گ‬Ljईኁ‫܁‬ຕ࿄ໜዎଐܸ༵ߛLjሶ՗௽թට٪ሞթ઄Ǘ Ⴙ‫ܠ‬EMSၹᅱᄲ൱ٗए‫ิإ‬ంኧ‫׼‬ටᇵ(EMT)ืप‫ߛڟ‬ पิంኧ‫׼‬ටᇵ(ࢺ૙ටᇵईഄ໱ALSଣ‫ض‬ᅅ฾)ă‫܁‬ຕ ࣏੗ీ๴‫ߌدڟ‬ഗ໯ሞ൶ᇘეୁ३ณ‫ڦ‬ᆖၚLjഄᇱᅺԈ ઔ๮ኸ༹࿒ࡗ‫گ‬Ă‫ت‬ᇀඇวႠႩਖ਼ጒༀ‫ڦ‬թටĂეඹଉ ३ณ‫ظڦ‬ฅթටईኁթටᅎ‫ྔڪۯ‬ևᅺ໎ăԒߢ‫܁‬ຕՎ ࣅ੗ీ࢔஥Ljᄲ൱ଣ‫ض‬ᅅ฾ጮဦ࠵ִ໯ᆶ॔ࢺኸՔăᇨ ऺሞCPRኸళփ܏Վࣅ‫ڦ‬൧઄ူLjSpO2॔ࢺरຍ‫ڦ‬ሏᆩ ॽइ‫࠲ܠ߸ڥ‬ጀǗߵ਍ႎኸళᄲ൱Lj೵ཚࠅࠌแ৸ኁॽ ํแ‫཯كڇ‬๮ӀუCPRLjܸփํแᇑഄ၎ӵ‫ࢬڦ‬ဌ৸ᇲ ‫ٯ‬แ——঳ࡕ‫ڞ‬ዂඍᄟጒ઄‫ڦ‬၂ዸሺेăሞኄዖ൧઄ ူLjߛୁଉᄟ(ཞ้Ն௨࣑ഘࡗ‫)܈‬዁࠲ዘᄲă t ࢬഘ఍ܾᄟࣅ༐֪॔(֪॔թට‫؜ࢬڦ‬ഘ)Ljॠ֪‫گ‬ኵ(႐ ሤየཕĂ࣑ഘࡗ‫ࢅ܈‬ഄ໱ጒ઄ྺNN)H዁NN)HǗᅃ ӯ॔ࢺྺNN)H዁NN)HǗ஥Ⴀፆ෗Ⴀ‫ݬ‬թ(COPD) ྟ೺թටྺNN)H዁NN)H ă t ᅃᄟࣅ༐(SpCO)֪॔ᅏLj‫ܔ‬ኄዖਏᆶയሞዂంႠഘ༹‫ڦ‬ ӥ‫ݴ‬Բࡤଉ৊ႜೠࠚăᆯᇀᅃᄟࣅ༐࿮Ⴍ࿮࿆Lj๴࡞ට ྫྫփኪᅙว။ླ၃Lj৊ܸ฿ඁኪਥLjฯ዁ຶྨăႹ‫ܠ‬ ၩ‫ݞ‬ևோᄲ൱‫ܔ‬आ‫ׇ‬৸ᇲටᇵ৊ႜೠࠚLjඓԍ໱்ሞ௶ आࢅ๚ࢫൣ૙ࡗ‫ײ‬ዐփԓ୞ᇀླ၃ኮူă‫ܔ‬ᇀփኪጲम ว။ླ၃ܸ൐ኢጒ࿮ഄ໱ᅙኪᇱᅺ‫ڦ‬Ⴙ‫ܠ‬թටઠຫLjᅃ ᄟࣅ༐ዐ‫ྫྫ۾‬๟ߵԨᇱᅺăᅃᄟࣅ༐֪॔ᅏཚࡗాഴ ᇀԱ༫࠶ईᄟഘ௬ቸዐ‫ߌدڦ‬ഗઠ֪ଉթට‫؜ࢬڦ‬ഘă t ߛཎეࢤ‫ڒ‬ӣ(SpMET)Ljॠ֪ეࢤ‫ڒ‬ӣዐ‫ڦ‬ჱཎᄟࣅ၄ ၡLjُࡗ‫ײ‬փࣷ๼ໃᄟăᆶၵᅅᇾᆩᄱ੗ీ‫݀ة‬ኄዖጒ ઄Lj঳ࡕࣷᆖၚ႐ე࠶ဣཥࢅዐ๸หঢ়ဣཥă t ‫෇঻ݥ‬Ⴀეუ——ᅜ๖հ݆(๑ᆩՅ࠙ฉ‫ڦ‬უ૰‫ߌد‬ഗ) ሞթටฉՅई‫ེ֪ٷ‬ଉეუLj੗ᅜߵ਍ႴᄲLjᄺ੗Ӏ੗ Վ้क़ยዃLj༵ࠃ๾ቧუĂ๭໫უࢅೝ਩ኵăሞߛኵई ‫گ‬ኵኸ๖٪ሞླ၃ޭፕᆩ‫ڦ‬ጒ઄้Ljሞߴᄱ(ईཕᄱ)‫ݛ‬ ௬৛ඓႠ๟‫׉ݥ‬ዘᄲ‫——ڦ‬Բසփߴ႐জསթටᆩၣ໗ ߆ᆳLjᅺྺኄ੗ీߴᅙঢ়٪ሞ‫گ‬ეუ‫ڦ‬թට‫ټ‬ઠ฿੦Ⴀ ე࠶Ԫએăეუኵᅴ‫׉‬Ljසࡕӵໜ႐୲ց‫׋‬ᅜे੺ई३ ࣐႐୲Ljሶ՗௽႐ე࠶ဣཥᆶ࿚༶——Ⴔᄲ੺໏߅ᇨă MS-2126 t ঻෇Ⴀ(‫ۯ‬ஞ)ეუ(IP)֪॔ᅏ——ᅃ੼ഴ෇๕‫ߌد‬ഗLjཚ ࡗደْ႐ཌඓණթටეუ/հႚă൵๞཮੗༵ࠃՎࣅয় ๖Lj՗௽թ൧ܱࣅLjईኁ੺໏ၚᆌኸ๖Lj՗௽Ⴔᄲߴ‫ޜ‬ గၵᄱăሞ‫཰׊‬੣ሏࢅ‫׊ג‬๮ຍኄଇዖ൧઄ူLj֪॔ე უՎࣅ੗ᅜྺଣ‫ض‬ᅅ฾༵ࠃয়๖Lj༵ႝ໱்ሺे๼ᄟ ଉLj߀Վ๼ᅂ໏୲Ljۙኝթට༹࿋LjईኁߴᄱLj‫࣒ݞ‬ᇀ ࿄඗ă঻෇Ⴀეუ֪࣏॔੗ᆩᇀ֪֑॔ᆩፑ႐๪‫ޤ‬ዺጎ ዃ‫ڦ‬թටLjሞኄዖ൧઄ူLjऐႁԭ੗༵ࠃ‫׼‬Ⴤ‫ڦ‬ე ୁ——‫ڍ‬փࣷሰ‫ׯ‬ஞճ᫁ืă t ‫૴ڞ‬ECGă०‫܋گڦڇ‬ยԢLjԈઔጲ‫ׄأྔ༹ۯ‬ഗ (AED)Ljॠ֪‫(૴ڞ߲ڇ‬ཚ‫૴ڞྺ׉‬II)ઠඓۨ๟‫ޏ‬٪ሞஞ ճĂஞճ୲ᅜतհႚ‫ڦ‬एԨႚༀ༬ኙăഄዷᄲփፁሞ ᇀLjగၵ‫ۉ‬ऄ‫(ۯ‬࿮ஞճ‫ۉ‬ऄ‫ۯ‬ईPEA)‫ڦ‬၂๖ժփీඓ ණ႐๼‫؜‬ଉăഄዷᄲᆫ๞ሞᇀLj໲ీ๎՚႐๪္ׄLjժ ૬न༵ࠃ‫ׄأ‬ă t ഐճഗ๼‫——؜‬၂๖ഐճॖ‫ރ‬Lj۠ेᇀ႐‫ۉ‬বୱኮฉᅜ ၂๖ၚᆌ(վइ)(ැᆶ)ă֪॔ᅏᆌీ൶‫ݴ‬ഐճഗॖ‫ࢅރ‬ թට‫ڦ‬QRSհႚLjᅜ৛ඓํแ‫ׄأ‬ई႐ୱገՎዎଐă t ႐ୱገՎഗ——ሞ‫ࢅׄݝ‬ૌຼጒ઄ူLjᅜण‫(ׯ‬ཞօ)‫ݛ‬ ๕ၠ༬ۨհႚ‫ڦ‬թටแे‫ۉ‬ऍLj‫ڟٳ‬ऍሒे໏୲ TUVO BDDFMFSBUFESBUF ăኄᄲ൱௢ൎၹۙ‫ۉ‬ऍLj๑ഄኟࡻሞRհ ူ৊ႜLjܸփ๟ሞփᆌ೺৊ႜLjᅺྺኄᄣ੗ీ‫ڞ‬ዂ႐ሤ ཕኹăሞ঴‫أ‬ईጲ‫ۯ‬঴‫أ‬ኮമLj޿ࠀీཚ‫ࣷۼ׉‬၂๖‫؜‬ ઠLjኄᄣLjසࡕթට৊෇႐๪္ׄጒༀLjሞํแዎଐ‫ٯ‬ แኮമLjऐഗփࣷीჄ໇໭Rհă t ༹࿒——बዖփཞ‫༹ڦ‬࿒֪ଉࢅԒߢ‫ݛ‬๕LjԈઔ༹՗࿒ ‫܈‬Ljᅜत঻෇๕ࢃ႐༹࿒ăໜጣெࡔ႐ሤၹࣷࢅඇ൰߳ ް໋྿ᇵࣷਸ๔ᄲ൱੦዆ࢅই‫ࢃگ‬႐༹࿒Ljᅜሞ႐ሤየ ཕĂዐ‫ޅ‬ईഄ໱‫ٷ‬స‫ظ‬ฅኮࢫ߸ࡻ‫ں‬ԍࢺ‫ٷ‬సࠀీLj༹ ࿒‫׼ڦ‬Ⴤ֪॔ᅙ‫ڦݘ࠽ྺ߸ྺׯ‬ፔ݆ăُྔLjሞዎଐࡗ ‫ײ‬ዐLj༹࿒ࡗ‫گ‬ई༹࿒ࡗߛ‫ڦ‬թට੗ᅜٗ௢ൎ༹࿒֪॔ ዐ๴ᅮLjᅺྺ޿ፔ݆੗ᅜඓණዎଐၳࡕLjՆ௨‫ࡗג‬ణՔ ༹࿒ă Page 124 MS-2126 t ฉຎև‫ݴ‬ईඇև֖ຕ‫ڦ‬൵๞/Ԓয়ࠀీൽਦᇀࠀీഽ‫ٷ‬ ‫ॲ෉ڦ‬Ă੗჋‫ڦ‬Ԓয়‫ྷݔ‬၌ኵᅜतൣ‫ؤ‬၂๖൵๞Վࣅଉ ࢅ‫؜ג‬၌ኵၩတ‫ీࠀڦ‬ă t ้ዓĂCPRবಆഗĂࠀࡼᅜतഄ໱ຕ਍‫ࢅۅ‬ၩတ੗༵ࠃ ዁࠲ዘᄲ‫ڦ‬࿔ॲ֌ଙLjඓԍᆩࢽඇ௬ቨ࿥ժऻ୤໯ᆶ๚ ॲࢅገች‫ۅ‬ă ௺෍‫ߛڦ‬प႐ሤิంኧ‫׼‬ଣ‫ض‬ᅅ฾ᅃ኱ሞლቴթටᅴ‫׉‬ຕ ਍‫ڦ‬੗ీ/ࢇ૙ᇱᅺăঢ়‫ۆ‬૩ጱ๟ఫၵ“H”ࢅ“T”Lj໲்๟࿮ ஞճ‫ۉ‬ऄ‫(ۯ‬PEA)‫ڦ‬ՔኾăHԈઔეඹଉփፁĂ༹࿒ࡗ‫گ‬Ă ᄟࡗณĂൠ૗ጱ(໗ዐ‫ࢅ)۾‬ეौࡗߛईეौࡗณăTԈઔᄱ ೌ(ᅪྔࡗଉईጲ෫ႜྺ)Ăག෗(႐ሤ)Ăቧ૰ႠഘႤࢅე ພႚ‫࠴(ׯ‬ጒ‫ۯ‬ஞई‫ۯݬ‬ஞ)ăසࡕሞթኢ݀ቛࡗ‫ײ‬ዐ݀၄ ժ๎՚କኄၵኢጒLjժߵ਍‫ړ‬മ‫ڦ‬ዎଐ‫ݛ‬ኍ዆ۨକඓۨႠ ᆌ‫ٯܔ‬แLjཚ‫׉‬ණྺ๟੗ᅜকኟ‫ڦ‬ă ฉຎ߳ዖ࣍ৣ௬ଣ‫ڦ‬रຍ཈቟๟‫ݛܠ‬௬‫ڦ‬ăሞҾඇ࿚༶ᅜ त‫ࢇޙ‬੗থ๴ዊଉ຤ೝ‫ڦ‬ยऺࢅิׂ߾ᅝ‫ڪ‬ᄲ൱ᅜྔLjᅅ ଐยԢ዆ሰฆ࣏ՂႷྜඇକ঴࣍ৣِघᅺ໎(ස੗ీ૶থጣ թට‫ڦ‬ഄ໱ᅅଐยԢ)੗ీ‫ڦ‬঍ࢻፕᆩ‫ݛ‬๕Ǘକ঴ᅎ‫ۯ‬Ă RFIĂ‫ߌد‬ഗ޹ॲĂ࿒‫ࢅ܈‬โ‫܈‬੗ీ‫װܔ‬၄ߴኴᄽଣ‫ض‬ᅅ ฾‫ڦ‬ຕ਍ሰ‫ڦׯ‬ᆖၚǗᅜतኄၵ੗ీ‫ܔ‬թට‫ڦ‬ኑ܏ࢅዎଐ ሰ‫ڦׯ‬փ૧ᆖၚă‫ܔ‬ᇀԈઔ‫ݧ‬ऐ(߳ዖૌ႙)Ă‫ذ‬ոईआ‫כ‬ ሞా‫ڦ‬ᆌᆩLjႴᄲ৊ႜ‫ڦྔܮ‬ऐࠓ֪๬Ljᅜඓԍ‫ࢇޙ‬ኄၵ ࣍ৣ‫ڦ‬ᄲ൱(փ߅ඡ‫ݧ‬ႜĂ‫ࡵڞ‬ईཚ႑ဣཥ)ă ᅅᇾా‫ิܠ‬૙֖ຕ॔ࢺ ‫ิܠ‬૙֖ຕ॔ࢺᅏሞᅅᇾዐ٪ሞ‫ܠ‬ዖᆩ཰LjԈઔ๮ຍ๪ (OR)Ă थ ኑ ๪ (ER)Ă ႐ ሤ ॔ ࢺ ๪ (CCU)Ă ዘ ኢ ॔ ࢺ ๪ (ICU)Ă‫ิۉ‬૙ბ(EP)ํᄓ๪/֭࠶ํᄓ๪Ăᄫ֪/‫ۯ‬ༀ႐‫ۉ‬ ॔ࢺยԢĂລ௥฿ۙዐ႐Ăຍࢫ࣬ްթ‫ݝ‬Ăా੔թ‫ࢅݝ‬੗ ኲ෇๕ഐճഗ/‫ׄأ‬ഗ๮ຍ๪——‫ྷݔ‬ๆ‫ݘ࠽ݴ‬ă t ዘኢ॔ࢺ൶ᇘLjٗ‫ݏ‬஬थኑ੔‫ݴڦ‬ኑ໼Lj‫ڟ‬ॠֱ๪Lj෢ ௮ईXพ၍ํᄓ๪൶ᇘLj඗ࢫም‫ڟ‬๮ຍ๪(֭࠶ํᄓ๪Ă ႐ሤ๮ຍ๪)ईዘኢ॔ࢺ๪/႐ሤ॔ࢺ๪——਩ᅜթටႴ ൱ྺጚLjൽਦᇀ‫ۉ‬ጱ॔ࢺยԢăᅺُLjᅅ฾ࢅᅅᇾ‫ޅ‬၃ ೠࠚঢ়૙ᅜतิ࿿ᅅბ੔੗ᅜՔದඪᅪ॔ࢺᅏ‫ڇڦ‬ᅃӲ ԨLjܸඪࢆ੔๪‫ۼ‬փࣷ๑ᆩඇևࠀీăኄᄣ৽ྺยԢሞ ᅅଐඪခኮक़ईኁ੔๪ኮक़‫ڦ‬ຩ૧୾࣑༵ࠃକ‫ݛ‬ՍLjᆶ ૧ᇀሺ৊ยԢ૧ᆩ୲‫ڦ‬਩࢚ࣅăଷᅃ໯ᅅᇾ੗ᅜ჋ስࠔ ዃ‫ܠ‬ዖࠀీ‫༹ࢇंڦ‬Ljᅃၵᆩᇀኧ‫׼‬ዘኢ॔ࢺLjഄ໱ኻ ႴᄲፌएԨ‫֖ڦ‬ຕăᆌ޿ӝᅅᇾᆌᆩ๫ྺ‫ܔ‬ዊଉࢅཚ႑ ࠀీ‫ڦ‬ፌߛᄲ൱ăยԢႴᄲሞඪࢆ‫܁߲ڇ‬ຕ‫؜ג‬ᇨย֖ ຕ้Lj༵ႝଣ‫ض‬ᅅ฾ጀᅪ߳ዖิం༹ኙՎࣅLjᅺྺթට փ੗ీၟEMSᅃᄣLj๔ዕԍ‫׼‬100%‫ڦ‬ణ࠼থ‫ة‬ăኄ૛Lj ሞಢჟࢅթ૩໯Ⴔට૰Ă௅߲թ૩‫ׯگڦ‬Ԩᅜत๚ॲऻ ୤‫ݛ‬௬,ᅟᆩႠፌྺዘᄲăᅺُLjణമ‫ڦ‬Քጚፔ݆๟ᅜ ࿮၍‫ݛ‬๕ॽຕ਍‫د‬๼‫ڟ‬ዐᄕ॔ࢺဣཥăඪࢆဣཥ‫ۼ‬ՂႷ ३ณඹᅟሰ‫ׯ‬ઓउ‫ڦ‬ᅺ໎Lj३ณ၍મຕଉLj३ณઠጲ12 ‫૴ڞ‬ንଚ‫ڦ‬઒ӿ၍Ljժሞᅅଐ‫ײ‬Ⴞईຍࢫթ‫ڦݝ‬๑ᆩࡗ ‫ײ‬ዐLjᆩ4‫ࢅ૴ڞ‬5‫૴ڞ‬ንଚ৊ႜ‫׼‬Ⴤ‫ڦ‬एԨ॔ࢺă t ‫܀‬૬‫ڦ‬๮ຍዐ႐ࢅጆᄽዎଐዐ႐ăኄ૛Ljᇨ೺ਜ਼ࢽຌᇀ ‫ޅگ‬၃ૌ՚Lj‫ڍ‬ዐ႐ՂႷጚԢᆌ‫ܔ‬ᅪྔ൧઄ăැփీඇ ௬ޮ߃৸ࢺ֖ຕLj੗ీࣷሰ‫ׯ‬ዎଐփ‫ړ‬ႜྺă t ࣬ްĂ੃ްࢅ‫׊‬೺ࢺ૙ዐ႐——‫ܠ‬ዖጆᄽࢺ૙ยแLj௬ ၠఫၵփႴᄲᅅᇾपࢺ૙‫ڍ‬ᆼփీሞॆ‫ڟڥ‬؊‫ࢺݴ‬૙‫ڦ‬ թටăሞኄၵ‫ݛں‬LjႹ‫ܠ‬թටॽധຈփแႜ႐‫໋ްݬ‬ຍ (DNR)࿔ॲLj‫ࣷڍ‬ሞᅅድሎႹ‫ࠃ༵ాྷݔڦ‬໯ᆶࢇ๢‫ڦ‬ ࢺ૙ă t ᅅᇾዐ‫ڦ‬ጆᄽዐ႐੗ీႴᄲ‫ิܠ‬૙֖ຕ॔ࢺยԢᅜՍ॔ ֪‫ܠ‬ዖփཞ‫֖ڦ‬ຕăລ௥฿ۙन๟සُăሞລ௥฿ۙෲ ֱዐLj‫ڞܠ‬ລ௥཮ᅏࣷ૶Ⴤ֪॔ᅃဣଚ֖ຕLjԈઔEEG Page 125 సհĂ੺ᄅ‫߶ۯ‬ጷĂࢬဌ‫ݴ‬ဆ(ඹओĂዐ܏Ă༹࿒ࢅܾ ᄟࣅ༐Վࣅ)Ăक඾ሏ‫ࢅۯ‬ἛำLjᅜॠ֪ລ௥‫׼ڦ‬Ⴤ้ क़ࢅዊଉĂSpO2Ăܾᄟࣅ༐౪‫ࢅ܈‬IR߶ጷăኄૌ๬ᄓ ‫ڦ‬ዘᄲႠփ܏཭၂Ljᅺྺᆶኤ਍՗௽Ljລ௥฿ۙࣷ‫ܔ‬ට ༹‫ా༹ڦ‬ೝ࢚ሰ‫ׯ‬၂ዸᆖၚLjฯ዁Ԉઔ႐ሤየཕăవ৽ వሞසࢆሞ३ณ‫ܔ‬թට‫߅ڦ‬ඡ‫ڦ‬൧઄ူվइ໯Ⴔᄲ‫ڦ‬ຕ ਍Ljᅜइ‫پڥ‬՗໱்‫ۆ‬႙Ⴉတ൧઄‫ڦ‬ኈํຕ਍ă‫ڦৃړ‬ ׂ೗ཞ้࣏๬཮֪ଉනक़ೃહLjฯ዁੗ᅜཚࡗሏ‫ۯ‬/ጩ ๞‫ߌد‬ഗၠթට݀‫؜‬য়๖Ǘሞթට֡ፕ‫כ‬ଈईऐഗLjई ኁ॔੦੣ዐ঍ཚ࠶዆‫࠲ڪ‬॰ဣཥ้Ljኄၵ‫ߌد‬ഗ੗ᅜ঴ ‫܁‬ᇑ‫ٶ‬᭡၎‫ڦޙ‬ႜྺăሞጆᆩລ௥ํᄓ๪ዐ৊ႜ‫؛‬օລ ௥ჺ৯ኮࢫLjՂႷीჄሞॆዐ॔੦໯჋ଐ݆Ljඓԍዎଐ ‫ڦ‬؊‫ݴ‬ႠࢅᆶၳႠăॆᆩยԢႴᄲ๾๢ǗጎದĂ֡ፕࢅ ๑ᆩᄲ०‫ڇ‬Ǘᄲኵ‫ڥ‬႑ડǗժీ༵ࠃ໯Ⴔᄲ‫ڦ‬ຕ਍Ljᅜ Սᆩᇀଣ‫ض‬঴‫܁‬Ljܸٗ‫ܔ‬ଐ݆৊ႜۙኝई߸߀ă ॆᆩ/ᅅᇾྔՍၻ๕ᅅଐยԢ ᅃӯ‫ں‬Ljኄၵ‫ิܠ‬૙֖ຕยԢ੗ీ՗၄ྺ‫ܠ‬ዖႚ๕Ljٗ‫ۯ‬ ༀ႐‫ࢺ॔ۉ‬ᅏᅃૌ‫ڦ‬ยԢ(ኄૌยԢऻ୤‫߲ܠ‬ECGཚ‫ڢ‬LjԈ ઔۨ೺ऻ୤ეუ‫ڦ‬ეუऺՅ࠙)Lj‫ॆڟ‬ᆩ‫ڞܠ‬ລ௥཮ᅏ(ऻ ୤ฉຎ‫ิ߲ܠ‬૙֖ຕLjኻ๟ᆌᆩ࣍ৣ๟ሞॆዐ)ă և‫ॆݴ‬ᆩ/ᅅᇾྔՍၻ๕ยԢၘ঴ǖ t ‫ۯ‬ༀ႐‫ࢺ॔ۉ‬ᅏ——ᅃዖ‫׉ݥ‬०‫ྔڦڇ‬և੗‫ٻح‬ECGLj ੗ໜ้क़‫ୁڦ‬๝๭णຕ਍Lj๭णዜ೺ཚ‫ྺ׉‬24ၭ้Ljᅃ ӯದᆶᅃ߲ᆯթට੦዆‫ڦ‬Ӏ౧Ljᆩᇀऻ୤ߌኪ‫ڦڟ‬ᅴ‫׉‬ ๚ॲ‫้ڦ‬क़LjԲසᅃን႐‫ࡗۯ‬໏Ljߌਥ‫ڟ‬႐‫ݝ‬೫‫ۯ‬ई႐ ‫ۯׄݝ‬ă t ௚ጽหঢ়ِघഗ——ૌຼᇀഐճഗLjኄၵِघഗ௬ၠ௚ ጽหঢ়LjኼሞೝတᲜᱻ཭݀ጒ઄ă໚඗փਏᆶዎଐፕ ᆩLjඐీᆶၳ‫ں‬৊ႜ੦዆Ljܸٗ३ณᲜᱻ݀ፕْຕLjই ‫گ‬ഄჹዘႠă t ศևసِघ——ྫྫీᆶၳ३ณईᅞ዆ಃূ෧թ‫ڞ‬ዂ‫ڦ‬ क඾ኒׄă t ঢ়୕‫ى‬Ⴀِघഗ——ᆩᇀዎଐჹዘᅞᇚă t ე༛ᅏࢅᅐ‫ڜ‬໎ԭ——ሁઠሁ‫ڦܠ‬թටॽഄᆩᇀ࿘ۨഄ ༹ా‫ڦ‬ე༛຤ೝLjᅜࡗฉ߸ेኟ‫ิڦ׉‬ऄă MS-2126 ‫ړ‬඗Ljኄ߲ൣ‫࣏ڇ‬੗ᅜीჄူඁ——թටጒ઄‫֪॔ڦ‬Ăփ ܏Վࣅ‫ڦ‬թ൧ᅜत‫ܔ‬ዎଐ‫ݒڦ‬ᆌLjኄၵ๟ଣ‫ํض‬७ࢅॆབྷ ॳ੃ࢺ૙‫ࢃڦ‬႐໯ሞă ഄ໱ᅅᇾྔ࣍ৣतഄႴ൱ ਃዿ‫)ॆ(ں‬Ljթට੗ᅜीჄᅜፌ‫ׯڦگ‬Ԩ࣬ްLj‫ڍ‬ᄲඓԍ ‫ۉ‬ጱ॔ࢺยԢ੗ᅜ݀‫؜‬য়๖Ljժഔ‫ۯ‬ඪࢆՂᄲ‫ڦ‬ӻዺ‫ײ‬ ႾăሞႹ‫ܠ‬൧઄ူLjኄૌຕ਍ᅙঢ়ᆩᇀ஥ႠթLjසࡕթ൧ ܱࣅLj݀ቛ‫ڟ‬थႠ঩܎Lj੗ᅜ๑թට੺໏৊෇थ৸ཚ‫ڢ‬ă ഄ໱ॆབྷՎ‫ްे߸ڥ‬ሗLjൽਦᇀ࡚ጱĂದ౾ई‫ॆٷ‬བྷࢅವ ᆷ໯࣒‫ڦ‬թ઄ăॆᆩยԢ௬ଣ‫ڦ‬ዷᄲ཈቟๟Ljঢ়ᄓփፁ‫ڦ‬ ᆩࢽᆩഐઠᄲ०‫ڇ‬Ljీࠕཚࡗۙ዆঴ۙഗईWi-Fiॠ໭ຕ ਍Ljᅜඓԍ‫ܔ‬ዎଐዜ೺ࢅवଉፔ‫؜‬๢‫ۙڦړ‬ኝă‫ॆړ‬ටԒ ߢLjթට‫ࢺ॔ڦ‬ᅏईว༹ጒ઄݀ิᅪྔՎࣅ้Lj੗ᅜӝኄ ዖፔ݆‫“ྺ׬‬႑ඪLj‫ڍ‬ᄲᄓኤ”ă ߾ፕĂሏ‫ۯ‬Ă߾ᄽईฆᄽ࣍ৣ ሞ߾ፕĂሏ‫ࢅۯ‬ഄ໱ऄ‫ۯ‬ዐ႐Ljփऺഄຕ‫ڦ‬უ૰ᅺ໎੗ీ ‫ڞ‬ዂ໦ฅईदթă‫ৃړ‬ഓᄽ‫ڦ‬ᆌ‫݆ݛܔ‬ሁઠሁ‫ںܠ‬ԈઔLj ย૬ᅅଐኑ໯Ljժದฉ၎ᆌ‫ڦ‬ටᇵLjᅜतएᇀሞթටॠֱ ࡗ‫ײ‬ዐ๭ण‫ۉڦ‬ጱ॔ࢺຕ਍֑ൽ߅ᇨ‫ٯ‬แăሞഄ໱ُૌ࣍ ৣዐLjथ৸Ԉዐ‫ڦ‬ጎԢፌณLj‫੺ీڍ‬໏ლ൱AED‫ڦ‬ӻዺLj ईኁएᇀᅃၵፌৎ݀ิ‫ݒڦ‬௬๚ॲइ‫ڥ‬ഄ໱ยԢă‫ڍ‬ഄ໱ ࣍ৣሶጎԢ৛ଆLjᅺྺᆶ֘दටे෇Ljཞ้ࣷ‫݀ة‬Ėெࡔ ֘दට݆ėዐ‫ࢇڦ‬૙ጎԢཉ੼ă‫ݥ‬ᅅଐᄽခํ༹௬ଣມዘ Քጚ࿚༶LjႴᄲኤ௽ጲमሞኍ‫݀཭ܔ‬थႠᅅଐ๚ॲ৊ႜጚ Ԣईፔ‫؜‬ၚᆌ้࿄྘ࢮኰ๰ăཚࡗऻ୤໯ᆶ࠲॰߅ᇨ‫ڦ‬๑ ᆩ/๚ॲຕ਍Lj੗ᅜइ‫ڥ‬ຕ਍ൻ‫ڦۯ‬ዊଉԍኤࢅၹᅱಢჟLj ‫ܔ‬ᇀᅺ‫ݥ‬ঢ়ᆐኁ‫ٱ‬ဃߴթටሰ‫ڦׯ‬ঢ়ष໦฿Lj࣏੗ᅜၩ‫أ‬ ၎ᆌ‫ڦ‬໕໅‫ޅ‬၃ă ॳ੃ࢺ૙‫݀ڦ‬ቛ൵๞๟Ljඇ௬॔ࢺթට‫ิڦ‬ం༹ኙLjٗ EMSၭፇ‫ٳڸ‬኱‫ڟ‬ዿᇾLjࡥ߃ኝ߲ࡗ‫ײ‬Ljසࡕթ൧ሎႹLj ࣏ᄲሞॆዐीჄ॔ࢺă‫ิܠ‬૙֖ຕ॔ࢺᅏ‫ڦ‬ૌ႙ॽൽਦᇀ թට‫ڦ‬൧઄ă ၭ঳ ၄‫پ‬ଣ‫ํض‬७ๆ‫࠲ݴ‬ጀթට‫ڦ‬႐ე࠶ࠀీࢅ‫ݬ‬ևࠀీLj‫ٷ‬స หঢ়ၚᆌLjᅜतට༹փ܏Վࣅ‫ా༹ڦ‬ೝ࢚ጒ઄ईփ࿘ۨጒ ઄ăᅅଐยԢႜᄽႴᄲփ܏ྜ฀‫ڦ‬रຍLjᅜํ၄‫ܔ‬թ൧Ă ՎࣅࢅՎࣅ໏୲‫֪॔ڦ‬ă໲்ᄲ൱༵ߛ৛‫ࢅ܈‬ዊଉLj໫३ ؅٫Lj࣏ᄲ൱ຕ਍֑णĂ‫د‬๼ࢅ٪‫ئ‬रຍ‫݀ڦ‬ቛ৊օă Page 126 MS-2126 ߳प঻෇๕ੂࢺටᇵ‫ܔۼ‬ႎᅃ‫ิپ‬ం༹ኙ֪॔रຍ༵‫؜‬କ ᄲ൱——ඓණኝ༹ް໋‫ٯ‬แ‫ڦ‬ᆶၳႠLjᆮഄ๟؊‫ڦݴ‬Ⴄև ӀუLjᅜतၠ‫ٷ‬సࠃᆌ޷ࡤᄟഘ‫ڦ‬ეୁă ଷྔLj໱்࣏ᄲ൱߀৊ටྺᅺ໎Ljᅜই‫گ‬ට߾‫ׯ‬ԨLj३ณ ‫ٱ‬ဃăፌዕยԢՂႷ‫࠶॔ࢇޙ‬ऐࠓࢅԒၨࡀۨ‫ڦ‬ፌႎᄲ ൱Lj࣏ᄲీ‫ت‬૙ࡻ௬ଣ‫ڦ‬਎‫ٷ‬໕໅཈቟ă One Technology Way t P.O. 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T09627sc-0-1/11(0) Page 127 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2125 ࠌఇᅞ዆ᇑECGጱဣཥᆶࢆ࠲ဣ ᅜतᆩઠํ၄‫؜‬෥Ⴀీ‫ڦ‬रຍ ፕኁǖBill CroneLjADIࠅິᅅଐॳ੃ဣཥ߾‫ײ‬฾ ాඹ༵ᄲ Ԩ࿔໯ຎᆩᇀᆫࣅECGጱဣཥࠌఇᅞ዆‫ڦ‬रຍঢ়ࡗ้क़ᄓ ኤLjሞ๯ံඓԍթටࢅ֡ፕටᇵҾඇ‫ڦ‬ཞ้Lj੗ํ၄‫؜‬෥ ‫ڦ‬ኑ܏Ⴀీă ߵ਍ E C G ጱ ဣ ཥ ‫ ڦ‬ᆌ ᆩ փ ཞ Lj గ ၵ ଣ ‫ ض‬൧ ઄ ူ CMR(ࠌఇᅞ዆)ՂႷ‫ߛ׉ݥ‬ăெࡔᅅଐഗႁٝ ৊ၹࣷ(AAMI)ࡀۨକ֪๬‫݆ݛ‬तՂႷ஢ፁ‫ڦ‬ ‫ۆ‬႙‫ۉ‬टፆੇփೝ࢚ࢅ฿ۙᄲ൱ăഄ໱ՔጚLjසIECĂUL ࢅ߳ࡔ‫ڦ‬ᅅଐኸସ‫ڪ‬Ljᄺ‫ࠌܔۼ‬ఇᅞ዆༵‫؜‬କ߳ዖ֪๬ ᄲ൱ă Ԩ࿔‫׃‬ຎට༹ፆੇփ೅ದĂ‫ۉ‬टࢅ‫ۉ‬મยऺĂԍࢺ‫ۉ‬ୟĂ ᆸེൻ‫ڦۯ‬๑ᆩLjᅜतഄ໱ᆖၚࠌఇᅞ዆‫੊ڦ‬୯ᅺ໎Ljժ ༵‫؜‬କ‫ܠ‬ዖ‫݆ݛ‬ઠሺഽECGጱဣཥ‫ڦ‬CMRႠీă ཮1. ට༹ፇኯ→‫ۉ‬঴ዊ→‫ۉ‬टఇ႙ ࠌఇᅞ዆ĂҾඇࢅRFI ྺକᆫࣅECGဣཥ‫ࠌڦ‬ఇᅞ዆Ljยऺ้ՂႷ৊ႜ‫ܠ‬ዘ඄࢚ ੊ଉă ๯ံ๟ೠࠚҾඇă‫ܠٷ‬ຕՔጚኸ‫؜‬Lj10 μA rms(DC዁1.00 kHz ‫)ྷݔ‬๟ECGဣཥĐኟ‫׉‬đ߾ፕ‫ڦ‬ฉ၌ă‫ܔ‬ᇀĐ‫ڇ‬ᅃࠤቱጒ ઄đLjగၵՔጚሎႹ༵ߛ‫ڟ‬50 μA rmsLj‫گڍ‬዁35 μA rms‫ڦ‬ ‫৽ୁۉ‬੗ీ໦࡞႐कă10 uA rms๟Đ‫ڇ‬ᅃࠤቱጒ઄đ‫ླྀڦ‬ ४ኵ(९֖੊࿔၅1)ă ঍ୁ‫ۉ‬ᇸ୑‫ୁۉ‬ՂႷփ‫ࡗג‬ኄᅃፌ‫ٷ‬ኵă‫ܠ‬ዖՔጚᄲ൱֪ ଉ‫ۉ‬टኮक़Ă‫ۉ‬ट૶ሞᅃഐ้ᅜत঍ୁ‫ۉ‬ᇸࠃ‫ۉڦۉ‬ट၎ ‫ڦںٷܔ‬ᇸ‫ࢅୁۉ‬ဌ‫ୁۉ‬ă ߳ዖՔጚࢅփཞࡔॆ‫ڦ‬ኸସ‫ࣷۼ‬ໜ้क़ۙኝՎࣅLjᅺُย ऺටᇵႴፏთፌႎӲԨ‫ڦ‬ᄲ൱Ljඓԍ๔ዕ‫ࢇޙ‬ҾඇՔጚLj ԈઔሎႹ‫ڦ‬ፌ‫ٷ‬ᇸ‫ࢅୁۉ‬ဌ‫ୁۉ‬Ăᇑೕ୲‫࠲ڦ‬ဣĂኍ‫ܔ‬ට ༹‫ڦ‬ᄲ൱ᅜतᆩᇀඓԍࢇࡀ‫֪ڦ‬๬‫݆ݛ‬ă ُྔLjՂႷԍࢺECGጱဣཥփ๴‫ׄأ‬ഗஞ؋(ມ၎ई‫ڇ‬ट Ⴀ)ᆖၚLjᅺُᆌሞᅏ՗‫ٷݣ‬ഗኮक़ሺे၌ୁ‫ۉ‬ୟᅜԍࢺ‫ۉ‬ ୟăଷྔ࣏ႴᄲESD(ৢ‫)ۉݣۉ‬ԍࢺ‫ۉ‬ୟă एԨႠీ ‫أ‬କҾඇᄲ൱ᅜྔLjECGጱဣཥሞ‫ྔۉ‬੔๮ຍዐࢅഄ໱ܱ ଝ࣍ৣူ(޹ৎ‫ڦ‬พೕ߅ඡRFI੗ీ࢔ߛ)LjՂႷీࠕ༵ࠃ IEC 60601-1-1तഄᄆิՔጚ໯ຎ‫“ڦ‬एԨႠీ”Lj ኄԈઔ‫ݧ‬ ऐĂૃ‫ٳ‬Ăआ‫ৣ࣍ڪذ୾ࢅכ‬ă ࠌఇ႑ࡽᇸ ࠌఇ‫ۉ‬უᇸཚ‫ྺ׉‬ೕ୲50 Hzई60 HzĂ၍ୟ‫ۉ‬უፌߛ‫ٳ‬ 264 VAC rms‫ڦ‬঍ୁ‫ۉ‬ᇸă౹ዞଚ‫ۆݥڪכ‬႙࣍ৣ֑ᆩ 16.666 Hz‫߾ڦ‬ፕೕ୲Ljᄺ੗ీ๟ᅃ߲ࠌఇ๼෇ᇸă ට༹ࢅECGጱဣཥഄ໱‫ۉ‬ୟୟ০‫ࠌڦ‬ఇఇ႙ ሞ཮2ዐLjࠌఇ႑ࡽཚࡗĐට༹൹߅đ᳘ࢇLjٗೄ‫ޒ‬՗௬ ঢ়ࡗ‫ۉ‬঴ዊĂ‫ۉ‬ट‫ٳڟ‬ECG‫ۉ‬ट၍Ljঢ়ࡗ‫ׄأ‬ഗԍࢺ‫ۉ‬ Page 128 MS-2125 ཮2. ECGጱဣཥࠀీ઀཮ ୟĂRFI๼෇୳հĂᅏ՗‫ٷݣ‬ഗĂ߰૗‫ں‬ᇑ‫ںٷ‬ኮक़‫ۉڦ‬ ඹ‫ںٷٳڟ‬ă཮1ߴ‫؜‬କECG‫ۉ‬टतഄᇑೄ‫ޒ‬՗௬থ੨‫ڦ‬ ፆੇఇ႙ă঍ୁ‫ۉ‬ᇸᄺ੗ᅜཚࡗECG‫ۉ‬મ᳘ࢇ‫ڟ‬ECGĐമ ‫܋‬đLj๼෇ԍࢺ‫ۉ‬ୟሶ‫ݞ‬ኹ‫ׄأ‬ഗஞ؋‫ྔڪ‬ևຨՎᆖၚ‫ۉ‬ ୟLjཚࡗ߰૗‫ۉ‬ᇸ኱থ᳘ࢇăᅏ՗‫ٷݣ‬ഗ๼෇‫ڦ܋‬യሞ RFIኝୁᄺ੗ీᆅഐᅏ՗‫ٷݣ‬ഗࠌఇᅞ዆࿚༶ă ࠌఇገֶఇ ঍ୁ႑ࡽࢅECG႑ࡽ਩ཚࡗECGമዃ‫ٷݣ‬ഗጱဣཥዐ‫ۉڦ‬ टઠ֪ଉLjᅺُඓԍࠌఇ႑ࡽփԥገ࣑ྺĐֶఇđ႑ࡽ‫ݥ‬ ‫׉‬ዘᄲăECG‫ۉ‬टፆੇփ೅ದĂ‫ۉ‬મ‫ۉ‬ඹࢅ‫ׄأ‬ഗ၎࠲ԍ ࢺ‫ۉ‬ୟ(ཚ‫֑׉‬ᆩ‫ۉ‬ፆࢅSCR/ᩨ‫ۉ‬უ၌‫ޗ‬ഗ‫ڦ‬ႚ๕)‫ڦ‬঳ ࢇLjሺഽକํ၄ࠌఇገֶఇ‫ڦ‬੗ీႠă ፇኯ/‫ۉ‬ट࿚༶ ‫ۉܔ‬टԨวܸჾLjሞೄ‫ڦޒ‬ፇ‫ׯ‬঳ࠓዐLjፌྔ֫——Đঙ ዊ֫đ‫ڦ‬ፆੇፌߛLjܸ൐ሞ‫گ‬ೕ้Վࣅ‫ٷ׉ݥ‬Ljժ൐ໜೕ ୲ܸՎࣅăፆੇᇑ‫ۉ‬ट֌ଙĂ؅٫Ăቕ঳वĂ໯ᆩ‫ۉڦ‬঴ ዊतೄ‫ޒ‬Ԩว‫֫ྔڦ‬/ጒ઄ᆶ࠲ăྺକඓԍፆੇፌ‫گ‬ժ༵ߛ ፆੇሞ‫ۉ‬टহ௬‫ڦت‬࿘ۨႠLjሞ‫ݣ‬ዃ‫ۉ‬टኮമLjగၵԢೄ रຍ๑ᆩĐ෪ኽđፕྺĐԢೄđă၎Բഄ໱‫׉‬ᆩ֌ଙLjగ ၵፇ‫ڦׯ‬Ag/AgCl‫ۉ‬ट੗༵ࠃፌ‫ڦگ‬ፆੇࢅ฿ۙăሞኝ߲ ೕ୲‫ాྷݔ‬Lj‫ۉ‬टኮक़‫ڦ‬ፆੇֶ੗ీߛ‫ٳ‬50,000 Ωăই‫گ‬ኄ ዖփ೅ದᆶዺᇀ३ၭࠌఇገֶఇ‫ڦ‬੗ీႠ (९֖੊࿔၅2)ă Page 129 ECG‫ۉ‬મ ྺକԍࢺ‫ۉ‬ୟփ๴‫ׄأ‬ഗᆖၚLjగၵECG‫ۉ‬મࣷഴ෇2.5 kΩ ዁49.9 kΩ‫ڦ‬ԍࢺ‫ۉ‬ፆăසࡕ޿‫ۉ‬ፆփሞ‫ۉ‬મዐLjሶ໲ཚ‫׉‬ ࿋ᇀPCBฉăᅺྺᇑRFI୳հഗথ੨Lj໯ᅜኄၵ‫ۉ‬ፆ‫ڦ‬೅ದ ‫׉ݥ‬ዘᄲăᅃዖᆩઠॽ‫ۉ‬મፆੇփ೅ದ‫ڦ‬ᆖၚই዁ፌ‫ڦگ‬ रຍ๟ᅜᆶᇸ‫ݛ‬๕ൻ‫ۉۯ‬મೡԸ༹ă RFI୳հഗ ྺ‫ݞ‬ኹRFI৊෇ᅏ՗‫ٷݣ‬ഗ‫ڦ‬๼෇पLjཚ‫׉‬๑ᆩX2Y RFI୳ հഗLjഄֶఇࢅࠌఇፆੇՂႷ೅ದă၎ԲᇀՔጚ՗ཌྷ‫ۉ‬ ඹLjण‫ׯ‬2XY RFI୳հഗਏᆶᆫᅴ‫ڦ‬༬ႠLjܸ൐঳ࠓᆶ૧ᇀ ํ၄‫؜‬෥‫ڦ‬Ⴀీ (९֖੊࿔၅6)ă ᆩᇀၩ३๼෇ࠌఇ႑ࡽ‫ڦ‬रຍ RLD WinterĂWilsonĂSpinelli‫ڪ‬ට༵‫ڦ؜‬ᆸེൻ‫(ۯ‬९֖੊࿔၅ 4ࢅ5)Lj๟ᅃዖᆩઠই‫گ‬ᅏ՗‫ٷݣ‬ഗֶ‫ݴ‬๼෇‫؜܋‬၄‫ࠌڦ‬ఇ ႑ࡽ๼෇‫ۉ‬ೝ‫ڦ‬रຍăఇ႑ࡽ‫ڦ‬ই‫܈ײگ‬๴၌ᇀీࠕ༵ࠃ ߴթට‫ڦ‬RLD‫ୁۉ‬ଉă‫ܔ‬ᇀRLDLjᆌ੊୯๑ᆩSpinelli໯ຎ ‫ٷݣڞੵڦ‬ഗă ݆ઙ‫ڼ‬ೡԸ ݆ઙ‫ڼ‬ೡԸ‫׉‬ᆩᇀޮ߃ECGമ‫܋‬Ljԍࢺ໲փ๴࣍ৣRFIࢅ ঍ୁ‫ۉ‬ᇸ᳘ࢇ‫ڦ‬ᆖၚLjස཮2໯๖ă݆ઙ‫ڼ‬ೡԸᆶዺᇀই ‫گ‬ᅏ՗‫ٷݣ‬ഗ๼෇‫܋‬ኮമĂ႑ࡽ૾ฉഄ໱෇੨‫ۅ‬ዐ‫ڦ‬঍ୁ ‫ۉ‬ᇸ᳘ࢇLjසCe1ࢅCe2‫ڪ‬ă ᅏ՗‫ٷݣ‬ഗ ᅏ՗‫ٷݣ‬ഗ‫ۉڦ‬ᇸ‫ۉ‬უՂႷፁࠕߛLjᅜՍኧ‫׼‬ཚ‫ྺ׉‬±1.0 V ‫ࠌࢅݴֶڦ‬ఇ๼෇‫ۉ‬უ‫ྷݔ‬ăగၵᆌᆩႴᄲ߸ߛ‫ݴֶڦ‬๼ ෇‫ۉ‬ೝǖ±2.0 Văᅏ՗‫ٷݣ‬ഗՂႷਏᆶ1 nAई߸‫ڦگ‬ೋዃ ‫(ୁۉ‬ፌࡻྺ100 pA)Ăट‫ڦگ‬ሯำ‫ୁۉ‬Ăट‫ڦگ‬ሯำ‫ۉ‬უLj ᅜत‫ܔ‬ፌߛ঍ୁ‫ۉ‬ᇸೕ୲‫ڦ‬࿵ْၿհ‫ࠌߛڦ‬ఇᅞ዆ăႴᄲ ࠲ጀ‫ۆڦ‬႙ೕ୲ྺǖ 16.666 HzĂ50 HzĂ60 HzĂ100 HzĂ 120 HzĂ150 Hzࢅ180 Hză ‫ڼ‬ᅃपᅏ՗‫ٷݣ‬ഗ‫ݴֶڦ‬኱ୁሺᅮཚ‫׉‬ሞ5‫ڟ‬10‫ాྷݔڦ‬ ยዃăසࡕ๼෇ᅏ՗‫ٷݣ‬ഗీࠕၠ႑ࡽ‫ڦ‬঍ୁև‫ࠃ༵ݴ‬ሺ ᅮLjܸփၠ኱ୁև‫ࠃ༵ݴ‬ሺᅮLjሶᄺ੗ᅜยዃ߸ߛ‫ڦ‬ሺ MS-2125 ᅮăႴᄲ඄࢚੊୯‫ڦ‬ᅺ໎ᆶሯำႠీĂ‫ۯ‬ༀ๼෇‫ۉࢅྷݔ‬ ᇸ‫ۉ‬უă DSPၩ३ࠌఇ႑ࡽ ཚࡗĐᆘॲđ‫݆ݛ‬ၩ३ࠌఇ႑ࡽኮࢫLj֘ᇆࠌఇ႑ࡽ੗ᅜ ሞຕጴᇘዐ‫ت‬૙ă‫׉‬ᆩ‫ڦ‬ᅃၵरຍԈઔFIR။հ୳հഗĂ ጲ๢ᆌ୳հഗࢅࠌఇ႑ࡽԨว‫ڦ‬Đຕጴၩ३đăยऺටᇵ ՂႷၭ႐৉ัLjඓԍECG႑ࡽ‫ڦ‬Đኑ܏ྜኝႠđփࣷᅺྺ ๑ᆩኄၵरຍܸ๴໦Ljժ൐ଣ‫ض‬ᅅิ‫ڦ‬Đֶ‫ݴ‬ኑ܏đփࣷ ๴‫ڟ‬గၵയሞरຍ‫ڦ‬փ૧ᆖၚă။հ୳հഗ‫ڦ‬๑ᆩᆶ้٪ ሞᅃၵኛᅱLjᅺྺ໲ࣷᆖၚణՔ႑ࡽ‫ڦ‬၎࿋/‫܈ޗ‬฿ኈă ECGဣཥՂႷ‫࠲ࢇޙ‬ᇀ“ኑ܏‫ڦ”੻ټ‬Քጚă ၭ঳ ECGጱဣཥ‫ࠌߛڦ‬ఇᅞ዆ยऺᄲ൱ยऺටᇵӝ࣒ኁࢅ֡ፕ ටᇵ‫ڦ‬Ҿඇᄲ൱‫ݣ‬ሞ‫ڼ‬ᅃ࿋ăగၵᆩᇀሺഽࠌఇᅞ዆‫ڦ‬र ຍํाฉ੗ీ༵ࣷߛ୑‫ୁۉ‬LjᅺُՂႷՆ௨๑ᆩăԨ࿔໯ ຎ‫ڦ‬रຍঢ়ࡗ้क़ᄓኤLjᆶዺᇀํ၄‫؜‬෥‫ڦ‬ኑ܏Ⴀీă ֖੊࿔၅ 1. Đ࿚༶ႎ༑ǖ‫ۉ੻ݣ‬ጱᅅଐยԢ‫ڦ‬Ҿඇ‫ୁۉ‬၌ኵࣷሺे թට‫ླڦ‬၃஘ǛđMichael M. Laks(ᅅბձ๗)ĂRobert Arzbaecher(ቾბձ๗)ĂDavid Geselowitz(ቾბձ๗)Ă James J. Bailey(ᅅბձ๗)ĂAlan Berson(ቾბձ๗)Lj CirculationLj2000Ǘ102ǖ823-825ă 2. Đߛዊଉऻ୤ิ࿿‫ۉ‬๚ॲLj‫ڼ‬ᅃև‫ݴ‬ǖ३ณ߅ඡLj૙ஃ ᇑํ७ăđA.C. Metting Van RijnĂA. PeperĂC.A. FrimbergenLjᅅბჺ৯ዐ႐Ljᅅბ࿿૙ဣLjMeibergdreef 15 1105 AZ Үఛຯ༬‫چ‬Ljࢁન 3. ĐX2Y RFI୳հഗăđJohanson Dielectricsăॠ໭න೺ǖ 1/11Ǘ ྪ ኷ ǖ http://w w w.johans ondielec tr ics.com/x2yproducts/x2y-for-emi-filtering.html 4. Đᆸེൻ‫ۉۯ‬ୟยऺLjđBruce WinterĂJohn G. WebsterLj IEEE Transactions on Biomedical EngineeringLj ‫ڼ‬BME-30 ਝLj1983౎1ሆă 5. Enrique Mario Spinelli‫ڪ‬LjĐੵ‫ڞ‬႙ᆸེൻ‫ۉۯ‬ୟLjđ IEEE Transactions on Biomedical EngineereingLj‫ڼ‬46ਝLj ‫ڼ‬12೺Lj1999౎12ሆă Page 130 MS-2125 ጨᇸ ᇡକ঴ᆶ࠲ᅅଐॳ੃႑ࡽ‫ت‬૙रຍࢅᆌᆩ‫ܠ߸ڦ‬႑တLj൩ ‫ݡ‬࿚ǖXXXBOBMPHDPNDOIFBMUIDBSF One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. T09626sc-0-1/11(0) Page 131 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-1908 ႊೌप‫ހ‬ጎᆶዺᇀՍၻ๕ᅅଐย Ԣ३ၭ؅٫ժ३ൟዘଉ ፕኁǖMike DelausࢅSantosh Kudtarkar(ADIࠅິ) ాඹ༵ᄲ ঺ዺৗᇶपႊೌप‫ހ‬ጎLj঻෇Ⴀॠ֪Ăᅅბኲ෇༹Ăᅃْ Ⴀ॔ࢺᅏ‫ڪ‬Սၻ๕ᅅଐยԢ‫ڦ‬ยऺ฾੗ᅜ३ၭ؅٫Ăই‫گ‬ ࠀࡼႴ൱。 ሞᅅଐยԢยऺଶᇘLjᅃ߲ዘᄲ൵๞๟༵ߛኄၵ ยԢ‫ڦ‬ՍၻႠLj๑ഄጽৎթටLj৊෇ኑ໯ईթ ටॆዐăኄภत‫ڟ‬ยऺ‫ݛݛڦ‬௬௬Ljᆮഄ๟؅ ٫ࢅࠀࡼăৗᇶपႊೌप‫ހ‬ጎ(WLCSP)‫ڦ‬ሏᆩ ‫ܔ‬३ၭኄၵยԢ‫ۉ‬ጱፇॲ‫ڦ‬؅٫ഐ‫ڟ‬କट‫ڦٷ‬ዺླྀፕᆩă ُૌႎ႙ᆌᆩԈઔ঻෇Ⴀॠ֪Ăᅅბኲ෇༹ࢅᅃْႠՍၻ ๕॔ࢺᅏă‫ڍ‬๟ྺକፌ‫ٷ‬၌‫؜ࣩ݀ں܈‬WLCSP‫ހ‬ጎሞႠీ ࢅ੗੍Ⴀ‫ݛ‬௬‫ڦ‬യ૰Ljยऺ฾ՂႷሞᆇຘ‫ۉ‬ୟӱ(PCB)ࡰ ಎ཮ႚĂࡰಎ՗௬ࢅ‫ۉ‬ୟӱࢩ‫ڦ܈‬ยऺ‫ݛ‬௬࠻‫ן‬ፌॅํ७ ፔ݆ă ৗᇶपႊೌप‫ހ‬ጎ๟‫ڛ‬ጎႊೌࢻ૴रຍ‫ڦ‬ᅃ߲Վ༹(཮1)ă ሞWLCSPዐLjႊೌऄႠ௬֑ᆩ‫ݒ‬ገ๕ยऺLjཚࡗࡰ൰૶থ ዁PCBăᅃӯ‫ں‬Ljኄၵࡰ൰‫ڦ‬؅٫ፁࠕ‫(ٷ‬0.5 mmक़ਐLj࣮ ୁമྺ300 μmLj0.4 mmक़ਐLj࣮ୁമྺ250 um)Lj࿮Ⴔ‫ڛ‬ጎ ࢻ૴रຍ໯Ⴔᄲ‫ڹڦ‬ևག؊ă޿ࢻ૴रຍᆶ‫߲ܠ‬ᆫ๞ă ๯ံLjᆯᇀၩ‫أ‬କ‫ڼ‬ᅃप‫ހ‬ጎ(໒‫֌ހ‬ଙĂᆅগॐࠓईᆶऐ एӱ)Ljᅺܸ੗ᅜবู‫ޗٷ‬੣क़ă૩සLjᅃ߲8ᆅগWLCSP ໯቞‫ۉ‬ୟӱ௬ओৈ၎‫ړ‬ᇀᅃ߲8ᆅগSOIC‫ڦ‬8%ăഄْLjᆯ ᇀၩ‫أ‬କՔጚ໒‫ހ‬ዐ๑ᆩ‫ڦ‬၍ࡰࢅᆅগLjᅺܸ੗ᅜ३ၭ‫ۉ‬ ߌLj༵ߛ‫ۉ‬ഘႠీă ଷྔLjᆯᇀၩ‫أ‬କᆅগॐࠓࢅ໒‫֌ހ‬ଙLjᅺܸ੗ᅜ३ൟዘ ଉLjই‫ހگ‬ጎࢩ‫܈‬ă࿮Ⴔ‫ڹ‬ևག؊Ljᅺྺ੗ᅜ๑ᆩՔጚ՗ ཌྷ(SMT)ፇጎยԢăፌࢫLj‫گ‬ዊႊೌሞࡰဍࠦࣅ೺क़ਏᆶ ጲ‫ܔۯ‬ഋ༬ႠLjᆶ૧ᇀ༵ߛጎದ‫ׯ‬೗୲ă ‫ހ‬ጎ঳ࠓ WLCSPሞ঳ࠓฉ੗‫ྺݴ‬ଇૌǖ኱থཫ‫ࢅۅ‬ም‫ݴ‬ದ֫(RDL)ă ኱থཫ‫ۅ‬WLCSPԈઔᅃ߲੗჋‫ڦ‬ᆶऐ֫(਋ḅჱӃ)Lj؊‫ړ‬ ႊೌऄႠ௬‫ڦ‬ᆌ૰࣐؋֫ă਋ḅჱӃޮ߃ጣႊೌฉ‫ࡰأ‬ಎ ዜྷਸ੨ኮྔ‫ڦ‬໯ᆶ൶ᇘă޿ਸ੨ฉ಩ཱᆶई‫܆‬ᆶᅃ֫ཫ ‫ূူۅ‬ຌ(UBM)ăUBMᆯփཞ‫ূڦ‬ຌ֫۠ेܸ‫ׯ‬Lj؊‫ړ‬ક ො֫Ăፆ‫֫ڔ‬Ă৐ා֫ࢅੇᄟࣅ֫ăॽࡰ൰‫ڰ‬஌(ኄ๟ഄ‫׬‬ ྺ஌൰‫ڦ‬ᇱᅺ)ሞUBMฉLjժঢ়࣮ୁႚ‫ࡰׯ‬থཫ‫཮(ۅ‬2)ă ཮1. WLCSP‫ހ‬ጎ ཮2. ኱থཫ‫ۅ‬WLCSP Page 132 MS-1908 ཮3. ም‫ݴ‬ದ֫(RDL) WLCSP ሏᆩRDLरຍLj੗ᅜӝኍ‫ܔ‬၍ࡰยऺ‫ڦ‬ႊೌ(ࡰಎᄂྔྷಇ ଚ)ገ࣑‫ׯ‬WLCSPăᇑ኱থཫ‫ۅ‬փཞLjኄૌWLCSP֑ᆩକ ଇ߲਋ḅჱӃ֫ă‫ڼ‬ᅃ߲਋ḅჱӃ֫‫ۏק‬ሞႊೌฉLj๑ࡰ ಎԍ‫׼‬ਸ‫ݣ‬ă඗ࢫ಩ཱई‫܆‬ฉᅃ֫RDLLjӝྔྷንଚገ࣑ ‫ׯ‬௬ओንଚă඗ࢫLjࠓሰ߾ᅝᇑ኱থཫ‫ۅ‬၎ཞLjԈઔ‫ܾڼ‬ ֫਋ḅჱӃĂUBMࢅ஌൰(཮3)ă ஌൰ࢫሶ๟ৗᇶԝ௬ჺఉĂघ࠼‫ٶ‬ՔĂ֪๬Ă‫ݴ‬૗तਝ‫ࢅټ‬ ਝಎăሞԝ௬ჺఉ߾ႾኮࢫLj࣏੗჋ስแᆩԝ௬֫უӱLj ᅜ३ณൎߪ้ሰ‫ڦׯ‬ႊೌྃ૗࿚༶Lj०ࣅ‫ހ‬ጎ‫ت‬૙߾ፕă ፌॅPCBยऺํ७ ‫ۉ‬ୟӱยऺ‫࠲ڦ‬॰֖ຕྺࡰಎਸ੨Ăࡰಎૌ႙Ăࡰಎ՗௬ ࢅ‫ۉ‬ୟӱࢩ‫܈‬ăएᇀIPCՔጚLjࡰಎਸ੨‫ڪ‬ᇀUBMਸ੨ă ‫ܔ‬ᇀ0.5 mmक़ਐWLCSPLj‫ۆ‬႙ࡰಎਸ੨ྺ250 μmLj0.4 mm क़ਐWLCSPྺ200 μm(཮4)ă ፆࡰ֫ਸ੨ྺ100 μmᇑࡰಎਸ੨ኮࢅăጽ၍੻‫܈‬ᆌၭᇀࡰ ಎਸ੨‫ڦ‬ෙ‫ݴ‬ኮܾăሺेጽ၍੻‫܈‬੗ᅜ३ณࡰথཫ‫ڦۅ‬ኧ ዹߛ‫܈‬ăᅺُLjྼ‫׼‬ኟඓ‫ڦ‬ጽ၍੻‫܈‬Բ‫ܔ‬ᇀඓԍࡰ‫ۅ‬੗੍ Ⴀᄺ࢔ዘᄲă‫ܔ‬ᇀ‫ۉ‬ୟӱ዆ሰઠຫLj՗ཌྷጎದ๑ᆩଇૌࡰ ಎ཮ႚ(཮5)ǖ • ‫ݥ‬ፆࡰ֫၌ۨ(NSMD)ǖPCBฉ‫ূڦ‬ຌࡰಎ(I/Oጎሞഄ ฉ)ၭᇀፆࡰ֫ਸ੨ă • ፆࡰ֫၌ۨ(SMD)ǖ ፆࡰ֫ਸ੨ၭᇀূຌࡰಎă ཮5. ࡰಎૌ႙ ᆯᇀཟ์ਗ਼߾ᅝԲፆࡰਸ੨߾ᅝᆶጣ߸ेჹ߭‫ڦ‬੦዆Ljᅺ ُNSMDԲSMD߸‫׉‬ᆩăNSMDࡰಎฉ‫ڦ‬ፆࡰਸ੨Բཟࡰ ಎ‫ٷ‬Lj๑ࡰဍ੗ᅜᅈ޹ᇀཟࡰಎ຺ዜLjܸ༵ٗߛࡰ‫ڦۅ‬੗ ੍Ⴀă ূຌࡰಎฉ‫ڦ‬՗֫‫ܔ‬ጎದ‫ׯ‬೗୲ࢅ੗੍Ⴀ‫ۼ‬ᆶጣศਗ਼‫ڦ‬ᆖ ၚă֑ᆩ‫ۆڦ‬႙ূຌࡰಎ՗௬‫ت‬૙߾ᅝྺᆶऐ՗௬‫ޫݞ‬ (OSP)ࢅ࿮‫܆ۉ‬౜৐ূ(ENIG)ଇዖăূຌࡰಎฉOSP՗֫‫ڦ‬ ࢩ‫ྺ܈‬0.2 μm዁0.5 μmă޿՗֫ࣷሞ࣮ୁࡰ߾Ⴞዐኖ݀Ljࡰ ଙᇑূຌࡰಎኮक़ࣷ݀ิহ௬‫ݒ‬ᆌă ENIG՗֫ᆯ5 μm‫ڦ‬࿮‫܆ۉ‬౜ࢅ0.02 μm዁0.05 μm‫ׯࠓূڦ‬ă ሞ࣮ୁࡰࡗ‫ײ‬ዐLjূ֫੺໏ම঴Lj඗ࢫLj౜ࢅࡰଙኮक़ࣷ ݀ิ‫ݒ‬ᆌă‫׉ݥ‬ዘᄲ‫ڦ‬๟Ljᄲ๑ূ֫‫܈ࢩڦ‬ԍ‫׼‬ሞ0.05 μm ᅜူLjᅜ‫ݞ‬ႚ‫ׯ‬٤Ⴀূຌक़ࣅࢇ࿿ăՔጚ‫ۉڦ‬ୟӱࢩ‫ݔ܈‬ ྷሞ0.4 mm዁2.3 mmኮक़ă჋ስ‫܈ࢩڦ‬ൽਦᇀᅙག؊ဣཥ ཮4. ࡰಎਸ੨ Page 133 ፇॲ‫ڦ‬୛ԀႠăডԋ‫ۉڦ‬ୟӱࣷ‫ڞ‬ዂࡰথথཀྵሞඤ޶ሜཉ ॲူ‫ڦ‬२ൎᆌ૰‫ྷݔ‬Ăಂ‫ۉ‬२ൎᆌՎ‫ࢅྷݔ‬ಂ‫ۉ‬ᆌՎీଉ ௢‫ྷݔ܈‬ՎၭăᅺُLjডԋ‫ڦ‬ओ֫‫ۉ‬ୟӱࣷჽ‫ࡰ׊‬থথཀྵ ‫ڦ‬ඤೃહ๱ంă ֪๬ࢅೠࠚ ঳ࢇമຎՎଉLjWLCSP‫ڦ‬੗੍Ⴀཚࡗ‫ܔ‬ഗॲ৊ႜे໏უ૰ ֪๬ઠೠࠚLjُૌ֪๬Ԉઔߛ࿒٪‫(ئ‬HTS)Ăߛे໏უ૰ ֪๬(HAST)Ăߛუࡒ֪๬Ă࿒‫܈‬თ࣍Ăߛ࿒߾ፕ๱ం֪๬ (HTOL)ࢅ࿮ೋߛे໏უ૰֪๬(UHAST)ă‫أ‬କඤऐႁᆻ‫ڞ‬ Ⴀუ૰֪๬ᅜྔLj࣏ᄲ৊ႜ጗஌Ăྖ൸‫ڪ‬ऐႁ֪๬ă MS-1908 HTS֪๬ኼሞඓۨሞփแेඪࢆ‫ۉ‬ᆌ૰‫ڦ‬൧઄ူLjߛ࿒ཉ ॲူ‫׊‬೺٪‫ܔئ‬ഗॲ‫ڦ‬ᆖၚă޿֪๬ೠࠚഗॲሞߛ࿒ཉॲ ူ‫׊ڦ‬೺੗੍Ⴀă‫ۆ‬႙֪๬ཉॲྺሞ150°Cࢅ/ई175°Cူ‫׼‬ Ⴤ1000ၭ้ăํแ֪๬้ᄲӝഗॲԓ୞ሞኸۨ࣍ৣ࿒‫܈‬ኮ ူLjժ‫׼‬Ⴤኸۨ‫׊้ڦ‬ă ጨᇸ ᇡକ঴ᅅଐॳ੃ᆌᆩ‫ܠ߸ڦ‬႑တLj൩‫ݡ‬࿚www.analog.com DOhealthcareă One Technology Way • P.O. 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T09525sc-0-12/10 Page 134 www.analog.com/cn ©2010 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2066 ‫ߌد‬ഗ‫ۉ‬ୟ‫گڦ‬ሯำ႑ࡽۙ૙ ፕኁǖReza MoghimiLjADIࠅິᆌᆩ߾‫ײ‬ঢ়૙ ాඹ༵ᄲ ሞ‫ࡼࠀگ‬Ă‫ׯگ‬ԨยऺዐLj৑ଉই‫گ‬ဣཥሯำ዁࠲ዘᄲă ྺକٗ႑ࡽۙ૙‫ۉ‬ୟइ‫ڥ‬ፌ‫گ‬ሯ‫ࢅڹ‬ፌॅႠీLjยऺටᇵ ՂႷକ঴ᇮॲपሯำᇸժሞऺ໙ఇెമ‫ڦ܋‬ጺሯำ้؊‫ݴ‬ ੊୯ኄၵሯำᇸ——ැᄲኍ‫ܔ‬टၭ႑ࡽํ၄ߛ‫ݴ‬Ր୲Lj৽ ՂႷీࠕཪࡗຕ਍๮֩ฉᆶ၌‫ڦ‬ሯำኸՔକ঴ాሞԨዊLj ኄ‫ۅ‬዁࠲ዘᄲă௅߲‫ߌد‬ഗ‫ۼ‬ਏᆶጲว‫ڦ‬ሯำĂፆੇࢅၚ ᆌ༬ႠLjᅺُॽ໲்೅ದ‫ڟ‬ఇెമ‫܋‬๟ยऺࡗ‫ڦײ‬ᅃ߲ዘ ᄲև‫ݴ‬ăᆶ‫ܠ‬ዖ‫݆ݛ‬੗ᅜऺ໙‫ۉ‬ୟ‫ڦ‬ሯำ——ሞኴႜሯำ ‫ݴ‬ဆࢅऺ໙ኮമLj໯ᆶኄၵ‫ۼ݆ݛ‬ᆌ޿ံᆫࣅದዃ႑ࡽۙ ૙‫ۉ‬ୟăසࡕᆶଆࡻ‫ڦ‬ሏ໙‫ٷݣ‬ഗSPICEఇ႙੗ᆩLjሶ๑ ᆩSPICE๟ፌ०Ս‫݆ݛڦ‬ă ৛ඓ‫ڦ‬႑ࡽۙ૙ࢅߛ‫ݴ‬Ր୲֪ଉᅙփምਆ၌ᇀ߾ᄽईᅏഗ ᅏ՗ᆌᆩăՍၻ๕ၩ‫ۉݯ‬ጱยԢ‫ڦ‬ยऺටᇵᄺႴᄲॽဣཥ ሯำই዁ፌ‫گ‬ăᆯᇀ‫ۉࠃ׾ۉ‬ยԢዐ‫ڦ‬႑ࡽ‫ۉ‬უডၭLjᅺ ُኄ੗ీ၎‫ړ‬ਏᆶ཈቟Ⴀăဣཥ৛‫܈‬ൽਦᇀሯ‫ڹ‬ăྺକٗ ႑ࡽۙ૙‫ۉ‬ୟइ‫ڥ‬ፌ‫گ‬ሯ‫ࢅڹ‬ፌॅႠీLjยऺටᇵՂႷକ ঴ᇮॲपሯำᇸժሞऺ໙ఇెമ‫ڦ܋‬ጺሯำ้؊‫੊ݴ‬୯ኄ ၵሯำᇸă ᅃၵยऺටᇵॕ႑჋ስሯำፌ‫ڦگ‬ᇮॲ੗ᅜ঴ਦഄ໯ᆶ႑ ࡽۙ૙ሯำ࿚༶ăኄዖၙ݆๟ᅃ߲ࡻ‫ڦ‬ഐ‫ۅ‬Lj‫ڍ‬๟႑ࡽۙ ૙ᆌᆩዐ֑ᆩ‫ٷڦ‬և‫ݴ‬IC‫ٷݣ‬ഗࢅएጚ‫ۉ‬უᇸሞຕ਍๮֩ ዐৈࣷߴ‫؜‬ब߲ᆶ၌ೕ୲‫ڦت‬ሯำࡀ߭ăᅺُLjยऺටᇵ ኻీཚࡗᆶ၌‫ڦ‬႑တઠ჋ስഗॲă໱்փኪ‫ڢ‬ᇮॲሯำઠ ጲన૛ᅜत๴నၵᅺ໎ᆖၚLjሯำ๟‫ޏ‬ໜጣ้क़Ă࿒‫ࢅ܈‬ ‫ۉ‬ୟದዃܸՎࣅLjई๟ሞ჋ስሯำፌ‫ڦگ‬ഗॲമ๟‫ޏ‬Ⴔᄲ କ঴዆ሰ߾ᅝăሞ‫ࡼࠀگڦৃړ‬Ă‫ׯگ‬ԨยऺዐLj࢔‫ܠ‬ဣ ཥ࿮݆‫׶‬๴ፌӆࡍ‫ڦ‬ഗॲईཚࡗ༵ߛࠀࡼઠই‫گ‬ሯำ‫ڦ‬ഗ ॲăԨ࿔๯ံ༑༪କኄၵࣆ༶Lj඗ࢫྺ჋ስ๮ཀྵยऺඪခ ‫ڦ‬ፌॅᇮॲ༵ࠃକኸళă ‫گ‬ሯำยऺሞ‫ৃړ‬Սၻ๕ၭ߾ਏዐՎ‫࢔ڥ‬ዘᄲăᅃӯܸჾLj ሯำ๟ኸᆖၚᆶᆩ႑တዊଉ‫ڦ‬ඪࢆ߅ඡ႑ࡽăྺକ૙঴‫گ‬ ሯำยऺ‫ڦ‬ዘᄲႠLj࿢்ઠੂੂ཮1໯๖‫ۆڦ‬႙႑ࡽ૾ă ཮1. ‫ۆ‬႙‫ڦ‬ၩ‫ۉݯ‬ጱ႑ࡽ૾ ཮2. LSB‫ٷ‬ၭໜጣ஢ଉ‫ײ‬႑ࡽই‫ܸگ‬໫ၭ Page 135 MS-2066 ‫׉‬९‫ߌدڦ‬ഗᆌᆩᅙঢ়ࡗ‫֑ڟ܉‬ᆩ߸‫߾ڦگ‬ፕ‫ۉ‬ᇸ‫ۉ‬უ(ٗ ब౎മ‫ڦ‬±22 V‫ৃڟ‬ཀ‫ڦ‬±0.9 V)LjሞLSB‫ٷ‬ၭ໫३‫ڦ‬ཞ้‫ܔ‬৛ ‫؜༵܈‬କ߸ߛᄲ൱Ljස཮2໯๖ă૩සLjഛ‫כ‬ႜᄽᅙٗ8࿋ ဣཥࡗ‫ڟ܉‬12࿋ई߸ߛ࿋ຕ‫ڦ‬ဣཥă޿൵๞๑‫֪ڥ‬ଉ‫ߌد‬ ഗׂิ‫ۉޚྲڦ‬უๆ‫ݴ‬ਏᆶ཈቟Ⴀăยၙᅃ߲ํा‫ߌد‬ഗ ፌ‫ׯิٷ‬30 mV‫ڦ‬႑ࡽ(‫׉׉ݥ‬९)ăሞኄዖ൧઄ူLj12࿋ဣ ཥዐ‫ڦ‬1/2 LSB๟3.5 μVLjᅺُLjසࡕᆩፕఇెമ‫ٷݣڦ܋‬ഗ ਏᆶ1 μV‫ڦ‬ችࢇ‫ڟ‬๼෇‫܋‬ሯำLj֪ଉዊଉॽ๴‫ڟ‬ᆖၚă ႑ሯԲ ൻ‫ۯ‬ADC้ԍ‫׼‬ড‫ڦگ‬ఇెമ‫܋‬ሯำཞᄣ‫׉ݥ‬ዘᄲăኄ‫ܔ‬ ᇀՆ௨ই‫گ‬႑ሯԲ(SNR)ઠຫ዁࠲ዘᄲă‫ٷݣ‬ഗᆅഐ‫ڦ‬SNR Ⴀీူই৫ኵ(‫ڇ‬࿋dB)ྺǖ ഄዐǖ NADC๟ADC‫ڦ‬਩‫ߵݛ‬ሯำLj‫ڇ‬࿋ྺྲ‫(ޚ‬μV)ă f–3 dB๟ADC‫–ڦ‬3 dB๼෇‫੻ټ‬Lj‫ڇ‬࿋ྺMHz(ई๟ADC๼෇୳ հഗ‫ڦ‬পኹೕ୲Ljසࡕ๑ᆩ‫)ࣆڦ‬ă Nྺ‫ٷݣ‬ഗ‫ڦ‬ሯำሺᅮ(ሞ‫ڇ‬࿋ሺᅮ࣐؋ഗದዃዐྺ1)ă ENྺሏ໙‫ٷݣ‬ഗ‫ڪڦ‬ၳ๼෇‫ۉ‬უሯำ೷௢‫܈‬Lj‫ڇ‬࿋ྺnV/√Hză FSR๟ADC‫ڦ‬஢ଉ‫ײ‬๼෇‫(ྷݔ‬૩සLj±2.5 V‫ྺྷݔ‬5 V)ă ยऺփॅ‫ڦ‬႑ࡽۙ૙‫ۉ‬ୟࣷ‫ڞ‬ዂSNRই‫گ‬ժၩ‫أ‬ဣཥዐߛ ‫ݴ‬Ր୲ADC‫ڦ‬ᆫ๞ă૩සLj՗1၂๖କᅜփཞሯำࡀ߭‫ڦ‬ ‫ٷݣ‬ഗൻ‫้ۯ‬16࿋ఇຕገ࣑ഗAD7671‫ڦ‬SNRLOSS(28 μV rmsሯ ำLj9.6 MHz‫੻ټ‬Lj0 V዁5 V๼෇LjG = 1)ă ీ‫ํޏ‬၄৛ඓ‫ݴߛڦ‬Ր୲֪ଉൽਦᇀဣཥሯ‫ڹ‬ă੗ํ၄‫ڦ‬ ፌ‫ٷ‬႑ሯԲྺǖ ՗1. ডߛ‫ٷݣڦ‬ഗሯำࣷሰ‫ׯ‬ড‫ڦٷ‬ADC SNRLOSS 1 kHz้‫ٷݣ‬ഗሯำ(nV/√Hz) 40 SNRLOSS 9.4 20 4.6 10 1.7 1 0.02 ဣཥยऺටᇵ‫ڦ‬ణՔ๟ሞԍ‫׼‬႑ࡽփ฿ኈ‫ڦ‬൧઄ူ‫ت‬૙‫د‬ ߌഗิ‫ྲڦׯ‬ၭ႑ࡽăᅜူև‫ॽݴ‬༑༪႑ࡽۙ૙‫ۉ‬ୟิ‫ׯ‬ ‫ڦ‬ሯำժ঻ถසࢆ჋ስࢇ๢‫ڦ‬ഗॲă ႑ࡽۙ૙‫ۉ‬ୟዐ‫ڦ‬ሯำ ሯำ੗‫ྺݴ‬ଇዖփཞ‫ڦ‬ૌ՚ǖྔևሯำ(߅ඡሯำ)ࢅాև ሯำ(ࠦᆶሯำ)ă‫ىۉ‬ሯำຌᇀྔևሯำႚ๕ă໲்੗ీ ዜ೺Ⴀ‫؜‬၄Ljᄺ੗ీक़ၶႠईໜऐ‫؜‬၄ăဣཥยऺටᇵ੗ ᅜཚࡗ‫ܠ‬ዖ‫݆ݛ‬ই‫گ‬໲்‫ڦ‬ᆖၚă ాևሯำ੗ᅜۨᅭྺᆌᆩዐׂࣷิ‫ۉ‬უࢅ‫ڦୁۉ‬໯ᆶ‫ۉ‬ፆ ࢅӷ‫༹ڞ‬ഗॲ(PN঳)ాࠦᆶ‫ۉ‬ጱհ‫ڞۯ‬ዂ‫ڦ‬ໜऐࡗ‫ײ‬ăሯ ำ࿮݆ྜඇၩ‫أ‬ă‫ۉ‬ጱ‫ڦ‬ඤඡ‫ۉࢅۯ‬ጱ੣გ‫ڦܔ‬ໜऐิ‫ׯ‬ ࢅዘፇࢇ‫ۼ‬ຌᇀాևሯำLjIC዆ሰฆ‫׈‬๬૧ᆩ߸ࡻ‫߾ڦ‬ᅝ ࢅยऺरຍই‫گ‬ኄዖሯำă ሯำཚ‫ރރྺۨࡀ׉‬ኵ(p-p)ई਩‫ߵݛ‬ኵLjᅜp-pईೕ೷ሯ ำ௢‫཮܈‬ႚ๕՗๖Ljස཮3໯๖ăᇑ঍ୁ႑ࡽփཞLjሯำ ࠀ୲‫ݴ‬ොሞኝ߲ೕ೷ฉLjܸփ๟णዐሞᅃ߲ೕ୲ฉăሯำ ‫ڦ‬ຨ้ኵ࿮݆ᇨ֪Lj‫ڍ‬๟੗ᅜᇨ֪ሯำ߁୲ă‫ٷ‬և‫ݴ‬ሯำ ‫ߛװ‬ຯ‫ݴ‬քă ࢔వጚඓĂ૶Ⴤ‫ٗں‬p-pሯำ཮ዐ‫܁‬ൽሯำኵăࣼ዆ሯำ ࠀ୲௢‫܈‬ᇑೕ୲‫࠲ڦ‬ဣ൸၍ࢫLj੗ᅜ኱࠵‫୲ࠀ؜ੂں‬ሞೕ ୲‫ݴڦాྷݔ‬ք൧઄ăሯำೕ೷௢‫܈‬၂๖କߴۨೕ୲‫ڦت‬ ሯำీଉLj਩‫ߵݛ‬ຕኵሶߴ‫؜‬କߴۨ‫੻ټ‬ई้क़क़߰ฉ‫ڦ‬ ਩‫ߵݛ‬ኵăኪ‫ڢ‬p-pሯำኵጺ๟փ‫ڦٱ‬ăᅺྺሯำ๟ໜऐ ‫ڦ‬Ljᅺُ๔ዕ٪ሞ‫ۉ‬უ‫ރރ؜ג‬ኵ‫ڦ‬੗ీႠăཚࡗॽ਩‫ݛ‬ ߵሯำ‫ױ‬ᅜ6.6੗ᅜሞ99.97%‫܈ײڦ‬ฉඓԍփࣷ‫ࡗג‬p-pኵă Page 136 MS-2066 ཮3. ‫ۆ‬႙‫ރރ‬ኵࢅ‫ۉ‬უሯำ௢‫཮܈‬ ཮4. ၂๖໯ᆶሯำᇸ‫ڦ‬႑ࡽۙ૙‫ۉ‬ୟ(्ย‫ٷݣ‬ഗுᆶሯำ) ሞICዐLjଇዖፌ‫׉‬९‫୲ࠀڦ‬௢‫ݴ܈‬քႚ๕ྺ1/fࢅӣሯำă EN(f )ࢅIN(f )‫ڦ‬ຕଉ৽๟ሯำೕ೷௢‫܈‬LjᅜnV/√HzࢅpA/√Hz ՗๖ăᆯᇀሯำൽਦᇀ֪ଉ‫੻ټ‬Ljᅺُኸۨೕ܎࢔ዘᄲă ๴‫ڟ‬1/fĂ࿒‫ࣅ઻ࢅ܈‬ၳᆌĂฯ዁੗ీ๟Ԗ௝ࢾሯำ(൩֖ ९ሯำૌ႙և‫ڦ)ݴ‬ᆖၚLjᄺ࢔వሞຕბฉ௮ຎ‫گ‬ೕཉॲူ ‫ٷݣڦ‬ഗሯำ༬ႠLj‫ڍ‬๟ዘްํᄓ၂๖Lj࿒‫܈‬ሁߛLjሯำ ሁ‫ٷ‬ă ‫أ‬କӣሯำࢅ1/fሯำᅜྔLjICሯำዐ࣏ԈઔԖ௝ࢾሯำĂ ො૭ሯำࢅდԪሯำă ‫أ‬କICᅜྔLjဣཥยऺዐ‫׉‬ᆩ‫ۉڦ‬ ፆĂ‫ۉ‬ඹࢅ‫ڪߌۉ‬ഄ໱ᇮॲᄺᆶ߳ጲ‫ڦ‬ሯำă ᆯᇀሯำ๟߁୲ࡧຕLjᅺُยऺටᇵႴᄲᅜ਩‫(ߵݛ‬RSS)ႚ ๕ॽփ၎࠲‫ڦ‬ሯำᇸ၎ेă ኄᅪ࿆ጣLjଇ߲ਏᆶ၎ཞీଉ ‫ڦ‬ሯำᇸ၎ेኻࣷ๑ጺሯำሺे√2ԠLjन3 dBă ‫ܔ‬ᇀ၎࠲ ‫ڦ‬ሯำᇸLjሯำऺ໙ࠅ๕ࣷሺेᅃ߲ᆯ၎࠲ᅺຕ‫ױ‬ᅜሯำ ᇸ‫ױ‬ओፇ‫ྔܮڦׯ‬ၜă ཮4၂๖କ߳ዖփཞ‫ٷݣڦ‬ഗሯำᇸLjᅜत‫ߌد‬ഗࢅྔև ᇮॲሯำᇸă‫ٷݣ‬ഗሯำཚࡗᇑ๼෇‫ڦ૴ز܋‬ଭፆੇ‫ۉ‬უ ݀ิഗࢅᇑ๼෇‫܋‬ժ૴‫ڦ‬࿮၌ፆੇ‫ୁۉ‬ᇸ৊ႜॺఇă ഄዐ ௅ᅃၜ‫ࣷۼ‬ໜጣೕ୲ࢅ‫ٷݣ‬ഗ႙ࡽՎࣅܸՎࣅă ๼෇‫ۉ‬უ ሯำ(EN)ࢅ๼෇‫ୁۉ‬ሯำ(IN)੗๫ྺཁे‫ڟ‬૙ၙ“࿮ሯำ”‫ݣ‬ ‫ٷ‬ഗ‫ڦ‬փ၎࠲ሯำᇸă Page 137 MS-2066 ጺ๼‫؜‬ሯำ(ችࢇ‫ڟ‬๼෇(RTI))ᆯ‫ۉ‬ፆሯำᇑሏ໙‫ٷݣ‬ഗ‫ڦ‬ ‫ۉ‬უࢅ‫ୁۉ‬ሯำፇ‫ׯ‬Ljසࠅ๕3໯๖ă ጀᅪLjሞ‫ݒ‬၎ࢅཞ၎ದዃዐLjሯำሺᅮ(ሯำሺ‫ٷ‬ဣຕ)਩ ၎ཞǖ1 + R2/R1ă‫ۉ‬ඹ(ُ‫ت‬࿄၂๖Lj‫ُڍ‬ૌ‫ۉ‬ୟዐ‫ࣷ׉׉‬ ๑ᆩ)ԨวփׂิሯำLj‫ٷݣڍ‬ഗ‫ୁۉ‬ሯำࣷሞ‫ۉ‬ඹฉׂิ უইժิ‫ۉׯ‬უሯำဃֶă ӣሯำࣷཚࡗLj৽ࡻၟ୳հഗ๟ጇ഻႙ᅃᄣLj‫ڍ‬๟পኹೕ ୲ࣷሺ‫ڟٷ‬1.57Ԡă0.57੊୯‫ڟ‬f0(୳հഗ‫ڦ‬ገችೕ୲)ᅜฉ‫ڦ‬ ‫د‬๼ሯำăሞ‫ٷݣ‬ഗᆌᆩዐLj޿ደօࡐইۨᅭྺf0 = β × ftLj ഄዐβ๟‫ݒ‬ઍᅺຕLjft๟‫ڇ‬࿋ሺᅮ঍ሁă‫ٷݣ‬ഗࣷඪᆯӣሯ ำཚࡗLjপኹೕ୲ྺ1.57 f0ă ස཮໯๖Lj‫ٷݣ‬ഗ‫ۉ‬უሯำሞ๼‫؜‬ሯำዐ቞࢔‫ٷ‬ᅃև‫ݴ‬ă ्ยฉຎ‫ۉ‬ୟದዃྺ‫ݒ‬၎ሺᅮ1000Ljժ๑ᆩਏᆶ໯๖փཞ ሯำࡀ߭ࢅ‫ۉ‬ፆኵ‫߳ڦ‬ዖ10 MHz‫ٷݣ‬ഗă޿֪๬‫ڦ‬঳ࡕස ཮5໯๖Lj‫ڍ‬๟ຕ਍๮֩ዐ໯ߴሯำࡀ߭ፌ‫ٷݣڦگ‬ഗժ փጺ๟ፌ๢ࢇᆌᆩ‫ٷݣڦ‬ഗă჋ስ‫ٷݣ‬ഗ้࣏Ⴔᄲ੊୯ഄ ໱ᅃၵᅺ໎ă ཚࡗକ঴‫ߌد‬ഗLjยऺටᇵᆌ޿ీࠕඓۨ߾ፕೕ୲‫(ྷݔ‬ස ੻‫ټ‬ई1/f )ă඗ࢫLjยऺටᇵᆌ޿჋ስਏᆶࢇ๢༬Ⴀ‫ٷݣڦ‬ ഗă‫ٷݣৃړ‬ഗ‫ټ੻ڦ‬ሯำ‫ྺྷݔ‬0.9 nV/√Hz‫ڟ‬60 nV/√Hză କ঴๼෇ॐࠓࢅ዆ሰ‫ٷݣ‬ഗ‫߾ڦ‬ᅝरຍॽᆶዺᇀ჋ስኟඓ ‫ٷݣڦ‬ഗઠྜ‫߾ׯ‬ፕăሞဣཥยऺ‫ڦ‬ራ೺঩܎ዐLj๔ዕණ ኈ੊୯ཚࡗ჋ስኟඓ‫ڦ‬ᇮॲժ၌዆ᆌᆩ‫੻ټ‬ઠยऺ‫؜‬ፌॅ ሯำႠీă඗ࢫLjᆩࢽ੗ᅜ‫ݴ‬ဆ‫ݥ‬ሯำᄲ൱Lj૩ස๼෇ፆ ੇĂ‫ۉ‬ᇸ‫ࢅୁۉ‬ሺᅮăසࡕփ஢ፁሯำᄲ൱Ljሶዘް޿ࡗ ‫ײ‬ăཚࡗยऺํ၄‫گ‬ሯำ๔ዕԲ‫׈‬๬ཚࡗೡԸĂքਆࢅഄ ໱रຍই‫گ‬ሯำ߸௽዇ă ཮5. ‫ٷݣ‬ഗሯำ๟႑ࡽۙ૙‫ۉ‬ୟ๼‫؜‬ሯำ‫ڦ‬ዷᄲઠᇸ ยऺ‫ٷݣ‬ഗ้Lj௽ӣՂႷ৊ႜ඄࢚ൽป࢔ዘᄲăኄၵ੗ీ ᆖၚᆌᆩLjᅺُକ঴ഗॲ‫ڦ‬ยऺᇱ૙ᅜत዆ሰ߾ᅝๆ‫ݴ‬ዘ ᄲăৈৈᅈડຕ਍๮֩ࡀ߭๟փࠕ‫(ڦ‬૩සLjx nV/√Hz)ă ມटႠሏ໙‫ٷݣ‬ഗ༬Ⴀൽਦᇀഄৢༀ‫ୁۉ‬ă३ၭEN(‫گ‬RBࢅ ߛIC)ᇑ३ၭIN‫ٯڦ‬แ၎‫ݒ‬ăኄ‫پ‬՗ጣມटႠยऺዐ‫ڦ‬ᅃዖ एԨችዔă࢔‫ܠ‬ഗॲԈઔsuper-betaईIBၩ‫ۉأ‬ୟăኄၵࣷ ‫ټ‬ઠ၎࠲ሯำăሞ৊ႜሯำ‫ݴ‬ဆ้LjႴᄲᆅ෇၎࠲‫׉‬ຕઠ ՗ኙ޿၎࠲ሯำăೋዃց‫׋‬႙ሏ໙‫ٷݣ‬ഗਏᆶԲٗഄೋዃ ‫(ୁۉ‬IB)ᇨ֪߸‫ڦٷ‬ሯำ‫ୁۉ‬ă CMOS‫ڦ‬ዷᄲሯำઠᇸሞփཞ߾ፕ൶ᇘᆶ໯փཞă૧ᆩ߾ ᅝ၎࠲Ⴀࢅยऺۙኝ੗ᅜइ‫ڦॅ߸ڥ‬ሯำࡀ߭Lj‫ڍ‬๟௅ዖ ‫ܔࣷۼ݆ݛ‬ᆌᆩׂิᆖၚă෻ຮሯำ(1/f )ᇑৗ༹࠶੻‫ࢅ܈‬ Page 138 MS-2066 ‫(܈׊‬W × L)‫ݒׯ‬ԲLjᅺُྺକই‫گ‬ሯำLjยऺටᇵႴᄲ๑ ᆩ‫ٷ‬؅٫๼෇पৗ༹࠶ăኄᄣׂࣷิ‫ٷ‬๼෇‫ۉ‬ඹLjሞፌዕ ᆌᆩዐ੗ీ‫ྺׯ‬၌዆ᅺ໎ăᇑມटႠഗॲ၎ԲLjCMOSഗ ॲਏᆶড‫ୁۉڦگ‬ሯำă๪࿒ူ‫׉׉‬੗ᅜࢮ୼‫ୁۉ‬ሯำ௢ ‫(܈‬IN)Lj‫ڍ‬๟ߛ࿒ူࣷᆶ࿚༶ă ᇑBJT၎ԲLjJFETਏᆶড‫ڦگ‬gmLjᅺُLjFETሏ໙‫ٷݣ‬ഗ ሞ၎ຼ߾ፕཉॲူਏᆶ߸ߛ‫ۉڦ‬უሯำăഄ‫ۉ‬უሯำ(EN) ࣏Ԉࡤ෻ຮሯำLj‫ڍ‬๟JFET‫ୁۉڦ‬ሯำ‫گ‬ᇀBJTă๪࿒ူ ‫׉׉‬੗ᅜࢮ୼ഄ‫ୁۉ‬ሯำ(IN)Lj‫ڍ‬๟ߛ࿒ူ੗ీࣷᆶ࿚ ༶Ljᅺྺ࿒‫܈‬௅ሺे20°Lj‫ୁۉ‬ሯำࣷ‫݋‬ԠLjᅺྺ࿒‫܈‬௅ሺ े10°Ljೋዃ‫(ୁۉ‬IB)ࣷ‫݋‬Ԡă๨௬ฉ࢔‫ڦࠀׯܠ‬ฆᆩJFET ሏ໙‫ٷݣ‬ഗ‫ۼ‬๟ᅜ‫ۉ‬უሯำ࣑ൽ๼෇‫ۉ‬ඹă჋ስ‫ٷݣ‬ഗ้ ՗2‫׉ݥ‬ᆶᆩă՗3ߴ‫؜‬କᅃၵएᇀփཞ߾ᅝ‫׉ڦ‬ᆩ‫ٷݣ‬ഗă ՗2. փཞ߾ᅝ‫ڦ‬ሯำႠీ ມटႠ CMOS JFET ‫ۉ‬უሯำ ፌॅ ଆࡻ ডࡻ ‫ୁۉ‬ሯำ ଆࡻ ፌॅ ডࡻ ENገችೕ୲ IN࿒‫܈‬ଳ௺‫܈‬ ፌॅ ፌॅ ଆࡻ ডࡻ ডࡻ ଆࡻ ՗3. एᇀփཞ߾ᅝ‫ڦ‬ෙዖ‫׉‬ᆩ‫ٷݣ‬ഗሯำࡀ߭ EN ׂ೗႙ࡽ (nV/√Hz) IN Fc (pA/√Hz) (Hz) ๼෇ AD8599 1 1.5 9 ມटႠ AD8655 2.7 0.007 2000 CMOS AD8610 6 0.005 1000 JFET ߵ਍ฉ௬‫ڦ‬ኸళ჋ስ‫ߌد‬ഗࢅ‫ٷݣ‬ഗࢫLjথጣ๟჋ስ‫ٷݣ‬ ഗዜྷ‫ڦ‬ᇮॲăၭ‫ۉ‬ፆཚ‫ࡻ߸׉‬Ljᅺྺ໲்ీই‫ٷݣگ‬ഗ ‫ୁۉ‬ሯำ‫ڦ‬ᆖၚă‫ۉ‬ፆጲวࣷᆅ෇ሯำLjኄࣷሺेဣཥሯ ‫ڹ‬ăُྔLj‫ۉ‬ፆሯำփᆌ‫ٷݣྺׯ‬ഗሯำ‫ڦ‬ዷᄲઠᇸăํ ाฉLjሏ໙‫ٷݣ‬ഗ‫ݠ‬ኈఇ႙(සADIࠅິፌৎ݀ք‫ڦ‬ఇ႙) փሎႹ๑ᆩ‫ۉٷ‬ፆઠยዃ‫گ‬ሯำ‫ٷݣ‬ഗ‫ڦ‬ሺᅮă ໫३֪ଉ‫੻ټ‬๟ยऺ‫گ‬ሯำ႑ࡽۙব‫ۉ‬ୟ้ଷᅃዖ࢔ࡻ‫ڦ‬ ፔ݆ăኄ੗ཚࡗ๑ᆩ०‫ڇڦڇ‬ट‫ۉۅ‬ୟई߸ྺްሗ‫ܠڦ‬ट ‫ۅ‬ᆶᇸ୳հഗ(൩֖९ADIࠅິྪበฉ‫୳ڦ‬հഗ߾ਏยऺ) ઠํ၄ă ሞ‫ࡼࠀگڦৃړ‬Ă‫ׯگ‬ԨยऺዐLj࢔‫ܠ‬ဣཥ࿮݆‫׶‬๴ӆࡍ ‫ڦ‬ഗॲई‫گ‬ሯำഗॲ໯Ⴔ‫ڦ‬ডߛࠀࡼăྺକٗ႑ࡽۙ૙‫ۉ‬ ୟइ‫ڥ‬ፌ‫گ‬ሯ‫ࢅڹ‬ፌॅႠీLjยऺටᇵՂႷକ঴ᇮॲपሯ ำᇸժሞऺ໙ఇెമ‫ڦ܋‬ጺሯำ้؊‫੊ݴ‬୯ኄၵሯำᇸă ැᄲኍ‫ܔ‬टၭ႑ࡽํ၄ߛ‫ݴ‬Ր୲Lj৽ՂႷీࠕཪࡗຕ਍๮ ֩ฉᆶ၌‫ڦ‬ሯำࡀ߭କ঴ాሞԨዊLjኄ‫ۅ‬዁࠲ዘᄲă ሯำૌ႙ ӣሯำ(ᄺ‫੻ټྺ׬‬ሯำ) ሯำ཮‫ڦ‬ೝ།և‫ݴ‬๟ഗॲ‫ڦ‬ሯ‫ڹ‬Ljස཮6໯๖ăഄ၎‫ܔ‬ᇀ గᅃೕ୲৊ႜۨᅭLj๟ᅃ߲‫׉‬ຕăଇՉೝ‫ڟڥࢫݛ‬ӣሯำ ࠀ୲Ljഄᇑ‫ׯ੻ټ‬ኟԲLjᇑೕ‫ټ‬࿋ዃ࿮࠲ăኄ๟ဣཥ‫ڦ‬ሯ ‫ࢅڹ‬ဣཥ‫ݴ‬Ր୲‫ڦ‬၌዆ᅺ໎ă සࡕf1 < 1.0f2Ljఫ஺੗ৎຼྺǖ Page 139 MS-2066 ཮6. ‫ٷݣ‬ഗӣሯำ๟‫ۆ‬႙ሯำ཮‫ڦ‬ೝ།և‫ݴ‬ 1/fሯำ(ᄺ‫ࢤݹྺ׬‬ሯำ) ሞ‫گ‬ೕ୲ူLjሯำᇑೕ୲(1/fၜ)‫ݒׯ‬ԲLjස཮7໯๖ă1/f ሯำ๔ዕᇑ‫ୁۉ‬၎࠲Ljᆯ။հᆅഐăሞ‫้ࡗୁୁۉ‬Lj။հ ࣷໜऐվइࢅ๥‫ࢁۉݣ‬ሜ༹Ljܸٗሰ‫ୁۉׯ‬ዐ‫ڦ‬ໜऐհ ‫ۯ‬ăሞBJTዐLj1/fሯำ੗ీᆯৗ༹࠶एट݀พ঳ฉ‫ڦ‬࿫ක ࢅ՗௬ጒ઄փॅᆅഐăሞCMOSዐLj޿ሯำᇑࡂࢅܾᄟࣅ ࡂኮक़Չহ‫ۉྔܮڦت‬ጱీଉጒༀ၎࠲ă 1/fገችೕ୲ํाฉ๟ᅃ߲೗ዊᅺຕLj‫޿ࡗג‬ೕ୲ࢫሯำ‫ڦ‬ ‫܈ޗ‬၎‫ܔ‬ೝ།൐փ๴ೕ୲ᆖၚăጀᅪLj‫ۉ‬უሯำ‫ڦ‬ገችೕ ୲փཞᇀ‫ୁۉ‬ሯำ௢‫ڦ܈‬ገችೕ୲ă 1/f‫ڦ‬ᅃ߲༬Ⴀ๟௅ๆԠೕ‫ా୲ࠀڦײ‬ඹ၎‫ڪ‬ă ཮7. ཭‫؜‬၂๖1/fሯำ‫ۆڦ‬႙ሏ໙‫ٷݣ‬ഗሯำ཮ Ԗ௝ࢾሯำ(ᄺ‫ྺ׬‬Ԗଛሯำ) ሞራ೺IC዆ሰዐLj“Ԗ௝ࢾሯำ”๟ᅃ߲ჹዘ‫ڦ‬࿚༶Ljࣷ‫ڞ‬ ዂຕๆࡹ௱‫ڦ‬ໜऐ૗ො฿ۙೋᅎăසৃLj໚඗዆ሰࡗ‫ײ‬ዐ ධ඗౾ܻࣷ‫؜‬၄Ԗ௝ࢾሯำLj‫޿ܔڍ‬၄ၡᅙᆶକডࡻ‫ڦ‬૙ ঴ăԖ௝ࢾሯำ๟1/fሯำ‫ڦ‬ᅃև‫ݴ‬Lj݀ิሞट‫گ‬ೕ୲ཉॲ ူăԖ௝ࢾሯำࣷሞሏ໙‫ٷݣ‬ഗ‫ڦ‬๼‫ิׂ܋؜‬঩ሂࡧຕ‫ۉ‬ უՎࣅLjዷᄲᆯৗ༹࠶ሞଇ߲hfeኵ(beta)ኮक़փࡀୱཌՎ ሰ‫ׯ‬ă໲ྜඇᆯ߾ᅝਦۨLj߾ᅝփॅ‫ڦ‬ഗॲਏᆶড‫ڦܠ‬Ԗ ௝ࢾሯำă ො૭ሯำ ௅‫ࡗୁୁۉړ‬P-N঳้‫ิׂࣷۼ‬ො૭ሯำLjܸ‫ڦৃړ‬ICዐ ᆶ࢔‫ܠ‬P-N঳ăੵሁ߰૗ቆྜඇ๟ໜऐ‫ڦ‬Ljׂิ‫ڦ‬኱ୁ‫ۉ‬ ୁ๟࢔‫ܠ‬ໜऐएԨ‫ୁۉ‬ஞ؋‫ڦ‬ጺࢅăො૭ሯำሞ໯ᆶೕ୲ ူԍ‫׼‬փՎă‫ୁۉړ‬ሯำਏᆶᅃዂ‫୲ࠀڦ‬௢‫้܈‬Lj໲ࣷ‫ׯ‬ ྺӣሯำ‫ڦ‬ᅃև‫ݴ‬ă ഄዐǖ q =‫ۉ‬ጱ‫ࢁۉ‬ଉ(1.6 × 10‫ڟ‬19ੰ୿) I =ཚࡗ঳‫ڇ(ୁۉڦۅ‬࿋pA) Δf =‫ڇ(੻ټ‬࿋Hz) Page 140 ၰ༬एሯำ ሞᅜ‫ݒ‬ၠऍ‫ح‬ఇ๕߾ፕ‫ڦ‬P-N঳ዐLj‫ۉړ‬ጱሞഽ‫ڦׇۉ‬ᆖ ၚူཚࡗጐऍৗ߭ᇱጱइ‫ڥ‬ፁࠕ‫ܸీۯڦ‬ႚ‫ۉڦྔܮׯ‬ጱ ੣გ‫้ܔ‬LjՍࣷ‫؜‬၄޿ሯำăኄၵ੣გ‫ܔ‬੗ཚࡗდԪ‫ݛ‬๕ ႚ‫ׯ‬ഄ໱‫ܔ‬ă‫ୁۉڦڟڥ‬ᆯୁࡗ‫ݒ‬ၠೋዃ঳‫ڦۅ‬ໜऐ‫ݴ‬ք ሯำॖ‫ރ‬ፇ‫ׯ‬ăၰ༬एሯำᇑො૭ሯำ၎ຼLjႴᄲ‫ୁୁۉ‬ ‫ۯ‬Lj‫ڍ‬๟Բො૭ሯำ߸ྺഽଜLj๑ഋభܾट࠶ᅜਏᆶߛሯ ำܸዸఁă ‫ۉ‬ፆሯำ ໯ᆶ‫ۉ‬ፆ‫ۼ‬٪ሞ‫ۉ‬ፆሯำLjᇱᅺሞᇀ‫ۉ‬ፆዐ‫ۉڦ‬ጱඤඡ ‫ۯ‬ăࢫኁࣷᆅഐ‫ࢁۉ‬ሏ‫ۯ‬Ljׂܸٗิ‫ۉ‬უă‫ۉ‬ፆሯำ๟ӣ ሯำ‫ڦ‬ᅃև‫ݴ‬Ljሞ໯ᆶೕ୲ူԍ‫׼‬փՎă੗๑ᆩᅜူࠅ๕ ऺ໙‫ۉ‬ፆ‫ڦ‬ሯำኵăߵ਍ঢ়ᄓLj1 kΩ‫ۉ‬ፆਏᆶ4 nV/√Hz‫ڦ‬ ሯำăኵ‫ڥ‬ᅃ༵‫ڦ‬๟Lj‫ۉ‬ፆኵ௅ሺेᅃԠLjሯำࣷሺे3 dB (4 × ‫ۉ‬ፆ=ሯำ‫݋‬ԠLjन6 dB)ă༐໎‫ۉ‬ፆࢅࢩఈ‫ۉ‬ፆ‫ڦ‬ሯำ ߛᇀऺ໙‫ڦ؜ڥ‬ඤሯำă ഄዐǖ k = հܻጦத‫׉‬ຕ(1.374 × 10–23 J/°K) T = ਨ‫ܔ‬࿒‫(܈‬°K)LjT = °C + 273° R = ‫ۉ‬ፆ(W) MS-2066 B =‫(੻ټ‬Hz) 4 kT = 1.65 × 10–20 W/Hz ᆶෙዖ‫݆ݛ‬੗ᅜই‫޿گ‬ሯำǖ1)჋ስၭ‫ۉ‬ፆLjኄᄣࣷሺे ࠀࡼǗ2)੦዆࿒‫(܈‬ই‫گ‬࿒‫)܈‬Ǘ3)ই‫֪گ‬ଉ‫੻ټ‬ă ยऺࡗ‫ײ‬ ໜጣఇຕገ࣑ഗࢅຕఇገ࣑ഗ‫ݴڦ‬Ր୲փ܏ሺेᅜत‫ۉ‬ᇸ ‫ۉ‬უփ܏ই‫گ‬Ljፌ‫گ‬ᆶၳ࿋Վ‫߸ڥ‬ၭăኄ๑‫ڥ‬႑ࡽۙ૙ඪ ခ߸ेઓవă‫ړ‬႑ࡽ‫ٷ‬ၭደॷথৎሯ‫้ڹ‬LjᅺُՂႷ঴ਦ ྔևࢅాևሯำᇸLjԈઔሀࡪსሯำĂො૭ሯำĂ੻‫ټ‬ሯ ำĂ෻ຮሯำࢅEMIă ཚ‫׉‬փ၎࠲‫ڦ‬ሯำᇸ੗ཚࡗRSS‫ݛ‬๕৊ႜፇࢇǖ ଷᅃ‫ݛ‬௬Lj၎࠲‫ڦ‬ሯำᇸLj૩ස๼෇ೋዃ‫ୁۉ‬ၩ‫أ‬LjሶՂ Ⴗཚࡗሺे၎࠲ᅺຕᅜRSSႚ๕৊ႜፇࢇǖ ཮8၂๖କ‫ۆ‬႙႑ࡽۙ૙‫ۉ‬ୟዐ٪ሞ‫ڦ‬໯ᆶሯำᇸLjᅜत ੗ᆩᇀ‫ݒ‬၎Ăཞ၎Ăֶ‫ࢅۯ‬ഄ໱‫׉‬९ದዃ‫ڦ‬ཚᆩࠅ๕ă ཮8. ሯำᇸԈઔሏ໙‫ٷݣ‬ഗ‫ڦ‬๼෇‫ۉ‬უሯำࢅ๼෇‫ୁۉ‬ሯำLjྔेྔև‫ۉ‬ፆ‫ڦ‬ሀࡪსሯำ Page 141 MS-2066 ሯำ‫੻ټ‬ 0.1 Hz዁10 Hz 0.01 Hz዁1Hz 0.001 Hz዁0.1 Hz 0.0001 Hz዁0.01 Hz ມटႠ (OP177) 0.238 μV p-p 0.135 μV p-p 0.120 μV p-p 0.118μV p-p ቘհ (AD8551/AD8552/AD8554) 1.04 μV p-p 0.33 μV p-p 0.104 μV p-p 0.033 μV p-p ཮9. Քጚ‫ٷݣ‬ഗ(૩සADIࠅິ‫ڦ‬OP177)ሞ‫گ‬ೕ୲ူ၂๖1/fሯำ(ፑฉ)ăጲ࿘ଭ(ቘհ)‫ٷݣ‬ഗ(૩සADIࠅິ‫ڦ‬AD8551/AD8552/AD8554) ுᆶ1/fሯำ(ᆸฉ)ăPSpice‫ܔ‬AD8638ጲ࿘ଭ‫ٷݣ‬ഗ‫ڦ‬ႜྺ৊ႜକኟඓॺఇ(ᆸူ)ă ኟඓ‫ڦ‬ยऺ‫݆ݛ‬ ٗ‫ߌد‬ഗतഄሯำĂፆੇĂၚᆌࢅ႑ࡽ‫ۉ‬ೝ‫ڪ‬༬Ⴀ෇๮Lj ํ၄ፌ‫ڦگ‬ችࢇ‫ڟ‬๼෇‫(܋‬RTI)ሯำॽᆫࣅ႑ሯԲ(SNR)ă ᇑံ঴ਦሺᅮࢅࠀ୲ᄲ൱Ljምड़వ‫تں‬૙ሯำ࿚༶၎ԲLjᅜ ࠲ጀ‫گ‬ሯำጣ๮঴ਦ࿚༶၂‫ߛྺ߸ڥ‬ၳăኄ๟ᅃ߲۞‫ࡗپ‬ ‫ײ‬ă๯ံ੊୯‫ٷݣ‬ഗ‫߾ڦ‬ፕ൶ᇘǖ੻‫ټ‬ई1/fă඗ࢫLjཚࡗ ჋ስࢇ๢‫ڦ‬ᆶᇸഗॲLjइ‫ڥ‬ፌॅሯำႠీ‫ڦ‬ยऺăም჋ስ ‫ٷݣ‬ഗዜྷ‫ڦ‬࿮ᇸᇮॲժ၌዆‫੻ټ‬ă඗ࢫLj‫ݴ‬ဆ‫ݥ‬ሯำᄲ ൱Ljස๼෇ፆੇĂ‫ۉ‬ᇸ‫ࢅୁۉ‬ਸୟሺᅮăසࡕփ஢ፁሯำ ࡀ߭LjሶीჄዘް޿ࡗ‫ײ‬Lj኱‫ڟ‬इ‫ڥ‬੗থ๴‫ڦ‬঴ਦ‫ݛ‬ӄă ሏ໙‫ٷݣ‬ഗ჋ስ ሞᅃၵ൧઄ዐLjਏᆶ22 nV/√Hz੻‫ټ‬ሯำ‫ڦ‬ሏ໙‫ٷݣ‬ഗ੗ీ ᆫᇀሯำࡀ߭ྺ10 nV/√Hz‫ٷݣڦ‬ഗăසࡕ‫ߌد‬ഗሞ࢔‫ڦگ‬ ೕ୲ူ߾ፕLjሶਏᆶ‫گ‬1/fሯำ‫ٷݣڦ‬ഗ੗ీፌॅăՔጚ‫ݣ‬ ‫ٷ‬ഗ(සADIࠅິ‫ڦ‬OP177)‫ڦ‬ሯำೕ೷௢‫܈‬ૌຼᇀ཮9ፑฉ ‫཮ڦݛ‬ႚăଷᅃ‫ݛ‬௬Ljጲ࿘ଭ‫ٷݣ‬ഗࣷփ܏ၯኟໜጣ้क़ ࢅ࿒‫܈‬Վࣅܸ‫؜‬၄ሞഄ๼෇‫ڦ܋‬ඪࢆဃֶăᆯᇀ1/fሯำࣷ ደॷ൵ৎ኱ୁLjᅺُ޿‫ٷݣ‬ഗᄺࣷၯኟ޿ဃֶă཮9ᆸฉ ‫཮ڦݛ‬ႚ၂๖କ‫ڼ‬ᅃ‫پ‬ጲ࿘ଭ‫ٷݣ‬ഗසࢆփ‫װ‬၄1/fሯำLj ᅺܸ๢ᆩᇀ‫گ‬ೕ‫ߌد‬ഗ႑ࡽۙ૙ăස཮9‫ڦ‬ᆸူ໯๖Lj‫ڼ‬ ܾ‫پ‬ጲ࿘ଭ‫ٷݣ‬ഗਏᆶড‫ټ੻ڦگ‬ሯำ(22 nV/√Hz)ăPSpice ࢢ࠵ఇ႙ኟඓఇెକ‫ٷݣ‬ഗ‫ۉڦ‬უሯำLj཮ዐ၂๖1/fሯำ ᅙԥၩ‫أ‬ă Page 142 ࡆ‫ࡆڟ‬๼෇ ‫ܔ‬ᇀ‫ۉگ‬უยऺLjࡆ‫(ࡆڟ‬RR)๼‫ࢅ؜‬๼෇੗ీԲড๢ࢇă ‫ࠌړ‬ఇ๼෇ٗᅃ߲ࡆ৊෇ଷᅃ߲ࡆ้Ljᅃֶ߲‫ݴ‬๼෇‫ܔ‬ཕ ኹ߾ፕLjሶଷᅃֶ߲‫ܔݴ‬থ࠶߾ፕă฿ۙ‫ۉ‬უࢅ๼෇ೋዃ ‫ୁۉ‬੗ీࣷ཭඗ՎࣅLj‫ڞ‬ዂ཮10໯๖‫ڦ‬฿ኈă‫ܔ‬ᇀ‫گ‬ሯำ ยऺLjႴᄲ੊୯๟‫ޏ‬ႴᄲRR๼෇༬Ⴀă ྺକ঴ਦ޿࿚༶Ljሏ໙‫ٷݣ‬ഗ(සADIࠅິ‫ڦ‬AD8506)๑ᆩ ాև‫ࢁۉ‬ԭઠၩ‫أ‬๼෇‫ۉ‬უ঍ሁ฿ኈăසࡕยऺփ‫ړ‬Lj‫ۉ‬ ࢁԭׂิ‫ڦ‬ሯำॽ‫؜‬၄ሞ๼‫؜‬ዐLjසࡕ޿ሯำ࿋ᇀణՔೕ ܎ాLj࢔੗ీࣷሰ‫ׯ‬࿚༶ă੗ሞ๼‫؜‬ᆅগฉ૶থೕ೷‫ݴ‬ဆ ᅏLjᅜඓԍ้ዓ‫܈ޗڦ‬ᇺᇺၭᇀ႑ࡽ‫܈ޗ‬ă MS-2066 ՗4. OP07ࢅOP27‫ۉ‬უࢅ‫ୁۉ‬ሯำ ֖ຕ ཉॲ OP07E OP27E ‫ڇ‬࿋ ๼෇฿ۙ ‫ୁۉ‬ 0.5 7 nA ๼෇ೋዃ ‫ୁۉ‬ ±1.2 ±10 nA ๼෇‫ۉ‬უ 0.1 Hz዁ ሯำ 10 Hz 0.35 0.08 -p ๼෇‫ۉ‬უ ሯำ௢‫܈‬ f = 1 kHz 9.6 3 nV/√Hz ๼෇‫ୁۉ‬ ሯำ௢‫܈‬ f = 1 kHz 0.12 0.4 pA/√Hz ሯำড‫گ‬Lj‫ڍ‬๼෇‫ۉ‬ඹড‫ٷ‬ăCMOSࢅJFET‫ٷݣ‬ഗ‫ୁۉڦ‬ ሯำᇺ‫گ‬ᇀມटႠഗॲă‫گ‬ሯำยऺ๑ᆩ‫گ‬ኵ‫ۉ‬ፆLjᅺُ ‫ٷݣ‬ഗ๼‫؜‬ൻ‫ۯ‬ՂႷፁᅜൻ‫޶ߛۯ‬ሜă ࿮ᇸᇮॲ჋ስ ჋ስ‫ٷݣ‬ഗࢫLjথጣ๟჋ስഄዜྷ‫ࢇڦ‬๢‫ۉ‬ፆࢅ‫ۉ‬ඹăኄ ၵཞᄣᄺ٪ሞሯำă཮11၂๖କ๑ᆩ‫ٱ‬ဃ‫ۉ‬ፆኵ‫ڦ‬ᆖၚă ๼‫؜‬ሯำໜጣยዃሺᅮ໯๑ᆩ‫ۉڦ‬ፆሺ‫ܸٷ‬ሺ‫ٷ‬ăሞ໯ᆶ ෙዖ൧઄ዐLjሺᅮ਩ྺ1000ă ཮10. ࡆ‫ٷݣࡆڟ‬ഗ‫ڦ‬๼෇฿ۙ‫ۉ‬უࣷໜጣ ࠌఇ๼෇‫ۉ‬უՎࣅܸ݀ิ௽၂Վࣅ ೋዃ‫ୁۉ‬ၩ‫أ‬ ႎ႙ມटႠሏ໙‫ٷݣ‬ഗ֑ᆩକᅃዖरຍLj੗ᅜև‫ݴ‬ၩ‫أ‬๼ ෇ೋዃ‫ୁۉ‬ă޿रຍ੗ీ‫ڞ‬ዂփ၎࠲ई၎࠲‫ୁۉڦ‬ሯำሺ ेă‫ܔ‬ᇀᅃၵ‫ٷݣ‬ഗLj၎࠲ሯำ੗ీ‫ٷ‬ᇀփ၎࠲և‫ݴ‬ă૩ සLj‫ܔ‬ᇀADIࠅິ‫ڦ‬OP07Ljཁेፆੇೝ࢚‫ۉڦ‬ፆ੗߀฀ኝ ༹ሯำă՗4Բডକଇዖ࠽‫ݘ‬๑ᆩ‫ڦ‬ADIሏ໙‫ٷݣ‬ഗOP07 ࢅOP27Ljമኁᅜডߛ‫ۉڦ‬უሯำइൽড‫ୁۉڦگ‬ሯำă ٗ੗ᆩ‫گڦ‬ሯำഗॲ჋ስෙ‫຺߲ڟ‬ഗॲă੊୯߾ᅝरຍă ლቴ༬๺ยऺरຍLjසጲ࿘ଭĂቘհࢅೋዃ‫ୁۉ‬ၩ‫أ‬ăֱ ੂ๼෇ৗ༹࠶൶ᇘ‫ڦ‬ႊೌ؅٫཮ೌLjऻዿ‫ٷ‬๼෇ৗ༹࠶‫ڦ‬ ཮11. ๑ᆩ‫گ‬ኵ‫ۉ‬ፆԍ‫گ׼‬๼‫؜‬ሯำ Page 143 MS-2066 ཮12. ֑ᆩၭ‫ۉ‬ፆ้ዷᄲሯำઠᇸྺ‫ۉ‬უሯำǗ֑ᆩዐኵ‫ۉ‬ፆ้ ዷᄲሯำઠᇸྺሀࡪსሯำǗ֑ᆩ‫ۉٷ‬ፆ้ዷᄲሯำઠᇸྺ‫ୁۉ‬ሯำă କ঴‫ߌد‬ഗ‫ڦ‬༬Ⴀ࢔ዘᄲăཚࡗࢮ୼R1ࢅR2‫ڦ‬ሯำࠋ၅ժ ਋ঋᇀᇸፆੇR‫ڦ‬ሯำLj཮12၂๖କRྺၭኵ‫ۉ‬ፆ้ዷᄲሯ ำઠᇸྺ‫ۉ‬უሯำĂྺዐኵ‫ۉ‬ፆ้ዷᄲሯำઠᇸྺሀࡪს ሯำLjྺ‫ٷ‬ኵ‫ۉ‬ፆ้ዷᄲሯำઠᇸྺ‫ୁۉ‬ሯำăᅺُLjਏ ᆶ‫گ‬๼‫؜‬ፆੇ‫ߌدڦ‬ഗᆌ޿๑ᆩၭ‫ۉ‬ፆࢅਏᆶ‫ۉگ‬უሯำ ‫ڦ‬ሏ໙‫ٷݣ‬ഗă ‫أ‬କ‫ۉ‬ፆᅜྔLj࣏๑ᆩ‫ۉ‬ඹઠ༵ࠃց‫ࢅ׋‬ইሯă࿮ᇸᇮॲ փࣷሺेሯำLj‫ࡗୁڍ‬໲்‫ڦ‬ሯำ‫ิׂॽୁۉ‬ሯำ‫ۉ‬უLj ऺ໙้ᆌ੊୯ኄၵሯำ‫ۉ‬უăጺኮLjሞ‫ٷݣ‬ഗዜྷᆌ๑ᆩ ‫گ‬ፆੇᇮॲLjᅜՍፌ‫ں܈ײٷ‬ই‫ୁۉگ‬ሯำĂඤሯำࢅ EMIሗො่ൽ‫ڦ‬ᆖၚLjኄ‫ۅ‬ๆ‫ݴ‬ዘᄲă ‫੻ټ‬჋ስ ჋ስ‫ٷݣ‬ഗत၎࠲‫ۉ‬ፆࢅ‫ۉ‬ඹࢫLjူᅃօ๟ยऺፌॅ‫੻ټ‬ (BW)ăጀᅪ‫੻ټ‬ยऺփᄲ‫ࡗג‬ҾඇՔጚă‫੻ټ‬ᆌፁࠕ੻Lj ᅜՍ‫ڿد‬एհೕ୲ࢅዘᄲၿհLj‫ڍ‬փీࡗ੻ă჋ስਏᆶፁ ࠕ‫ٷݣڦ੻ټ‬ഗժࢫথRC୳հഗă‫ٷݣ‬ഗԨวᄺ๟‫ڇ‬ट‫ۅ‬ ୳հഗă‫ٷݣ‬ഗࢅ‫ۉ‬ፆሞ௅Hz‫੻ټڦ‬ฉ‫ۼ‬٪ሞሯำLjᅺ ُLj‫੻ټ‬ሁ‫ٷ‬Lj๼‫؜‬ሯำሁߛLjSNRሁၭă ཮13၂๖କ‫ٷݣ‬ഗ‫੻ټ‬ᇑሯำ‫࠲ڦ‬ဣLj‫ۉ‬ୟದዃࢅฉ࿔၎ ཞLj‫ڍ‬๟๑ᆩକਏᆶփཞ‫ٷݣڦ੻ټ‬ഗăᄲ၌዆ሺे‫ڦ‬ሯ ำLjᆌ޿৑ଉ३ณ‫੻ټ‬ă ᄲ໫३‫੻ټ‬Lj੗ሞ‫ߌد‬ഗࢫ௬ཁेRC୳հഗăኄ੗ీࣷ‫ټ‬ ઠ޶ሜ࿚༶Lj‫ڍ‬੗ᅜ๑ᆩ࣐؋ഗਖ਼‫޿ޜ‬࿚༶Ljස཮14໯๖ă ཮13. ๼‫ۉ؜‬უሯำໜጣ‫ٷݣ‬ഗ‫੻ټ‬ሺेܸሺेă ਏᆶ໯๖ࡀ߭ࢅದዃ‫ٷݣڦ‬ഗࢅADC(‫ٷݣ‬ഗ‫ྺ੻ټ‬350 MHz) ॽਏᆶ166 μV rms‫ڦ‬ሯำăཚࡗሞሏ໙‫ٷݣ‬ഗࢫ௬ཁेRCࡗ ୳ഗLj๑ᆶၳ‫੻ټ‬Վྺ50 MHzLj੗ॽሯำই዁56 μV rmsă ස཮໯๖Lj๑ᆩኟඓ‫ڦ‬RC໫३‫੻ټ‬੗ᅜ၂ዸ༵ߛSNRLj‫ڍ‬ ๟‫ۉ‬ፆԨวࣷሺेሯำăᅃዖ३ၭ‫݆ݛࡻ߸ڦ੻ټ‬๟๑ᆩ ཮15ᆸฉ‫ݛ‬໯๖‫ۉڦ‬ୟă޿‫ۉॽ݆ݛ‬ፆ‫ݣ‬ሞሏ໙‫ٷݣ‬ഗ‫ݒڦ‬ ઍ࣍ୟాևLj๑ഄᆖၚই‫گ‬1 + ࣍ୟሺᅮă՚ྮକሞ‫ۉ‬ᇸᆅ গ‫ت‬ཁेፁࠕ‫ڦ‬঴᳘‫ۉ‬ඹLjᅜՍ३ၭ႑ࡽୟ০‫ۉڦ‬ᇸሯำă ྜ‫ׯ‬ኄၵօየࢫLjምॠֱഄ໱ဣཥᄲ൱ăူ௬๟ᅃၵ๖૩ǖ ໯჋ᇮॲ๟‫ޏ‬஢ፁഄ໱ణՔࡀ߭Ǜ ‫ٷݣ‬ഗ๟‫ޏ‬Ⴔᄲມ‫ۉ‬ᇸǛ ๟‫ޏ‬ᆶኟ‫ۉ‬ᇸǛ ‫ٷݣ‬ഗࠀࡼ๟‫ޏ‬໿ߛǛ ᇮॲ๟‫ޏ‬໿ࡍǛ සᆶՂᄲLj‫࣮ݓ‬օየ1ժዘް޿ࡗ‫ײ‬ă ௅߲‫ߌد‬ഗ‫ۼ‬ᆶ߳ጲ‫ڦ‬ሯำĂፆੇࢅၚᆌ༬ႠLjᅺُॽ໲் ೅ದ‫ڟ‬ఇెമ‫܋‬዁࠲ዘᄲăᄲਖ਼‫ৃړޜ‬ᆌᆩዐ‫ܠ࢔ڦ‬཈቟ ժइ‫ڥ‬ፌॅSNRLjႴᄲଆࡻۨᅭ‫گڦ‬ሯำยऺࡗ‫ײ‬ă޿۞ ‫ิׂॽײࡗپ‬ፌ๢ࢇ‫ߛৃړ‬వ‫܈‬ᆌᆩ‫ڦ‬႑ࡽۙ૙঴ਦ‫ݛ‬ӄă Page 144 MS-2066 ཮14. ሞ‫ߌد‬ഗࢅ୳հഗኮक़ཁे࣐؋ഗᅜՆ௨޶ሜ࿚༶ ཮15. (a)०‫ڦڇ‬RC୳հഗǗ(b)࣐؋ഗ३ณ޶ሜǗ(c)ॽ‫ۉ‬ፆ‫ݣ‬ሞ‫ݒ‬ઍ࣍ୟా੗ᅜॽሯำই዁ፌ‫گ‬ Page 145 09501-017 MS-2066 ሯำऺ໙ “ሯำ”ᅃَԈࡤ‫ܠ‬ዖ‫ۉ‬ഘ߅ඡăഄዐᅃၵ߅ඡ‫ڦ‬ઠᇸ๟ఇ ె‫ۉ‬ୟᇮॲ(ස‫ٷݣ‬ഗࢅገ࣑ഗ)ࠦᆶ‫ڦ‬ăᄲକ঴‫ۉ‬ୟీ੗ ੍‫ت‬૙‫ڦ‬ፌ‫گ‬႑ࡽ‫ۉ‬ೝLjยऺටᇵՂႷऺ໙‫ۉ‬ୟሯำă޿ ࡗ‫ײ‬੗ీ࢔ްሗLjᅺྺภत‫ࠅܠ࢔ڟ‬๕‫ࢅڞླྀڦ‬൱঴ăሞ ႀူࠅ๕ኮമLjยऺටᇵՂႷံඓۨࢅ੊୯փ၎࠲ࢅ၎࠲ ‫ڦ‬ሯำᇸă࿢்ॽ༑༪ཞ้٪ሞ၎࠲ࢅփ၎࠲ሯำ‫ڦ‬༬๺ ൧઄ժ༵ࠃ‫ۉ‬ୟᆫࣅॺᅱăኄᄣᅃઠLjยऺටᇵ੗ᅜࠓॺ ᆶၳሏႜժਏᆶፌॅሯำႠీ‫ۉڦ‬ୟă ᄲइ‫ڥ‬ፌॅሯำႠీLjՂႷ၌዆‫੻ټ‬ժऺ໙ሯำᆶၳ‫੻ټ‬ (NEB)ฉ‫ڦ‬ሯำăᅃዖ‫੻ټ‬၌዆‫ݛ‬ӄ๟ሞ႑ࡽۙ૙पฉई ኮࢫཁे०‫گڦڇ‬ཚ୳հഗăሯำ‫੻ټ‬ᄲ੻ᇀ႑ࡽ‫੻ټ‬Lj ᇑဣཥ‫୳ڦ‬հഗ঩ຕ࿮࠲ă႑ࡽᅙူॽ዁–3 dBೕ୲(f0)้ᇱ ๔ኵ‫ڦ‬0.707ԠLj‫ڍ‬๟ᅃ঩୳հഗ‫ڦ‬ሯำ‫੻ټ‬કቛ዁1.57 f0ă ኄᅪ࿆ጣLjӣሯำࣷཚࡗLj৽ࡻၟ୳հഗ๟ጇ഻႙ᅃᄣLj পኹೕ୲ࣷሺ‫ڟٷ‬1.57Ԡăߛ঩(N)‫گ‬ཚ୳հഗ‫݆ױڦ‬ᅺጱ ස՗5໯๖ă ՗5. ‫݆ױ‬ᅺጱߴ‫؜‬କN঩୳հഗ‫ڦ‬ሯำ‫ڪ‬ၳ‫੻ټ‬ N NEB 1 1.57 f0 2 1.11 f0 3 1.05 f0 4 1.025 f0 ᅃዖऺ໙‫ۉ‬ୟሯำ‫߸ڦ‬०‫݆ݛڇ‬๟๑ᆩ‫ݠ‬ኈ෉ॲLjස PSpiceă޿‫ټ‬ཚ୳հഗਏᆶ(1/2π × R3 × C1)ࢅ(1/2π × R1 × C21) ‫ڦ‬পኹೕ୲ăਏᆶᆩᇀఇె‫ۉ‬უࢅ‫ୁۉ‬ሯำ௢‫ڦ܈‬৛ඓሏ ໙‫ٷݣ‬ഗఇ႙࢔ዘᄲăሯำऺ໙ࡗ‫ײ‬ᇑ๮‫ऺۯ‬໙ࡗ‫ײ‬၎ ཞLj‫ڍ‬ຕ਍‫ت‬૙ॽᆯ෉ॲ৊ႜă R3 C1 V11 10kΩ 15.9nF 1V VCC 3 U41 V+ AD8610 6 2 V– VOUT1 V VEE R1 1MΩ C21 15.9pF ཮16. ‫ټ‬ཚ୳հഗ ᄲቴ‫؜‬NEBLj൩ٗ“‫ݴ‬ဆยዃ”‫ڇ֓؜ڑ‬჋ስ“঍ୁ෢௮”Lj ඗ࢫ‫ڇ‬ऍ“๑ీሯำ”Ӏ౧ă‫ڼ‬ᅃօ๟ቴ‫؜‬ፌ‫ٷ‬ሺᅮLjස཮ 17໯๖ă ᄲऺ໙ඪᅪ‫ۉ‬ୟ(ස཮16໯๖‫ټڦ‬ཚ୳հഗ)‫ڦ‬ሯำ‫ڪ‬ၳ‫ټ‬ ੻Ljยऺටᇵ੗ᅜ๑ᆩࠅ๕13Lj޿ࠅ๕ॽ႑ࡽሺᅮ‫܈ޗڦ‬ ‫ܔ‬ೕ୲ओ‫ݴ‬Lj඗ࢫ‫أ‬ᅜፌ‫ٷ‬႑ࡽሺᅮă ཮17. ཮16໯๖‫ۉ‬ୟ‫ڦ‬ፌ‫ٷ‬ሺᅮ ඗ࢫLj੗ᅜ๑ᆩ൱ࢅሏ໙‫ޙ‬ቴ‫؜‬NEBLjස཮18໯๖ăNEB ๟཮ዐฉӷև‫ٷݴ‬ዂՎೝ࿋ዃ‫ڦ‬ኵLjԨ૩ዐሞ170 kHz‫ت‬ă 09501-018 09501-019 ཮18. ཮16໯๖‫ۉ‬ୟ‫ڦ‬ሯำ‫ڪ‬ၳ‫(੻ټ‬NEB) Page 146 PSpice࣏ࣷऺ໙ยऺටᇵႴᄲჺ৯‫ڦ‬ഄ໱႑တă૩සLj໲ ᅙঢ়๭णକՂᄲ‫ڦ‬ຕ਍Ljᆩᇀ၂๖཮16໯๖‫ۉ‬ୟ‫ڦ‬๼෇ࢅ ๼‫؜‬ሯำ཮ăኄ๟ཚࡗ჋ስยዃ֓‫ڇ‬ዐ‫“ڦ‬ഔᆩሯำ”ઠํ ၄‫ڦ‬ă๼‫؜‬ሯำ঳ࡕස཮19໯๖ă ཮19. ཮16໯๖‫ۉ‬ୟ‫ڦ‬๼‫؜‬ሯำ ኪ‫ڢ‬ሯำ‫ࢫ੻ټ‬Ljยऺටᇵ੗ᅜ๑ᆩ༑ኍࢅsሏ໙‫ޙ‬ቴ‫ڟ‬ ޿‫੻ټ‬ฉ‫ڦ‬ሯำLjස཮20໯๖ăॽᅃ߲ᆴՔ‫ݣ‬ሞ‫گ‬ೕ୲ฉ (૩සLj1 Hz)ăᆸ॰‫ڇ‬ऍժॽ‫߲ܾڼ‬ᆴՔ‫ݣ‬ዃሞ170 kHz‫ت‬ (‫ۉ‬ୟ‫ڦ‬ሯำ‫)੻ټ‬ă޿‫੻ټ‬ฉ‫ڦ‬ሯำ੗ᅜٗ༑ኍᆴՔ‫ڦ‬ “dif ”‫؜܁‬ă MS-2066 ՗6. AD8599ሯำࡀ߭ ሯำႠీ ཉॲ ‫ރރ‬ኵሯำ (EN p-p) ‫ۉ‬უሯำ௢‫܈‬ (EN) 0.1 Hz዁ 10 Hz f = 1 kHz f = 10 Hz f = 1 kHz ၎࠲‫ୁۉ‬ሯำ f = 10 Hz f = 1 kHz փ၎࠲‫ୁۉ‬ሯำ f = 10 Hz ጺၿհ฿ኈ ेሯำ(THD + N) G = 1, RL ≥ 1 kΩ, f = 1 kHz, VRMS = 1 V ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ 76 1.07 1.15 1.5 2.0 4.2 2.4 5.2 −120 ‫ڇ‬࿋ nV p-p nV/√Hz nV/√Hz pA/√Hz pA/√Hz pA/√Hz pA/√Hz dB ཚ‫߰ڢ‬૗(CS) f = 10 kHz −120 dB සࡕದዃኟඓLjኄၵIC੗ᅜ༵ߛ‫ۉ‬ୟ‫ڦ‬঍ୁࢅ኱ୁႠీă ස཮21໯๖Ljೝ࢚‫ٷݣ‬ഗ๼෇੗ᅜᆫࣅሯำႠీă૩සLj ཚࡗሞཞ၎๼෇‫ںࢅ܋‬ኮक़‫ݣ‬ዃ‫ۉ‬ፆR5(၎‫ړ‬ᇀR1ࢅR4‫ڦ‬ ժ૴ፇࢇ)Lj੗ᅜᆫࣅ኱ୁႠీăኄዖ‫׉‬ᆩरຍ੗ၩ‫أ‬ሏ໙ ‫ٷݣ‬ഗ‫ڦ‬๼෇ೋዃ‫ୁۉ‬ժ३ณጺ኱ୁဃֶă ཮20. ཮16໯๖‫ۉ‬ୟ‫ڦ‬ጺ๼‫؜‬ሯำ (ሞNEBฉओ‫)ݴ‬ ฉ௬‫्݆ݛڦ‬ย໯ᆶ‫ۉ‬ୟሯำᇸᅙኟඓඓۨժದዃྺፌॅ ሯำႠీăPSpiceփኪ‫ڢ‬ኟඓ‫ڦ‬ದዃࢅᇮॲኵLjኄၵՂႷ ᆯ‫ۉ‬ୟยऺටᇵ৊ႜᆫࣅăฉຎ‫ۉ‬ୟ๟‫ޏ‬ኍ‫ܔ‬ሯำ৊ႜକ ᆫࣅǛ๟‫ޏ‬ᅙඓۨࢅ੊୯໯ᆶሯำᇸǛሏ໙‫ٷݣ‬ഗ‫߾ڦ‬ᅝ रຍࢅยऺरຍࣷᆖၚഄሯำႠీăఇెICยऺටᇵཚࡗ ๑ᆩాևೋዃ‫ୁۉ‬ၩ‫ۉأ‬ୟरേLj३ณକມटႠৗ༹࠶‫ڦ‬ ೋዃ‫ୁۉ‬ăኄၵरേࣷሞ‫ୁۉ‬ሯำ௢‫߭ࡀ܈‬ዐᆅ෇၎࠲‫ׯ‬ ‫ݴ‬ă՗6၂๖କ‫گג‬ሯำĂ‫گ‬฿ኈሏ໙‫ٷݣ‬ഗ(සADIࠅິ ‫ڦ‬AD8599)‫ڦ‬ሯำࡀ߭ă ཮21. ኱ୁᆫࣅ‫ۉ‬ୟ փࡗLjฉຎ‫ۉ‬ୟ࿄ኍ‫ܔ‬ሯำ৊ႜᆫࣅăྺُLjยऺටᇵՂ Ⴗඓۨ໯ᆶሯำᇸժႀူሯำࠅ๕Ljසฉ࿔໯ຎă཮22ඓ ۨକሯำᇸǗࠅ๕14๟ሯำࠅ๕ă Page 147 MS-2066 ཮22. ཮21ዐ‫ۉ‬ୟ‫ڦ‬ሯำᇸ ቴ‫؜‬NEBࢫLjՍ੗૧ᆩPSpiceઠऺ໙‫ۉ‬ୟ‫ڦ‬ጺሯำă཮23 ၂๖କ1‫ڟ‬15 kHz‫ڦ‬ሯำă ၎‫ܔ‬ᇀံമ‫ڦ‬঴ਦ‫ݛ‬ӄLj޿‫ۉ‬ୟሞሯำ‫ݛ‬௬ᆶࢆ߀฀Ǜྺ କ࣮‫޿ٴ‬࿚༶Ljምْඓۨକ໯ᆶሯำᇸLjժႀူࢇ๢‫ࠅڦ‬ ๕ઠऺ໙๼‫ڦ܋؜‬ጺሯำăස཮25໯๖LjጀᅪLjೝ࢚‫ۉ‬ፆ RB‫ࠋڦ‬၅ཚࡗࠅ๕15इ‫ڥ‬ă ཮23. ཮21ዐ‫ۉ‬ୟ‫ڦ‬๼‫؜‬ሯำ සࢆೝ࢚ሏ໙‫ٷݣ‬ഗ‫ڦ‬๼෇ᅜइ‫ڥ‬ፌॅሯำႠీǛ཮24ዐ ߴ‫؜‬କ‫ٴ‬ӄLjഄዐཞ้ኍ‫ܔ‬঍ୁࢅ኱ୁ֖ຕೝ࢚କ๼෇ă ጀᅪLj৑࠶ሯำሺᅮ၎ཞ(1001)Ljժ൐ୁ‫ٷݣ؜‬ഗ๼෇ᆅ গ้‫ୁۉ‬ሯำ௢‫܈‬ঢ়ࡗ‫ڪ‬ၳ‫ۉ‬ፆLj‫ۉڍ‬ፆኵ݀ิକՎࣅă ཮24. ঍ୁࢅ኱ୁᆫࣅ‫ۉ‬ୟ ཮25. ཮24ዐ‫ۉ‬ୟ‫ڦ‬ᅙඓۨሯำᇸ Page 148 ՗7ߴ‫؜‬କ཮21ࢅ཮24ዐ঳ࡕ‫࢙ڦ‬ၠԲডăᆯᇀ๑ᆩକၭ ‫ۉ‬ፆ৊ႜೝ࢚Ljଇዖದዃኮक़‫ڦ‬ጺ๼‫؜‬ሯำֶ੗ీੂഐઠ ுఫ஺‫ٷ‬Lj‫ڍ‬๟සࡕ཮21ዐR5๑ᆩ‫ۉٷ‬ፆLjሯำֶ৽ࣷ‫ׯ‬ ྺ࿚༶ă ՗7. ཮21ࢅ཮24‫࢙ڦ‬ၠԲড ᇮॲ ࿄ೝ࢚ VN2 (4KTR3)2 1.14–18 7.99–18 (4KTR2)2 8.00–15 (4KTRb)2 0.0000 (4KTR1)2 8.00–18 IN− 2 Rb2 0.0000 IN− 2 R22 1.43–18 IN+ 2 R32 1.44–12 NEB 15.7 kHz ጺሯำ(RTO) μV 560 ೝ࢚ 1.14–18 3.99–18 8.00–15 3.99–18 4.00–18 2.49–19 5.61E–19 1.00–12 15.7 kHz 484 ‫أ‬କణമߴ‫ڦ؜‬ଇዖ‫ྔ݆ݛ‬Lj๟‫࣏ޏ‬ᆶഄ໱‫ڦ‬०Ս‫݆ݛ‬ઠ ऺ໙‫ۉ‬ୟሯำǛሞᅃዖ‫׉‬ᆩᆌᆩ‫ۉ‬ୟ(नದዃྺൻ‫ۯ‬ADC ‫࣐ڦ‬؋ഗ‫ڦ‬ሏ໙‫ٷݣ‬ഗ)๖૩ዐߴ‫؜‬କଷᅃዖऺ໙ߴۨ‫ۉ‬ୟ ሯำ‫݆ݛڦ‬ă ཮26ዐ๑ᆩADIࠅິ‫ڦ‬AD8675(੻‫ټ‬ሯำ= 2.8 nV/√Hz)‫ۉڦ‬ უሯำ௢‫཮܈‬ፕྺ๖૩LjॽNEB‫ׯݴ‬ଇ߲൶ᇘ(‫گ‬ೕࢅߛ MS-2066 ೕ)ăጀᅪLjದዃྺཞ၎‫ڇ‬࿋ሺᅮ࣐؋ഗ‫ڦ‬AD8675‫ڦ‬NEB ๟ሏ໙‫ٷݣ‬ഗ‫ڇڦ‬࿋ሺᅮ‫(੻ټ‬10 MHz)ă ໯ᆶሏ໙‫ٷݣ‬ഗຕ਍๮֩‫ࠃ༵ۼ‬କ‫ۉ‬უሯำ௢‫཮܈‬Lj੗ᆩ ᇀֱቴ‫گ‬ೕሯำ(‫ރރ‬ኵሯำ)ࢅገችೕ୲ă޿႑တᇑࠅ๕ 16੗ᆩᇀऺ໙‫گ‬ೕཉॲူ‫ڦ‬ሯำǖ ๑ᆩࠅ๕16ժ๑FL = 0.1 HzĂFH = 70 HzĂገችೕ୲FC = 25 HzLj ࣷ‫ڟڥ‬40.45 nV rms‫گڦ‬ೕሯำLjසࠅ๕17໯๖ă ߛೕ൶ᇘ(ሯำ‫ڦ‬ೝ།൶ᇘईӣሯำ൶ᇘ)‫ڦ‬ሯำऺ໙සࠅ ๕18໯๖ă සࠅ๕19໯๖Ljᅜ਩‫ߵݛ‬ႚ๕ॽଇ߲൶ᇘ‫ڦ‬ሯำ၎ेLj‫ڥ‬ ‫ڟ‬8.86 μV rms‫ڦ‬ጺሯำă ޿঴ਦ‫ݛ‬ӄၳࡕසࢆǛৎຼ৛ඓ‫ߛܠ܈‬Ǜ޿‫ۉ‬ୟీ੗੍‫ت‬ ૙‫گ‬዁๊஺‫ڦ܈ײ‬႑ࡽ‫ۉ‬ೝǛኄၵ‫ۼ‬੗ཚࡗֱੂࠅ๕20ዐ ໯๖‫ڦ‬SNR৊ႜ֪๬ă ཮26. AD8675ሯำ௢‫܈‬ᇑೕ୲‫࠲ڦ‬ဣ Page 149 MS-2066 ‫ٷݣ‬ഗ‫گڦ‬ೕሯำ੗ᅜࢮ୼փऺ(AD8675‫ڦ‬ገችೕ୲‫׉ݥ‬ ‫)گ‬LjᅺُLj޿঴ਦ‫ݛ‬ӄ‫ڦ‬ጺSNRৈ૧ᆩӣሯำࠋ၅न੗ऺ ໙‫؜ڥ‬ă޿঴ਦ‫ݛ‬ӄፌߛ๢ᆩᇀ20࿋ᆌᆩă޿‫ٷݣ‬ഗࣷ‫ڞ‬ ዂ16࿋ADC(සADIࠅິ‫ڦ‬AD7671(SNR = 90 dB))‫ڦ‬SNR‫؜‬၄ टၭူইLjසࠅ๕21໯๖ă ᆶ‫ܠ‬ዖ‫݆ݛ‬੗ᅜऺ໙‫ۉ‬ୟሯำLjԨ࿔঻ถକഄዐबዖă‫ڍ‬ ๟Lj໯ᆶኄၵ‫ۼ݆ݛ‬ᆌ๯ံᆫࣅದዃ႑ࡽۙ૙‫ۉ‬ୟLj඗ࢫ ም৊ႜሯำ‫ݴ‬ဆࢅሯำऺ໙ăසࡕᆶଆࡻ‫ڦ‬ሏ໙‫ٷݣ‬ഗ PSpiceఇ႙੗ᆩLjሶ๑ᆩSPICE๟ፌ०Ս‫݆ݛڦ‬ăසࡕு ᆶLj੗ᅜ๑ᆩഄ໱ଇዖ‫݆ݛ‬ኮᅃǖሯำ௢‫݆཮܈‬ई૧ᆩࠅ ๕13৊ႜ๮‫ऺۯ‬໙‫݆ݛڦ‬ă ֖੊࿔၅ AN-202ᆌᆩԴऻLjIC‫ٷݣ‬ഗᆩࢽኸళǖඁ᳘Ăথ‫ں‬तഄ໱ ᅃၵᄲ‫ۅ‬LjADIࠅິ AN-347ᆌᆩԴऻLjසࢆಇ‫߅أ‬ඡ႙ሯำ——‫݆ݛ‬तᇱ૙ǖ ᅃዖ૙Ⴀ‫݆ݛ‬LjADIࠅິ AN-358ᆌᆩԴऻLjሯำᇑሏ໙‫ٷݣ‬ഗ‫ۉ‬ୟLj ADIࠅິ AN-581ᆌᆩԴऻLj‫ۉڇ‬ᇸᆌᆩዐ‫ڦ‬ೋዃࢅඁ᳘ሏ໙‫ٷݣ‬ഗLj ADIࠅິ AN-940ᆌᆩԴऻLjፌॅሯำႠీǖ‫گ‬ሯำ‫ٷݣ‬ഗ჋႙ኸళLj ADIࠅິ Barrow, JࢅA. Paul Brokawă“‫گ‬ೕࢅߛೕ‫ۉ‬ୟথ‫”ں‬Lj ఇె‫ܔ‬ ࣆLj‫ڼ‬23ਝ‫ڼ‬3೺Lj1989౎ă James BryantࢅLew Countsă“ሏ໙‫ٷݣ‬ഗ࿚༶—ሯำ”Lj ఇె ‫ࣆܔ‬Lj‫ڼ‬24ਝ‫ڼ‬2೺Lj1990౎ă Freeman, J. JLjሯำᇱ૙Lj ౨ሀǖJohn Wiley & Sons, Inc.Lj 1958౎ă Motchenbacher, C. DࢅJ. A. ConnellyLj‫گ‬ሯำ‫ۉ‬ጱဣཥยऺLj ౨ሀǖ John Wiley & Sons, Inc.Lj1993౎ă ჺ༪ࣷǖ ‫ߌد‬ഗ႑ࡽۙ૙‫ۉ‬ୟዐ‫ڦ‬ሯำᆫࣅLj‫ڼ‬1և‫ݴ‬ă ჺ༪ࣷǖ ‫ߌد‬ഗ႑ࡽۙ૙‫ۉ‬ୟዐ‫ڦ‬ሯำᆫࣅLj‫ڼ‬2և‫ݴ‬ă One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA09501sc-0-10/14(A) Page 150 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2626 JESD204Bገ࣑ഗాඓۨႠჽ‫׿‬ ঴௢ ፕኁǖIan Beavers ‫ܔ‬ᇀႴᄲᅃဣଚཞօఇຕገ࣑ഗ(ADC)‫ߛڦ‬໏႑ࡽ֑ᄣࢅ ‫ت‬૙ᆌᆩLj঴ೋၽࢅገ࣑ഗ‫ڦ‬ჽ‫׿‬Վࣅ೅ದ๟዁࠲ዘᄲ ‫ڦ‬ăྷජ޿༬Ⴀቛਸ‫ڦ‬ဣཥยऺटྺ࠲॰Ljᅺྺٗఇె֑ ᄣ‫تڟۅ‬૙ఇ੷ኮक़‫ڦ‬ඪࢆჽ‫׿‬฿ದ‫ࣷۼ‬๑Ⴀీူইă‫ܔ‬ ᇀ঍‫ٱ‬๕‫ت‬૙ܸჾLjᄣԨ‫ܔ‬ഋཞᄣ๟ՂႴ‫ڦ‬Ǘሞ঍‫ٱ‬๕‫ت‬ ૙้Ljᅃ߲ገ࣑ഗᄣԨࢫ৆߶ଷᅃ߲ᄣԨLj൐้क़ৈྺᅃ ้߲ዓዜ೺ዐ‫ڦ‬ᅃၭև‫ݴ‬ă JESD204B‫ڼ‬ෙ‫ߛپ‬໏‫ز‬ႜገ࣑ഗথ੨‫ڦ‬ᅃ߲ዘᄲ༬ႠLj๟ ഄీࠕඓ૬ဣཥዐ௅߲ገ࣑ഗ‫ڦ‬ඓۨႠჽ‫׿‬ăኟඓ૙঴ժ ૧ᆩ޿༬ႠLjՍ੗ሞ‫ڇ‬ဣཥዐኍ‫߲ܠܔ‬ADC‫ॺظ‬ཞօई঍ ‫֑ٱ‬ᄣဣཥă ᆯᇀඓۨႠჽ‫׿‬๟၎‫ܔ‬ডႎ‫ڦ‬ገ࣑ഗথ੨༬ႠLjဣཥยऺ ටᇵঢ়‫৽׉‬සࢆॺ૬ĂణՔ႑ࡽᅜतසࢆևຈྺཞօई঍ ‫ٱ‬๕‫ت‬૙‫ݛڪ‬௬٪ᆶዮ‫ܠ‬ᅑ࿚ăူ࿔‫ڦ‬և‫׉ݴ‬९࿚༶ᇑ঴ ‫ٴ‬ኍ‫߲ܠܔ‬ᇑFPGAᅃཞ֑ᄣ‫ڦ‬JESD204Bገ࣑ഗժ๑ᆩඓ ۨႠჽ‫׿‬৊ႜဣཥยऺܸჾă ๊஺๟ඓۨႠჽ‫׿‬Lj໲ሞJESD204Bዐ๟සࢆۨᅭ‫ڦ‬Ǜ JESD204B૾ୟ‫ڦ‬ඓۨႠჽ‫ۨ׿‬ᅭྺ‫ز‬ႜຕ਍ٗ݀ໃഗ (ADCईᇸ‫܋‬FPGA)‫ڦ‬ժႜኡຕ਍๼෇‫د‬խ዁থ๭ഗ(DAC ईথ๭‫܋‬FPGA)ժႜඁኡຕ਍๼‫؜‬໯Ⴔ‫้ڦ‬क़ă޿้क़ཚ ‫׉‬ᅜ‫ݴ‬Ր୲ྺኡ้ዓዜ೺ईᅜഗॲ้ዓ৊ႜ֪ଉă JESD204B‫ڦ‬ඓۨႠჽ‫߭ࡀ׿‬ுᆶ੊୯‫ڟ‬ADCఇెമ‫ࢃా܋‬ ई DACࢫ ‫ ܋‬ఇ ె ా ࢃ ‫ ڦ‬൧ ઄ ă ໲ ኻ ए ᇀ ๼ ෇ ࢅ ๼ ‫؜‬ JESD204Bຕጴኡ‫ڦ‬ຕ਍ăփৈଇ߲ᆶᇸഗॲሞኄዖჽ‫ऺ׿‬ ໙ዐፕྺࡧຕ๑ᆩLjᇑଇ߲ഗॲথ੨‫ڦ‬੣क़႑ࡽୟᆯᄺॽ ፕྺࡧຕ֖ᇑऺ໙ăኄᅪ࿆ጣ௅ཉ૾ୟ‫ڦ‬ඓۨႠჽ‫׿‬ሞ‫ܠ‬ ገ࣑ഗဣཥዐLj੗ీড‫ٷ‬ईডၭLjਏ༹ൽਦᇀJESD204Bཚ ‫ڦڢ‬ୟᆯ‫܈׊‬तഄ߳ጲ‫ڦ‬ჽ‫׿‬൧઄ăথ๭ഗ‫࣐ڦ‬؋ഗჽ‫׿‬ ᆶዺᇀ௜ցୟᆯሰ‫ڦׯ‬ჽ‫ֶ׿‬ᅴ(཮1)ă ཮1.ଇ߲JESD204Bഗॲኮक़‫ڦ‬ඓۨႠჽ‫׿‬ൽਦᇀෙ‫ݛ‬௬ǖ ݀ໃഗ‫ׯ‬ኡഗ‫ڟ‬๼‫ڦ܋؜‬ჽ‫׿‬Ă੣क़ୟᆯჽ‫ࢅ׿‬๼෇‫܋‬ ‫ڟ‬঴ኡഗ‫ڦ‬থ๭ഗჽ‫׿‬ăઠጲཞᅃ߲ဣཥዐଇ߲փཞADC ‫ڦ‬ຕ਍੗ీ߳ጲਏᆶ‫܀‬༬‫ڦ‬ඓۨႠჽ‫׿‬ă ᇑ ० ‫ ز ڦ ڇ‬ႜ ૾ ୟ ದ ዃ փ ཞ ——Բ ස ‫ گ‬უ ֶ ‫ ݴ‬႑ ࡽ (LVDS)——JESD204Bথ੨ॽຕ਍ᄣԨ‫ٶ‬Ԉྺۨᅭኡăब߲ ई‫߲ܠ‬ᄣԨ‫ڦ‬௅ᅃ߲ኡՉহሞ૾ୟ࿥๮ई‫؛‬๔ཚ‫ܔڢ‬ഋႾ ଚ(ILAS)঩܎਩ᆯઠጲ݀ໃഗ‫ڦ‬༬๺੦዆ጴ‫ޙ‬Քऻă߸‫ٷ‬ ‫ڦ‬ᅙۨᅭኡඖ——‫ܠྺ׬‬ኡ——ሞILAS঩܎ཞᄣ֑ᆩ၎ᆌ ‫ڦ‬੦዆ጴ‫ޙ‬Քऻă඗ܸLj޿Ⴞଚྜ‫ࢫׯ‬LjՍփምႴᄲ੦዆ ጴ‫ޙ‬Ljժ൐੗ᅜइൽ૾ୟ‫ڦ‬ඇ‫੻ټ‬ăኡՉহࢅ‫ܠ‬ኡՉহ‫ݴ‬ ՚ᇑኡ้ዓࢅ‫ܠ‬ኡ้ዓዘࢇă JESD204BጱૌᇑඓۨႠჽ‫࠲ڦ׿‬ဣᅪ࿆ጣ๊஺Ǜ JESD204Bၹᅱ‫ڦ‬ෙ߲ጱૌۨᅭକ૾ୟ‫ڦ‬ඓۨႠჽ‫׿‬ăጱૌ0 ၠࢫग़ඹJESD204ࢅJESD204ALjփኧ‫׼‬ඓۨႠჽ‫׿‬ăጱૌ1ཚ ࡗ‫ྺ׬‬SYSREF‫ڦ‬ဣཥ֖੊႑ࡽኧ‫׼‬ඓۨႠჽ‫׿‬ăጱૌ2ཚࡗ ‫~ܔ‬SYNC႑ࡽ‫ڦ‬ມዘ๑ᆩኧ‫׼‬ඓۨႠჽ‫׿‬LjժཞᄣሎႹথ๭ ഗ‫؛‬๔ࣅ࿥๮ILAS૩‫ײ‬ă৛ඓॽSYSREFᇑ~SYNCᅜ၎‫ܔ‬ᇀ ้ዓ‫้ڦ‬क़࠲ဣ‫ܔ‬ഋ‫ీڦ‬૰՗௽ణՔဣཥ໯Ⴔ‫ڦ‬ጱૌă Page 151 MS-2626 ඓۨႠჽ‫׿‬සࢆᆩፕ‫߲ܠ‬ገ࣑ഗ‫֑ڦ‬ᄣ‫ܔ‬ഋǛ ‫ܔ‬ᇀጱૌ1ܸჾLjኡ้ዓࢅ‫ܠ‬ኡ้ዓॽᇀ‫؜‬၄ဣཥ֖੊Չ ᄂ(SYSREF)้ሞ௅߲ഗॲాև‫ܔ‬ഋăॠ֪‫ڟ‬SYSREFՉᄂ ้Ljኄၵ้ዓᇑ޿‫้ۅ‬क़‫ܔ‬ഋăᆯᇀኄၵ้ዓ‫ܔ‬௅߲ഗॲ ܸჾ‫ۼ‬๟ాև‫ڦ‬Lj໲்ሞ݀ໃഗా‫ڦ‬Չহ੗૧ᆩ੦዆ጴ‫ޙ‬ ཚࡗ‫ز‬ႜ૾ୟཚ႑ă ௅߲থ๭ഗ၎‫ܔ‬ഄጲว้ዓ——ኄၵ้ዓਏᆶ၎ཞ‫ڦ‬ఁ ‫——׬‬ժ၎‫ܔ‬໯ᆶ݀ໃഗक़থ঴ஓ݀ໃഗኡࢅ‫ܠ‬ኡ้ዓ࿋ ዃăኄ๑‫ڥ‬থ๭ഗ੗ᅜ঴ೋၽ၎‫ܔ‬ডራ‫ڦٳڟ‬ຕ਍ᄣԨLj ܸٗ૧ᆩ࣐؋ഗჽ‫׿‬Ljᅜፌࢫ‫ڦٳڟ‬ຕ਍೅ದ૾ୟ(཮2)ă ཮2.ሞJESD204B݀ໃഗాLjᄣԨᇀ้ዓ໮٪ဣཥ֖੊ (SYSREF)Չᄂࢫ‫ܔ‬ഋኡࢅ‫ܠ‬ኡ้ዓăྺ኱࠵ഐ९Lj Ԩ࿔ۨᅭ‫ܠڦ‬ኡৈᆯ8߲ᄣԨፇ‫ׯ‬ă ‫ܔ‬ᇀཞօ֑ᄣܸჾLjኄၵຕ਍૾ୟ੗ሞFPGAాӀ้क़ಇ ଚă‫ܔ‬ᇀ঍‫֑ٱ‬ᄣܸჾLj௅߲૾ୟ‫ీۼ‬ᅜഄ‫ܔ‬ᆌ‫ڦ‬၎‫ܔ‬၎ ࿋ჽ‫׿‬৊ႜೋዃăඓۨႠჽ‫׿‬੗ཚࡗӀ้क़‫ܔ‬௅߲૾ୟ৊ ႜ֪ଉܸेᅜ๎՚Ljनٗথ๭ഗ‫ܠ‬ኡ้ዓՉᄂ‫ڟ‬௅߲‫ܔ‬ᆌ ૾ୟ‫ܠڦ‬ኡ੦዆ጴ‫ޙ‬ăُ‫ت‬ႴጀᅪLj௅߲૾ୟ‫ڦ‬ඓۨႠჽ ‫׿‬ՂႷփీ‫ࡗג‬ᅃ߲‫ܠ‬ኡ้ዓዜ೺(཮3)ă ཮3.૧ᆩ࣐؋ഗჽ‫׿‬LjઠጲJESD204B݀ໃഗժᅜ ‫ܠ‬ኡႚ๕‫؜‬၄‫ڦ‬ᄣԨీᇑ‫ܠ‬ኡ้ዓ‫ܔ‬ഋă ඓۨႠჽ‫׿‬๟‫ڪޏ‬ཞᇀጺገ࣑ഗჽ‫׿‬Ǜ ADC‫ڦ‬ጺჽ‫׿‬՗๖ഄ๼෇ᅃ߲ఇెᄣԨĂ‫ت‬૙Ăժٗഗॲ ๼‫؜‬ຕጴ႑ࡽ໯Ⴔ‫้ڦ‬क़ăૌຼ‫ں‬LjDAC‫ڦ‬ጺჽ‫׿‬՗๖ٗ ຕጴᄣԨຕ਍๼෇ഗॲ኱‫ڟ‬ఇె๼‫؜‬၎ᆌᄣԨ‫้ڦ‬क़ăཚ ‫׉‬Lj‫ܔ‬ኄଇኁ‫ۼ‬ᅜ‫ݴ‬Ր୲ྺ֑ᄣ้ዓዜ೺৊ႜ֪ଉLjᅺྺ ໲்ᇑೕ୲ᆶ࠲ă໲ᇑ‫߲ڇ‬ገ࣑ഗᇮॲా‫ڦ‬ఇె‫ت‬૙ॐࠓ և‫ݴ‬၎࠲ăኄሞᇱ૙ฉᇑJESD204B૾ୟևຈዐ௮ຎ‫ڦ‬ඓۨ Ⴀჽ‫ۨڦ׿‬ᅭᆶ໯փཞǗ޿ۨᅭ՗௽ഄᇑෙ߲ᇮॲᆶ࠲ă ‫ܔ‬ഋ‫߲ܠ‬ገ࣑ഗ‫ڦ‬঴ೋၽᇨ໙ፌ‫ٷ‬๟‫ܠ‬ณǛ ሞILAS‫ت‬૙঩܎Lj݀ໃഗ݀ໃ‫ܠ‬ኡ੦዆ጴ‫ޙ‬LjՔऻ‫ܠ‬ኡ้ ዓՉহăথ๭ഗ๎՚ኄၵጴ‫ޙ‬Ljժ‫ॺظ‬ጲᆶਆև‫ܠ‬ኡ้ ዓLjᇑฉᆴ૾ୟ‫ڦ‬໯ᆶ݀ໃഗ‫ܔ‬ഋă‫ܔ‬ᇀ֑ᆩ‫߲ܠ‬থ๭ഗ ‫ٷڦ‬႙ንଚဣཥLj‫ܠ‬ኡ้ዓཞᄣႴሞ໯ᆶኄၵഗॲዐ‫ܔ‬ ഋăᅺُLjඪᅪገ࣑ഗ૾ୟ‫ڦ‬ඓۨႠჽ‫ۼ׿‬փ੗‫߲ڇࡗג‬ ‫ܠ‬ኡ้ዓዜ೺ăኄ๟૾ୟฉ‫ڦ‬ጺೋၽ้क़ᇨ໙ă ‫ܠ‬ኡ้ዓ‫׼ڦ‬Ⴤ้क़ཚ‫֑ྺ׉‬ᄣ้ዓዜ೺‫ڦ‬ຕๆԠă໲ฯ ዁࣏ీཚࡗยዃ֖ຕՎଉLjሞ૾ୟ࿥๮೺क़ۙবྺ߸‫׊‬ई ߸‫܌‬ă ޿༬Ⴀీ‫ޏ‬ሞADCईDACฉኟඓ‫ܔ‬ഋ዁ཞᄣ‫ڦ‬ఇె ֑ᄣ‫ۅ‬Ǜᆶுᆶഄ໲ᄲ൱Ǜ ඓۨႠჽ‫׿‬ӀቷᅜJESD204B‫ׯ‬ኡഗ้क़ྺຩႾ‫้ڦ‬क़‫ۅ‬Lj ༵ࠃᄣԨ‫ܔ‬ഋ‫ݛ‬๕ă‫ُ้أ‬क़ኮྔLjADC࣏ॽਏᆶ߸‫ܠ‬ჽ ‫้׿‬ዓዜ೺Lj੗ᆩઠ‫ت‬૙ઠጲJESD204B‫ׯ‬ኡഗᅜമ‫ڦ‬മ‫܋‬ ఇెᄣԨăገ࣑ഗࠃᆌฆՂႷኸۨ޿้क़ዜ೺࿋ᇀ‫ׯ‬ኡഗ ኮമLj‫้ྺ܈׊‬ዓ‫܈׊‬ă၎‫ݒ‬Lj঴ኡഗ‫ت‬૙ᄣԨժᅜఇె ႚ๕๼‫ࢫ؜‬LjDACॽႴᄲ‫้ڦྔܮ‬ዓዜ೺ă Page 152 ሞᆶၳఇెᄣԨຕ਍੗ᆩᅜമLj‫ܔ‬ഋࡗ‫ײ‬Ⴔ‫׊ܠ‬ ้क़Ǜ SYSREFՉᄂ݀ໃ዁ገ࣑ഗࢅFPGALjਸഔ‫ܔ‬ഋࡗ‫ײ‬ăُ๚ ॲࢫLjႴᄲྜ‫ܠ߲ܠׯ‬ኡ้ዓዜ೺ᅜतILASႾଚLj֍ీइ ൽᆶၳᄣԨຕ਍ăኄᇑႹ‫֑ܠ‬ᄣ้ዓዜ೺‫ڦ‬၎‫้ܔ‬क़‫ڪ‬ ၳă༬ۨ‫׼ڦ‬Ⴤ้क़੗ీൽਦᇀገ࣑ഗాև‫ڦ‬JESD204Bా ࢃ༬ᆶඓۨႠჽ‫׿‬Lj޿ຕ਍ᆯࠃᆌฆ༵ࠃăሞ޿้क़ాLj ૾ୟ࠲܏Ljփ‫د‬๼ᆶၳຕ਍ăሞਨ‫้ܔ‬क़ాLj‫׼‬Ⴤ้क़ॽ ๟֑ᄣ้ዓೕ୲‫ࡧڦ‬ຕă ‫ܔ‬ᇀဣཥยऺܸჾLjํ၄ཞօ֑ᄣፌ‫ڦٷ‬཈቟ሞ న૛Ǜ ሞጱૌ1ዐLjํ၄‫گ‬዁ᄣԨप‫ڦ‬ཞօई঍‫تٱ‬૙໯ᇜ‫ڦڟ‬ ፌ‫ٷ‬཈቟ኮᅃLj๟ሞ‫߲ܠ‬ገ࣑ഗዐӀႾ‫ܔ‬ഋSYSREF‫ڦ‬๑ీ ՉᄂăُྔLj௅߲SYSREFՉᄂ‫ۼ‬ᄲ஢ፁഄ‫ܔ‬ᆌ֑ᄣ้ዓ‫ڦ‬ ॺ૬ࢅԍ‫้׼‬क़ᄲ൱ăኄॽၩࡼᅃև‫ݴ‬੗ᆩ‫้ڦ‬Ⴞᇧଉă ዷ‫ۯ‬Ă‫܀‬૬‫ں‬ೋၽSYSREFࢅ้ዓኮक़‫ڦ‬৛ဦ၎࿋ॽᆶዺᇀ ํ၄ገ࣑ഗฉ‫้ڦ‬Ⴞ๭ૼă SYSREF๟‫ْڇ‬๚ॲ࣏๟ዘް๚ॲǛ௅ዖ൧઄ူ‫ݴ‬ ՚Ⴔᄲକ঴๊஺Ǜ SYSREF‫ܔ‬ഋՉᄂ੗ᅜ๟‫ْڇ‬ஞ؋Ăዜ೺႑ࡽĂ‫ټ‬ဤዜ೺႑ ࡽईዘް‫ݥ‬ዜ೺႑ࡽă໲ॽߵ਍ဣཥ‫ڦ‬ႴᄲLjᅜतᇸ‫ڦ܋‬ ้ዓᇑSYSREFኮक़‫ڦ‬၎࿋ೋၽ้Ⴞଳ௺‫ܸۨ܈‬ă‫ܔ‬ᇀዘް SYSREF႑ࡽܸჾLjኡࢅ‫ܠ‬ኡ้ዓॽሞ௅ْ๚ॲ݀ิ้ዘႎ ‫ܔ‬ഋă඗ܸLjᆯᇀణՔ๟ԍ‫׼‬ᅃፇ‫ܔ‬ഋ‫้ڦ‬ዓLjዘްዜ೺ SYSREF႑ࡽ‫ڦ‬๑ీՉᄂᆌ‫ړ‬ሞ‫ܠ‬ኡ้ዓՉহူইăᆯᇀ้ ዓᆌ‫ړ‬ᅙঢ়ሞ‫ڼ‬ᅃ߲SYSREFՉᄂࢫ‫ܔ‬ഋLjᅺُኄᄣ੗ᅜ‫ݞ‬ ኹփՂᄲ‫ڦ‬ዘް‫ܔ‬ഋă ዜ೺ႠSYSREF႑ࡽ‫ڦ‬ᅃ߲փ૧ᆖၚLj৽๟੗ీ᳘ࣷࢇ዁ణ Քఇె႑ࡽăኄՍ๟ྺ๊஺փॺᅱ๔ዕ֑ᆩዜ೺႑ࡽ‫ڦ‬ᇱ ᅺǗৈሞྤփ‫ڥ‬ᅙ้֍๑ᆩዜ೺႑ࡽăසࡕ๑ᆩକዜ೺Ⴀ SYSREFLjሶՂႷጮဦ‫ॽں‬ഄᇑADCఇెമ‫܋‬ኟඓ߰૗ă MS-2626 SYSREFೋၽۙব዁‫้ڇ‬ዓዜ೺ᅜా‫݆ݛڦ‬ᆶనၵǛ ૙ၙ൧઄ူLjᆩᇀ௅߲ገ࣑ഗࢅFPGA‫ڦ‬SYSREFࢅ้ዓ੗ ৛ඓୟᆯLjഄ้Ⴞᇧଉ஢ፁ໯ᆶᇮॲ‫ڦ‬੏ਗ਼ॺ૬้क़ࢅԍ ‫้׼‬क़ᄲ൱ă‫ڍ‬ໜጣߛႠీገ࣑ഗ‫֑ڦ‬ᄣ໏‫܈‬փ܏ሺ‫׊‬Lj ৈཚࡗ৛௢ᆇຘ‫ۉ‬ୟӱ(PCB)ୟᆯᅙ࿮݆๔ዕ஢ፁ้Ⴞ๭ ૼᄲ൱ăփཞഗॲ‫ڦ‬ᆅগक़ֶᅴᅜत‫ۉ‬ᇸࢅ࿒‫܈‬ೋֶࣷሞ ߛ໏ገ࣑ഗንଚฉׂิᅃ߲၎‫ܔ‬ড‫้ڦٷ‬Ⴞೋၽă੗ీႴ ᄲߛप้Ⴞۙবࠀీઠ༵ࠃዷ‫ۯ‬SYSREF၎࿋ೋၽă ૩සLjઠጲADC‫ڦ‬য়Ԓ੗ᅜ๎՚SYSREFՉᄂ๟‫ޏ‬໮٪዁ॺ ૬้क़ժԍ‫׼‬ሞፆ‫้ڔ‬Ⴞ‫ش‬੨ዐăසࡕඓํසُLjఫ஺‫ܔ‬ ᇀన้߲ዓՉᄂ(้ዓ[N]ई้ዓ[N+1])ᆩᇀ้Ⴞ֖੊ॽ٪ ሞ փ ඓ ۨ Ⴀ ă ൽ ਦ ᇀ ࢆ ‫ ت‬ॠ ֪ ‫ ڟ‬SYSREFՉ ᄂ Lj ၎ ‫ ܔ‬ᇀ SYSREF‫֑ڦ‬ᄣCLKՉᄂ၎࿋ሞ้ዓᇸ‫ت‬੗ీ٪ሞჽ‫׿‬Ljᅜ ԍ‫׼‬ᆶၳ้ႾཉॲLj஢ፁॺ૬ࢅԍ‫้׼‬क़ᄲ൱ă ଷᅃዖ‫݆ݛ‬๟૧ᆩ֑ᄣ้ዓ‫ူڦ‬ᅃ߲ူইᄂ(ܸ‫ݥ‬ฉืᄂ) ઠइൽ၎࿋ᇧଉ‫ڦ‬ӷዜ೺ăဣཥዐ‫ڦ‬໯ᆶገ࣑ഗ਩ీᅜኄ ዖ‫ݛ‬๕৊ႜۙኝLjമ༵๟้ዓᇸኍ‫ܔ‬၎ᆌ‫ڦ‬SYSREFࢅCLK ਏᆶ‫܀‬૬‫ڦ‬၎࿋ۙኝ(཮4)ă ཮4.සႴሞߛ໏ူ‫گڟٳ‬዁ᄣԨप‫ܔڦ‬ഋႠీLj ሶ஢ፁ၎‫ܔ‬ᇀ๼෇้ዓ‫ڦ‬SYSREFॺ૬-ԍ‫้׼‬क़ ᄲ൱੗ీᆶవ‫܈‬ă ሞ၎࿋‫ڦ‬ራ೺঩܎)၎‫ܔ‬ᇀCLK* ೋၽ௅ᅃ߲SYSREF๼෇ᅜ‫ॺݞ‬૬้क़ೋֶ‫ీڦ‬૰ ᆶዺᇀ஢ፁဣཥዐ‫߲ܠ‬ገ࣑ഗ‫้ڦ‬Ⴞ๭ૼᄲ൱ă Page 153 MS-2626 ኧ‫׼‬ጱૌ1ࢅጱૌ2‫ڦ‬ገ࣑ഗႴᄲ๑ᆩඓۨႠჽ‫׿‬ ࠀీ஘Ǜ සJESD204Bࡀ߭ۨᅭLjጱૌ1ࢅጱૌ2๟ৈᆶኧ‫׼‬ඓۨႠჽ ‫ڦ׿‬ጱૌăሞጱૌ1ዐLjSYSREF႑ࡽۨᅭඓۨႠჽ‫׿‬ăሞ ጱૌ2ዐLj~SYNC႑ࡽۨᅭ޿ჽ‫׿‬ă඗ܸLjగၵገ࣑ഗࠃ ᆌฆ‫ॺظ‬କጱૌ0ևຈLjᆩઠኧ‫׼‬ᄣԨ‫ܔ‬ഋ‫ڦ‬ཞօ‫ݛ‬ӄă ኄዖ൧઄ူLjփ๑ᆩገ࣑ഗࢅFPGAኮक़‫ܠڦ‬ኡ้ዓ‫ܔ‬ഋ օየă ૧ᆩ޹े‫ޤڦ‬ዺ႑တ(‫ྺ׬‬੦዆࿋)Lj੗ሞᄣԨप֑ᆩ้क़ ‫م‬ऐ዆ՔऻSYSREF‫؜ڦ‬၄൧઄ăᇑSYSREFՉᄂዘࢇ‫ڦ‬௅ ᅃ߲ᄣԨ਩ᅜྸᅃ੦዆࿋ՔऻăሞFPGAాLj໯ᆶᆛᆶُ ้क़‫૾ڦم‬ୟ੗ᅜჽ‫׿‬዁‫ڪ‬ᇀፌ‫׊‬ୟ০඗ࢫࢻ၎‫ܔ‬ഋLjᇑ ገ࣑ഗኮक़‫ڦ‬ჽ‫ֶ׿‬՚࿮࠲(཮5ࢅ཮6)ă ཮5.૧ᆩSYSREF੦዆࿋้क़‫م‬Ljሞᅃ߲FPGA‫ت‬૙ఇ੷ా ੗ํ၄ጱૌ0ዐ‫ڦ‬ᄣԨ‫ܔ‬ഋLjܸᇑఇె๼෇‫ڟ‬JESD204B ๼‫؜‬ኮक़‫߲ܠ‬ADCฉ‫ํڦ‬ाჽ‫ֶ׿‬ᅴ࿮࠲ă ཮6.૧ᆩ޹े‫ڦ‬੦዆࿋ፕྺ‫݀ة‬ഗ(ࢤ෥Lj Քऻྺᇑമ‫܋‬ఇె๼෇ዘࢇ)LjሶFPGA ੗ᅜ‫ܔ‬ഋਏᆶփཞჽ‫ڦ׿‬႑ࡽ૾ᄣԨă ၭ঳ ໚඗ඓۨႠჽ‫׿‬๟JESD204Bዐডྺްሗ‫ڦ‬ᅃၜ༬ႠLj‫ڍ‬ැ ฀े૧ᆩՍ੗‫ߛྺׯ‬Ⴀీ႑ࡽ‫ت‬૙ဣཥยऺዐ‫ڦ‬ᅃၜഽ‫ٷ‬ ༬ႠăઠጲADCንଚ‫ڦ‬ᄣԨ੗ཚࡗ࣐؋ഗჽ‫׿‬ሞFPGAా և‫ܔ‬ഋժ঴ೋၽLjܸٗํ၄ཞօई঍‫֑ٱ‬ᄣăJESD204Bጱ ૌ๎՚‫ܔ‬ᇀ૙঴ဣཥ‫้ڦ‬Ⴞ‫ܔ‬ഋీ૰‫׉ݥ‬ዘᄲă้Ⴞ๭ૼ ᇀSYSREFᅜतဣཥADC‫ڦ‬CLK๼෇ᆅগ‫ܔ‬ᇀํ၄ᄣԨ‫้ڦ‬ क़‫ܔ‬ഋܸჾटྺ࠲॰ă ፕኁ०঻ Ian Beavers๟ADIࠅິߛ໏ገ࣑ഗཷ‫ڦܓ‬ᆌᆩ߾‫ײ‬฾ă໱ᇀ 1999౎े෇ADIࠅິLjᆛᆶ‫ࡗג‬18౎‫ڦ‬ӷ‫༹ڞ‬ႜᄽٗᄽঢ় ᄓă໱ᇀெࡔԛਸ਼ஆઠభዝ૬‫ٷ‬ბइ‫ۉڥ‬ഘ߾‫ײ‬ბ๗ბ࿋ ࢅ߭ଠຯձஆ‫ݴ‬ၯMBAბ࿋ă໱๟ዐ࿔रຍஃ༇ߛ໏ADC ኧ‫׼‬ม൶‫ࣷڦ‬ᇵăසᆶඪࢆ࿚༶Lj൩݀ໃ‫ڟ‬ADIࠅິዐ࿔ रຍஃ༇ሞ၍रຍኧ‫׼‬ม൶‫ڦ‬lanBă TA12222sc-0-2/14 Page 154 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-1779 ৵ၜ‫׉‬ԥࢮ୼‫ڦ‬ADCरຍࡀ߭! ፕኁǖBrad BrannonLjADIࠅິဣཥᆌᆩ߾‫ײ‬฾ ాඹ༵ᄲ ఇຕገ࣑ഗ(ADC)ᆶ࢔‫߭ࡀܠ‬Ǘగၵࡀ߭‫ܔ‬ᇀగ߲༬ۨᆌ ᆩܸჾᄲԲ‫ܔ‬ᇀഄ໱ᆌᆩ߸ዘᄲă૙঴ኄၵࡀ߭ժ੦዆ᆖ ၚADC‫ྔڦ‬ևഗॲॽํ၄߸ॅ‫ڦ‬Ⴀీă ᆶසُኮ‫ڦܠ‬ఇຕገ࣑ഗ(ADC)੗ࠃ჋ስLj࿢் ጺ๟࢔వ౬ൣనዖADC֍ፌ๢ࢇ़ۨᆌᆩăຕ ਍๮֩ྫྫࣷ๑࿚༶Վ‫ްे߸ڥ‬ሗLjႹ‫ܠ‬रຍ ࡀ߭‫ۼ‬ᅜ࿮݆ᇨଙ‫ݛڦ‬๕ᆖၚጣႠీă ჋ስገ࣑ഗ้Lj߾‫ײ‬฾ཚ‫׉‬ኻ࠲ጀ‫ݴ‬Ր୲Ă႑ሯԲ(SNR)ई ኁၿհăኄၵ໚඗࢔ዘᄲLj‫ڍ‬ഄ໱रຍࡀ߭ཞᄣਉፁൟዘă ‫ݴ‬Ր୲ ‫ݴ‬Ր୲੗ీ๟ፌᅟԥဃ঴‫ڦ‬रຍࡀ߭Lj໲՗๖๼‫؜‬࿋ຕLj ‫ڍ‬փ༵ࠃᆶᆩ‫ڦ‬Ⴀీຕ਍ăև‫ݴ‬ຕ਍๮֩ࣷଚ‫؜‬ᆶၳ࿋ຕ (ENOB)Lj໲๑ᆩํाSNR֪ଉઠऺ໙ገ࣑ഗ‫ڦ‬ᆶၳႠăᅃ ዖ߸ेᆶᆩ‫ڦ‬ገ࣑ഗႠీኸՔ๟ᅜdBm/HzईnV/√Hzࡀۨ ‫ڦ‬ሯำೕ೷௢‫(܈‬NSD)ăNSD੗ᅜཚࡗᅙኪ֑ᄣ໏୲Ă๼ ෇‫ྷݔ‬ĂSNRࢅ๼෇ፆੇऺ໙‫(؜ڥ‬dBm/Hz)ăᅙኪኄၵ֖ ຕLjՍ੗჋ስᅃ੼ገ࣑ഗઠ೅ದമ‫ۉ܋‬ୟ‫ڦ‬ఇెႠీăኄ ዖ჋ስADC‫݆ݛڦ‬Բৈৈଚ‫ݴ؜‬Ր୲߸ᆶၳă Ⴙ‫ܠ‬ᆩࢽ࣏ࣷ੊୯ሗොࢅၿհႠీăኄၵ‫ۼ‬ᇑ‫ݴ‬Ր୲࿮ ࠲Lj‫ڍ‬ገ࣑ഗยऺටᇵᅃӯᄲۙኝ໱்‫ڦ‬ยऺLj๑ၿհᇑ ‫ݴ‬Ր୲၎ᅃዂă ‫ۉ‬ᇸᅞ዆ ‫ۉ‬ᇸᅞ዆(PSR)֪ଉ‫ۉ‬ᇸ࿖հසࢆᇑADC๼෇᳘ࢇᅜ၂၄ ሞഄຕጴ๼‫؜‬ฉăසࡕPSRᆶ၌Lj‫ۉ‬ᇸ၍ฉ‫ڦ‬ሯำॽৈ๴ ‫گڟ‬ᇀ๼෇‫ۉ‬ೝ30 dB዁50 dB‫ڦ‬ᅞ዆ă ᅃӯܸჾLj‫ۉ‬ᇸฉ‫ڦ‬࿮ᆩ႑ࡽᇑገ࣑ഗ‫ڦ‬๼෇‫ྷݔ‬၎࠲ă ૩සLjසࡕ‫ۉ‬ᇸฉ‫ڦ‬ሯำ๟20 mV਩‫ܸߵݛ‬ገ࣑ഗ๼෇‫ྷݔ‬ ๟0.7 V਩‫ߵݛ‬Ljሶ๼෇ฉ‫ڦ‬ሯำ๟–31 dBFSăසࡕገ࣑ഗᆶ 30 dB PSRLjሶ၎߅ሯำࣷሞ๼‫؜‬ዐ၂၄ྺᅃཉ–61 dBFS೷ ၍ăሞඓۨ‫ۉ‬ᇸॽႴᄲ‫ܠ‬ณ୳հࢅඁ้᳘LjPSRᆮഄᆶ ᆩăPSRሞᅅଐᆌᆩई߾ᄽᆌᆩ‫ߛڪ‬ሯำ࣍ৣዐLjᅜतႴ ᄲ๑ᆩDC-DCገ࣑ഗ‫ీߛڦ‬ၳᆌᆩዐ‫׉ݥ‬ዘᄲă ࠌఇᅞ዆ ࠌఇᅞ዆(CMR)֪ଉ٪ሞࠌఇ႑ࡽ้ᆅഐ‫ֶڦ‬ఇ႑ࡽăႹ ‫ܠ‬ADC֑ᆩֶ‫ݴ‬๼෇ઠํ၄‫ࠌܔ‬ఇ႑ࡽ‫ੇߛڦ‬ඡ‫܈‬Ljᅺྺ ֶ‫ݴ‬๼෇঳ࠓԨวᅞ዆౾ຕ঩฿ኈओă ᇑPSRᅃᄣLj‫ۉ‬ᇸ࿖հĂথ‫֫ں‬ฉׂิ‫୲ࠀߛڦ‬႑ࡽĂं ೕഗࢅRF୳հഗ‫ڦ‬RFႅ୑ᅜतీࠕׂิߛ‫ڦׇىࢅׇۉ‬ᆌ ᆩࣷᆅഐࠌఇ႑ࡽă໚඗Ⴙ‫ܠ‬ገ࣑ഗփࡀۨCMRLj‫ڍ‬໱் ཚ‫׉‬ਏᆶ50 dB዁80 dB‫ڦ‬CMRă ้ዓუӦ୲ ้ዓუӦ୲๟ํ၄‫ۨܮ‬Ⴀీ໯Ⴔ‫ڦ‬ፌၭუӦ୲ă‫ܠ‬ຕገ࣑ ഗሞ้ዓ࣐؋ഗฉᆶፁࠕ‫ڦ‬ሺᅮLjᅜඓԍ֑ᄣ้ਗ਼হۨ௽ ඓLj‫ڍ‬සࡕუӦ୲ࡗ‫ܸگ‬๑֑ᄣ้ਗ਼࢔փඓۨLjॽׂิࡗ ଉሯำăසࡕࡀۨፌၭ๼෇უӦ୲Ljᆩࢽᆌ஢ፁ޿ᄲ൱Lj ᅜඓԍ‫ۨܮ‬ሯำႠీă ੥০۶‫ۯ‬ ੥০۶‫ۯ‬๟ADC‫ాڦ‬և้ዓփඓۨႠăADC‫ڦ‬ሯำႠీ๴ ాևࢅྔև้ዓ۶‫ۯ‬၌዆ă Page 155 MS-1779 ሞ‫ۆ‬႙‫ڦ‬ຕ਍๮֩ዐLj੥০۶‫ۯ‬ৈ၌ገ࣑ഗăྔև੥০۶ ‫ۯ‬ᅜ਩‫ݛߵݛ‬๕ᇑాև੥০۶‫ۯ‬၎ेă‫ܔ‬ᇀ‫گ‬ೕᆌᆩLj۶ ‫ۯ‬੗ీժփዘᄲLj‫ڍ‬ໜጣఇెೕ୲‫ڦ‬ሺेLjᆯ۶‫ۯ‬ᆅഐ‫ڦ‬ ሯำ࿚༶Վ‫ڥ‬ሁઠሁ௽၂ăසࡕփ๑ᆩ؊ፁ‫้ڦ‬ዓLjႠీ ॽԲᇨ೺ᄲֶă ‫أ‬ᆯᇀ้ዓ۶‫ܸۯ‬ሺे‫ڦ‬ሯำᅜྔLj้ዓ႑ࡽዐᇑ้ዓփ ٪ሞၿհ࠲ဣ‫ڦ‬೷၍ᄺॽ၂၄ྺຕጴࣅ๼‫ڦ؜‬฿ኈăᅺ ُLj้ዓ႑ࡽᆌਏᆶ৑੗ీߛ‫ڦ‬ೕ೷‫܈ك‬ăᇡକ঴ᆶ࠲੥ ০۶‫ۯ‬ၳᆌ‫ၘܠ߸ڦ‬ဦ႑တLj൩֖੊ADIᆌᆩԴऻAN-501 ࢅAN-756ă ੥০ჽ‫׿‬ ੥০ჽ‫׿‬๟֑ᄣ႑ࡽ‫ڦ‬ᆌᆩᇑํा৊ႜ๼෇႑ࡽ֑ᄣ‫้ڦ‬ ਗ਼ኮक़‫้ڦ‬क़ჽ‫׿‬ăُ้क़ཚ‫ྺ׉‬భ௱ई߸ၭLj੗ీྺ ኟĂྺ޶ईฯ዁ྺଭă‫ݥأ‬ኪ‫ڢ‬৛ඓ‫֑ڦ‬ᄣ้ਗ਼‫׉ݥ‬ዘ ᄲLj‫ޏ‬ሶ੥০ჽ‫׿‬ժփዘᄲă ገ้࣑क़ࢅገ࣑ჽ‫׿‬ ገ้࣑क़ࢅገ࣑ჽ‫׿‬๟ଇ߲௢ൎ၎࠲‫ڦ‬रຍࡀ߭ăገ้࣑ क़ᅃӯ๢ᆩᇀደْ԰ৎ႙ገ࣑ഗ(SAR)Ljኄૌገ࣑ഗ๑ᆩ ߛ้ዓ໏୲‫ت‬૙๼෇႑ࡽLj๼෇႑ࡽ‫؜‬၄ሞ๼‫؜‬ฉ‫้ڦ‬क़ ௽၂ྟᇀገ࣑ంସLj‫ڍ‬ራᇀူᅃ߲ገ࣑ంସăገ࣑ంସᇑ ገ࣑ྜ‫ׯ‬ኮक़‫้ڦ‬क़‫ྺ׬‬ገ้࣑क़ă ገ࣑ჽ‫׿‬ཚ‫׉‬๢ᆩᇀୁ຤၍๕ገ࣑ഗăፕྺ֪ଉᆩᇀׂิ ຕጴ๼‫ୁڦ؜‬຤၍(ాևຕጴप)ຕణ‫ڦ‬रຍࡀ߭Ljገ࣑ჽ ‫׿‬ཚ‫׉‬ᆩୁ຤၍ჽ‫׿‬ઠࡀۨăཚࡗॽُຕణ‫ױ‬ᅜᆌᆩዐ๑ ᆩ‫֑ڦ‬ᄣዜ೺Lj੗ऺ໙ํाገ้࣑क़ă ࣓ႝ้क़ ྺକই‫ߌ௺ࡼࠀگ‬႙ᆌᆩ‫ࡼࠀڦ‬Ljഗॲཚ‫׉‬ሞ၎‫ܔ‬փᆩ೺ क़࠲܏ăኄᄣፔඓํ੗ᅜবู‫ٷ‬ଉࠀࡼLj‫ڍ‬ഗॲዘႎഔ‫ۯ‬ ้Lj๑ాևएጚ‫ۉ‬უᇸ࿘ۨᅜत๑ాև้ዓࠀీ࣬ްႴᄲ ᆶ၌้क़ଉă೺क़ׂิ‫ڦ‬ገ࣑ຕ਍ॽփ஢ፁरຍࡀ߭ă ๼‫޶؜‬ሜ ཞ໯ᆶຕጴ๼‫؜‬ഗॲᅃᄣLjADCLjᆮഄ๟CMOS๼‫؜‬ഗ ॲLjࡀۨ๼‫؜‬ൻ‫ీۯ‬૰ă‫؜‬ᇀ੗੍Ⴀ‫ڦ‬ᇱᅺLjኪ‫ڢ‬๼‫؜‬ൻ ‫ీۯ‬૰ԲডዘᄲLj‫ڍ‬ፌॅႠీᅃӯࣷ݀ิሞ࿄‫ྜڟٳ‬ඇൻ ‫ీۯ‬૰้ă ሞߛႠీᆌᆩዐLjዘᄲ‫ڦ‬๟Ljॽ๼‫޶؜‬ሜই዁ፌ‫گ‬ժ༵ࠃ ๢‫ڦړ‬ඁ᳘ࢅᆫࣅքਆLjᅜ৑੗ీই‫ۉگ‬ᇸฉ‫ڦ‬უইăྺ କ Ն ௨ ُ ૌ ࿚ ༶ ݀ ิ Lj Ⴙ ‫ ܠ‬ገ ࣑ ഗ ‫ ࠃ ༵ ۼ‬LVDS ๼ ‫ ؜‬ă LVDSਏᆶ‫׬ܔ‬ႠLjᅺُ੗ᅜই‫گ‬ਸ࠲‫ୁۉ‬ժ༵ߛጺ༹Ⴀ ీăසࡕ੗ᅜLjᆌ޿๑ᆩLVDS๼‫؜‬ᅜඓԍፌॅႠీă ‫ۙڇ‬Ⴀ ‫ۙڇݥ‬Ⴀገ࣑ഗ๟ᅃዖຕጴ‫پ‬ஓ‫ڦ‬ၽ୲‫ࡽޙ‬՗၄‫؜‬ਆևՎ ࣅ‫ڦ‬ഗॲăᅺُLj‫ܔ‬ᇀᅃ߲‫׼‬Ⴤሺे‫ڦ‬ఇె๼෇ܸჾLjຕ ጴ๼‫؜‬՗၄‫؜‬ᅃ߲ਆևՎࣅLjഄၽ୲ٗኟՎྺ޶LjምՎ࣮ ኟă‫ܔ‬ᇀ঍ୁႠీ࢔ዘᄲ‫ڦ‬ᆌᆩLj‫ۙڇݥ‬Ⴀ՗၄ᅃӯփࣷ ᆶ࿚༶ă‫ڍ‬๟Lj‫ܔ‬ᇀADC๟Կࢇ࣍ୟᅃև‫ڦݴ‬ᆌᆩLjኄዖ ՗၄ཚ‫ڞࣷ׉‬ዂ࣍ୟփ࿘ۨࢅডֶ‫ڦ‬Ⴀీă‫ܔ‬ᇀኄૌᆌ ᆩLjᆌ‫ړ‬ጮဦ჋ስገ࣑ഗLjඓԍገ࣑ഗ஢ፁ‫ۙڇ‬ႠႠీă ࿄ࡀۨՔጚ ᅃ߲዁࠲ዘᄲ‫ڦ‬࿄ࡀۨၜణ๟PCBքਆă໚඗੗ࡀۨాඹ ‫ڦ‬փ‫ܠ‬Lj‫޿ڍ‬ၜణࣷ၂ዸᆖၚገ࣑ഗ‫ڦ‬Ⴀీă૩සLjසࡕ ᆌᆩ࿄ీ֑ᆩ؊ፁ‫ڦ‬ඁ᳘‫ۉ‬ඹLj৽ࣷ٪ሞࡗଉ‫ۉڦ‬ᇸሯ ำăᆯᇀPSRᆶ၌Lj‫ۉ‬ᇸฉ‫ڦ‬ሯำ᳘ࣷࢇ‫ڟ‬ఇె๼෇ዐժ ೦࣋ຕጴ๼‫؜‬ೕ೷Ljස཮1໯๖ă Page 156 MS-1779 ཮1. ‫ۉ‬ඹᇑႠీ(ፑ)ࢅᆶ၌‫ۉ‬ඹႠీ(ᆸ) ጨᇸ ᆌᆩԴऻAN-501ǖ੥০փඓۨ‫ࢅ܈‬ADCဣཥႠీLjADI ࠅິă ᆌᆩԴऻAN-756ǖ֑ᄣဣཥᅜत้ዓ၎࿋ሯำࢅ۶‫ڦۯ‬ᆖ ၚLjADIࠅິă One Technology Way t P.O. 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T09508Bsc-0-10/10(0) Page 157 www.analog.com/cn ©2010 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-1944 ཚࡗण‫ۙࡼࠀࢅׯ‬বᆌ‫גܔ‬ำย ऺ཈቟! ፕኁǖRob ReederLjADIࠅິᆌᆩ߾‫ײ‬฾ ాඹ༵ᄲ ण‫ׯ‬๕‫ܠ‬ཚ‫ڢ‬ഗॲ‫ڦ‬৊օ༹၄ሞᅅଐॳ康ࢅ߾ᄽᆌᆩዐ‫ڦ‬ Սၻ๕Ă‫גࡼࠀگ‬ำဣཥਏᆶ߸‫ࡼࠀڦگ‬Ă؅٫ᇑ‫ׯ‬Ԩă ሞ1990౎‫پ‬ራ೺Lj؅٫ᇑ၄‫پ‬ԴऻԨ‫ۉ‬సথৎ‫ڦ‬ ĐՍၻ๕đ‫(ࣆۉ‬ᆶ้ᄺ‫ྺ׬‬ĐԝԈ‫ࣆۉ‬đ)࠽ ྺ๑ᆩăُࢫLjփ‫ܾ؜‬ๆ౎Lj੨‫ٷڀ‬ၭ‫ڦ‬๮ऐ ᅙঢ়੗ᅜ๭݀ᆰॲࢅ࿔ጴၩတĂಆቷĂֱკࠣ೑ĂᇨሀLj ‫ړ‬඗࣏ీߴ๘হฉඪࢆ‫ڦݛں‬ට‫ࣆۉٶ‬ăᇑُૌຼLjሞᅅ ଐଶᇘLjራ೺໯࿍‫ڦ‬ĐՍၻ๕đ‫ג‬ำဣཥ๟ླྀ‫כ‬๕‫ڦ‬Lj൐ ࠀࡼডߛĂ‫ׯ‬Ԩӆࡍă႞ሏ‫ڦ‬๟Lj‫ג‬ำဣཥৎ౎ઠᄺ‫ڥ‬ᅮ ᇀႊೌण‫ۙࡼࠀࢅׯ‬ኝरຍ‫཭ڦ‬೦ă ኄၵरຍ཭೦٣ิକ߸ՍၻĂ߸ߛၳ‫גڦ‬ำဣཥLjਏᆶ߸ ॅ‫ׯڦ‬ၟႠీࢅ߸‫ీࠀڦܠ‬ă߸ߛ‫ۯڦ‬ༀ‫ྷݔ‬Ă߸‫ࠀڦگ‬ ࡼᅜत߸৆ٙ‫ڦ‬ဣཥपIC༵ࠃକߛዊଉ‫཮ڦ‬ၟLj੗߸ࡻ‫ں‬ ৊ႜኑ܏ă࿄ઠ‫גڦ‬ำဣཥ੗ీ๟๮‫׼‬๕‫ڦ‬Ljժ‫ྺׯ‬ᅅ฾ ‫߲ܾڼڦ‬Đདኑഗđă ‫ג‬ำ႑ࡽ૾ ཮1၂๖କᅃ߲‫ג‬ำဣཥ႑ࡽ૾‫ڦ‬०ࣅ઀཮ă໯ᆶ‫ג‬ำဣ ཥ‫ۼ‬ሞ၎‫ܔ‬ড‫ۉ׊‬મ‫ڦ‬఍‫܋‬๑ᆩ࣑ీഗLj‫ۉ‬મ‫܈׊‬ᅃӯྺ ଇ௝ăُ‫ۉ‬મ዁ณԈࡤ8߲——ፌ‫ܠ‬੗‫ٳ‬256߲——ྲ႙ཞ ዡ‫ۉ‬મLj๟ဣཥዐፌӆࡍ‫ڦ‬ևॲኮᅃăሞबࢭ໯ᆶဣཥ ዐLj࣑ీഗएᇮ‫ۼ‬኱থൻ‫ۉۯ‬મă‫ۉ‬મ‫ۉ‬ඹ‫ీ࣑ྺׯ‬ഗए ᇮ‫޶ڦ‬ሜLjᆅഐ࢔‫ڦٷ‬႑ࡽປ३ă໲Ⴔᄲᅃ߲ߛ‫܈‬ଳ௺‫ڦ‬ থ๭ഗઠԍ‫ۯ׼‬ༀ‫ํࢅྷݔ‬၄ፌॅဣཥႠీă ཮1. ‫ۆ‬႙‫ג‬ำ႑ࡽ૾ Page 158 MS-1944 ሞ݀พ‫(܋‬Txୟ০)Ljհຐ‫ׯ‬ႚഗਦۨኍ‫ܔ‬໯Ⴔঋ‫ܸۅ‬ยۨ ‫ڦ‬ஞ؋Ⴞଚჽ‫׿‬ఇ๕ă඗ࢫLjհຐ‫ׯ‬ႚഗ‫ڦ‬๼‫؜‬ᆯߛუ݀ พ‫ٷݣ‬ഗ‫ٷݣ‬Ljᅜൻ‫ీ࣑ۯ‬ഗăኄၵ‫ٷݣ‬ഗᆯຕఇገ࣑ഗ (DAC)ईኁߛუFETਸ࠲ንଚ੦዆Ljॽ݀พஞ؋ኝႚLjᅜ Ս߸ࡻ‫ں‬ၠ࣑ీഗएᇮ‫د‬๼ీଉăሞথ๭‫܋‬Lj݀พ/থ๭ (T/R)ਸ࠲(ཚ‫׉‬๟ᅃ߲ܾट࠶‫)ൃۉ‬ፆ‫ߛڔ‬უTxஞ؋ăగၵ ንଚࣷ๑ᆩߛუ(HV)‫ܠ‬ୟްᆩഗ/঴ްᆩഗઠই‫݀گ‬พࢅ থ๭ᆘॲްሗ‫܈‬Lj‫ڍ‬ኄᄣࣷဎึଳऄႠă ้क़ሺᅮ੦዆(TGC)থ๭ୟ০ᆯ‫گ‬ሯำ‫ٷݣ‬ഗ(LNA)Ă੗Վ ሺᅮ‫ٷݣ‬ഗ(VGA)ࢅఇຕገ࣑ഗ(ADC)ࠓ‫ׯ‬ăVGAཚ‫༵׉‬ ࠃ၍ႠdBሺᅮ੦዆Ljᇑ‫ג‬ำ႑ࡽ‫ݒ‬พປ३೅ದăሞ֡ፕට ᇵ‫ڦ‬੦዆ူLjTGCୟ০ᆩᇀሞ෢௮ࡗ‫ײ‬ዐԍ‫཮׼‬ၟ‫ڦ‬਩ሌ Ⴀă‫گ‬ሯำLNA‫ܔ‬ᇀ৑੗ీই‫گ‬ໜࢫ‫ڦ‬VGAሯำ‫ݴ‬ದटྺ ࠲॰ăሞႴᄲ๼෇ፆੇ೅ದᆌᆩዐLjᆶᇸፆੇ੦዆๑ሯำ Ⴀీፌॅă ཚࡗVGAॽ੻‫ۯ‬ༀ‫ڦྷݔ‬๼෇႑ࡽუ໫Ljᅜ஢ፁADC‫ڦ‬๼ ෇‫ྷݔ‬ᄲ൱ăLNA‫ڦ‬ችࢇ‫ڟ‬๼෇‫ڦ܋‬ሯำ၌዆କ੗‫ݴ‬Ր‫ڦ‬ ፌၭ๼෇႑ࡽLjܸችࢇ‫ڟ‬๼‫ڦ܋؜‬ሯำዷᄲൽਦᇀVGALj ໲၌዆କ༬ۨሺᅮ੦዆‫ۉ‬უူ੗ᅜ‫ت‬૙‫ڦ‬ፌ‫ٷ‬ຨ้‫ۯ‬ༀ‫ݔ‬ ྷă޿၌዆๟ߵ਍ଉࣅԨ‫ڹ‬ሯำยۨ‫ڦ‬LjܸଉࣅԨ‫ڹ‬ሯำ ᆯADC‫ݴڦ‬Ր୲ਦۨăራ೺‫גڦ‬ำဣཥएᇀ10࿋ADCLj‫ڍ‬ ‫ܠ‬ຕ၄‫پ‬ဣཥ๑ᆩ12ई14࿋ADCă ੇं۠୳հഗ(AAF)၌዆କ႑ࡽ‫੻ټ‬Ljཞ้ᄺᅞ዆କADC ኮമTGCୟ০ዐ‫ڦ‬࿮ᆩሯำă ᅅᆩ‫ג‬ำ‫ڦ‬հຐ‫ׯ‬ႚ๟ኸ႑ࡽ‫ڦ‬၎࿋‫ܔ‬ጚࢅ൱ࢅLjኄၵ႑ ࡽᆯࠌཞ‫ڦ‬႑ࡽᇸิ‫ׯ‬Lj‫ڍ‬๟ᆯ‫ܠ‬एᇮ‫ג‬ำ࣑ీഗሞփཞ ‫้ڦ‬क़‫ۅ‬থ๭ăሞ૶Ⴤհ‫ܠ‬೵ુ(CWD)ୟ০ዐLj‫ܔ‬থ๭ഗ ཚ‫ڢ‬৊ႜᅎ၎ࢅ൱ࢅLjᅜ༵ൽ၎߅႑တăհຐႚ‫ׯ‬ᆶଇ߲ ࠀీǖ ᅃ߲๟ྺ࣑ీഗۨၠLjᅜ༵ߛഄሺᅮLjଷᅃ߲๟ۨ ᅭට༹ా‫ڦ‬ঋ‫ۅ‬Ljᆯ޿ঋ‫࣮ڟڥۅ‬հ‫ڦ‬࿋ዃă հຐ‫ׯ‬ႚ੗ᅜ֑ᆩଇዖփཞ‫ํ݆ݛڦ‬၄ǖఇెհຐ‫ׯ‬ႚ (ABF)ࢅຕጴհຐ‫ׯ‬ႚ(DBF)ăABFࢅDBFဣཥኮक़‫ڦ‬ዷᄲ ൶՚ሞᇀྜ‫ׯ‬հຐ‫ׯ‬ႚ‫ݛڦ‬๕Ǘኄଇዖ‫ۼ݆ݛ‬Ⴔᄲଆࡻ‫ڦ‬ ཚ‫ڢ‬क़೅ದăABF๑ᆩఇెჽ‫׿‬၍ࢅ൱ࢅLjৈႴᄲᅃ߲৛ ௢ߛ‫ݴ‬Ր୲Ăߛ໏ADCăDBFဣཥ๟ణമፌ๴࣌ᆓ‫ݛڦ‬ ݆Lj໲๑ᆩĐ࢔‫ܠ‬đߛ໏Ăߛ‫ݴ‬Ր୲ADCăDBFဣཥዐ‫ڦ‬႑ ࡽᆌ৑੗ీ੍ৎ࣑ీഗएᇮ৊ႜ႑ࡽ֑ᄣLj඗ࢫॽ႑ࡽჽ ‫׿‬ժ‫ܔ‬ഄ৊ႜຕጴ൱ࢅăDBFॐࠓ‫ڦ‬०ࣅ઀཮ස཮2໯๖ă ཮2. ຕጴհຐ‫ׯ‬ႚ(DBF)ဣཥ०ࣅ઀཮ ण‫୼֧ߪݴࢅׯ‬ ‫ג‬ำဣཥਏᆶසُ‫ڦܠ‬ཚ‫ࢅڢ‬ᇮഗॲLj໚඗रຍᅙঢ়ᆶକ ट‫ڦٷ‬৊օLjධຌᇀణമፌްሗ‫ڦ‬ဣཥă৽ၟഄ໱ްሗဣ ཥఫᄣLjᆶ࢔‫݆ݛܠ‬੗ᅜ৊ႜဣཥ‫ߪݴ‬ăԨবॽ࣮ࠥᅃၵ ‫ג‬ำ‫୼֧ߪݴ‬ă ራ೺‫גڦ‬ำဣཥ֑ᆩఇెհຐ‫ׯ‬ႚरຍLjႴᄲ๑ᆩ‫ٷ‬ଉ‫ڦ‬ ఇెᇮഗॲăTGCࢅRx/Txୟ০ฉ‫ڦ‬ຕጴ‫ت‬૙ཚࡗۨ዆ ASICઠํ၄ăሞ‫ܠ‬ཚ‫ڢ‬VGAĂADCࢅDAC࠽‫ݘ‬๑ᆩኮമLj ኄዖ‫׉࢔݆ݛ‬९ăASICਏᆶ‫ٷ‬ଉቆटLjഄຕጴरຍ࿄ኍ‫ܔ‬ ఇెࠀీ(Բස‫ٷݣ‬ഗࢅADC)ᆫࣅă๑ᆩASIC‫ڦ‬ဣཥ࢔‫ٷ‬ ‫܈ײ‬ฉՂႷᅈડᇀࠃᆌฆׂ೗‫ڦ‬੗੍Ⴀă ASICĂFPGAࢅDBFरຍᇑ‫ݴ‬૬๕IC ADCࢅVGA঳ࢇ๑ᆩ ๟ํ၄ՍၻႠ‫ڼڦ‬ᅃօLj‫ڍ‬๑ᆩ‫ܠ‬ཚ‫຺(ڢ‬ཚ‫ࢅڢ‬ӗཚ‫)ڢ‬ TGCĂADCᅜतDACඟ؅٫ᇑࠀࡼ‫ူޗٷڟڥ‬ইăኄၵ‫ܠ‬ ཚ‫ڢ‬ᇮഗॲ੗ඟยऺටᇵٗຕጴ‫ۉ‬ୟዐॽ௺ߌఇె‫ۉ‬ୟ‫ݴ‬ ߪ‫܀ڟ‬૬‫ۉ‬ୟӱฉăኄᄣ੗ᅜ໫३ဣཥ؅٫Ljժ൐ᆶ૧ᇀ ሞ‫߲ܠ‬ೝ໼ฉዘް૧ᆩ‫ۉ‬ጱ‫ۉ‬ୟă Page 159 ඗ܸLjᅜߛᆅগຕࢻ૶຺ཚ‫ࢅڢ‬ӗཚ‫ڢ‬VGAᇑADCࣷඟ PCBጽ၍ୟᆯՎ‫ڥ‬ઓవLjగၵ൧઄ူࣷ೨๑ยऺටᇵ๑ᆩ ཚ‫ڢ‬ຕডณ‫ڦ‬ഗॲLjԲසٗӗཚ‫ڢ‬ADCገܸ๑ᆩ຺ཚ‫ڢ‬ ADCăॽ‫ٷ‬ଉ‫ܠ‬ཚ‫ڢ‬ᇮഗॲ‫ݣ‬ዃሞၭ௬ओా࣏ࣷ‫ڞ‬ዂොඤ ࿚༶ă৊ႜፌॅ‫ߪݴ‬੗ీࣷՎ‫࢔ڥ‬ᆶ཈቟Ⴀă ྜኝTGCୟ০֑ᆩ‫ܠ‬ཚ‫ڢ‬Ă‫ܠ‬ഗॲ‫ڦ‬৊ᅃօण‫ׯ‬๑ยऺՎ ‫े߸ڥ‬ඹᅟLjᅺྺPCB؅٫ࢅࠀࡼᄲ൱‫ڥ‬ᅜ৊ᅃօই‫گ‬ă ໜጣ߸ߛपण‫ݛׯ‬ӄ‫ݘ࠽ڦ‬๑ᆩLj‫ׯ‬ԨĂ؅٫ࢅࠀࡼ৊ᅃ օ३ၭLjՍၻ๕ဣཥ‫׾ۉڦ‬๱ం߸‫׊‬ă ኄૌॐࠓ੗ᅜ֑ᆩ‫ג‬ำጱဣཥࠓॺ(ԲසAD9271)Lj໲Ԉࡤ LNAĂVGAĂ੗Պ‫୳۠ंੇײ‬հഗĂ12࿋ADCࢅӗ߲TGC ཚ‫زڦڢ‬ႜLVDS๼‫؜‬ă ፌዕ‫גڦ‬ำ঴ਦ‫ݛ‬ӄ੗ሞ༑ཀྵ૛ण‫ۉڦܠ߸ׯ‬ጱࠀీLjժ ৑੗ీ੍ৎ࣑ీഗएᇮăऻዿLj༑ཀྵएᇮ‫ۉڦ‬મࣷ၌዆‫ۯ‬ ༀ‫ྷݔ‬Lj൐‫ׯ‬Ԩߛӆăසࡕമ‫ۉ܋‬ጱᇮॲ߸੍ৎ༑ཀྵLjఫ ஺‫ۉ‬મ໦ࡼ‫ڦ‬ᆖၚ৽ࣷ߸ၭLjই‫گ‬LNAᄲ൱ժ৊ܸই‫ࠀگ‬ MS-1944 ࡼăᅃዖ‫݆ݛ‬๟ॽLNAᅎ዁༑ཀྵ‫ۉ‬ጱഗॲዐăଷᅃዖ‫݆ݛ‬ ๟‫ߪݴ‬༑ཀྵࢅPCB‫ۉ‬ጱഗॲ‫ڦ‬VGA੦዆ăፌዕLjဣཥ؅٫ ߸ၭLjፁࠕጎ৊‫ג‬ၭ႙‫ހ‬ጎዐăኄᄣፔ‫ڦ‬փፁኮ‫ت‬๟ยऺ ටᇵᆼ࣮‫ڟ‬କᇱ‫ۅ‬LjႴᄲۨ዆༑ཀྵă࣑ჾኮLj༑ཀྵ/‫ۉ‬ጱഗ ॲۨ዆ॽ๑၄‫پ‬ยऺටᇵ௬ଣᅜമ๑ᆩຕጴASIC‫ڦ‬ยऺට ᇵ໯௬ଣ‫ڦ‬ཞᄣ࿚༶ă ๑ᆩ၄‫پ‬ICۙব‫ۉ‬ᇸ/Ⴀీ ‫ג‬ำࡥ߃କ‫࠽ྷݔ‬ગ‫߳ڦ‬ዖᆌᆩLjᅺُဣཥยऺටᇵ໯Ⴔ ᄲፔ‫ڦ‬඄࢚ൽปᄺ߸‫ܠ‬ă௅ᅃዖኑ܏‫ׯ‬ၟఇ๕‫ۼ‬ᆶփፁኮ ‫ت‬Ljཚ‫׉‬๟Ⴀీᇑࠀࡼ‫ڦ‬඄࢚ă၄ሞLjኄၵవ༶ᆯ੗ඟย ऺටᇵሞICాևۙবႠీᇑࠀࡼԲ‫ڦ‬ᇮഗॲ໯঴ਦLjܸٗ ໫‫܌‬କׂ೗ฉ๨้क़ăཞᄣLj࿢்ထྭ‫ג‬ำጱဣཥ੗ᅜሞ ICాև༵ࠃᅃဣଚ჋ၜLjᅜՍۙব๼෇‫ྷݔ‬Ăೋዃ‫ୁۉ‬Ă ֑ᄣ໏୲ࢅሺᅮăߵ਍໯ᄲ൱‫ׯڦ‬ၟఇ๕ई༑ኍૌ႙Ljဣ ཥยऺටᇵबࢭ੗ᅜํ้‫ܔ‬ยऺ‫ڦ‬๢ᆩႠ৊ႜဣཥۙবLj ժᅜፌ‫ࠃ༵ࡼࠀڦگ‬ፌߛ‫ڦ‬Ⴀీă ཮3. ‫ג‬ำጱဣཥದዃ߾ਏ཮ႚᆩࢽহ௬ Page 160 MS-1944 ยऺටᇵ࣏੗ኍ‫ܔ‬ኄၵഗॲ๑ᆩದዃยऺ߾ਏLjܸٗ੗‫ܔ‬ ߳ዖ‫ڦ܀ڇ‬༑ཀྵࢅ཮ၟఇ๕Ⴀీ৊ႜೠࠚLjස཮3໯๖ă ဣཥยऺටᇵ੗ᅜ੺໏ፔ‫؜‬ኄၵ඄࢚ൽปLjժ኱থሞICप ՚ۙবဣཥยऺăසُLjՍ࿮Ⴔ߸߀ᆘॲժኴႜްሗ‫཮ڦ‬ ၟ‫ت‬૙֪๬ઠᄓኤኄၵ඄࢚ൽปă ُྔLjದዃ߾ਏ࣏੗ॽፌᆫದዃ֖ຕገ࣑ྺຕጴยዃLjժ ิ‫ׯ‬ᅃ߲࿔ॲLjॽ޿ഗॲ‫ڦ‬ፌዕದዃް዆‫ڟ‬ဣཥዐă ঳ஃ ሞᅅଐࢅ߾ᄽᆌᆩዐLj‫ג‬ำဣཥኟሞփ܏ၠՍၻႠࢅ‫ࠀگ‬ ࡼ݀ቛă໯ᆶኄૌဣཥ‫ۼ‬ਏᆶ၎ຼ‫ڦ‬ᄲ൱Ljժሞৎ౎ઠํ ၄କण‫ۙࡼࠀࢅׯ‬ব‫ظ‬ႎă ण‫ׯ‬๕‫ܠ‬ཚ‫ڢ‬ഗॲ‫ڦ‬৊օ༹၄ሞ৊ᅃօই‫گ‬କࠀࡼĂ؅٫ ࢅ‫ׯ‬Ԩă࿮ᅑLjፌႎ‫ظڦ‬ႎׂ೗ᇑದዃ߾ਏ੗ඟဣཥยऺ ටᇵ߸ൟ຿ăኄՍྺߵ਍ਏ༹‫ׯ‬ၟఇ๕ਸ݀੗ದዃࢅ੗৊ ႜႠీᇑࠀࡼۙব‫ܠڦ‬ᄣࣅ‫ג‬ำׂ೗༵ࠃକ཰০ă ‫ܠٷ‬ຕ‫ג‬ำยԢ዆ሰฆ‫ڦ‬ኪ๎ׂ඄(IP)‫ۼ‬णዐሞ༑ཀྵࢅհ ຐ‫ׯ‬ႚरຍฉă‫ܠ‬ཚ‫ڢ‬ण‫׉ڦׯ‬ᆩഗॲԈઔ຺ཚ‫ࢅڢ‬ӗཚ ‫ڢ‬ADCLj໲்੗ᅜፌ‫܈ײٷ‬३ณߛ‫ׯ‬Ԩఇెᇮഗॲ‫ڦ‬๑ ᆩLjժই‫ݯ้ݯگ‬૰‫ڦ‬TGCཚ‫ڢ‬ၯጚᄲ൱ă‫ג‬ำဣཥ‫ڦ‬ഄ ໱և‫࣏ݴ‬੗৊ᅃօण‫ׯ‬ă‫ڦܠ߸ܔ‬႑ࡽ૾և‫ݴ‬৊ႜण‫ॽׯ‬ ৊ᅃօই‫ࡼࠀگ‬Ă؅٫ࢅ‫ׯ‬ԨLjཞ้༵ื‫ت‬૙ీ૰ă ֖੊࿔၅ 1. ReederLjRobࢅCorey PetersenLjĐAD9271——Սၻ๕‫ג‬ ำยԢ‫߫ڦ‬ంႠ঴ਦ‫ݛ‬ӄđLjఇె‫ࣆܔ‬41-07ă 2. BrunnerLjEberhardLjĐᆖၚ‫ג‬ำဣཥമ‫܋‬ഗॲ჋ስ‫੊ڦ‬ ଉᅺ໎đLjఇె‫ࣆܔ‬36Lj‫ڼ‬ᅃև‫(ݴ‬2002)ă 3. KissloLjJoseph A.ࢅDavid B. AdamsLj‫ܠ‬೵ુ‫ג‬ำ႐‫཮ۯ‬ ᇱ૙ࢅ‫ܠ‬೵ુॠֱ#1LjLondonǖ Ciba-geigyLj1987ă 4. KuijpersLjF. A.LjĐ࿄ઠᅅଐ‫ׯ‬ၟᆌᆩዐरຍ‫ڦ‬ፕᆩđLj MedicamundiLj1995౎‫ڼ‬40ਝ‫ڼ‬3೺LjPhilips Medical Systemsă 5. MeireLjHylton B.ࢅPat FarrantLj ए‫גإ‬ำLjWileyLj1995 ౎Lj‫ ڼ‬1-66ᄻ. 6. ReederLjRobLjĐൟ຿ྜ‫גׯ‬ำဣཥยऺđLjEETimesIndiaLj2009౎2ሆă 7. ReederLjRobLjĐ૧ᆩႎഗॲํ၄ଳऄ‫גڦ‬ำဣཥย ऺđLjPlanet AnalogLj2009౎1ሆă 8. OdomLjBillLjĐ‫ג‬ำఇె‫ۉ‬ጱरຍ෇ோđLjఇె‫ࣆܔ‬ 33-5ă 9. ErricoLjPaulࢅAllen HillLjĐ‫ג‬ำဣཥߛ໏႑ࡽ‫ت‬૙ᇮॲ ‫ڦ‬჋ስđLjఇె‫ࣆܔ‬ă ጨᇸ ᇡइ‫ڥ‬ᆶ࠲‫ג‬ำࢅഄ໱ᅅଐॳ康ᆌᆩ‫ڦ‬႑တLj൩‫ݡ‬࿚ǖ www.analog.comDO/healthcare Ԩ࿔༵‫ׂڦڟ‬೗ ׂ೗ ௮ຎ AD9271 8ཚ‫ڢ‬LNA/VGA/AAF/ADCᇑ঍֮‫ۅ‬ਸ࠲ One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. T09494Bsc-0-10/10 Page 161 www.analog.com/cn ©2010 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ -3  CareFusionᇑADIኮक़‫ڦ‬༑༪ǖ ᆫࣅEEG‫ٷݣ‬ഗ‫ڦ‬Ⴀీժই‫گ‬ ࠀࡼ ፕኁǖBill KolasaLjCareFusionǗHarry HoltࢅMatt DuffLjADI ०঻ ሞࡗඁ‫ڦ‬20౎क़LjCareFusion NicoletሞEEGኑ܏ဣཥଶ ᇘ‫ڦ‬ਸ݀ฉᅃ኱ӳᄇጣံൻኁ‫ڦ‬ঙ෥ăస‫(཮ۉ‬EEG)॔ ֪੗ᆩᇀหঢ়ဣཥ‫ݴ‬ဆLjᅜ৊ႜລ௥ჺ৯Ăసࠀీ൶ۨ ࿋(Brain Mapping)ࢅICUթ࣒‫ٷ‬సऄ‫ڪ֪॔ڦۯ‬ăໜጣ సևჺ৯ࢅEEGኑ܏‫׼ڦ‬Ⴤ཭೦Ljට்೺ྭEEG֪॔ጎ ዃᄺీࠕሞ‫د‬ཥଣ‫ৣ࣍ض‬ᅜྔ‫ڦ‬ႎ࣍ৣዐሏፕLjܸኄၵ ႎ‫ৣ࣍ڦ‬ཞ้ᄺᆅ݀ႎ‫ڦ‬ยऺ཈቟LjԨ࿔ॽ༑༪ഄዐ‫ڦ‬ ᅃၵ཈቟ă Harry HoltDŽADIࠅິሏ໙‫ٷݣ‬ഗᆌᆩ߾‫ײ‬฾Džǖ ፌৎLjBillĂMattࢅ࿢৽EEGമ‫܋‬ยऺ‫ڼڦ‬ᅃपĊĊᅏ՗ ‫ٷݣ‬ഗ‫߳ڦ‬ዖ૧࡞඄࢚৊ႜକᅃၵ༪ஃă࿢்ਥ‫ॽڥ‬༪ ஃాඹᇑഄ໲ยऺ߾‫ײ‬฾‫ݴ‬ၛ੗ీࣷ๟ᆶᅮ‫ڦ‬ă Matt DuffDŽADIࠅິᅏ՗‫ٷݣ‬ഗᆌᆩ߾‫ײ‬฾Džǖ ‫ܔ‬LjBillֱੂକ࿢்‫ٷڦ‬ଉᅏ՗‫ٷݣ‬ഗLj‫ڍ‬ፌዕ঳ࡕ๟ ጲႜ‫ॺٲ‬ᅏ՗‫ٷݣ‬ഗăኄሞጀዘႠీ‫ڦ‬ᆌᆩዐ๟࢔ณ९ ‫ڦ‬LjᅺُLj࿢்ၙ‫׃‬௽ኄᅃ੊୯ࡗ‫ײ‬ăBillLjేీ‫ٷ‬ዂ ຫ௽ᅃူే‫ڦ‬ยऺణՔ஘Ǜ Bill KolasaDŽCareFusion๯ဝ‫ۉ‬ഘ߾‫ײ‬฾Džǖ ࿢்ణമᆶᅃ੼एᇀᅏ՗‫ٷݣ‬ഗ‫ڦ‬ยऺLj໲՗၄‫؜‬෥Lj ‫ڍ‬࿢்ထྭᆫࣅగၵႠీ༬ኙLjཞ้ই‫گ‬ഄࠀࡼă සཞႹ‫ܠ‬EEGࢅECGยԢยऺኁ໯ኪLj‫ۉ‬टዐ‫ڦ‬ӷ‫׾ۉ‬ ‫ۉ‬࿋ֶᅴ੗ీࣷᆅഐড‫ڦٷ‬኱ୁ฿ۙLj֪ଉဣཥՂႷీ ࠕඹඨُ฿ۙă࿢்‫ڦ‬၄ᆶဣཥሞยऺฉ੗ᅜ‫ت‬૙ߛ‫ٳ‬ ±900 mV‫ڦ‬฿ۙăྺକᆌ޲ሞ၄‫ڦׇ‬փཞ‫ۉ‬टૌ႙ᅜत ࣍ৣཉॲLj࿢்ထྭॽඹֶ༵ߛ‫ڟ‬±1300 mVă ᇑُཞ้Lj࿢்ኟሞ੊୯‫ۉࠃ׾ۉ‬ยऺ‫ڦ‬੗ీႠLjᅺُႴ ᄲ‫ޗٷ‬ই‫گ‬໯ᆶഗॲ‫ࡼࠀڦ‬LjഄዐᄺԈઔᅏ՗‫ٷݣ‬ഗă ణമ‫ࡼࠀڦ‬๟௅ཚ‫ڢ‬28 mWLj࿢்ထྭย݆ॽഄই‫ڟگ‬10 mWई߸‫گ‬ăྺକই‫ࡼࠀگ‬Lj࿢்ሎႹሯำ༵ߛă Mattǖሞ࿢்‫ڦ‬ECGࢅEEGਜ਼ࢽዐLjኄዖ඄࢚ൽป‫׉ݥ‬ ‫׉‬९ă‫ܔ‬ᇀECGࢅEEGമ‫܋‬ยऺLjሯำĂ฿ۙ‫ت‬૙ీ૰ ᇑࠀࡼኮक़٪ሞࠦᆶ‫ڦ‬ൽป࠲ဣă ‫ٷ‬և‫ڦݴ‬ᅏ՗‫ٷݣ‬ഗਏᆶᅺྺ३݆ഗप‫ڦ‬ሯำܸ‫ڞ‬ዂ‫ڦ‬ ‫ٷ‬ଉሯำ‫ݴׯ‬ăሞߛሺᅮᆌᆩዐLjഄᆖၚփ‫ٷ‬Ljᅺྺُ ሯำࣷሞ๼‫܋؜‬ԍ‫࢛ۨ׼‬Ljܸᇑሺᅮ࿮࠲ăᅺُLj‫ړ‬ች ࢇ‫ڟ‬๼෇‫้܋‬Ljሯำ၎‫ړ‬ၭă Amplifier Under Discussion Electrode Electrode Input Protection Input Protection + In-Amp – Filtering ཮1. EEG႑ࡽ૾ ADC Digital Processing Page 162 -3 ¬ փ႞‫ڦ‬๟LjሞEEGࢅECGᆌᆩዐLjሺᅮࣷԥઠጲᇀ‫ۉ‬ट‫ڦ‬ ড‫ٷ‬฿ۙ໯၌዆ăසࡕేထྭ๑ᆩ‫ٷ‬ሺᅮᅜइ‫ڥ‬ଆࡻ‫ڦ‬ ሯำႠీLjఫ஺ՂႷ֑ᆩ‫ۉٷ‬ᇸ֍ీ‫ت‬૙ড‫ڦٷ‬฿ۙă Billǖኄ৽๟࿢்ሞ֑ᆩAD8221ᅏ՗‫ٷݣ‬ഗ‫ံڦ‬മยऺ ‫ړ‬ዐ֑ൽ‫ٯڦ‬แă๼‫؜‬ሯำྺ75 nV/√HzLj๼෇ሯำྺ 8 nV/√Hzăྺକই‫ٷگ‬ଉ๼‫؜‬ሯำሞችࢇ‫ڟ‬๼෇‫้܋‬໯ ሰ‫ڦׯ‬ᆖၚLj࿢்ॽAD8221ยۨ዁14.8‫ڦ‬ሺᅮDŽሯำ ऺ໙ၘ൧֖९‫ڪ‬๕1ࢅ2)ă޿ሺᅮᄺࣷॽࠌఇᅞ዆༵ߛ 23 dBLjᅺྺࠌఇሺᅮྺ1DŽ֖९‫ڪ‬๕3Džă‫ڍ‬๟Ljྺକ ᅜُሺᅮઠ‫ت‬૙900 mV‫ۉ‬ट฿ۙLj࿢்ՂႷ๑ᆩ±15.5 V ኱ୁ‫ۉ‬ᇸDŽ֖९‫ڪ‬๕4Džă࿢்‫ڦ‬EEG‫ٷݣ‬ഗᆯ64߲ኄ ዖཚ‫ڢ‬ፇ‫ׯ‬Lj‫ܔ‬ᇀ‫ۉࠃ׾ۉ‬ᆌᆩઠຫLjࠀࡼ໿‫ٷ‬ă ࿢ᅃ኱ሞ‫ځڪ‬ADIࠅິླྀ‫گ؜‬๼‫؜‬ሯำ‫ڦ‬ᅏ՗‫ٷݣ‬ഗă ๊஺้ࢪీํ၄఼Ǜ Mattǖᅏ՗‫ٷݣ‬ഗ‫ڦ‬๼‫؜‬ሯำዷᄲᆯ6߲‫ۉ‬ፆਦۨDŽ཮2 ዐ‫ڦ‬R1዁R6DžLj࿢்੗ᅜই‫گ‬ኄၵ‫ۉ‬ፆ‫ڦ‬ኵLj‫ڍ‬ኄᄣ ࣷᆶब߲ඍ‫ۅ‬ǖ1) ᅏ՗‫ٷݣ‬ഗ၄ሞՂႷ๑ᆩ߸‫ୁۉܠ‬ ൻ‫ۯ‬ኄၵ‫ۉ‬ፆăྺକሞኄዖডߛൻ‫ۯ‬ཉॲူԍ‫׼‬ଆࡻ‫ڦ‬ ၍Ⴀ‫܈‬Lj࿢்ՂႷࠓॺ߸ഽ‫ٷݣڦ‬ഗLj໲ࣷၩࡼ߸‫ۉܠ‬ ୁăኄᄣ౞ॽ௬ଣມዘփ૧‫ৣتڦ‬ǖᅃ‫ݛ‬௬ՂႷ༵ࠃ‫ܮ‬ ྔ‫ୁୁۉڦ‬ঢ়ኄၵၭኵ‫ۉ‬ፆLjଷᅃ‫ݛ‬௬ՂႷ༵ࠃ߸‫ۉܠ‬ ୁᅜํ၄߸ഽ‫ٷݣڦ‬ഗă ཮2. Քጚᅏ՗‫ٷݣ‬ഗದዃ Billǖ‫ܔ‬ᇀ࿢‫ࡼࠀڦ‬࿚༶Ljኄຼࢭփ๟ࡻၩတă MattǖRgሺᅮยዃ‫ۉ‬ፆࣷՎ‫߸ڥ‬ၭLjኄሞሯำ‫ݛ‬௬๟ ॲࡻ๚Lj‫ڍ‬ሞড‫ࡗݴֶٷ‬უཉॲူLjኄ࣏փࠕࡻă໲ ࣷ๑‫ٷݣ‬ഗ๼෇‫ت܋‬૙ߛሺᅮူ‫ۉݴֶٷڦ‬უ‫ڦ‬Ⴀీ Վֶă੗ᅜཚࡗሺे‫ۉ‬ୟઠᆌ‫ܔ‬Lj‫ڍ‬ኄዖ‫ۉ‬ୟࣷሺे ๼෇ሯำă Billǖኄ‫ܔ‬࿢்੗ీփ๟ᅃ߲࿚༶Ljᅺྺ‫ۉ‬ट๼෇ฉᅙ ঢ়٪ሞԍࢺ‫ۉ‬ୟă Mattǖໜጣ३݆ഗ‫ۉ‬ୟዐ‫ۉڦ‬ፆՎၭLjएጚ‫ۉ‬უᆅগ‫ڦ‬ ๼෇ፆੇᄺࣷՎၭăኄᅪ࿆ጣLjසࡕేထྭᆩᅃ߲࣐؋ ഗൻ‫ُۯ‬ᆅগDŽኄ๟ُૌᆌᆩዐๆ‫׉ݴ‬९‫ڦ‬൧઄DžLjఫ ஺ሞణՔೕ୲‫ాྷݔ‬Ljൻ‫ٷݣۯ‬ഗՂႷਏᆶ‫ڦگ׉ݥ‬ ๼‫؜‬ፆੇă‫ޏ‬ሶLjဣཥ‫ڦ‬CMRR၎‫ܔ‬ᇀೕ୲‫ڦ‬Ⴀీࣷူ ইă၎‫ܔ‬ᇀೕ୲‫ڦ‬ড‫گ‬๼‫؜‬ፆੇႴᄲডߛࠀ୲‫ڦ‬ൻ‫ݣۯ‬ ‫ٷ‬ഗă Billǖ๟‫ڦ‬Ljሞ࿢்‫ڦ‬ႎยऺዐLj࿢்ᄲൻ‫ۯ‬ఫ߲ᆅ গLjᅺُኄࣷ๟ᅃ߲࿚༶ă࿢்ࢾକၵ้क़ლቴ࣐؋ ഗLj໲ీ༵ࠃᇑ޿ᆅগৈৈথ‫้ں‬၎ຼ‫ڦ‬CMRRႠీă ࣮‫ڟ‬ፌ‫ڦ؛‬࿚༶Lj࿢்๑ᆩAD8221Lj֑ᆩ±15.5 V‫ۉ‬ᇸ ࠃ‫ۉ‬Lj‫ۉ‬ᇸ‫ྺୁۉ‬0.9 mAă࿢்ထྭཚࡗই‫گ‬ᅏ՗‫ٷݣ‬ ഗࡼᆩ‫ۉࢅୁۉڦ‬ᇸࡆઠই‫ࡼࠀگ‬ăᇀ๟Lj࿢்ਸ๔ლ ቴࠀࡼ߸‫ڍگ‬ධ඗ీ஢ፁഄ໲Ⴀీᄲ൱‫ڦ‬ഗॲă ࿢்ֱੂ‫ڦ‬ᅃ੼ᅏ՗‫ٷݣ‬ഗ๟AD8235/AD8236Lj໲‫ࠀڦ‬ ࡼ‫گ׉ݥ‬Lj؅٫࢔ၭLj‫ڍ‬ሯำ໿ߛLjፌ‫ྺࡆۉࠃٷ‬5 VLj ࿮݆஢ፁ࿢்‫ڦ‬኱ୁ฿ۙᄲ൱ă Mattǖኄၵ๟एᇀCMOS‫ڦ‬ᅏ՗‫ٷݣ‬ഗLjࠀࡼ40 μALj‫ݥ‬ ‫׉‬๴ࠀࡼዘᇀႠీ‫ڦ‬ECG॔੦ᆌᆩ‫࣌ڦ‬ᆓLj‫ڍ‬փ໿๢ࢇ CareFusionਸ݀‫ڦ‬ኑ܏पEEGă Billǖ࿢்੊୯‫ڦ‬ଷᅃ੼ഗॲ๟AD627Lj໲‫ࡼࠀڦ‬ᄺ‫׉ݥ‬ ၭLjժ൐ኧ‫ۉ੻׼‬ᇸࡆăࡗඁ࿢்֪๬ࡗ໲‫ڦ‬ሯำLjኪ ‫ڢ‬၎‫ܔ‬ᇀࠀࡼܸჾLj໲ਏᆶଆࡻ‫ڦ‬Ⴀీă඗ܸLj໲֑ᆩ ‫ڦ‬๟SOIC‫ހ‬ጎLjሞৃཀઠຫLj؅٫ড‫ٷ‬Ljփ૧ᇀ໫ၭ‫ۉ‬ ୟӱ‫ڦ‬؅٫ă Mattǖ๟‫ڦ‬LjᄺႹ࿢்‫ڥ‬ፔ‫๊ۅ‬஺čč Billǖే்࣏ᆶႹ‫ܠ‬300 μA‫ڟ‬500 μA‫ۉ‬ᇸ‫ୁۉ‬त੻‫ۉ‬ᇸ‫ݔ‬ ྷ‫ڦ‬ഗॲLj૩සAD8226ࢅAD8227ă‫ڍ‬๟Lj໯ᆶኄၵഗ ॲ‫ۼ‬ਏᆶ዁ณ20 nA‫ڦ‬๼෇ೋዃ‫ୁۉ‬Lj‫ࡗג‬କԨยऺ‫ڦ‬ ‫گ‬ᇀ5nA‫ۨܮڦ‬ᄲ൱ă Page 163 Mattǖ‫ܔ‬ᇀAD8226ࢅAD8227‫ڪ‬ഗॲLj࿢்ထྭీࠕ֪ ଉ‫گ‬዁޶‫ۉ‬ᇸࡆ‫ۉڦ‬უă࿢்๑ᆩᅃ߲ডྺ०‫ڦڇ‬๼෇ पઠኴႜ֪ଉLjփ‫ڥ‬փဎึᅃၵ๼෇ೋዃ‫ୁۉ‬ઠ‫ڟٳ‬ణ Քă‫ܔ‬ᇀAD8221Lj࿢்ཞ้૧ᆩ๼෇ೋዃ‫ୁۉ‬ց‫ࢅ׋‬ Superbetaৗ༹࠶ઠॽೋዃ‫ୁۉ‬ই዁ຕӥpA‫ۆ‬႙ኵLjኄඟ ࿢்‫ڦ‬Ⴙ‫ܠ‬ਜ਼ࢽߌ‫ڟ‬஢ᅪLj‫ڍ‬փ૧‫ڦ‬ᅃ௬๟Lj࿢்‫ݣ‬ച କ๼෇‫ڦ܋‬ᅃၵᇧଉă BillLjਦۨే‫ڦ‬ೋዃ‫ୁۉ‬ᄲ൱‫ڦ‬ᅺ໎๟๊஺ǛEEG‫ۉ‬ट‫ڦ‬ ᇸፆੇ๟փ๟10 kΩፑᆸǛ‫ܔ‬ᇀAD8226Ljፌ‫ٷ‬๼෇ೋዃ ‫ྺୁۉ‬27 nALjᅺُ‫ۉ‬უྺ270 uVLjᇑઠጲ‫ۉ‬ट‫ٷڦ‬฿ۙ ၎ԲLjኄ०኱ྲփፁ‫ڢ‬ăేీߢ໕࿢்ਦۨೋዃ‫ୁۉ‬ᄲ ൱‫ڦ‬ᅺ໎๟๊஺஘Ǜ Billǖ5 nAᄲ൱ઠጲᇀ࿢்‫ڦ‬ᅃၵ‫ٷݣ‬ഗLjኄၵ‫ٷݣ‬ഗ ՂႷᆌ޲ߛ‫ۉڦܠڥ‬टፆੇă඗ܸLj޿‫ٷݣ‬ഗਏᆶ‫گ‬዁ DC‫ڦ‬EEG၂๖‫੻ټ‬ᄲ൱ă࿢்࠲႐‫ڦ‬๟සࢆॽ‫ۉ‬टፆੇ Վࣅᆅഐ‫ڦ‬ए၍೏ᅎၳᆌই዁ፌ‫گ‬ă ݀၄ADIࠅິᅜतഄ໱‫׍‬ฆுᆶඪࢆᅃ੼ᅏ՗‫ٷݣ‬ഗ஢ ፁ࿢்‫ڦ‬ᄲ൱ኮࢫLj࿢்ਦۨጲႜࠓॺă࿢்ኪ‫ڢ‬Ljྺ କइ‫ڥ‬100 dBᅜฉ‫ڦ‬CMRRLj३݆ഗपዐ‫ۉڦ‬ፆՂႷ೅ ದăࡗඁ࿢்๬ᄓࡗ೅ದ‫ۉ‬ፆྪஏLj‫݀ڍ‬၄ኄዖྪஏ‫ݥ‬ ‫׉‬ӆࡍăཞ้Lj࿢்ຼࢭٗઠுᆶइ‫ڥ‬೺ྭ‫ڦ‬CMRRႠ ీLj੗ీ๟ᅺྺ‫ۉ‬ୟӱ‫ڦ‬सิ‫ۉ‬ඹᆖၚă࿢்݀၄ֶ‫ۯ‬ ‫ٷݣ‬ഗAD8278ਏᆶ࿢்Ⴔᄲ‫ڦ‬Ⴀీࢅࠀࡼă Harryǖ຺‫ۉ‬ፆֶ‫ٷݣۯ‬ഗԲ቉ੂഐઠ߸ްሗă‫ܔ‬ᇀ૙ ၙ‫ڦ‬ሏ໙‫ٷݣ‬ഗLjCMRR๴‫ۉ‬ፆ೅ದ‫܈‬၌዆DŽ཮2ዐ‫ڦ‬ R3-R6Džăֶ‫ٷݣۯ‬ഗ‫ڦ‬ৎຼऺ໙ࠅ๕DŽ֖९֖੊࿔၅ 1Džසူǖ CMRR Ad 1 4t ഄዐLjAdྺֶ‫ٷݣۯ‬ഗ‫ڦ‬ሺᅮLjtྺ‫ۉ‬ፆ‫ڦ‬ඹֶăᅺُLj ‫ܔ‬ᇀ1Ԡሺᅮࢅ1%‫ۉ‬ፆLjCMRR = 50 V/Vई‫ٷ‬ሀ34 dBǗ ‫ܔ‬ᇀ0.1%‫ۉ‬ፆLjCMRR =500 V/Vई‫ٷ‬ሀ54 dBă Billǖ࿢ሞే்‫ڦ‬ยऺ๮֩ዐੂ‫ࡗڟ‬ૌຼ‫׃ڦ‬ຎDŽ֖९ ֖੊࿔၅2Džă Harryǖฉຎࠅ๕๢ᆩᇀ‫گ‬ೕ൧઄ă‫ړ‬ೕ୲ডߛ้LjCMRR ੗ీࣷ৊ᅃօူইă૩සLjසࡕᅺྺPCӱքਆईాև ႊೌքਆ‫ڦ‬ᆖၚLjଇ߲ሏ໙‫ٷݣ‬ഗ๼෇‫ڦ‬๼෇‫ۉ‬ඹֶ ྺ400 fF‫ڟ‬500 fFLj‫ۉ‬ፆྺ10 kΩLjఫ஺10 kHz้‫ڦ‬঍ୁ CMRRࣷူই6 dB‫ڟ‬7 dBăසࡕဣཥዐᆶᅃ߲20 kHzDŽई ߸ߛDžਸ࠲ۙবഗLjኄ੗ీ࢔ዘᄲă -3 ¬ न๑ਏᆶ૙ၙ‫ۉڦ‬ፆࢅೝ࢚‫ۉ‬ඹLjCMRRፌዕᄺࣷ๴ሏ ໙‫ٷݣ‬ഗ‫ڦ‬၌዆ă ֶ‫ٷݣۯ‬ഗ‫ڦ‬Ⴀీዷᄲ‫ྺݴ‬ଇૌă‫ڼ‬ᅃLj‫ۆ‬႙‫ۉ܋ߛڦ‬ ୁॠ֪ᆌᆩႴᄲሞ‫܋ߛڦྷݔୁۉ‬ਏᆶ3%‫ڟ‬5%‫ڦ‬৛‫܈‬ă ᅃ߲ਏᆶࢇ૙฿ۙࢅ1%‫ۉ‬ፆ‫ׯگڦ‬Ԩሏ໙‫ٷݣ‬ഗ੗ᅜ ‫ُׯٳ‬Ⴔ൱ă൩ऻዿLjᆶᅃၵ‫ׯگ‬Ԩሏ໙‫ٷݣ‬ഗ੗ీਏ ᆶ‫گ‬ᇀ50 dB‫ڦ‬CMRRLjኄᅃ‫׉׉ۅ‬ԥࢮ୼ۖă‫ܾڼ‬Lj߸ ৛௢‫ڦ‬ᆌᆩLjཚ‫׉‬ፕྺ‫ݴ‬૬ᅏ՗‫ٷݣ‬ഗ‫ܾڼڦ‬पLj‫ت‬ᇀ 0.1%‫ڟ‬1%‫ྷݔ‬Ljਏᆶ‫ࡗג‬70 dB‫ڟ‬80 dB‫ڦ‬CMRRăኄ੗ᅜ ૧ᆩᅃ߲ଆࡻ‫ڦ‬ሏ໙‫ٷݣ‬ഗĂ຺߲ਏᆶ‫گ‬࿒‫܈‬ဣຕ(TC) ‫ڦ‬೅ದ‫ۉ‬ፆDŽፌࡻ๟Բ૩೅ದTCDžLjᅜत৉ั‫ڦ‬PCB‫ۉ‬ ୟӱքਆઠํ၄ă੊୯‫ڟ‬ጺ‫ׯ‬Ԩᇑ‫ۉ‬ୟӱ੣क़Lj‫ڇ‬ႊೌ ֶ‫ٷݣۯ‬ഗੂഐઠटਏဌᆅ૰ă࿢ీ௽ӣBillྺ๊஺჋ስ AD8278Ǘ࿢்ྺ໱ፔକड़੮‫ڦ‬౮૰ă BillǖADIࠅິ༵ࠃକᅃဣଚሺᅮྺ1/2Ă1ई2‫ٷݣۯֶڦ‬ ഗăԲডAD8271ࢅAD8278ኮࢫLj࿢்჋ስକAD8278Lj ᅺྺ໲‫گ߸ࡼࠀڦ‬ă࿢்ॽഄሺᅮದዃྺ1/2Ljኄ๑‫ڥ‬࿢ ்ీࠕ༵ߛ๼෇࣐؋ഗ‫ڦ‬ሺᅮLjই‫ۉگ‬ᇸࡆDŽፌዕඓۨ ྺ±7.5V DCDžLjժ൐஢ፁሯำࢅ኱ୁ฿ۙඹֶᄲ൱ă࿢ ்၎႑Ljॽ৑੗ీ‫ڦܠ‬ሺᅮᅎ‫ڟۯ‬๼෇࣐؋ഗ੗ᅜ๑ሯ ำፌ‫گ‬ăDŽ࠲ᇀႎยऺ‫ڦ‬ሯำĂCMRRࢅ฿ۙඹֶLj൩ ֖९‫ڪ‬๕5዁11Dž MattǖAD8278‫ڦ‬ሺᅮ੗ᅜದዃྺ1/2ई2ă࿢்ཚ‫׉‬ණྺLj ॽ‫ٷݣ‬ഗዃᇀፌߛሺᅮप੗ᅜइ‫ڥ‬ፌॅ‫ڦ‬ሯำႠీă඗ ܸLjᆯᇀAD8278๟޿ยऺ‫ܾڼڦ‬पLjᅺُॽ‫ٷݣ‬ഗዃᇀ ড‫گ‬ሺᅮपํाฉᆶዺᇀ༵ߛยऺ‫ڦ‬ሯำႠీăኄᄣLj Bill৽੗ᅜሞ‫ڼ‬ᅃपዐᆌᆩ߸‫ܠ‬ሺᅮă‫گ‬ሯำยऺ‫ڦ‬ᅃ߲ ዘᄲ݆ሶ๟ඟ‫ڼ‬ᅃपਏᆶ৑੗ీ‫ڦܠ‬ሺᅮLjԨยऺ‫ړ‬඗ ᄺփ૩ྔă ॽ߸‫ܠ‬ሺᅮ‫ݣ‬ሞ‫ڼ‬ᅃपᄺᆶዺᇀ༵ߛᅏ՗‫ٷݣ‬ഗ‫ڦ‬ CMRRႠీă࿢்੗ᅜߵ਍ံമ࠲ᇀ‫ۉ‬ፆඹֶᇑCMRR ࠲ဣ‫ڦ‬༪ஃ৊ႜऺ໙Ljॽֶ‫ٷݣۯ‬ഗ‫ڦ‬ሺᅮٗ1/2Վྺ2 ้LjCMRRॽ༵ߛ6 dBLjኄᇑAD8278ຕ਍๮֩ᄺ๟ᅃዂ ‫ڦ‬ă඗ܸLjසࡕ၎‫ݒ‬Lj࿢்ሞ‫ڼ‬ᅃपଷྔ༵ࠃ4Ԡ‫ڦ‬ሺ ᅮLjఫ஺ֶ‫ݴ‬ሺᅮॽ༵ߛ4ԠLj‫ࠌڍ‬ఇሺᅮԍ‫׼‬փՎă ࣑ჾኮLjཚࡗ‫ڼ‬ᅃप‫ٷݣ‬Lj࿢்੗ᅜइ‫ڥ‬12 dB‫ྔܮڦ‬ CMRRLjܸॽሺᅮᆌᆩᇀֶ‫ٷݣۯ‬ഗ้Ljኻీइ‫ڥ‬6 dB ‫ߛ༵ڦ‬ăጀᅪLjኄᅃरേৈ๢ᆩᇀ‫ڼ‬ᅃपዐ‫ڦ‬ሏ໙‫ٷݣ‬ ഗਏᆶଆࡻCMRR‫ڦ‬൧઄LjᅺُLj๑ᆩߛዊଉሏ໙‫ٷݣ‬ ഗ၎‫ړ‬ዘᄲă Page 164 -3 ¬ ၎‫ܔ‬ᇀ࿢்‫ڦ‬ण‫ׯ‬ᅏ՗‫ٷݣ‬ഗLj๑ᆩG = 1/2‫ٷݣۯֶڦ‬ ഗप๟Billᆫࣅ‫ݴ‬૬ยऺ‫݆ݛڦ‬ኮᅃăཚ‫׉‬Lj‫ܔ‬ᇀ࿢்‫ڦ‬ ण‫ׯ‬ᅏ՗‫ٷݣ‬ഗLj࿢்ՂႷॽֶ‫ٷݣۯ‬ഗ‫ڦ‬ሺᅮยዃྺ G = 1ई߸ߛLjᅺྺড‫ٷݣۯֶڦگ‬ഗሺᅮࣷ၌዆ᅏ՗‫ݣ‬ ‫ٷ‬ഗ‫ت‬૙੻ࠌఇ‫ۉ‬უӦ‫ీڦޗ‬૰ă Billǖঢ়ࡗ‫ٷ‬ଉ໇໭ࢫLj࿢்჋ስAD8622ፕྺ๼෇࣐؋ ሏ໙‫ٷݣ‬ഗă޿ሏ‫ݣ‬ਏᆶ࿢்Ⴔᄲ‫ڦ‬ඇև༬Ⴀǖၭ‫ހ‬ጎ ؅٫Ă‫ࡼࠀگ‬Ă‫گ‬๼෇ೋዃ‫ୁۉ‬Ă‫گ‬0.1–10 Hzሯำࢅ੻ ‫ۉ‬ᇸࡆă࣏ᆶᅃ߲࿢்ණྺዘᄲ‫ڦ‬༬Ⴀ๟‫ڇ‬࿋ሺᅮ࿘ۨ Ⴀă໚඗࿢்‫࣐ڦ‬؋ഗᅜ10Ԡሺᅮ߾ፕLj‫ڍ‬ሞᅏ՗‫ٷݣ‬ ഗದዃዐLjࠌఇ႑ࡽੂ‫ڦڟ‬ሺᅮ๟1Ljᅺُ੗ీࣷᆅ݀ ࿘ۨႠ࿚༶DŽ֖९֖੊࿔၅3Džă Harryǖ‫ܔ‬ᇀമ‫܋‬ሏ໙‫ٷݣ‬ഗLj٪ሞຕๆዖฯ዁ຕӥዖ ჋ስLjᅺُLjइ‫ڥ‬ඓൎ‫ڦ‬฿ۙ‫ۉ‬უĂೋዃ‫ୁۉ‬Ă‫ۉ‬ᇸ‫ۉ‬ ୁ‫ڪ‬ᆶዺᇀᆫࣅยऺă‫ړ‬࿢்ยऺᅃ߲ᅏ՗‫ٷݣ‬ഗ้Lj ՂႷ৽ᅃၵᅺ໎৊ႜ‫ٷ‬ዂ‫ڦ‬඄࢚Ljྺକइ‫ڥ‬ፌࢫ10%‫ڦ‬ ႠీLjኄዖ౮૰๟ኵ‫ڦڥ‬ăAD8622๟࿢்৛௢‫ٷݣ‬ഗ ׂ೗၍ዐ‫ڦ‬ႎ‫ׯ‬ᇵLj༵ࠃኈኟ‫؜‬෥‫ڦ‬༬ႠፇࢇLjԈઔ‫ۉ‬ უሯำĂ‫گ‬1/fገችೕ୲Ă‫ۉ‬ᇸ‫ୁۉ‬Ăሺᅮೕ੻Ă฿ۙ‫ۉ‬ უĂ฿ۙ‫ۉ‬უ೏ᅎ‫ڪ‬ă ࿢ၙሢᄙBillࣄ‫ݴ‬ဣཥ‫ݛڦ‬๕ăᆶ้ࢪLj࿢்ੂ‫ڟ‬ᅃ຺߲ ཚ‫ٷݣڢ‬ഗ‫ڦ‬ෙև‫ݴ‬ԥᆩᇀࠓॺᅏ՗‫ٷݣ‬ഗLjኄ๟࢔ඹ ᅟۖ෇‫ڦ‬။ᑝăᅈ਍VosĂTCVosĂሺᅮĂ‫੻ټ‬ĂCMRR ‫ڪ‬ઠੂLj‫ڼ‬ᅃप‫ڦ‬Ⴔ൱ᇑֶ‫ٷݣۯ‬ഗप๟ྜඇփཞ‫ڦ‬ă ُྔLjྺକइ‫ڥ‬ፌࢫ10%‫ڦ‬ႠీLj‫ڼ‬ᅃप๑ᆩມཚ‫ݣڢ‬ ‫ٷ‬ഗLj‫ܾڼ‬प๑ᆩ‫ڇ‬ཚ‫ٷݣڢ‬ഗ‫׉ݥ‬ᆶᅪᅭăྺକሞሏ ໙‫ٷݣ‬ഗዐइ‫ۉگڥ‬უሯำLjႴᄲၩࡼ‫ܾڼ‬प‫ړ‬ዐժփ Ⴔᄲ‫ٷڦ‬ଉ‫ୁۉ‬ă्ස‫ܾڼ‬पൻ‫ۯ‬ᅃ߲ዘ޶ሜLjఫ஺৽ ႴᄲԲ‫ڼ‬ᅃपሏ໙‫ٷݣ‬ഗ߸‫ڦܠ‬ൻ‫ۯ‬ă຺ཚ‫ٷݣڢ‬ഗ‫ڦ‬ ଷᅃ߲ඍ‫ۅ‬๟ǖ๼‫؜‬ሏ໙‫ٷݣ‬ഗ‫ڦ‬ඤଉ੗ీࣷ‫ݒ‬ઍ‫ڼڟ‬ ᅃपሏ໙‫ٷݣ‬ഗăၘဦ༪ஃ֖९֖੊࿔၅4ࢅ5ă Billǖ࿢்‫ڼڦ‬ᅃ჋ስԨઠ๟๑ᆩण‫ׯ‬ᅏ՗‫ٷݣ‬ഗLjষ ᅜবู‫ۉ‬ୟӱ੣क़ă඗ܸLj๑ᆩ৛௢ֶ‫ٷݣۯ‬ഗࢫLjඓ ํ๑࿢்੗ᅜ‫ܔ‬ᅏ՗‫ٷݣ‬ഗ৊ႜྲۙLjܸփႴᄲӆࡍ൐ ቞ᆩ‫ۉ‬ୟӱ੣क़‫ۉڦ‬ፆྪஏă࿢்‫ڥ‬ᅜ၂ዸই‫ࡼࠀگ‬Lj ཞ้ධ඗ԍ‫׼‬ዘᄲ‫ڦ‬Ⴀీ༬ႠLjၟ๟ሯำĂCMRRᅜत ኱ୁ๼෇ඹֶ‫ڪ‬ă ཮3. CareFusionᅏ՗‫ٷݣ‬ഗ०཮ HarryǖႇႇLjBillăMattࢅ࿢‫ߛ׉ݥ‬႗ᇑ౞ࢇፕਸ݀ᅃ ੼ံ৊‫ڦ‬ยऺă ፕኁ०঻ Bill KolasaඪኰᇀCareFusion‫ڦ‬NeuroCareևோLjᅙྺ޿ ࠅິ߾ፕ7౎Ljٗ๚ᅅଐᅏഗ‫ڦ‬ยऺă໱इ‫ڥ‬௢ၶߵ੔ र‫ٷ‬ბ‫ۉ‬ഘ߾‫ײ‬ბ๗ბ࿋ (BSEE)ăBill‫ڦ‬ཞ๚Bill Lutzࢅ Dan LombardiᄺྺԨ࿔ፔ‫؜‬କࠋ၅ă Harry Holt๟ADIࠅິDŽெࡔे૧‫౅ޟ‬ჱዝ฽ࢆ෗Dž৛ ௢‫ٷݣ‬ഗևோ‫ڦ‬ᆌᆩ߾‫ײ‬฾LjᅙሞADIඪኰ຺౎ăኮമ ໱ሼሞெࡔࡔॆӷ‫߾ິࠅ༹ڞ‬ፕକ27౎Ljٗ๚߳ዖׂ೗ ‫ڦ‬၄‫׍߾ࢅׇ‬ᆌᆩLjԈઔຕ਍ገ࣑ഗĂሏ໙‫ٷݣ‬ഗĂए ጚᇸĂᅼೕՊ঴ஓഗࢅFPGAă໱ᆛᆶ฽ࢆ෗ዝ૬‫ٷ‬ბ ‫ۉڦ‬ጱ߾‫ײ‬ბ๗ბ࿋ (BSEE)Ljժ൐๟ࡔॆ߾‫ײ‬ඵᇤၹࣷ (Tau Beta Pi) ዕวࣷᇵࢅIEEE‫ߛڦ‬पࣷᇵă Matt Duff๟ADIࠅິ‫ڦ‬ᆌᆩ߾‫ײ‬฾Ljࡗඁ5౎ઠLj໱ٗ๚ ᅏ՗‫ٷݣ‬ഗࢅ‫ܠ‬ዖഄ໲ׂ೗‫ڦ‬ᆌᆩ߾ፕăُമLj໱ࠃኰ ᇀNational InstrumentsLjٗ๚ᅏഗᅏ՗ࢅഛ‫ۉכ‬ጱׂ೗ ‫ڦ‬ยऺࢅၜణ࠶૙߾ፕăMattᆛᆶ‫ڤ‬ዝ౫߾‫ٷ‬ბ‫ۉ‬ጱ߾ ‫ײ‬ბ๗ბ࿋ࢅ൅ዎჱ૙߾ბᇾ‫ۉ‬ጱ߾‫ײ‬ຬ๗ბ࿋ă Page 165 ޹୤ǖBILL‫ऺڦ‬໙ࠅ๕ ऺ໙AD8221ሞ0.1 Hz዁100 Hz‫ڦా੻ټ‬೺ྭ‫ރރ‬ኵሯำᅜ ত๖ሺᅮ‫ڦ‬ᆖၚDŽࢮ୼‫ୁۉ‬ሯำLjᅺྺ‫ۉ‬टፆੇ࢔‫گ‬Džă noise en _ in 2 en _ out 2 Gain Bandwidth CrestFactor 82 75 2 100 4 0.379 μV p - p 14.9 ेฉ1/f ሯำDŽ๑ᆩሺᅮ= 10Ljઠጲຕ਍๮֩Džǖ 0.3792 0.52 0.73 μV p - p ऺ໙AD8221BR‫ڦ‬೺ྭፌၭCMRRᅜত๖ሺᅮᆅഐ‫ߛ༵ڦ‬ă DŽ๑ᆩሺᅮ= 1Ljઠጲຕ਍๮֩Džǖ CMRR = 90 dB + 20 × log(gain) = 90 dB + 20 × log(14.8) = 113 dB ऺ໙AD8221‫ۉڦ‬ट฿ۙඹֶǖ ኍ‫ܔ‬ႎᅏ՗‫ٷݣ‬ഗยऺDŽࢮ୼‫ୁۉ‬ሯำLjᅺྺፆੇ࢔‫گ‬Džă AD8622࣐؋ഗ‫ڦ‬ሯำǖ en Bandwidth CrestFactor 11 nV 100 4 0.44 μV p - p ेฉ1/f ሯำǖ 0.442 0.22 0.48 μV p - p ½ RgᇑRfժ૴‫ڦ‬ሯำǖ 4kT 1 Rg Rf Bandwidth CrestFactor 2 4 1.38 23 300 2k 100 4 0.23 μV p - p ઠጲAD8278‫ڦ‬ሯำǖ Output Noise Gain 50 nV 100 5 Bandwidth CrestFactor 4 0.4 μV p - p -3 ¬ ेฉ1/fሯำǖ 0.42 1.4 2 0.49 μV p - p 5 ໯ᆶሯำᇸ൱ࢅǖ en 0.482 3 0.48 0.232 0.232 0.492 0.9 μV p - p ႎᅏ՗‫ٷݣ‬ഗยऺ‫ڦ‬೺ྭፌၭCMRRǖ  8278 20 log(    ) 80 20 log(10) 100 dB ႎยऺ‫ۉڦ‬ट฿ۙඹֶDŽ኱ୁᇸ૶থ‫ڟ‬ᅃ߲๼෇‫܋‬Ljଷ ᅃ߲๼෇‫܋‬থ‫ں‬Džă ֖੊࿔၅ 1. Pallás-ArenyLjRamónࢅJohn G. WebsterLjĐֶ‫ٷݣݴ‬ഗዐ ‫ࠌڦ‬ఇᅞ዆ԲđĖIEEEᅏഗᇑ֪ଉėLj‫ڼ‬40ਝLj‫ڼ‬4೺Lj 1991౎8ሆLj‫ڼ‬669ᄻ዁676ᄻă 2. ADIࠅິLjĖ၍Ⴀ‫ۉ‬ୟยऺ๮֩ė‫ڼ‬2.9ᄻă 3. D. Rod WhiteĐෙཚ‫ڢ‬ሏ໙ᅏ՗‫ٷݣ‬ഗ‫ڦ‬၎࿋ց‫׋‬đ ĖIEEEᅏഗᇑ֪ଉėLj‫ڼ‬IM-36ਝLj1987౎9ሆă 4. Harry HoltĐሏ໙‫ٷݣ‬ഗǖມཚ‫࣏ڢ‬๟փᄲມཚ‫ڢ‬ DŽ‫ڼ‬1և‫ݴ‬DžđĖEE Timesėă 5. Harry HoltĐሏ໙‫ٷݣ‬ഗǖມཚ‫࣏ڢ‬๟փᄲມཚ‫ڢ‬ DŽ‫ڼ‬2և‫ݴ‬DžđĖEE Timesėă 0OF5FDIOPMPHZ8BZt10#PYt/PSXPPE ." 64" 5FM  t 'BY  t X X XBOBMPHDPN 5SBEFNBSLT BOE SFHJTUFSFE USBEFNBSLT BSF UIF QSPQFSUZ PG UIFJS SFTQFDUJWFPXOFST 5TD  Page 166 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2249 ዇ీ‫ऺీۉ‬ଉᆌᆩຕጴ߰૗ഗ ፕኁ ǖPetre Minciunescu ࢅ Brian KennedyLj ADI ࠅິ ०঻ ग़ඹ኱ୁ‫ߌࢻୁۉڦ‬ഗᅃ኱ᆩᇀॠ֪዇ీ‫ۉ‬՗ዐ‫ڦ‬঍ୁ ‫ୁۉ‬Lj‫ڍ‬໲ᆶᅃၵඍ‫ۅ‬Ljܸ൐࢔ӆࡍă‫ܔ‬ᇀగၵᆌᆩLj ‫ۉୁݴ‬ፆ๟߸ࡻ‫ߌدୁۉڦ‬ഗ჋ስLjᅺྺ໲ॏ߭‫૸گ‬Ă ਏᆶߛ၍Ⴀ‫܈‬ժ൐ੇ‫߅ׇى‬ඡăᅍ࡮‫ڦ‬๟Lj‫ۉୁݴ‬ፆփ ਏᆶ‫ߌࢻୁۉ‬ഗ໯ࠦᆶ‫ۉڦ‬ഘ߰૗༬Ⴀăሞᄲ൱߰૗‫ڦ‬ ዇ీ‫ۉ‬՗‫ڪ‬ᆌᆩዐLj֑ᆩ߰૗‫ۉ‬ᇸरຍ‫ڦ‬ຕጴ߰૗ഗᇑ ‫ۉୁݴ‬ፆ঳ࢇ੗༵ࠃᅃዖଆࡻ‫ڦ‬঴ਦ‫ݛ‬ӄă ‫ڇ‬၎‫ݞ‬൒‫ۉ‬዇ీ‫ۉ‬՗ ੊୯཮ 1 ໯๖‫ڇڦ‬၎‫ݞ‬൒‫ۉ‬዇ీ‫ۉ‬՗ăఇెമ‫( ܋‬AFE) IC ૧ᆩ‫ۉୁݴ‬ፆ֪ଉ၎࿋‫ୁۉ‬Ljժ૧ᆩᅃ߲०‫ݴڦڇ‬უ ഗ֪ଉ၎࿋‫ۉ‬უLjܸٗऺ໙‫ీۉ‬ժ॔੦޶ሜ‫ڦ‬ዊଉăሞ ኄዖᆌᆩዐLj‫ۉ‬૰၍၎࿋‫ۉ‬უᆩፕ AFE ‫ڦ‬থ‫੊֖ں‬ăଭ ၍‫֪ୁۉ‬ଉՂႷ߰૗Ljܸٗԍࢺ AFE ௨๴ߛუᆖၚă AFE ૧ᆩՔጚ SPI ई I2C ཚ႑ॽऺ໙‫ۉڦڟڥ‬ഘଉ‫د‬๼ ߴྲ੦዆ഗ (MCU)ă඗ࢫLjMCU ॽຕ਍݀ໃ‫ڟ‬ཚ႑ఇ੷Lj ཚ‫׉‬๑ᆩ UART থ੨LjՂႷඓԍҾඇ߰૗ժՆ௨থ‫࣍ں‬ ୟăᅺُLjMCU ՂႷᇑ AFE ߰૗Ljᇑཚ႑ఇ੷ࠌ‫ں‬DŽ߰ ૗ 1DžLjईኁᇑཚ႑ఇ੷߰૗Ljᇑ AFE ࠌ‫ں‬DŽ߰૗ 2Džă ཮ 1. ‫ڇ‬၎‫ݞ‬൒‫ۉ‬዇ీ‫ۉ‬՗ Page 167 MS-2249 ‫ۉ‬՗‫ۉ‬ᇸٗ‫ۉ‬૰၍इ‫ڥ‬Lj‫ڍ‬Ҿඇ߰૗ቆׂࣷิଇ߲‫ۉ‬ᇸᇘă ཮ 1 ዐ‫ ڦ‬PS1 ᇑ၎‫ۉ‬ᇸ๟ཞᅃ‫ۉ‬ᇸᇘLj੗ᅜ኱থ๑ᆩܸ࿮ Ⴔ߰૗ AFEă඗ܸLjҾඇ߰૗ቆ 1 ई 2 ሶႴᄲ๑ᆩ߰૗‫ۉ‬ ᇸ PS2 ઠྺ MCU ࢅཚ႑ఇ੷DŽ߰૗ 1Dž༵ࠃ‫ۉ‬ᇸLjईኁৈ ྺཚ႑ఇ੷DŽ߰૗ 2Džࠃ‫ۉ‬ă ጺܸჾኮLj‫ڇ‬၎‫ݞ‬൒‫ۉۉ‬՗ዐᆶ‫ۅ߲ܠ‬Ⴔᄲ߰૗ ǖ v ଭ၍‫ୁۉ‬ॠ֪ v AFE ᇑ MCUDŽ߰૗ 1Džኮक़ई MCU ᇑཚ႑ఇ੷ኮ क़DŽ߰૗ 2Dž ՂႷཚࡗ߰૗ቆ 1 ࢅ 2 ‫ڦ‬႑ࡽ๟ຕጴ႑ࡽăྺକ߰૗ຕ ጴ႑ࡽLjᅙঢ়ਸ݀‫؜‬Ⴙ‫ܠ‬रຍă‫د‬ཥ‫݆ݛ‬๑ᆩ‫ ټ‬LED ࢅ ࠼‫ܾۉ‬ट࠶‫࠼ڦ‬᳘ࢇഗLjডႎ‫ڦ‬रຍሶ๟๑ᆩႊೌपՎ უഗ‫ڦ‬ຕጴ߰૗ഗă૩සLjᇑ࠼᳘ࢇഗ၎ԲLjiCoupler® ຕጴ߰૗ഗਏᆶႹ‫ܠ‬ᆫ๞LjԈઔ ǖ߸੗੍Ă؅٫߸ၭĂ ࠀࡼ߸‫گ‬Ăཚ႑໏‫੺߸܈‬Ă้Ⴞ৛‫ॅ߸܈‬Ăᅟᇀ๑ᆩă ႊೌप߰૗रຍᄺ੗ᅜᇑഄ໱ӷ‫ۉ༹ڞ‬ୟ঳ࢇLjํ၄ၭ ؅٫Ăߛण‫܈ׯ‬঴ਦ‫ݛ‬ӄăሞຕ਍໏୲ডߛ‫ڦ‬ᆌᆩዐLj ኄၵᆫ๞ᆮഄ၂ዸă዇ీ‫ऺీۉ‬ଉ৽๟ኄᄣᅃዖᆌᆩLj ణമႎ๕‫ۉ‬՗Ⴔᄲ߸ߛ‫้ํڦ‬႑တୁଉă ႊೌपՎუഗᄺ੗ᅜᆩሞ߰૗๕ DC-DC ገ࣑ഗዐLjٗ ܸॽຕ਍ࢅ‫ۉ‬ᇸ߰૗ण‫ހ߲ڇڟׯ‬ጎዐăiCoupler ׂ೗ ৽ᆶኄዖీ૰LjisoPower® ߰૗๕ DC-DC ገ࣑ഗ੗ण‫ׯ‬ ‫߰ڟ‬૗๕ຕ਍ཚ‫ڢ‬໯ሞ‫ڦ‬ཞᅃԋ႙՗ཌྷ‫ހ‬ጎዐă੊୯ฉ ૩ዐ‫ڦ‬ଭ၍‫ୁۉ‬ॠ֪ă‫د‬ཥฉ๑ᆩ‫ߌࢻୁۉ‬ഗLjᅺྺ໲ Ԩวీࠕ༵ࠃ߰૗Lj‫ߌࢻୁۉڍ‬ഗՂႷྺ኱ୁग़ඹ႙ᅜ ௨ԏࢅLjኄ༵ࣷߛഄ‫ׯ‬ԨăُྔLj໲࣏ࣷᆅ෇၎࿋ჽ‫׿‬Lj ၎࿋ჽ‫׿‬ໜೕ୲‫ݴׯ‬փཞܸᅴLjᅺُవᅜሞኝ߲ೕ೷‫ݔ‬ ྷా৊ႜց‫׋‬ă‫ۉୁݴ‬ፆਏᆶ௽၂‫ڦ‬ᆫ๞ăփৈॏ߭‫گ‬ ૸Ljփ๴ྔև঍ୁई኱ୁ‫ڦׇى‬ᆖၚLjܸ൐ᇑᆩᇀॠ֪ ၎‫ۉୁݴڦୁۉ‬ፆਏᆶ၎ཞ‫ڦ‬༬Ⴀă඗ܸLj‫ۉୁݴ‬ፆԨ วփਏ߰૗Ⴀă๑ᆩण‫ ׯ‬DC-DC ገ࣑ഗࢅ߰૗ຕ਍ཚ ‫ڦڢ‬ຕጴ߰૗ഗ੗ᅜ঴ਦኄᅃ࿚༶ăኄᄣ৽ׂิᅃዖႎ ‫ڇڦ‬၎‫ݞ‬൒‫ۉ‬዇ీ‫ۉ‬՗঳ࠓDŽ཮ 2Džă ཮ 2. IC ాዃႊೌपՎუഗ‫ڇڦ‬၎‫ݞ‬൒‫ۉ‬዇ీ‫ۉ‬՗ Page 168 MS-2249 ႎ঳ࠓ૧ᆩ AFE1 ֪ଉٗ၍ୟ‫ୁۉ‬इ‫ۉڦڥ‬ഘଉLj૧ᆩ AFE2 ֪ଉٗଭ၍‫ୁۉ‬इ‫ۉڦڥ‬ഘଉăଇ߲‫ୁۉ‬਩૧ᆩ փ๴ྔև‫ׇى‬ᆖၚ‫ۉୁݴڦ‬ፆ֪ଉLjܸٗၩ‫أ‬൒‫ۉ‬ኮᆭă AFE2 ૧ᆩᅃ߲ IC থ๭ࠀ୲Lj޿ IC Ԉࡤᅃ߲एᇀຕጴ ߰૗ഗ‫߰ڦ‬૗‫ۉ‬ᇸă໲૧ᆩഴ෇ཞᅃ IC ժ֑ᆩ၎ཞर ຍ‫߰ڦ‬૗ຕ਍ཚ‫ڢ‬ᇑ MCU ཚ႑ă ੗ᅜॽཞᄣ‫݆ݛڦ‬DŽIC ཞ้Ԉࡤ߰૗‫ۉ‬ᇸࢅ߰૗ຕ਍ཚ ‫ڢ‬Džᆌᆩᇀཚ႑ఇ੷Ljᅺྺ໲ᄺႴᄲᅃ߲߰૗‫ۉ‬ᇸժཚ ࡗ߰૗ቆ৊ႜຕ਍ཚ႑ă ᇑ‫ٷ‬႙ĂӆࡍĂవᅜཚࡗණኤ‫߰ڦ‬૗‫ۉ‬ᇸ၎ԲLjኄዖ‫ݛ‬ ݆‫ڦ‬ᆫ๞၂ܸᅟ९ăຕጴ߰૗रຍሰ৽କᄽহፌၭ‫ڦ‬ UL ණኤ DC-DC ገ࣑ഗLjኄၵ IC ਏᆶ࢔ߛ‫ڦ‬ඤ࿘ۨႠ ࢅऐႁ࿘ۨႠĂ‫؜‬෥‫ڦ‬ఱࣅბޫ์Ⴀᅜतଆࡻ‫ ڦ‬ESD Ⴀ ీăยऺ߾‫ײ‬฾၄ሞ੗ᅜणዐ৛૰߀฀ဣཥยऺLjܸ࿮ Ⴔ‫څ‬႐߰૗࿚༶ă ෙ၎዇ీ‫ۉ‬՗ ‫ܔ‬ᇀෙ၎዇ీ‫ۉ‬՗DŽ཮ 3DžLj੗ᅜ֑ᆩཞᄣ‫݆ݛڦ‬ăሞ‫د‬ ཥ‫຺ڦ‬၍ဣཥዐLjଭ၍ԥ჋ፕ‫ۉ‬՗ AFE ‫ڦ‬থ‫੊֖ں‬ă၎ ‫ୁۉ‬૧ᆩ‫ߌࢻୁۉ‬ഗ֪ଉă‫ۉ‬ᇸ૧ᆩ໯ᆶෙ၎‫ॺظ‬ଇ߲ ‫ۉ‬ᇸᇘ ǖᅃ߲ྺ AFE ࠃ‫ۉ‬Ljᅃ߲ྺཚ႑ఇ੷ࠃ‫ۉ‬Lj‫ۉ‬ᇸ ՂႷ৊ႜ߰૗ᅜԍኤҾඇăMCU ੗ᅜዃᇀඪᅃ‫ۉ‬ᇸᇘ ዐLjᅺُ AFE ᇑ MCU ኮक़DŽ߰૗ 1Džई MCU ᇑཚ႑ ఇ੷ኮक़DŽ߰૗ 2Dž‫ۼ‬٪ሞᅃ߲߰૗ቆă ૌຼᇀ‫ڇ‬၎‫ݞ‬൒‫ۉۉ‬՗໯֑ᆩ‫݆ݛڦ‬Lj૧ᆩຕጴ߰૗र ຍLj੗ᅜॽ‫ߌدୁۉ‬ഗ༺࣑ྺ๑ᆩ‫ۉୁݴ‬ፆ‫߰ڦ‬૗ఇ੷Lj ཚ႑ఇ੷੗ᅜ૧ᆩԈࡤ߰૗‫ۉ‬ᇸࢅຕ਍ཚ‫ڢ‬DŽ੗ཚࡗ߰ ૗ቆཚ႑Dž‫ ڦ‬IC ࠃ‫ۉ‬ժᇑ MCU ཚ႑DŽ཮ 4Džă ཮ 3. ෙ၎዇ీ‫ۉ‬՗ Page 169 MS-2249 ཮ 4. IC ాዃႊೌपՎუഗ‫ڦ‬ෙ၎዇ీ‫ۉ‬՗ ঳ຐᇕ ‫ۉୁݴ‬ፆࢅႊೌपຕጴ߰૗ഗྜඇ੗ᅜൽ‫پ‬኱ୁग़ඹ႙ ‫ߌࢻୁۉ‬ഗLjཞ้ํ၄ຕ਍߰૗ࢅ‫ۉ‬ᇸ߰૗ăຕጴ߰૗ ഗᆫᇀ‫د‬ཥ‫࠼ڦ‬᳘ࢇഗLjժ൐ኧ‫ܠ׼‬ዖ‫ز‬ႜཚ႑ ǖSPIĂ I2C ई UARTăຕጴ߰૗ഗႠీ߸ߛĂ߸ᅟ๑ᆩĂ߸े੗ ੍Ljਾ‫࠼׬‬᳘ࢇഗ‫ڦ‬ኈኟ༺‫ׂپ‬೗ă ຕጴ߰૗ഗ๑዇ీ‫ۉ‬՗‫ڦ‬ဣཥॐࠓ݀ิසူՎࣅ ǖ v ၎‫ࢅୁۉ‬ଭ၍‫ୁۉ‬੗ᅜ૧ᆩ‫ۉୁݴ‬ፆॠ֪Ljܸٗ ၩ‫أ‬ཚࡗ‫߅ׇى‬ඡ൒‫ޅڦۉ‬၃Ljᅜत‫ت‬૙‫ࢻୁۉ‬ ߌഗ၎࿋ჽ‫ڦ׿‬వ༶ă v ๑ᆩ UL ණኤ‫ ڦ‬ICLj‫ڇ‬၎ࢅෙ၎‫ۉ‬՗਩੗ᅜ๑ᆩ ‫ڇ‬ᅃዷ‫ۉ‬ᇸă༬՚๟ሞෙ၎‫ۉ‬՗ዐLjኄ੗ᅜ၂ዸ໫ ၭ‫ۉ‬ᇸ؅٫Lj๑‫ۉ‬՗ྔ੕؅٫߸ၭă ጨᇸ ᇡ៓બ Twitter ྪበฉ‫ ڦ‬ADI ႎ࿕Lj൩‫ݡ‬࿚ ǖ www.twitter.com/ADI_News 0OF5FDIOPMPHZ8BZt10#PYt/PSXPPE ." 64" 5FM   t  'BY   t  X X XBOBMPHDPN 5SBEFNBSLT BOE SFHJTUFSFE USBEFNBSLT BSF UIF QSPQFSUZ PG UIFJS SFTQFDUJWFPXOFST  5"TD  Page 170 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2250 ጲ๢ᆌํ้DSPॐࠓ੗ᅜ॔੦‫ۉ‬ ྪዐ‫ڦ‬ၿհ‫߳ࢅݴׯ‬ዖ‫ۉ‬ᇸ೗ዊ ᅺຕ ፕኁǖGabriel AntoneseiLjADIࠅິ ०঻ ሞࡗඁLjၿհ‫ݴ‬ဆᅏփৈ‫׉ݥ‬ӆࡍLjܸ൐వᅜण‫ࡀٷڟׯ‬ఇ ዆ሰ‫ۉڦ‬՗ዐăᅺُLj‫ྪۉܔ‬৊ႜၿհ࿫ක‫ݴ‬ဆ๟ᅃॲ‫׉ݥ‬ ઓవ‫ڦ‬๚൧Ljኻీ౾ܻᆯጆᄽ֡ፕᇵሞగၵ༬ۨ࿋ዃ৊ႜă සৃLjႊೌփৈ੗ᅜण‫ڦܠ߸ׯ‬႑ࡽ‫ت‬૙ࠀీLjܸ൐؅٫߸ ၭĂॏ߭߸‫૸گ‬Ljీࠕํ၄‫ߛڦྪۉܔ‬ၳ๑ᆩࢅ॔੦ă ࡗ ඁबๆ౎ઠLj‫ۉ‬ᇸဣཥ‫װ‬ኸຕ๕ሺ‫׊‬Ljഄ‫ݥ‬၍Ⴀ ༬Ⴀᆅഐକჹዘ‫ڦ‬ၿհ࿫කăኄ੗ీ‫ټ‬ઠ‫ݛܠ‬௬ ‫ڦ‬փ૧ᆖၚLj૩සǖ‫ۉ‬ഘยԢࡗඤࢅࡗራ઻ࣅLj ‫د‬๼၍ୟ໦ࡼሺेLjᅜती‫ۉ‬ഗԍࢺ฿ଳ‫ڪ‬ă ᅺُLjᄽহሁઠሁ࠲ጀၿհ࿫ක࿚༶Ljժ֑ൽକ߳ၜ‫ٯ‬แᅜ ํ၄߸ࡻ‫࠶ྪۉڦ‬૙ăഄዐLjፌॅ‫ڦ‬ᅃ߲‫݆ݛ‬๟ሞ‫ాྪۉ‬ย ዃ߸‫ݴࢅ֪࠵ڦܠ‬ဆ‫ۅ‬Ljժ൐ჽ‫॔׊‬੦้क़ăໜጣ዇ీ‫ۉ‬՗ ሞඇ๘হ‫੺ेڦాྷݔ‬ևຈLj஢ፁฉຎᄲ൱‫ڦ‬ፌॅഗॲࣷԥ ᆩᇀഄዐăᆩᇀ዇ీ‫ۉ‬՗‫ڦ‬ASICण‫ऺీۉ‬ଉ༬Ⴀᇑၿհ‫ݴ‬ဆ ࠀీᇀᅃวLj੗ీ๟ፌ๢ࢇ‫ڦူړ‬૙ၙ঴ਦ‫ݛ‬ӄă൩ൎऻLj ੊୯‫ڟ‬ᅃ੷ႊೌాᄲഴ෇‫ٷ‬ଉDSPጨᇸLjཞ้ᆼՂႷ૸ॏĂ؅ ٫ၭĂࠀࡼ‫گ‬Lj੗ၙܸኪೕ೷‫ݴ‬ဆਨ‫ݥ‬ᅟ๚ăԨ࿔ॽ༪ஃᅃ ዖ‫׈‬๬஢ፁ໯ᆶኄၵႴ൱‫ڦ‬DSPॐࠓ঴ਦ‫ݛ‬ӄă एೕࠚ໙ࢅೕ೷‫༵ݴׯ‬ൽ ‫ྪۉ‬ฉփ܏Վࣅ‫޶ڦ‬ሜᇑ၎‫ۉ݀ڦ࢛ۨܔ‬๼‫؜‬ኮक़٪ሞᅃዖ ‫ۯ‬ༀ‫ڦ‬ೝ࢚࠲ဣLjኄ‫ڞ‬ዂሞ޶ሜডߛ้Ljዷ‫ۉ‬ᇸೕ୲ࣷ୼ྲ ই‫گ‬Ljܸሞ޶ሜড‫้گ‬Ljዷ‫ۉ‬ᇸೕ୲ࣷ୼ྲ༵ߛăሞ‫ྪۉ‬ ߛ‫ٳ݀܈‬ժ๴‫ڟ‬௢ൎ॔੦‫ॆࡔڦ‬Ljೕ୲ೋᅎଉ၎‫ړ‬ၭLj‫ڍ‬ሞ ‫ྪۉ‬੦዆փॅ‫ںڦ‬൶Ljೕ୲ೋᅎଉ੗ీ‫ڟٷ‬ፁᅜᆖၚ‫ۉ‬ഘย ԢăྺُLjᄽহᅙ৊ႜ‫ٷ‬ଉჺ৯߾ፕLj๬཮ቴ‫ڟ‬ཚࡗᆫࣅ߳ ዖ֖ຕLjස৛‫܈‬Ă໏‫܈‬Ăሯำࢅၿհੇඡ‫ڪ܈‬Ljઠํ၄߶ጷ ೕ୲‫ڦ‬ፌᆶၳ‫݆ݛ‬ă ཮1. एᇀຕጴPLL঳ࠓ‫ڦ‬ೕ୲ࠚ໙ Page 171 MS-2250 ৽‫ۉ‬ᇸဣཥ‫ڦ‬ҾඇႠĂ࿘ۨႠࢅၳ୲ܸჾLj‫ڦྪۉ‬ೕ୲๟ᇑ‫ۉ‬ ୁࢅ‫ۉ‬უཞ‫ڪ‬ዘᄲ‫߾ڦ‬ፕ֖ຕă੗੍‫ڦ‬ೕ୲֪ଉ๟ᆶၳ‫ڦ‬৊ႜ ‫ۉ‬ᇸ੦዆Ă޶ሜ३ൟĂ޶ሜ࣬ްࢅဣཥԍࢺ‫ံڦ‬ਦཉॲă ॠ֪ࢅࠚ໙ೕ୲‫݆ݛڦ‬ᆶႹ‫ܠ‬ዖă૩සLjࡗଭ‫݆ݛ‬ཚࡗ֪ଉ ଇ߲၎ीࡗଭ‫ۅ‬ኮक़‫้ڦ‬क़क़߰ઠॠ֪ೕ୲Ljኄዖ‫ڦ݆ݛ‬ᆫ ‫ۅ‬๟‫׉ݥ‬ඹᅟํ၄Ljඍ‫ۅ‬๟৛‫܈‬ড‫گ‬Ljժ൐ᅟ๴ၿհĂሯ ำĂ኱ୁ‫ڪݴׯ‬ᆖၚăएᇀDFT‫ڦ‬໙݆੗ᅜ૧ᆩ֑ᄣႾଚઠ ࠚ໙ೕ୲Lj‫ڍ‬໲‫ܔ‬๼෇႑ࡽዐ‫ڦ‬ၿհ‫ߌ௺׉ݥ‬ăኍ‫ܔ‬Ԩ࿔໯ ຎ‫ڦ‬DSPॐࠓLj࿢்੊ִକᅃዖएᇀຕጴPLL‫݆ݛڦ‬Lj݀၄໲ ࢔ᆶၳLjਏᆶߛੇඡ‫܈‬Ljཞ้࣏ీ༵ࠃ৛ඓ‫ڦ‬ೕ୲ࠚ໙ă ཮1໯๖ྺՔጚຕጴPLL঳ࠓतഄෙ߲ዷᄲఇ੷ă၎࿋ဃֶॠհ ഗॽ๼‫݀؜‬ໃ‫࣍ڟ‬ୟ୳հഗLj࣍ୟ୳հഗ৊ᅃօ੦዆ᅃ߲ຕጴ ና‫ږ‬ഗLjణ‫ڦ‬๟ፌ‫ں܈ײٷ‬ই‫گ‬၎࿋ဃֶăᅺُLjፌዕ੗ᅜइ ‫ڥ‬๼෇႑ࡽएೕ‫ࠚڦ‬໙ኵă੦዆࣍ୟঢ়ࡗᆫࣅLjሞ45 Hz‫ڟ‬66 Hz ‫ڦ‬Քጚ‫ྪۉ‬ೕ୲‫ాྷݔ‬੗༵ࠃፌॅ‫ڦ‬໮֖ۨຕႠీă ኪ‫ڢ‬କᄲٗೕ೷ዐ໯༵ൽ‫ڦݴׯ‬৛ඓೕ୲ࢫLj࿢்৽੗ᅜ੊ ִ߳ዖᆩᇀ༵ൽ‫ڦ‬჋ၜă༌‫֑ڟ‬ᄣဣཥ‫ڦ‬ೕ೷‫ݴ‬ဆLj࿢்ጲ ඗ࣷၙ‫ڟ‬૧ᆩ૗ො‫ޱ‬૛ᄾՎ࣑(DFT)ኄ߲߾ਏॽ႑ࡽ้ٗᇘᆙ พ‫ڟ‬ೕᇘăᆶ‫ܠ‬ዖຕኵ໙݆ࢅ‫ت‬૙ॐࠓጆோᆩᇀํ၄ኄዖՎ ࣑LjFFT๟ഄዐፌዸఁ‫ڦ‬ᅃዖă‫ܔ‬Բ੊୯༵ൽ‫ڦ‬႑တଉࢅ໯Ⴔ ‫ڦ‬DSPጨᇸଉLj௅ዖ‫ۼ݆ݛ‬ᆶഄᆫ‫ࢅۅ‬ඍ‫ۅ‬ă ᆶᅃዖ঍ୁ‫ۉ‬ᇸဣཥ૙ஃ๑ᆩްೝ௬ዐ‫ڦ‬၎ଉઠ‫پ‬՗‫ۉ‬უࢅ ‫ୁۉ‬Lj޿૙ஃᇑᅃዖᅜૌຼ߭๕༵ࠃೕ೷‫ڦݴׯ‬DFTՎࣅႚ ๕၎ᅃዂăٗߵԨฉຫLjሞణՔೕ୲኱থํ၄DFTࠅ๕ᄺీ ‫ڟٳ‬ཞᄣ‫ڦ‬ၳࡕă‫ڍ‬๟Ljྺ๑֪ଉਏᆶํ้ႠLj࿢்֑ᆩ କᅃዖٗDFTࠅ๕इ‫ڥ‬൱ࢅᇮ໎‫݆ݛࡃڿڦ‬ăํแ‫ݛ‬๕ᆶ‫ܠ‬ ዖDŽൽਦᇀ੗ᆩ‫ڦ‬DSPጨᇸDžLj‫ڍ‬ՂႷ઺઺੦዆ᅃ߲ዘᄲ‫ݛ‬ ௬Ljኄ৽๟ፌ‫ں܈ײٷ‬ই‫گ‬ೕ೷ႅ୑ࢅሯำᆅഐ‫ڦ‬ဃֶă ཮2ᅜ઀཮ႚ๕ຫ௽କೕ೷‫༵ݴׯ‬ൽ‫߾ڦ‬ፕᇱ૙ă ཮2. ༵ൽएհࢅၿհೕ೷‫ݴׯ‬ Page 172 గᅃ၎‫֑ڦ‬ᄣ‫ۉ‬უࢅ‫ୁۉ‬ᇑएհೕ୲ኵᅃഐཚࡗᅃ߲ऺ໙ఇ ੷Lj޿ऺ໙ఇ੷ᅜ၎ଉႚ๕༵ࠃऺ໙঳ࡕăኍ‫ܔ‬௅߲एհೕ ୲ࢅగၵᆩࢽ੗჋‫ڦ‬ၿհೕ୲Lj‫ࠃ༵ࣷۼ‬ᅃ‫ܔ‬၎ଉDŽ‫ۉ‬უࢅ ‫ୁۉ‬Džăᆶକኄၵ‫ݴ‬ଉኮࢫLj࿢்৽੗ᅜሏᆩ‫ۉ‬ᇸ૙ஃዐ‫ڦ‬ ᅙኪ‫݆ݛ‬ઠ༵ൽRMSኵࢅࠀ୲ăRMSኵ၎‫ړ‬ᇀኄၵ၎ଉ‫ޗڦ‬ ‫܈‬Lj๫ሞࠀ୲ሶ‫ڪ‬ᇀኄၵ‫ױڦ܈ޗ‬ओăॽ‫ୁۉ‬၎ଉ኱থཨᆖ ‫ۉڟ‬უฉժॽܾኁ၎‫ױ‬Lj৽੗ᅜइ‫ڥ‬ᆶࠀࠀ୲ă‫ݴ‬঴‫ڦୁۉ‬ ଷᅃ߲ኟ঍ᇮ໎ᇑ‫ۉ‬უ၎‫ڟڥ৽ױ‬࿮ࠀࠀ୲ă ຫ‫ڟ‬ኄ૛Lj࿢்ᄲ༪ஃᅃူ֑ᆩํ้‫ڦ݆ݛ‬੗ీᆫ‫ۅ‬DŽ‫ۯ‬ ऐDžă૩සLjኄዖॐࠓీࠕ࢔ࡻ‫॔ں‬੦Վუഗዐ‫ڦ‬ષᆥ‫ୁۉ‬ă ኄዖ‫ิ݀ୁۉ‬ሞՎუഗཚ‫ۉ‬೺क़Ljᆯ‫ى‬ႊ‫ڦ‬և‫ݴ‬ዜ೺ԏࢅᆅ ഐă‫؛‬๔‫޶ۨܮྺ܈ޗ‬ሜ‫ڦୁۉ‬2‫ڟ‬5ԠDŽ඗ࢫ஥஥ই‫گ‬DžLjժ ਏᆶटߛ‫ْܾڦ‬ၿհLj຺ْࢅ࿵ْၿհᄺࣷၻ‫ټ‬ᆶᆩ‫ڦ‬႑တă සࡕኻੂጺRMS‫ୁۉ‬Ljષᆥ‫ୁۉ‬੗ీࣷԥဃණྺ‫܌‬ୟ‫ୁۉ‬Ljᅺ ܸ੗ీ‫ٱ‬ဃ‫ں‬ඟՎუഗཽ‫ޜ؜‬ခăྺକ๎՚ኄዖ൧ႚLjՂႷइ ‫ْܾڥ‬ၿհ‫ڦ܈ޗ‬৛ඓํ้ኵă‫ړ‬࿢்ኻႴᄲब߲ၿհ‫ڦ‬႑တ ้Ljሏᆩྜኝ‫ڦ‬FFTՎ࣑੗ీփ๟‫׉ݥ‬ᆶၳă ኄዖᆶ჋ስ‫ऺں‬໙ब߲ၿհ‫݆ݛڦݴׯ‬੗ీԲFFT‫߸݆ݛ‬ᆶၳ ୲Lj໯࿍ෙْၿհႾଚ৽๟ଷᅃ߲࢔ࡻ‫ڦ‬૩ጱăᆶ้Ⴔᄲ༬ ՚ጀᅪෙْၿհ‫ڦ‬ആຕԠၿհDŽ3Ă9Ă15Ă21...Džăሞথ‫ں‬Y ႙ဣཥዐLj‫ୁۉړ‬ሞଭ၍ฉୁ‫้ۯ‬Ljኄၵၿհ৽ࣷ‫ྺׯ‬ᅃ߲ ዘᄲ࿚༶ă໲ࣷᆅഐଇ߲‫ۆ‬႙࿚༶ǖଭ၍ࡗሜࢅ‫߅ࣆۉ‬ඡă ᆶ้ࢪLjଭ၍‫ڦ‬ෙْၿհႾଚუই‫ڞ‬ዂ၍ୟ‫ڟ‬ଭ၍‫ۉ‬უჹዘ ฿ኈLjዂ๑గၵยԢ݀ิࠤቱăԨ࿔༵‫ڦ؜‬঴ਦ‫ݛ‬ӄ੗ᅜኻ ॔੦ଭ၍‫ୁۉ‬ᅜत໯ᆶ၎࿋‫ୁۉ‬ኮࢅฉ‫ڦ‬ኄၵၿհă MS-2250 ‫֫ۥ‬DSPॐࠓ ฉຎDSPఇ੷ᅙཁे‫ڟ‬ᅃ߲ߵ਍एԨࠅ๕ऺ໙ጺRMSኵࢅ ࠀ୲‫ڦ‬၄ᆶॐࠓă࿢்࣏े෇କᅃ߲ᆩᇀऺ໙‫ۉ߲ܠ‬ᇸ೗ ዊᅺຕ‫ڦ‬ᇮॲă๯ံLj࿢்ऺ໙ၿհ฿ኈ(HD)LjᅜՍߵ਍ एհRMSኵࡃᅃࣅ໯ᆶၿհRMSኵă඗ࢫLj૧ᆩጺRMSኵ ࢅएհRMSኵLj࿢்ߵ਍Քጚۨᅭऺ໙ጺၿհ฿ኈेሯำ (THD+N)ăፌࢫLjߵ਍ᆶࠀࠀ୲ᇑ๫ሞࠀ୲‫ڦ‬ԲኵLj༵ൽ໯ ᆶࠀ୲ᅺຕăස཮3໯๖Ljෙ߲၎࿋ժႜኴႜ໯ᆶኄၵ႑ࡽ‫ت‬ ૙Lj‫ڍ‬ၿհ‫ݴ‬ဆఇ੷๟૩ྔLjඪᅃߴ้ۨक़ኻీॽ޿ఇ੷‫ݴ‬ ದߴగᅃ၎࿋ă ཚࡗऺ໙ၿհࠀ୲ᅺຕLj੗ᅜቴ‫ྪۉ؜‬ዐ‫ڦ‬ၿհᇸă໚඗ᄽ হධ඗‫ֱܔ‬ቴዷᄲၿհᇸ‫ڦ‬ፌॅ‫݆ݛ‬٪ሞኛᅱLj‫ڍ‬๟ഄዐᅃ ዖ‫د‬ཥ‫݆ݛ‬๟एᇀĐᆶࠀࠀ୲‫ݛۯୁڦ‬ၠđăኄ၎‫ړ‬ᇀඓණ ޿༬ۨၿհೕ୲ሞဣཥగᅃ‫ۅ‬ई‫ۅ߲ܠ‬ฉ‫ڦ‬ᆶࠀࠀ୲‫ࡽޙ‬ă ሞ฿ኈ‫ۉ‬უူ߾ፕ้Lj၍Ⴀ޶ሜࣷኍ‫ܔ‬௅߲ၿհׂิᆶࠀࠀ ୲Ljܸ൐සࡕਜ਼ࢽ‫܋‬٪ሞ‫ݥ‬၍ႠᇮॲLj޿ࠀ୲ࣷ৊෇ྪஏă ཚࡗ֪ଉ࿫කၿհ‫ۉ‬უࢅ‫ڦୁۉ‬၎࿋ঙ‫܈‬Lj඗ࢫऺ໙ഄֶ ኵLj੗ᅜඓۨ޿ኵăܸሞُॐࠓዐሶփՂසُLjᅺྺၿհࠀ ୲ᅺຕ੗ᅜ༵ࠃ޿႑တă ኄዖDSPॐࠓᅙሞෙ၎‫ऺీۉ‬ଉഗॲฉ‫ํࠀׯ‬၄Lj໲ਏᆶස ူᆘॲጨᇸǖ‫ڇ‬MACॐࠓLj߾ፕ้ዓೕ୲ྺ16 MHzLj႑ࡽ֑ ᄣ໏୲ྺ8 kHzLjਏᆶ1kጴ‫ڦ‬ຕ਍٪‫ئ‬ഗă໯ᆶෙ၎‫ڦ‬एհ֪ ଉ঳ࡕ૶Ⴤऺ໙Ljၿհ‫ݴ‬ဆᅏሶీٗߴۨ၎࿋DŽAĂBईCDž ૶Ⴤ༵ൽෙ߲ໜऐၿհኵă޿ॐࠓ๟੗કቛ‫ڦ‬LjగၵႠీ֖ ຕᅙߵ਍ᅙኪ‫߾ྪۉڦ‬ፕཉॲ৊ႜକᆫࣅă Page 173 MS-2250 ཮3. ‫֫ۥ‬DSPॐࠓ ໚඗փీᅃْႠ༵ࠃ໯ᆶၿհኵੂഐઠၟඍ‫ۅ‬Lj‫ڍ‬࿢்ᄲऻ ዿLj‫ྪۉ‬ዐ‫ڦ‬ၿհ࿫කፌዘᄲ‫ڦ‬ᆖၚ࣏๟ሞᇀጚ࿘၄ၡăํ ाฉLj‫ܔ‬ᇀ߾ᄽࢅฆᆩ޶ሜLjॺᅱ‫ݴ‬ဆ዁ณᅃዜా‫ڦ‬ၿհ࿫ කLjܸᆌՆ௨ඪࢆଭ႓‫֪ڦ‬ଉăሞฉຎമ༵ူLjೞ঺޿ॐࠓ ‫ీࠀܠڦ‬ႠLjᆩࢽ੗ᅜཚࡗ෢௮໯ᆶෙ၎ฉ‫ڦ‬໯ᆶ੗ᆩၿհ ాඹઠइൽৎຼFFT‫ڦ‬঳ࡕă ঳ຐᇕ ሞࡗඁLjၿհ‫ݴ‬ဆᅏփৈ‫׉ݥ‬ӆࡍLjܸ൐వᅜण‫ࡀٷڟׯ‬ఇ ዆ሰ‫ۉڦ‬՗ዐăᅺُLj‫ྪۉܔ‬৊ႜၿհ࿫ක‫ݴ‬ဆ๟ᅃॲ‫׉ݥ‬ ઓవ‫ڦ‬๚൧Ljኻీ౾ܻᆯጆᄽ֡ፕᇵሞగၵ༬ۨ࿋ዃ৊ႜă ॽ߸‫ܠ‬႑ࡽ‫ت‬૙ࠀీण‫ڟׯ‬ၭ႙൐ঢ়ष‫ڦ‬ႊೌዐॽ‫߀ڹן‬Վ ኄᅃ၄ጒLjྺ߸ᆶၳ‫ں‬૙঴ࢅ๑ᆩ‫ٶྪۉ‬ਸ‫ݛ‬ՍኮோLjඟ‫ۉ‬ ૰ࠅິࢅၩ‫ݯ‬ኁ਩ॽٗዐइᅮăԨ࿔঻ถ‫ڦ‬DSPॐࠓ၄ᅙण ‫ڟׯ‬ADIࠅິ‫ڦ‬ᅃ੼ഗॲዐLj޿ഗॲ๟ADI‫ऺీۉ‬ଉևோኍ‫ܔ‬ ‫ܠ‬၎๨‫ڦ؜ླׇྀ‬ፌႎഗॲ (ADE7880) ኮᅃă ጨᇸ ැᄲକ঴ᆶ࠲‫ऺీۉ‬ଉ‫ܠ߸ڦ‬႑တLj൩‫ݡ‬࿚ǖXXXBOBMPHDPN DOFOFSHZă Ԩ࿔༵‫ׂڦڟ‬೗ ׂ೗ ௮ຎ ADE7880 ण‫ׯ‬ၿհ॔੦‫ܠڦ‬၎‫ऺీۉీࠀܠ‬ଉIC 0OF5FDIOPMPHZ8BZt10#PYt/PSXPPE ." 64" 5FM  t 'BY  t X X XBOBMPHDPN 5SBEFNBSLT BOE SFHJTUFSFE USBEFNBSLT BSF UIF QSPQFS UZ PG UIFJS SFTQFDUJWFPXOFST 5"TD Page 174 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2223 ႎ႙ၿհ‫ݴ‬ဆ‫ߛ༵݆ݛ‬዇ీ‫ۉ‬ ՗‫ڦ‬৛‫܈‬ժই‫ऺگ‬໙ਸၨ ፕኁǖPetre Minciunescu ࢅGabriel Antonesei ቌᄲ ጲ๢ᆌํ้॔੦(ARTM)๟ᅃዖႎ‫ڦ‬ၿհ‫ݴ‬ဆ‫݆ݛ‬ăԨ࿔ ‫ܔ‬ARTMᇑFFT ໙݆ࢅ‫ټ‬ཚ୳հ৊ႜକԲডă ०঻ ໜጣ዇ీ‫ۉ‬՗Ă዇ీ‫ݴࢅྪۉ‬ք๕݀‫ۉ‬නᅮฺႜLj‫ీۉ‬ ዊଉ॔੦Վ‫ڥ‬ሁઠሁዘᄲă‫ۉࢅୁۉܔ‬უ႑ࡽ৊ႜၿհ ‫ݴ‬ဆLj‫ۉ‬՗৽ీइ‫࠲ڥ‬॰‫ీۉ‬ዊଉኸՔ‫ڦ‬႑တLjԈઔ޶ ሜई‫ۉ‬ᇸ‫ڦ‬ጒༀ‫ڪ‬Ljܸٗኧ‫׼‬ᇨ‫ݞ‬Ⴀྼࢺईဣཥᆫࣅă ၿհ‫ڦ‬٪ሞሁઠሁସీᇸ༵ࠃฆࢅၩ‫ݯ‬ኁ‫څ‬႐Ljᅺྺࡗ ‫ڦٷ‬ၿհ‫ୁۉ‬੗ీ‫ڞ‬ዂ‫ۉ‬ᇸՎუഗĂ࿮ࠀࠀ୲ց‫׋‬ഗࢅ ଭ၍ࡗඤLjᅜतԍࢺी‫ۉ‬ഗ‫ڦ‬ဃ‫݀ة‬ăၿհ‫ۉ‬უࢅ‫ୁۉ‬ ࣏੗ీ߅ඡሞ޹ৎ߾ፕĂ‫ٷܔ‬ၿհ݀ิഗ௺ߌ‫ڦ‬ยԢă ྺକ৊ႜၿհ‫ݴ‬ဆLjਸ݀ටᇵ‫د‬ཥฉ๑ᆩຕጴ႑ࡽ‫ت‬૙ ഗ(DSP)ઠํ၄గዖႚ๕‫ޱڦ‬૛ᄾ໙݆ई‫ټ‬ཚ୳հăԨ ࿔༵‫؜‬ᅃዖႎ‫ ——݆ݛ‬ጲ๢ᆌํ้॔੦(ARTM)Ljժ൐ ࣷԲড޿‫݆ݛ‬ᇑFFT໙݆ࢅ‫ټ‬ཚ୳հăADIࠅິႎᅃ‫پ‬ ‫ీۉ‬ᆌᆩׂ೗ॽ֑ᆩARTMरຍă ‫ޱ‬૛ᄾ‫݆ݛ‬ ሞ‫ऺీۉ‬ଉई‫ۉ‬ᇸዊଉ॔੦ဣཥዐኴႜၿհ‫ݴ‬ဆ้Ljࣷ ཞ้‫ܔ‬၎‫ۉࢅୁۉ‬უ৊ႜ֑ᄣLj඗ࢫ৊ႜ‫ت‬૙Ljऺ໙ए հࢅၿհ‫ۉڦݴׯ‬ᇸዊଉLjԈઔǖᆶࠀĂ࿮ࠀĂ๫ሞࠀ ୲ĂᆶၳኵĂࠀ୲ᅺຕࢅၿհ฿ኈă‫ُܔ‬Ljට்ࣷ૬ਗ਼ ၙ‫੺ڟ‬໏‫ޱ‬૛ᄾՎ࣑(FFT)‫ݴ‬ဆLjഄ‫ײ‬Ⴞස཮1໯๖Ljຫ ௽සူǖ ඓۨएհ‫ڦݴׯ‬ዜ೺ăኄᅃࡼ้‫ײࡗڦ‬ཚ‫֑׉‬ᆩස ူ‫ݛ‬๕ํ၄ǖ‫ܔ‬၎‫ۉ‬უ৊ႜ‫گ‬ཚ୳հᅜ߰૗एհLj ඗ࢫ֪ଉଇ߲၎ीࡗଭ‫ۅ‬ኮक़‫้ڦ‬क़ăඓۨ޿ዜ೺ ࡗ‫ײ‬ዐ‫ڦ‬ඪࢆဃֶ‫ࣷۼ‬ᆖၚၿհ‫ࢅ܈ޗڦ‬၎࿋ဃ ֶă Ⴊ߀֑ᄣೕ୲ᅜՍሞ௅߲ዜ೺इ‫ڥ‬2N߲ᄣԨăኄᅪ ࿆ጣᄲ๑ᆩ֑ᄣೕ୲੗Վ‫ڦ‬ఇຕገ࣑ഗă ֑ण‫ܔ‬ᆌᇀᅃ߲ई‫߲ܠ‬ዜ೺‫ڦ‬2N߲ᄣԨă ኴႜFFT໙݆ăइൽ‫߲ܠ‬ዜ೺‫ڦ‬ᄣԨ੗༵ߛऺ໙৛ ‫܈‬Lj‫ߴࣷڍ‬DSP ‫ټ‬ઠ߸ዘ‫څ޶ڦ‬Ljժ൐ࣷ๑ኝ༹ၚ ᆌՎ஥ă ཮ 1. ํ၄ FFT໙݆໯Ⴔ‫ڦ‬օየ Page 175 MS-2223 ߵ਍एհዜ೺Ⴊ߀֑ᄣೕ୲ࣷᆖၚ‫ۉ‬՗ዐኴႜ‫ڦ‬ഄ໲ ऺ໙ă‫ऺీۉ‬໙ԈઔႹ‫୳ܠ‬հഗLj୳հഗ‫ڦ‬ဣຕऺ໙ᇑ ֑ᄣೕ୲၎࠲Ljኄ৽Ⴔᄲํ၄ᅃ߲ీࠕ‫ۯ‬ༀۙኝُૌဣ ຕ‫ྜڦ‬ኝऺଉ‫ݛ‬ӄLj‫֑ڍ‬ᆩGoertzel໙݆੗ᅜՆ௨ኄዖ ஑‫ݑ‬ăኄዖ‫݆ݛ‬փᄲ൱௅ዜ೺‫ڦ‬ᄣԨຕ‫ڪ‬ᇀ 2NLjᅺُ֑ ᄣೕ୲੗ᅜԍ‫࢛ۨ׼‬Ljᇑएհዜ೺࿮࠲ăํ၄ኄዖ໙݆ ‫ڦ‬օየස཮ 2 ໯๖Ljຫ௽සူǖ ၟFFT‫݆ݛ‬ᅃᄣඓۨएհ‫ڦݴׯ‬ዜ೺ă ֑ᄣೕ୲ԍ‫࢛ۨ׼‬Lj௅߲ዜ೺इൽᅃۨຕଉ‫ڦ‬ᄣԨă ߵ਍௅߲ዜ೺‫ڦ‬ᄣԨຕऺ໙ Goertzel ໙݆໯ᆩ‫ڦ‬ ဣຕă ኴႜ‫ޱ‬૛ᄾՎ࣑ă ‫ټ‬ཚ୳հ‫! !݆ݛ‬ ๑ᆩ‫ټ‬ཚ୳հഗ੗ీ๟ፌ०‫ڦڇ‬ၿհ‫ݴ‬ဆ‫݆ݛ‬LjኻႴ֪ ଉ၎‫ۉࢅୁۉ‬უժሞᅃ߲ၿհዜྷᆌᆩ቏‫୳ټ‬հഗăස ࡕժ૴֑ᆩ‫୳߲ܠ‬հഗLjሶ੗ᅜཞ้‫ݴ‬ဆ‫߲ܠ‬ၿհăํ ၄ኄዖ‫ڦ݆ݛ‬օየස཮3໯๖Ljຫ௽සူǖ ၟฉຎ‫݆ݛ‬ᅃᄣඓۨएհ‫ڦ‬ዜ೺ăᆯᇀ੗ీࣷ‫ٱ‬฿ ডߛၿհ‫ڦ‬ణՔၿհೕ୲LjᅺُႴᄲ‫ߛ༵ޗٷ‬ኄዖ ֪ଉ‫ڦ‬৛‫܈‬Ljኄᅪ࿆ጣՂႷྺଇ߲၎ीࡗଭ‫ۅ‬ኮक़ ‫้ڦ‬क़୳հ‫ݴ‬ದ߸‫้ܠ‬क़ă ߵ਍एհዜ೺ऺ໙୳հഗဣຕă ሞణՔၿհೕ୲‫ܔ‬၎‫ۉࢅୁۉ‬უ৊ႜ୳հLj඗ࢫऺ ໙၎ᆌ‫ڦ‬ᆶၳኵăኄዖ‫ڦ݆ݛ‬ᅃ߲ඍ‫ۅ‬๟ኻీԍା ၿհ‫܈ޗڦ‬႑တLjܸ࿮݆ԍାඪࢆ၎࿋႑တăᅺُLj ໲࿮݆ऺ໙ၿհࠀ୲Ăࠀ୲ᅺຕࢅၿհ฿ኈă ཮ 2. ํ၄ Goertzel ໙݆໯Ⴔ‫ڦ‬օየ ཮ 3. ํ၄‫ټ‬ཚ୳հ‫ڦ‬օየ Page 176 MS-2223 ጲ๢ᆌํ้॔੦(ARTM) ‫ڦྪۉ‬एհೕ୲੗ీໜጣ้क़ܸ೏ᅎLjසࡕၿհ‫ݴ‬ဆᅏ ీࠕጲ‫߶ۯ‬ጷೕ୲‫ڦ‬ՎࣅLjܸ࿮Ⴔᆩࢽ߅ᇨLjఫ஺ॽ‫ݥ‬ ‫׉‬ᆶ૧ăARTM૶Ⴤࠚ໙एհೕ୲‫ڦ‬੗ీኵLjժॽഄᇑ ‫ۉ‬უ၍ฉ‫ํڦ‬ाೕ୲৊ႜԲডăٗኄዖԲড‫ڦڟڥ‬ඪࢆ ဃֶ‫ॽۼ‬ᆩፕ‫ݒ‬ઍᅺຕLjᅜ༵ߛईই‫ࠚگ‬໙ೕ୲‫ڦ‬ኵă ኄएԨฉ৽๟ARTM‫ڦ‬ጲ๢ᆌᇱ૙ă ߵ਍ࠚ໙‫ڦ‬ೕ୲ईഄኝຕԠೕ୲Lj‫ܔ‬჋ۨ၎‫ۉ‬უࢅ‫ୁۉ‬ ኴႜํ้ೕ೷‫༵ݴׯ‬ൽ‫ײ‬ႾLjׂܸٗิᅃፇᇑࠚ໙ೕ୲ ईഄኝຕԠೕ୲ฉ٪ሞ‫ీڦ‬ଉ‫ׯ‬Բ૩‫ڦ‬ኵă৊ᅃօ‫ڦ‬႑ ࡽ‫ت‬૙੗ᅜ༵ࠃएհईएհኝຕԠೕ୲DŽ๚ํฉ๟ၿ հDžฉ‫ࢅ୲ࠀ้ํڦ‬ᆶၳኵă ‫ܔ‬ᇀෙ၎ဣཥLj௅߲၎‫ۉ‬უ‫ۼ‬ᆶጆᆩ‫܀ڦ‬૬ೕ୲ࠚ໙ ഗăᅺُLjन๑గ߲၎‫ۉ‬უၩ฿Ljᆩࢽධ඗੗ᅜ჋ስଷ ᅃ߲၎࿋ઠࠚ໙‫ڦྪۉ‬ೕ୲LjժॽഄᆩᇀARTM ‫ײ‬Ⴞ ዐă ኝຕԠೕဣຕଳऄ‫ں‬ඓۨᄲ॔੦నᅃ߲ၿհLjഄᆫ‫ۅ‬๟ ੗ᅜॽ໯ᆶDSPऺ໙ጨᇸጆோᆩᇀ॔੦ణՔၿհă၎Բ ኮူLjFFT‫ࠕీ݆ݛ‬ཞ้ऺ໙ೕ೷ዐ‫߲ܠ‬ೕ୲ฉ‫ڦ‬ኵLj ‫ڍ‬ᄲၩࡼ߸‫ܠ‬ጨᇸăྺକํ၄ཞᄣ‫ڦ‬ႠీLj٪‫ئ‬FFT໙ ݆໯ᆩᄣԨႴᄲ‫ڦ‬٪‫ئ‬ഗଉ௽၂‫ٷ‬ᇀԨ࿔༵‫้ํڦ؜‬ ‫݆ݛ‬ă සࡕሞ॔੦గᅃၿհ‫ڦ‬ཞ้ᄺ॔੦एհኵLjఫ஺॔੦ॽ Վ‫߸ڥ‬ᆶၳࢅ߸ᆶᅪᅭǖᆯُՍీऺ໙‫ۉࢅୁۉ‬უᆶၳ ኵ‫ڦݴׯ‬ၿհ฿ኈ(HD)ԲLj޿ኸՔᆶ้Բਨ‫ܔ‬ኵ߸ᆶᅪ ᅭă๚ํฉLjٗ‫ك‬૙ஃႠDSPঙ‫ੂ܈‬Ljኄ๟ᅃዖԥ࠽‫ݘ‬ থ๴‫ࡃڦ‬ᅃࣅຕ਍‫װ‬၄‫݆ݛ‬ăሞ৊ᅃօ‫تڦ‬૙ዐLj‫ܔ‬ᅃ ۨ‫ڦྷݔ‬ၿհኸຕኴႜHDኵ෢௮Ljॽ໯‫ڦڥ‬ኵ၎ेLj Ս੗ऺ໙‫؜‬ጺၿհ฿ኈ(THD)ă ‫أ‬କೕ୲‫܈ޗڦాྷݔ‬ၚᆌᅜྔLj‫د‬ཥ‫ྜڦ‬ኝၿհ‫ݴ‬ဆ ᅏ࣏ᆌ༵ࠃᆶ࠲ᅃۨೕ୲ူ၎࿋ၚᆌ‫ڦ‬႑တăARTMᅜ ऺ໙ࠀ୲ᅺຕ‫ڦ‬ႚ๕༵ࠃ၎࿋႑တLjࠀ୲ᅺຕኸᆶࠀࠀ ୲ᇑ๫ሞࠀ୲ኮԲăARTMऺ໙ᇑएհೕ୲ࢅ߳ၿհೕ ୲၎‫ܔ‬ᆌ‫୲ࠀڦ‬ᅺຕLj‫ܔ‬ᆌᇀएհೕ୲‫୲ࠀڦ‬ᅺຕ৽๟ ໯࿍Đ࿋ᅎࠀ୲ᅺຕđăํ้इ‫ڥ‬ኄၵኵ‫׉ݥ‬ᆶᆩLj੗ ᅜॽഄੂፕ‫ۉ‬ᇸዊଉ‫ڦ‬ඇਆႠኸՔă‫ܔ‬ᇀ๬཮ํ၄੦዆ ࣍ୟLjॽࠀ୲ᅺຕԍ‫׼‬ሞᅃۨ‫ڦాྷݔ‬ဣཥLjኄၵኵᄺ ࢔ᆶᆩă ํ้ऺ໙ᆶࠀĂ࿮ࠀࢅ๫ሞࠀ୲‫ڦ‬ଷᅃ߲ࡻ‫ت‬๟੗ᅜཚ ࡗેेइ‫ڥ‬एհईၿհฉ‫ీڦ‬ଉኵă૧ᆩ޿႑တLjᆩࢽ ੗ᅜ‫ݴ‬ဆጺీࡼሞएհ‫ࢅݴׯ‬ၿհ‫ݴׯ‬ኮक़๟සࢆ‫ݴ‬ ದ‫ڦ‬ă ሞෙ၎ဣཥዐLj༬՚๟ሞ߳ዖ‫ݥ‬၍Ⴀ޶ሜᆅഐෙْၿհ ႾଚDŽෙْၿհ‫ڦ‬ആຕԠຕDž‫ڦ‬൧઄ူLj‫ܔ‬ଭ၍‫ࢅୁۉ‬ ၎‫ୁۉ‬ኮࢅ৊ႜၿհ‫ݴ‬ဆᄺ๟ᆶᅪᅭ‫ڦ‬ăෙْၿհႾଚ ‫ڦ‬৫ၳᆌਏᆶ੗ेႠLjᅺܸଭ၍ፌዕ੗ీࣷ‫׶‬ሜ‫؜ג‬ย ऺኵ‫ୁۉڦ‬Lj‫ڞ‬ዂࡗඤฯ዁ഐआăሞෙ၎ෙঙႚՎუഗ ዐLjෙْၿհႾଚᆅഐ‫ڦ‬თ࣍‫ୁۉ‬੗ీ‫ڞ‬ዂජፇࡗඤLj ܸٗᆅ݀࿚༶ăܸ‫ܔ‬ଭ၍‫ࢅୁۉ‬၎‫ୁۉ‬ኮࢅ‫ڦ‬ၿհ‫ݴׯ‬ ৊ႜ॔੦Lj৽ీӻዺಒ܏๟‫ޏ‬٪ሞኄၵയሞ‫ڦ‬փೝ࢚࿚ ༶ă ጺኮLj੗ᅜຫARTMਏᆶํ้॔੦ई੦዆ဣཥ၎࠲‫ڦ‬໯ ᆶᆫ๞ăܸ൐LjᆯᇀARTMॽ‫ٷ‬և‫ݴ‬DSPጨᇸणዐሞణ Քၿհ‫॔ڦ‬੦ฉLjᅺُၳ୲߸ߛĂႠీ߸ॅă ྺକइ‫ྜڥ‬ኝ‫ڦ‬ၿհೕ೷Lj੗ᅜኴႜೕ୲෢௮ă Page 177 MS-2223 ՗1ጹࢇԲডକԨ࿔໯ຎ‫߳ڦ‬ዖ‫݆ݛ‬ă‫ټ‬ཚ୳հࢅ ARTM੗ᆩઠํ้॔੦एհࢅၿհ‫ݴׯ‬ăසࡕ‫ۉ‬૰၍‫ڦ‬ एհೕ୲݀ิՎࣅLjARTM‫݆ݛ‬ᅙԥኤ௽ీࠕᅜፁࠕߛ ‫ڦ‬৛‫܈‬न้ፔ‫؜‬ၚᆌăᆯᇀႴᄲ٪‫ئ‬ᄣԨLjFFT‫ڦ‬ፌዕ ํ၄‫ݛ‬ӄ቞ᆩ‫ڦ‬٪‫ئ‬ഗ‫ٷ׉ݥ‬Ljഄ໲‫݆ݛ‬ሶ၎‫ړ‬ၭă৽ ঳ࡕ‫ڦ‬৛‫ܸ܈‬ჾLjARTM‫݆ݛ‬๟‫ߛ׉ݥ‬LjGoertzel໙݆ࢅ ‫ټ‬ཚ୳հഗਃዐLjFFTፌ‫گ‬ă ཮ 4. ํ၄ጲ๢ᆌํ้॔੦‫ڦ‬օየ ՗1 ‫݆ݛ‬ ARTM FFT Goertzel ໙݆ ‫ټ‬ཚ୳հ ํ้॔੦ ๟ ‫ޏ‬ ‫ޏ‬ ๟ ጲ๢ᆌ ๟ ‫ޏ‬ ‫ޏ‬ ‫ޏ‬ DSP ٪‫ئ‬ഗᄲ൱ ၭ ‫ٷ׉ݥ‬ ၭ ၭ ၎‫ܔ‬৛‫܈‬ ‫ߛ׉ݥ‬ ‫گ‬ ዐ‫ڪ‬ ዐ‫ڪ‬ ೕ೷ၿհ੺ቷ ๟ ๟ ๟ ‫ޏ‬ One Technology Way • P.O. 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T10182sc-0-10/11(0) Page 178 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2200 ࿮၍዇ీऺଉरຍ ! ፕኁǖCosimo Carriero LjADIࠅິߛप၄‫ׇ‬ᆌᆩ߾‫ײ‬฾ Michele BissantiLjSmart Metering ጺঢ়૙ ०঻ रຍ‫ڦ‬৊օ๑ට்༨༁କऐႁࢅऐ‫ۉ‬๕‫ڦ‬຤Ă‫ۉ‬Ăഘ՗Lj ൽܸ‫پ‬ኮ‫ڦ‬๟ਏԢߛपࠀీ‫ڦ‬ຕጴᅏ՗ăᆛᆶኄၵႎ߾ ਏࢫLjᆩࢽॽӦྃԥ‫ۯ‬ၩट‫ڦ‬ঙ෥LjՎ‫े߸ڥ‬ओटዷ‫ۯ‬Lj ௅߲ට‫ీۼ‬੦዆ጲम‫ڦ‬ၩ‫ݯ‬သ࠹ժ዆ۨ߳ጲ‫ڦ‬ጨᇸব ሀ֧୼ăኄ૛‫࠲ڦ‬॰َ๟Đཚ႑đܾጴă૧ᆩႎ‫ڦ‬रຍLj ࠅᆩ๚ᄽࠅິࢅᆩࢽՍీํ၄၎ࢻࠏཚLj৊ܸਸ‫ظ‬ए‫إ‬ ጨᇸ዇ీࣅ૧ᆩ‫ڦ‬ႎਆ௬ă ዇ీᅏ՗ ๑ᆩ዇ీᅏ՗ਏᆶዮ‫ܠ‬ᆫ๞ăࠅᆩ๚ᄽࠅິీࠕٗጲ‫ۯ‬ ࣅຕ਍๭णዐ๴ᅮLjՆ௨କට߾‫ד‬՗‫ټ‬ઠ‫ڦ‬ටྺֶ‫ٱ‬Lj ժፌዕই‫گ‬ට߾‫ׯ‬ԨăُྔLjৢༀຕ਍๭णՎ‫े߸ڥ‬ඹ ᅟLjᅺܸీࠕํ၄ፌᆫඹଉࡀࣄLjժ؊‫ݴ‬૧ᆩದໃྪă ૧ᆩኑ܏ࢅຨ้ࠤቱॠ֪ࠀీLj࣏੗ᅜਸቛᇨ९Ⴀྼ ࢺLjࠓॺ߸ߛၳĂ߸੗੍‫ڦ‬ದໃྪăُྔLjࠅᆩ๚ᄽࠅ ິ࣏੗ᅜ༵ࠃ߸‫ޜܠ‬ခLj૩සߵ਍ᅃཀዐ‫ڦ‬փཞ้क़܎ ৊ႜํ้ऺ‫ݯ‬ăగၵీᇸ๑ᆩႜྺ੗ᅜླྀ‫ޜڟ׿‬ခ‫ׯ‬Ԩ ড‫้ڦگ‬क़܎Ljኄᄣ़ీඟᆩࢽবูጨূLjᆼీඟࠅᆩ ๚ᄽࠅິᆶၳ࠶૙‫ރ‬ኵႴ൱ă ዇ీᅏ՗૶থ‫ॆڟ‬བྷྪஏኮࢫLjՍీ༵ࠃ࠲ᇀၩ‫ݯ‬သ࠹ ‫ํڦ‬ᆩ႑တLjኄᄣ৽ీକ঴గ߲ဢᅊთ࣍‫ࡼీڦ‬Ăএ࠺ ࢾᇴ໯Ⴔ‫ڦ‬ᆩ຤ଉĂ௅නࠃ౱໯Ⴔ‫ڦ‬ᆩഘଉ‫ڪڪ‬ă‫ܠ‬ၜ ჺ৯՗௽Ljৈೞेഽবీᅪ๎ᅃၜLj৽ీবู20% ई߸ ‫ీڦܠ‬ᇸăၩ‫ݯ‬ኁසࡕᆶऐࣷཚࡗ३ณీᇸ๑ᆩઠবู ጨূLjժइ‫ڥ‬੗ই‫ڦࡼీگ‬रຍLj໱்ᇼᅪ֑ൽႜ‫ۯ‬Lj ժᅺُํ၄ߛ‫ٳ‬50% ‫ీڦ‬ᇸবሀၳᅮă ཮ 1. ዇ీᅏ՗઀཮ Page 179 MS-2200 ዇ీᅏ՗ీࠕ३ณᆩࢽᅃ‫܋‬໯ࡼᆩ‫ڦ‬ए‫إ‬ጨᇸLjই‫ࠅگ‬ ᆩ๚ᄽࠅິᅃ‫ڦ܋‬໦ࡼLjፌዕᆶዺᇀํ၄Đ३ณ༐ಇ‫ݣ‬Ă ඟ‫ں‬൰߸࣍ԍđ‫ڦ‬ణՔă ዇ీᅏ՗‫ڦ‬঳ࠓ ዇ీᅏ՗‫ڦ‬ጺ༹઀཮ස཮1໯๖ăߵ਍Ă຤Ă‫ۉ‬Ăഘऺ ଉ‫ڪ‬ਏ༹ᆌᆩLj੗ᅜԈࡤᅃ߲ई‫߲ܠ‬ᇑമ‫ۉ܋‬ጱጎዃ૶ থ‫ߌدڦ‬ഗĂ‫ۉ‬ᇸLjᅜत၎࠲‫ۉڦ‬ᇸ࠶૙‫ۉ‬ୟĂཚ႑ব ‫ࢅۅ‬ဣཥ࠶૙ྲ੦዆ഗă ੗ᅜ๑ᆩ‫ܠ‬ዖरຍํ၄ྪஏࣅ‫ऺڦ‬ଉဣཥLj඗ܸLjഄዐ ଇዖरຍ቞਍ዷ‫ںڞ‬࿋Ljन࿮၍‫(ײ܌‬SRD) ࢅ‫ۉ‬૰၍ཚ ႑(PLC)ăPLCፕྺ௨‫ۉڦࠃ༵ݯ‬૰၍ሜհLj༬՚๢ᆩᇀ ‫ऺీۉ‬ଉǗ‫ܔ‬ᇀ຤ĂഘऺଉLjᆯᇀඍณ๢ᆩ‫ۉڦ‬૰၍ሜ հLjSRD ‫ړྺׯ‬ඦփඟ‫ڦ‬჋ስăُྔLj຤՗ࢅഘ՗֑ᆩ ‫ۉࠃ׾ۉ‬Ljᅺُࠀࡼ๟ᅃ߲዁࠲ዘᄲ‫ڦ‬ᅺ໎ă ྺକሞࠀࡼࢅཚ႑‫ྷݔ‬ኮक़‫ׯٳ‬ፌॅೝ࢚Ljԛெ‫ڦ‬ᅏ՗ ยऺ฾჋ስsub-GHzೕ܎DŽස915 MHzDž‫ڦ‬࿮၍‫ۉ‬Ljܸ ሞ౹ዞLjణՔೕ܎ྺ868 MHzࢅ433 MHzLjཞ้169 MHz ೕ܎ᄺනᅮ๴‫࠲ڟ‬ጀăُྔLj‫ܠٷ‬ຕᅏ՗዆ሰฆ‫੊ݵݵ‬ ୯2.4 GHzඇ൰௨‫ݯ‬ೕ܎Ǘ඗ܸLjሞߴۨࠀࡼူLjኄၵ ೕ୲‫ڦ‬࿮၍‫ۉ‬ཚ႑ਐ૗‫܌‬ᇀsub-GHz࿮၍‫ۉ‬ă຤՗ࢅഘ ՗ᆯᇀҾጎሞܱଝ‫ৣ࣍ڦ‬ዐ৊ႜRF ‫د‬խDŽස‫ူں‬๪ࢅ‫ں‬ ူ੡۴DžLjᅺُइ‫ڥ‬ড੻‫ڦ‬ཚ႑‫ྷݔ‬዁࠲ዘᄲă ຤ऺଉ—Smart Meteringਸ݀‫ ڦ‬MultiReaderဣཥ ࿮၍‫دײ܌‬๼रຍ‫ڦ‬৊օํ၄କ‫ܔ‬ದ຤ྪ‫॔ڦ‬੦ăࡗ ඁLj॔੦ᆩ຤൧઄ᅈ੍‫ڦ‬๟ຕბఇ႙Ljᅜतሞದ຤ྪ‫ڦ‬ ๼෇‫ࢅ܋‬ᆩࢽথ੨৊ႜଭ႓‫֪ڦ‬ଉăසৃLjᆶକ๢ᆩ‫ڦ‬ ᆘॲLjՍీኴႜཞօ‫ْ֪ܠ‬ଉLj৊ܸీࠕྉ฀࠶૙ದ ຤ྪă ޿ᅏ՗ํ၄କAMR DŽጲ‫דۯ‬՗DžLjփৈీࠕᆩᇀऺ‫ݯ‬Lj ࣏ీॠ֪ྪஏዐ‫ڦ‬໦ࡼăᆯᇀ੗ᅜሞ๼෇‫ࢅ܋‬๼‫܋؜‬৊ ႜཞօܸೕ‫֪ڦݏ‬ଉLjࠅᆩ๚ᄽࠅິ‫ڥ‬ᅜኴႜ௅ሆĂ௅ ዜLjฯ዁๟௅ཀ‫ڦ‬຤ଉᇨ໙ăසُᅃઠLj৽ీ߸ൟ຿‫ں‬ ॔੦ᆯᇀࠤቱई‫݆ݥ‬ᆩ຤ሰ‫ྪڦׯ‬ஏ໦ࡼăࠅᆩ๚ᄽࠅ ິ࣏੗ᅜྺਜ਼ࢽ༵ࠃ߸‫ޜڦܠ‬ခLj૩සཚࡗ॔੦ᅁक़ई ‫ڦ܎้ރߛݥ‬๑ᆩ൧઄ઠॠ֪ᆩࢽྪஏዐ‫ڦ‬໦ࡼă ཚࡗ‫ۉࠃ׾ۉ‬๕࿮၍ྪஏ৊ႜ຤ጨᇸ॔੦๟ᅃၜठ๮ ‫ڦ‬ඪခăᅏ՗Ⴔᄲሞܱଝ‫ৣ࣍ڦ‬ዐ૶Ⴤ߾ፕ‫౎ܠ‬Ljฯ዁ ‫ٳ׊‬10౎ई15౎Ljܸ൐‫ీۉ‬ઠᇸᄺ‫׉ݥ‬ᆶ၌ă‫߅ྔټ‬ඡ ႑ࡽDŽස࿮၍‫ۉࢅۉ‬๫࠽խĂGSM एበDžई‫߅ాټ‬ඡ႑ ࡽDŽසᄫ੦Džࣷ‫ټ‬ઠ‫߅ىۉ‬ඡLjই‫گ‬থ๭ऐ‫ڦ‬ଳ௺‫܈‬Lj ᆶ้࣏ࣷሰ‫ׯ‬থ๭ऐԨว‫ڦ‬ፆ෗ăଷྔLjཀഘཉॲࢅূ ຌ࿿༹DŽසಇ຤࠶ࢅཕռ‫כڦ‬ଈDžᄺࣷᆖၚཀ၍Ⴀీࢅ ࿮၍‫ۉ‬հ‫د‬խăডߛ‫ڦ‬โ‫ࢅ܈‬ඤთ࣍ሶׂࣷิऐႁᆌ૰ ईᆖၚ‫׾ۉ‬Ⴀీă ฉຎᅺ໎‫ࣷۼ‬ᆖၚဣཥ‫ڦ‬ጺ༹੗੍ႠLjժ๑ྼࢺ‫ׯ‬Ԩవ ᅜԍ‫گ׼‬຤ೝă ٗฉຎ߾ፕཉॲ௽၂੗ᅜੂ‫؜‬LjยԢᆌਏԢटߛ‫ڦ‬ଳ௺ ‫܈‬Ă࿘ۨ‫߅ੇڦ‬ඡీ૰ᅜतড‫ࡼࠀڦگ‬ăSmart Metering ‫ܔ‬ᅃဣଚ‫ײ܌‬ยԢ৊ႜକ‫ܔ‬Բ‫ݴ‬ဆLjፌዕਦۨ჋ስADI ࠅິ‫ڦ‬ADF702x ဣଚ࿮၍๭݀ഗLjᅺྺ޿ဣଚׂ೗ሞ஢ ፁฉຎჹ੏ᄲ൱‫ݛ‬௬ਏᆶ࠴ਨ๨‫ڦׇ‬՗၄ă MultiReaderဣཥ Smart Meteringਸ݀କएᇀADF702x ဣଚ‫ڦ‬MultiReader ဣཥDŽ཮2DžLjᅜ஢ፁࠅᆩ๚ᄽࠅິ‫ڦ‬຤ጨᇸ॔੦Ⴔ൱ă ޿ဣཥᆯ຤՗MultiReader-CĂዐीഗMultiReader-Rࢅण ዐഗMultiReader – Gፇ‫ׯ‬ă MultiReader-C๟ᅃ߲‫ऺۉࠃ׾ۉ‬ຕഗLjፌ‫ܠ‬੗૶থෙ߲ ஞ؋݀พटഗॲă޿ᅏ՗੗༵ࠃํ้ᆩ຤൧઄Ăߵ਍ࠦ ۨන૦٪‫ڦئ‬ຕ਍Ljᅜतᆌᆩ༬ۨ໙݆‫ت‬૙‫֪ڦ‬ଉຕ ਍ăฉຎࠀీํ၄କ‫ܠ‬ၜ‫ޜ‬ခLj૩සփཞ࿋ዃ‫ڦ‬ཞօ֪ ଉĂӀࡀ้ۨक़क़༵߰ࠃࡼ຤ຕ਍LjᅜतԒߢഄ໱ᆶॏ ኵ‫ڦ‬႑တLjස࣮ୁĂऺຕഗ࠲Կࢅፌዕᆩࢽ໦ࡼ‫ڪڪ‬ă Page 180 MS-2200 ཮ 2. MultiReaderဣཥ ཮ 4. MultiReader-Rዐीഗ MultiReader-R๟ᅃ߲‫ۉࠃ׾ۉ‬ዐीഗLjཚ‫׉‬Ҿጎሞ‫ۉ‬၍ ߇ฉLjᆩᇀકቛ‫߲ڇ‬ᅏ՗‫ڦ‬ཚ႑‫ྷݔ‬ă޿ዐीഗీᇑᅏ ՗Ăഄ໱ዐीഗᅜतणዐഗํ၄ཚ႑ă MultiReader-G๭णઠጲᅏ՗‫ڦ‬ຕ਍LjժీࠕཚࡗGSM ྪ ஏᇑዐᄕ঍࣑ਆํ၄ཚ႑ă ᄲ‫ܔ‬੗੍‫ڦ‬࿮၍຤ऺଉྪஏ৊ႜҾጎࢅྼࢺLjႴᄲਏԢ ᆘॲĂ෉ॲࢅဣཥ࠶૙ీ૰LjܸSmart Meteringᅙሞ‫׊‬೺ ํ७ዐ݀ቛକኄዖీ૰ă ཮3໯๖ྺMultiReader-C‫ڇ‬ᇮጎዃLjഄዐ௅߲‫ڇ‬ᇮᇑෙ ߲ஞ؋݀พटഗॲ၎૶ă཮4໯๖ྺҾጎሞ‫ۉ‬၍߇ฉ‫ڦ‬ ዐीഗă ADI ‫ ڦ‬ISM ೕ܎๭݀ഗरຍ ADI‫ڦ‬SRD ๭݀ഗ੗ᅜޮ߃75 MHz዁1 GHz‫ڦ‬ೕ܎ăፌ ๴࣌ᆓ‫ڦ‬ഗॲԈઔADF7020 ዐೕ๭݀ഗDŽ100 kHz዁200 kHzLjຕ਍໏୲ፌߛ੗‫ٳ‬200 kbpsDžĂADF7021 ቏‫ټ‬๭݀ ഗDŽ9 kHz዁25 kHzLjຕ਍໏୲ፌߛ੗32 kbpsDžतഄᄆ ิׂ೗ăଳऄႠ๟ኄၵഗॲ‫ڦ‬ዷᄲ༬ႠኮᅃăྺକሞႠ ీࢅࠀࡼኮक़‫ׯٳ‬ፌॅೝ࢚Lj੗ᅜ‫ܠܔ‬ዖ֖ຕ৊ႜՊ ‫ײ‬ăኄၵ๭݀ഗ༵ࠃକASK ĂFSK ĂOOKĂGFSK ĂMSK ۙ዆‫ݛ‬ӄĂ-16 dBm዁+13 dBm‫ڦాྷݔ‬੗Պ‫ײ‬๼‫ࠀ؜‬ ୲LjᅜतႹ‫ܠ‬๢ᆩᇀ‫گ‬ሯำമዃ‫ٷݣ‬ഗ(LNA)‫ڦ‬Պ‫ײ‬჋ ၜLj੗ሞଳ௺‫܈‬Ă၍Ⴀ‫ࡼࠀࢅ܈‬ኮक़৊ႜ඄࢚ൽปăֶ ‫ݴ‬LNA ๼෇पĂࠀ୲‫ٷݣ‬ഗ(PA)ၽೢ੦዆ᅜतߛຯࢅื ᇆ၀ຕ਍୳հ਩੗ԍኤഗॲሞްሗ‫ৣ࣍ىۉڦ‬ዐኟ‫׉‬ ߾ፕă ཞᅃဣଚዐ‫ڦ‬ADF7023 ഴ෇କᅃ߲8࿋ཚ႑‫ت‬૙ഗLjᅜ ༵ࠃຕ਍Ԉ‫ت‬૙Ă࿮၍‫ۉ‬੦዆ࢅ዇ీ࣓ႝఇ๕ࠀీă޿ ཚ႑‫ت‬૙ഗཚࡗण‫ׯ‬ᅃ߲‫ۆ‬႙ཚ႑ၹᅱܑቝ‫֫گڦ‬Lj३ ൟକದ༫‫ت‬૙ഗ‫تڦ‬૙޶‫څ‬ă ཮ 3. MultiReader-C ෙ߲๼෇‫ڇ‬ᇮ Page 181 MS-2200 ጨᇸ ᇡକ঴ADIీᇸ঴ਦ‫ݛ‬ӄ‫ၘܠ߸ڦ‬൧Lj൩៓બ www.analog.com/cn/energy Ԩ࿔༵‫ׂڦڟ‬೗ ׂ೗ ௮ຎ ADF7020 ISMೕ܎๭݀ഗIC ADF7021 ߛႠీ቏‫ټ‬ISM ๭݀ഗIC ADF7023 ߛႠీĂ‫ࡼࠀگ‬ISMೕ܎ FSK/GFSK/OOK/MSK/GMSK ๭݀ഗIC One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com Trademarks and registered trademarks are the property of their respective owners. T10132sc-0-10/11 Page 182 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2544 . ADSP-CM403 Sinc—໿ᄞీᆌ ᆩዐ‫߰ڦ‬૗֪ଉ ፕኁǖMartin Murnane ADI໿ᄞీ࠼‫ۉ݀ޚ‬ဣཥ martin.murnane@analog.com ०঻ ໿ᄞీᆌᆩዐ‫ۉڦ‬უࢅ‫֪ୁۉ‬ଉႴ֑ᆩ߰૗֪ଉरຍă DSP Sinc๼෇ᅜतADI AD7401A߰૗๕ADCടࡻ༵ࠃADI ႑ࡽ૾‫ڦ‬ᅃ߲๖૩Ljํ၄ኄዖ߰૗֪ଉă Ԩ࿔঻ถ֑ᆩADSP-CM403xyࢅAD7401AഗॲLjժᆯ ADIยऺ‫֪ڦ‬ଉᆌᆩ‫ۆ‬႙႑ࡽ૾ă ໿ᄞీ࠼‫ొޚ‬Վഗဣཥ ໿ᄞీ࠼‫ొޚ‬Վഗገ࣑ઠጲ໿ᄞీ௬ӱ‫ీۉڦ‬ժߛၳ‫ں‬ ॽഄևຈ‫ࠅڟ‬ᆩ‫ྪۉ‬ዐăઠጲ໿ᄞీ௬ӱ‫ీۉڦ‬एԨฉ ຌᇀ኱ୁᇸLj໲ࣷԥገ࣑‫ׯ‬঍ୁLjժᇑ‫ྪۉ‬ೕ୲‫ׯ‬ᅃۨ 5V AD7104 ARC DETECTION 15V ADuM3472 3V AD7104 30V/8.5A (MPPT) AD391 ADA4381 ‫ڦ‬၎࿋࠲ဣLjઍໃ዁ࠅᆩ‫ྪۉ‬ฉLj൐ၳ୲टߛăገ࣑੗ ᅜ֑ᆩ‫ڇ‬पLjᄺ੗ᅜ֑ᆩ‫ܠ‬प)९཮1*ă‫ڼ‬1पཚ‫ྺ׉‬ DC-DCገ࣑Ljഄዐ໿ᄞీ௬ӱ‫ۉگڦ‬უᇑߛ‫ୁۉ‬๼‫؜‬ገ ࣑ྺߛ‫ۉ‬უᇑ‫ୁۉگ‬ăኄᄣፔ‫ڦ‬ణ‫ڦ‬๟ྺକॽ‫ۉ‬უ༵ื ዁ᇑ‫ރྪۉ‬ኵ‫ۉ‬უग़ඹ‫ڦ‬຤ೝă‫ڼ‬2पཚ‫ॽ׉‬኱ୁ‫ۉ‬უ ࢅ‫ୁۉ‬ገ࣑ྺ঍ୁ‫ۉ‬უࢅ‫ୁۉ‬Ljᅃӯ๑ᆩH-‫ൃۉ‬ྊ೫ă ADC૙ஃ—AD7401A AD7401A๟ᅃ੼ܾ঩Σ-Δۙ዆ഗLjೌฉ‫ڦ‬ຕጴ߰૗֑ᆩ ADIࠅິ‫ڦ‬iCoupler®रຍLjీॽఇె๼෇႑ࡽገ࣑ྺߛ ໏1࿋ຕ਍ୁăAD7401A֑ᆩ5 V‫ۉ‬ᇸࠃ‫ۉ‬Lj੗๼෇±250 mV ‫ݴֶڦ‬႑ࡽ)஢ଉ‫ײ‬±320 mV*ăఇెۙ዆ഗ‫ܔ‬ఇె๼෇႑ ࡽ૶Ⴤ֑ᄣLjᅺܸ࿮Ⴔྔև֑ᄣԍ‫ۉ׼‬ୟă๼෇႑တᅜ ຕ਍ୁ௢‫ڦ܈‬ႚ๕Ԉࡤሞ๼‫؜‬ຕ਍ୁాLj޿ຕ਍ୁ‫ڦ‬ፌ ߛຕ਍໏୲੗‫ڟ‬20 MHzăཚࡗ๢‫ڦړ‬ຕጴ୳հഗ)‫ྺ׬‬ Sinc୳հഗ*੗ዘࠓᇱ๔႑တă‫ت‬૙ഗ֨)‫߰ݥ‬૗*੗֑ᆩ 5 Vई3 V‫ۉ‬ᇸ(VDD2)ă DC LINK+ HIGH LEFT FET DRIVER HIGH RIGHT FET DRIVER DC LINK– GaN 50kHz TMP36 TMP05 LOW LEFT FET DRIVER LOW RIGHT FET DRIVER AC INT LIVE AD8512 AD8639 MAINS FILTER MANUAL DISCONNECT AC OUT LIVE AC OUT NEUTRAL AC OUT EARTH-3 AD8656 AD8656 ADuM4223 ADP3654 ADF7023 AD7401 ADuM6202 ADuM4223 ADuM4223 AD7401 ADuM6202 AD7401 ADuM6202 WOSMRiGmAKTUuBLIliEAnNkBC®®H RS-232 ADP 3202 ADP 1864 ADP 1715 COMMUNICATION AND LOCAL POWER UART I2C PWM GPIO SRAM FLASH CPU SINC M ADC U X JTAG SPRT SPI PLC ཮1. ໿ᄞీ࠼‫ొޚ‬Վഗ႑ࡽ૾(ADIࠅິ) Page 183 MS-2544 ๖૩‫ۉ‬ୟ – ௮ຎ ཮2. ߰૗๕‫ۉ‬უ‫ۉ‬ୟ Σ-Δۙ዆ഗ‫ڦ‬঍ୁ๼෇๟ᅃ߲঍ୁኟ၀հLj՗๖‫ڇ‬၎‫ྪۉ‬ ሞADC‫ူڦ‬၌‫ాྷݔ‬Lj๼෇႑ࡽਏᆶ቏ஞ؋੻‫܈‬Ljܸሞ ݀‫ڦ؜‬220 V rms႑ࡽă‫ۉ‬ፆ‫ݴ‬ೕഗॽ๼෇‫ྷݔ‬໫ၭ‫ڟ‬ADC ฉ၌‫ాྷݔ‬ஞ؋੻‫܈‬बࢭ‫ڟٳ‬ഄፌ‫ٷ‬ኵă๼‫؜‬ຕ਍ཚࡗ ‫ۨܮڦ‬๼෇‫ྷݔ‬ă๼෇୳հഗ੗ই‫گ‬๼෇‫ڦ܋‬ሯำă Sinc୳հഗࢫLjՍස‫ܔ‬ঙ၍໯๖ăAD7401A߾ፕ‫ۉ‬უߛ Σ-Δۙ዆ഗ๼‫؜‬Ԉࡤଇ߲႑ࡽǖઠጲADSP-CM403xy DSP‫ت‬૙ഗ‫ߛڦ‬໏้ዓ๼෇Ljᅜतԍ‫ۙ׼‬዆ຕ਍‫ڦ‬ຕ਍ ႑ࡽă޿ຕ਍੗኱থ๼෇Sinc3୳հഗLj኱থॽຕ਍ገ ‫ٳ‬891 V‫ڇ‬टႠ‫ྷݔ‬Ljई565 VມटႠ‫ྷݔ‬Ljժ࢙ੵ߰૗ ቆǖ20μm਋ḅჱӃă߸‫ܠ‬ᆶ࠲ኄၵాඹ‫ڦ‬႑တᅜत߳ ዖණኤ੗ሞ၎࠲ຕ਍๮֩ዐቴ‫ڟ‬ă ࣑ྺADC঳ࡕăူ࿔၂๖޿ຕ਍‫ڦ‬ᅃ߲๖૩ă ཮3. ۙ዆ഗ๖૩ຕ਍ Page 184 ADSP-CM403XY SINC3ྔยఇ੷ MS-2544 ‫ܔ‬ᇀDR=256‫ڦ‬൧઄ܸჾLjSinc3୳հഗ‫ڦ‬ၚᆌ९ူ࿔ዐ ‫཮ڦ‬5aࢅ5bă ཮4. ADSP-CM403 Sincྔย઀཮ ઀཮၂๖4‫ܔ‬Sinc୳հഗ(Sinc0዁Sinc3*Ă2߲ۙ዆ഗ้ዓ ᇸࢅ2ፇ੦዆स٪ഗ)‫ڇ‬ᇮ*ăఇ੷থ๴4ୟઠጲGPIO๼ ෇ᆅগ‫ڦ‬Σ-Δ࿋ୁLjժॽ2߲ۙ዆ഗ้ዓᇸ‫෇ڞ‬GPIO๼ ‫؜‬ᆅগăஞ؋੻‫ۙ܈‬዆(PWM)႑ࡽ๑ۙ዆ഗ้ዓཞ օLjᅜइ‫ڥ‬ፌॅ‫ڦ‬ဣཥႠీă௅߲Sinc୳հഗ‫ܔ‬਩Ԉࡤ ‫؛‬प୳հഗĂْप୳հഗĂDMAথ੨ࢅࡗሜ၌ኵॠ֪ ࠀీă‫؛‬पSinc୳հഗཚࡗDMAॽഄຕ਍‫د‬๼዁٪‫ئ‬ ഗăْपSinc୳հഗׂิࡗሜ႑ࡽLj੗ཚࡗ‫݀ة‬ୟᆯ‫ڇ‬ ᇮ(TRU)ୟᆯ޿႑ࡽLj๑PWMۙ዆ഗׂิཌՎLjิ‫ׯ‬ ዐ܏ă ๑ᆩAD7401A้Ljഗॲ‫؏ۨܮ‬ൽ໏୲(DR)ྺ256Lj‫ڍ‬ᄺ ੗ሞഄ໱؏ൽ໏୲ူ๑ᆩ޿ഗॲă ཮5. (a) Sinc3؏ൽ໏୲=256 (b)ఇ੷ሯ‫ڹ‬ ຕጴ୳հഗ Sinc୳հഗ‫ࡧڿدڦ‬ຕ๑ഄీᆩሞຕጴஇडዐ)๑ᆩᅃဣ ଚ൱ࢅᇑ؏ൽࡧຕ*ă๑ᆩ୳հഗᅎ‫ۙأ‬዆ഗ֑ᄣ้ ዓLj࣬ް֑ᄣ႑ࡽ‫ڦ‬ຕጴኵă୳հഗยऺ೅ದມटႠ Σ-Δۙ዆ഗLj0 V๼෇ူਏᆶ50%ஞ؋௢‫܈‬Ljኟ๼෇้‫ג‬ ࡗ50%Ljܸ޶๼෇้փፁ50%Ljස཮6໯๖ă ຕጴ୳հഗ๟ᅃፇેेഗLjᆯۙ዆ഗ้ዓ(M_CLK)ൻ ‫ۯ‬Ljࢫথᅃፇᆯ؏ൽ้ዓ(D_CLK)ൻ‫ݴྲڦۯ‬ഗă ๼෇ ેेഗॽ๼෇࿋ୁገ࣑ྺ‫ܠ‬ጴবጴLjܸ๼‫ݴྲ؜‬ഗइൽ ࿋ୁ‫ڦ‬਩ኵ1௢‫܈‬ă ཮6. ADSP-CM403 Sinc୳հഗ઀཮ Page 185 MS-2544 ેेഗࢅྲ‫ݴ‬ഗ‫ڦ‬पຕ੗ᅜྺ3ई4Ljਏ༹ൽਦᇀ୳հഗ ঩ຕă୳հഗ‫ڦ‬኱ୁሺᅮࢅ‫୳ྺ੻ټ‬հഗ঩ຕ(O)ࢅ؏ ൽ໏୲(D)‫ࡧڦ‬ຕLjनۙ዆ഗ้ዓᇑ؏ൽ้ዓ‫ڦ‬Բኵă Sinc୳հഗ‫ࡧڿد‬ຕᆯેेഗᇑྲ‫ݴ‬ഗ‫ࡧڿدڦ‬ຕኮओ ඓۨLjZᇘా‫ڦ‬՗‫ٳ‬๕ྺǖ PWMࢅSINCຕ਍‫ܔ‬ഋ Sincྔย้ዓࢅPWMԨዊฉሏႜሞཞᄣ‫ڦ‬ADSP-CM403 ဣཥ้ዓူLj‫ۆ‬႙ኵྺ100 MHzăPWMࢅSinc੗ᅜཞօ ᅜՍ༵ࠃຕ਍Ljժ൐้क़ᇑ໏୲ടࡻࢅ੦዆໙݆ᅃዂă ཚ‫׉‬ᇑPWM‫ۉ‬ೝհႚ‫ܔ‬ഋăူ཮၂๖๑ᆩSinc๼෇৊ ႜ‫ྪۉ‬ཞօ໯Ⴔ้Ⴞ‫ڦ‬๖૩ă‫ړ‬PWMሏႜሞ20 kHz (50 μs) ้LjPWM_SYNC႑ࡽ)ཞօփཞDSP‫ڦ‬PWMఇ੷ईྔև PWM้Ⴔᄲᆩ‫޿ڟ‬႑ࡽ*࿋ᇀPWMհႚዐᄕLjबࢭփ ݀ิൎ࣑ăැᄲ‫ܔ‬ഋSincຕ਍LjሶAD7401A‫้ڦ‬ዓ໏୲ ᆌยྺ10.24 MHzLjժ൐؏ൽ໏୲ྺ256)९AD7401Aຕ਍ ๮֩*ăኄॽׂิ40 KHz (50μs)‫ڦ‬16࿋ጴ໏୲LjଇԠᇀPWM ೕ୲ăᆯᇀSinc࣏੗ยྺᇑPWM_SYNC๼‫ܔ؜‬ഋ)සူ ઀཮໯๖*LjSinc၄ሞీሞ௅߲PWMዜ೺ాׂิଇ߲ຕ ਍ ๼ ‫ ؜‬ă ๼ ‫ ؜‬ጴ ሞ SRAMዐ ੗ ᆩ Lj ࿋ ዃ ሞ ူ ᅃ ߲ PWM_SYNC႑ࡽ࿋ዃ‫ت‬ă၂඗Lj໲ຫ௽Sincຕ਍੗ᆩ ᇀ‫ྪۉ‬ཞօ໙݆੦዆ዐă ཮7. PWMᇑSincྔย‫ܔ‬ഋ(ADSP-CM403) Page 186 Պ‫ײ‬๖૩ /* SPECIFY DECIMATION RATE OPTIONS */ /* 256 */ // RESULT = ADI_SINC_SETRATECONTROL (DEV, ADI_SINC_GROUP_0, ADI_SINC_FILTER_PRIMARY,DECRATE_256, 0); // RESULT = ADI_SINC_SETLEVELCONTROL (DEV, ADI_SINC_GROUP_0, 0, 0, SAMPLECOUNT_INTRATE, PSCALE_256); // PCINT INT RATE /* 128 */ RESULT = ADI_SINC_SETLEVELCONTROL (DEV, ADI_SINC_GROUP_0, 0, 0, SAMPLECOUNT_INTRATE, PSCALE_128); RESULT = ADI_SINC_SETRATECONTROL (DEV, ADI_SINC_GROUP_0, ADI_SINC_FILTER_PRIMARY,DECRATE_128, 0); // PCINT INT RATE /* 64 */ RESULT = ADI_SINC_SETLEVELCONTROL (DEV, ADI_SINC_GROUP_0, 0, 0, SAMPLECOUNT_INTRATE, PSCALE_64); // PCINT INT RATE RESULT = ADI_SINC_SETRATECONTROL (DEV, ADI_SINC_GROUP_0, ADI_SINC_FILTER_PRIMARY,DECRATE_64, 0); MS-2544 /* SET SECONDARY RATE CONTROL “/ RESULT = ADI_SINC_SETRATECONTROL (DEV, ADI_SINC_GROUP_0, ADI_SINC_FILTER_SECONDARY, 8, 0); RESULT = ADI_SINC_SETFILTERORDER (DEV, ADI_SINC_GROUP_0, ADI_SINC_FILTER_THIRD_ORDER, ADI_SINC_FILTER_THIRD_ORDER); RESULT = ADI_SINC_SETCIRCBUFFER(DEV, ADI_SINC_GROUP_0, SINC_CIRCBUFFER, CIRC_BUF_SIZE); /* SET OVERLOAD AMPLITUDE DETECTION LIMITS TO 0 – FULLSCALE */ RESULT = ADI_SINC_SETAMPLITUDELIMIT (DEV, ADI_SINC_PAIR_0, 0X0000, 0XFFFF); RESULT = ADI_SINC_SETAMPLITUDELIMIT (DEV, ADI_SINC_PAIR_1, 0X0000, 0XFFFF); RESULT = ADI_SINC_SETAMPLITUDELIMIT (DEV, ADI_SINC_PAIR_2, 0X0000, 0XFFFF); RESULT = ADI_SINC_SETAMPLITUDELIMIT (DEV, ADI_SINC_PAIR_3, 0X0000, 0XFFFF); /* SPECIFY MODULATOR CLOCK FREQUENCY, PHASE & STARTUP SYNCHRONIZATION */ RESULT = ADI_SINC_CONFIGMODCLOCK (DEV, ADI_SINC_GROUP_0, FSYSCLK, MODCLK, 0, FALSE); // UP TO 20MHZ /* IT’S THE SAME CLOCK AS THE PWM – SO PWM AND SINC ARE SYNCHRONOUS */ RESULT = ADI_SINC_ENABLEMODCLOCK (DEV, ADI_SINC_GROUP_0, ADI_SINC_MOD_CLK_IMMEDIATE ); /* ASSIGN BUFFERS TO RECEIVE SINC DATA - AUTOMATICALLY DMA’D INTO SRAM IN THE ADSP-CM403*/ RESULT = ADI_SINC_SUBMITBUFFER(DEV, ADI_SINC_GROUP_0, SINCDATA0, NUM_SAMPLES); /* ROUTE THE TRU INTERRUPT */ RESULT = ADI_SINC_ENABLEDATAINTERRUPT (DEV, ADI_SINC_GROUP_0, ADI_SINC_DATA_INT_0, TRUE); /* ENABLE & ASSIGN USED SINC FILTER PAIR, AND SPECIFY INTERRUPT MASKS */ RESULT = ADI_SINC_SETCONTROLINTMASK (DEV, ADI_SINC_INT_EPCNT0|ADI_SINC_INT_EFOVF0|ADI_SINC_INT_EPCNT1|ADI_SINC_INT_EFOVF1); RESULT = ADI_SINC_ENABLEPAIR(DEV, ADI_SINC_PAIR_0, ADI_SINC_GROUP_0, TRUE); // ACV_EXTERNAL RESULT = ADI_SINC_ENABLEPAIR(DEV, ADI_SINC_PAIR_1, ADI_SINC_GROUP_0, TRUE); // ACV_INTERNAL RESULT = ADI_SINC_ENABLEPAIR(DEV, ADI_SINC_PAIR_2, ADI_SINC_GROUP_0, TRUE); // DC LINK RESULT = ADI_SINC_ENABLEPAIR(DEV, ADI_SINC_PAIR_3, ADI_SINC_GROUP_0, TRUE); // AC_CURRENT /* WAIT AND READ FULL SINE WAVE INTO SRAM – START NEAR AC CROSSOVER. */ DO { PWM_SINC_LOOP=0; GET_ADC_DATA_PWM(); } WHILE ((SINC_VEXT_DATA[0] > 50) || (SINC_VEXT_DATA[0] < -50)) ; // START SINC AT 0 V MEASUREMENT - ALIGNS WITH SINEWAVE. One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA11827sc-0-9/13 Page 187 www.analog.com/cn ©2013 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . ADSP-CM403 HAEሞ໿ᄞీᆌ ᆩዐ‫ڦ‬ၿհ‫ݴ‬ဆ ፕኁǖMartin Murnane ADI໿ᄞీ࠼‫ۉ݀ޚ‬ဣཥ martin.murnane@analog.com ०঻ ໿ᄞీ࠼‫ొޚ‬Վഗገ࣑ઠጲ໿ᄞీ௬ӱ‫ీۉڦ‬ժߛၳ‫ں‬ ॽഄևຈ‫ࠅڟ‬ᆩ‫ྪۉ‬ዐăራ೺໿ᄞీPVొՎഗኻ๟ॽ ‫ీۉ‬ገ‫ࠅڟئ‬ᆩ‫ڦྪۉ‬ఇ੷ă‫ڍ‬๟Ljႎยऺᄲ൱໿ᄞీ ࠼‫ొޚ‬Վഗ‫ڦྪۉܔ‬࿘ۨႠፕ‫ࠋ؜‬၅ă Ԩ࿔ॽ࣮ࠥፌႎ‫ڦ‬ADIरຍසࢆᅜHAE)ၿհ‫ݴ‬ဆᆅ൤* ‫ݛڦ‬๕߀฀዇ీ‫ڦྪۉ‬ण‫܈ׯ‬Ljժ॔੦‫ྪۉ‬ฉ‫ۉڦ‬ᇸዊ ଉLjܸٗट‫ںٷ‬ሺഽ‫ྪۉ‬࿘ۨă ዇ీ‫ྪۉ‬ ๊஺๟዇ీ‫ྪۉ‬ǛIMS Researchॽ዇ీ‫ۨྪۉ‬ᅭྺ“ᅃዖ ጲวీࠕߛၳ೅ದࢅ࠶૙݀‫ࢅۉ‬ᆩ‫ۉ‬ժ੗ፌ‫ں܈ײٷ‬૧ ᆩ߳ዖ੗ᆩጨᇸ‫ࠅڦ‬ᆩࠃ‫ۉ‬ए‫إ‬ยแ”ăැᄲॽႎᅃ‫پ‬ ໿ᄞీ࠼‫ొޚ‬Վഗথ෇዇ీ‫ྪۉ‬LjሶొՎഗႴᄲሁઠሁ ߛ‫ڦ‬዇ీ‫ํీ֍܈ײ‬၄ăኄԨว৽๟ᅃ߲వ༶Ljዷᄲ๟ ᅺྺ‫ۉړ‬૰Ⴔ൱ሞ՚‫้ت‬Ljُ‫ت‬ඐ૶থକࡗ‫ྪۉڦܠ‬Lj ܸٗ݀ิփೝ࢚ăएᇀኄ߲ᇱᅺLjසമ࿔໯ຎLj໿ᄞీ ࠼‫ొޚ‬ՎഗႴᄲਏԢ߸ߛ‫ڦ‬዇ీ‫܈ײ‬Ljժ൐ኄዖ዇ీᆌ ֨ዘᇀ‫ྪۉ‬ण‫ׯ‬LjഄዐဣཥႴၹዺ࿘ۨ‫ྪۉ‬Ljܸ‫ݥ‬ፕྺ ‫ڦྪۉ‬ᅃ߲०‫ۉڇ‬ᇸ๑ᆩă V (VOLTAGE) HPF HARMONIC ANALYZER (SIGNAL PROCESSING ARCHITECHTURE) FREQUENCY DETECTOR V_RMS HPF I (CURRENT) IDX_01 IDX_12 ..... DDIISSCCRREETTEE HHAARRMMOONNIICC CCOOMMPPOONNEENNTTSS EEXXTTRRAACCTTIIOONN I_RMS ACT_PWR REACT_PWR × 12 + 1 ཮1. ADSP-CM403 HAE઀཮(ADIࠅິ) रຍ࿔ቤ MS-2543 ኄᄲ൱߸ࡻ‫ܔں‬ጀ෇‫ీۉڦྪۉ‬৊ႜ֪ଉĂ੦዆ࢅዊଉ ‫ݴ‬ဆă‫ړ‬඗Ljኄࣷٝ‫ׯ‬ႎኸସ‫݀ڦ‬քᅜत߸ߛ‫ڦ‬रຍᄲ ൱Lj৊ܸ኱থ‫ڞ‬ዂႎरຍ‫ิׂڦ‬ă ADSP-CM403XY HAEྔยఇ੷ HAEఇ੷Ԩዊฉ๟ᅃ߲ຕጴPLLLjഄ०ࣅᇱ૙཮සူ཮ ໯๖ăHAE૶Ⴤথ๭VࢅIຕ਍Ljժ൐ຕ߲ዜ೺ࢫॽ໮ۨ ዁๼෇հႚ‫ڦ‬एհăHAEఇ੷‫ڦ‬๼෇‫ྺྷݔ‬45 Hz዁66 Hză ፌ‫ܠ‬੗‫ݴ‬ဆ40߲ၿհLj௅ْ12߲ă‫ܔ‬ᇀ௅߲ၿհLjPLL ࣷ๬཮໮ۨ዁໯Ⴔ‫ڦ‬႑ࡽೕ୲ă V (k × dt) PHASE DETECTOR FREQUENCY CONTROL AND LOOP FILTER DCO (OSCILLATOR) ཮2. HAE०ࣅຕጴPLL ၿհᆅ൤ᆘॲఇ੷ᇑၿհ‫ݴ‬ဆᅏࠌཞ‫ت‬૙঳ࡕăᆯᇀၿ հᆅ൤ׂิ‫ڦ‬঳ࡕྺፌዕ߭๕Ljኄၵ঳ࡕຕ਍ԍ٪ሞ঳ ࡕ٪‫ئ‬ഗዐăHAEᆅ൤ሞ࿮ປ३‫ڦ‬2.8 kHzཚ‫ऺాټ‬໙ၿ հ႑တ)၎‫ړ‬ᇀ3.3 kHz‫ڦ‬-3 dB‫*੻ټ‬Ljᆩᇀ45 Hz዁66 Hz ‫ڦాྷݔ‬၍ୟೕ୲ă (CIC + IIR4) COMPOSITE FREQUENCY RESPONSE FOR 2k (RED) vs. 3k (BLUE) COEFFICIENT 0 −10 −20 −30 −40 −50 −60 −70 2k 4k 6k 8k 10k 12k 14k ཮3. HAEཚ‫ټ‬ೕ୲ ཞ้੗๑ᆩ၎‫ࢅୁۉ‬ઠ‫ݴ‬ဆଭ၍‫ୁۉ‬ăሞႎ֑ᄣዜ೺‫ڦ‬ ፌ‫้؛‬ਗ਼Ljၿհᆅ൤ሞࡤᆶຕ਍RAMా‫ڦ‬ᇨۨᅭ࿋ዃ თ࣍Lj޿ຕ਍RAMࡤᆶ‫ݴ‬ဆᅏ‫ت‬૙঳ࡕăැᆶႴᄲLj ాඹ੗৊ᅃօ‫ت‬૙ă Page 188 MS-2543 ‫ۉ‬უࢅ‫ୁۉ‬ຕ਍੗ઠጲSincఇ੷ईADC)ଇኁ਩٪‫ئ‬ሞ SRAMዐ*Ljժ๼෇዁HAEఇ੷Lj໏୲ྺ8 kHză޿໏୲ူ ੗ׂิᅃ߲ዐ܏Lj༵๖໿ᄞీ࠼‫ొޚ‬Վഗ๼෇੗ᆩຕ ਍ă৊ႜຕ਍‫ݴ‬ဆժኴႜူଚऺ໙้LjHAEఇ੷ॽׂิ ଷᅃْዐ܏Lj༵๖໿ᄞీ࠼‫ޚ‬ဣཥጚԢ၂๖ၿհ‫ݴ‬ဆຕ ਍ăADSP-CM403࣏੗ॽHAE዁DMA‫ڦ‬ඇև঳ࡕຕ਍ ኱থ‫د‬๼዁SRAMLjኮࢫဣཥ‫پ‬ஓՍ੗၂๖঳ࡕăኄࣷ ‫ڞ‬ዂኝ߲HAEဣཥ‫ڦ‬ณႹ‫پ‬ஓਸၨă ADSP-CM403XY HAE঳ࡕ ཮4ዐ‫ڦ‬HAE঳ࡕൣ‫ؤ‬՗௽࠵ִ‫ۉ‬უ਩‫ߵݛ‬ຕ਍้Ljဣ ཥዐ٪ሞనၵၿհă཮ዐ50 Hzएհൣည੗९Lj‫ڍ‬250 Hz ࢅ350 Hz‫ڦت‬ড‫گ‬ၿհ)සၿհ5ࢅ7*ᅨ੗ሞԨ๖૩঳ࡕዐ ੂ‫ڟ‬ă ՗1. HAEຕბऺ໙ ཮4. HAE‫ڦ‬V rms๖૩঳ࡕ(ၿհ1-12) ኄၵऺ໙ዐ֑ᆩ‫ڦ‬༬ۨ‫ڪ‬๕සူ໯๖Ǘူଚ‫ڪ‬๕ཞ้๢ ᆩᇀएհࢅၿհऺ໙ă Page 189 Պ‫ײ‬๖૩ INT HAE_CONFIG(VOID) { INT I; HAE_INPUT_DATA(VOUTPUT, SINC_VEXT_DATA); HAE_INPUT_DATA(IOUTPUT, SINC_IMEAS_DATA); RESULT = ADI_HAE_OPEN(DEVNUM, DEVMEMORY, MEMORY_SIZE, &DEV); RESULT = ADI_HAE_REGISTERCALLBACK(DEV, HAECALLBACK, 0); RESULT = ADI_HAE_SELECTLINEFREQ(DEV, ADI_HAE_LINE_FREQ_50); RESULT = ADI_HAE_CONFIGRESULTS(DEV, ADI_HAE_RESULT_MODE_IMMEDIATE, ADI_HAE_SETTLE_TIME_512, RESULT = ADI_HAE_SETVOLTAGELEVEL (DEV, 1.0); RESULT = ADI_HAE_ENABLEINPUTPROCESSING(DEV, FALSE, FALSE); /* FILTER ENABLED */ /* ENABLE ALL HARMONICS (IN ORDER) */ RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_1, 1); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_2, 2); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_3, 3); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_4, 4); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_5, 5); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_6, 6); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_7, 7); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_8, 8); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_9, 9); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_10, 10); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_11, 11); RESULT = ADI_HAE_HARMONICINDEX (DEV, ADI_HAE_HARMONIC_INDEX_12, 12); ADI_HAE_UPDATE_RATE_128000); RESULT = ADI_HAE_SUBMITTXBUFFER(DEV, &TXBUFFER1[0], SIZEOF(TXBUFFER1)); RESULT = ADI_HAE_SUBMITTXBUFFER(DEV, &TXBUFFER2[0], SIZEOF(TXBUFFER2)); RESULT = ADI_HAE_ENABLEINTERRUPT(DEV, ADI_HAE_INT_RX, TRUE); RESULT = ADI_HAE_ENABLEINTERRUPT(DEV, ADI_HAE_INT_TX, TRUE); RESULT = ADI_HAE_CONFIGSAMPLEDIVIDER(DEV, 100000000); RESULT = ADI_HAE_RUN(DEV, TRUE); // RESULT = ADI_HAE_CLOSE(DEV); } /* EVENTS */ VOID HAECALLBACK(VOID* PHANDLE, UINT32_T EVENT, VOID* PARG) /* ISR ROUTINE TO LOAD / UNLOAD DATA FROM HAE { UINT32_T N; ADI_HAE_EVENT EEVENT = (ADI_HAE_EVENT)EVENT; /* RESULTS RECEIVED FROM HAE 128MS */ IF (EEVENT == ADI_HAE_EVENT_RESULTS_READY) { /* GET RESULTS */ PRESULTS = (ADI_HAE_RESULT_STRUCT*)PARG; /* POINTER TO TXBUFFER1 OR TXBUFFER2 */ /* DO SOMETHING WITH THE RESULTS */ FOR (N=0; N= NUM_SAMPLES) INDEX = 0; } COUNT++; } One Technology Way t P.O. 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TA11824sc-0-9/13 Page 190 MS-2543 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . ժྪ࠼‫ొޚ‬Վഗ ߰૗‫ڦ‬ण‫ׯ‬ ፕኁǖBaoxing ChenLj ADIࠅິჺ৯ᇵ ాඹ༵ᄲ ࡗඁब౎Lj࠼‫(ޚ‬PV)ׂᄽ‫ݧ‬໏݀ቛLjഄ‫ۯ‬૰ዷᄲઠጲਃ ߛփူ‫ڦ‬ᆳॏࢅ࣍ৣᆭ୯ă඗ܸLjPV‫ׯ‬Ԩධ඗๟‫ݟ‬ҹഄ ৊ᅃօકቧ‫ڦ‬ፌ‫ٷ‬ቱҹLjᄲᇑ‫د‬ཥ‫ۉீڦ‬၎৪ኛLjՂႷ ৊ᅃօই‫ׯگ‬Ԩăሞ໿ᄞీ‫׾ۉ‬ӱᅜྔLj‫ۉ‬ጱᇮॲ)සPV ొՎഗ*๟‫ڞ‬ዂߛ‫ׯ‬Ԩ‫ڦ‬ዷᄲᇮॲă‫؜‬ᇀҾඇࢅ੗ႜႠ੊ ୯LjժྪPVገ࣑ഗӝइ‫ڦڥ‬኱ୁᇑ঍ୁྪ၎߰૗ă߰૗ ‫ڦ‬ፕᆩཚ‫׉‬๟஢ፁҾඇ݆ࡀ‫ڦ‬ᄲ൱Lj‫ݞ‬ኹ኱ୁጀ෇঍ୁ ྪLjᅺྺ঳ࡕ੗ీࣷᆖၚದ‫ۉ‬Վუഗࢅ‫د‬ཥ‫ྑڦ‬༬ၭ้ ‫ۉ‬՗ăዮස࠼᳘ࢇഗᅃૌ‫دڦ‬ཥ߰૗঴ਦ‫ݛ‬ӄ࿮݆஢ፁ PV‫׾ۉ‬ӱ25౎‫ۆڦ‬႙‫څ‬ԍᄲ൱ăཞ้LjྲొՎഗደॷ቞ ਍ዷୁLjᅺྺኄዖഗॲփ‫ڍ‬੗ᅜ༵ߛဣཥ੗ᆩႠLjܸ൐ ీࠕ‫ื༵ޗٷ‬ቼ࠼ཉॲူ‫ڦ‬Ⴀీăሞኄၵ൧઄ူLjPVొ ՎഗҾጎሞPV‫׾ۉ‬ӱ‫ࢫڦ‬ևLjఫ૛‫ߛڦ‬࿒੗ీे໏࠼᳘ ࢇഗ‫ڦ‬ႠీူইăԨ࿔ኼሞ༪ஃPVొՎഗዐ‫ڦ‬႑ࡽࢅ‫ۉ‬ ᇸ߰૗Ⴔ൱Lj༑༪සࢆ૧ᆩྲՎუഗण‫߰ׯ‬૗ࠀీᅜ༵ ߛဣཥႠీࢅ੗੍ႠĂই‫گ‬ဣཥ؅٫ࢅ‫ׯ‬Ԩă ๨‫ׇ‬ฉዷᄲᆶଇૌPVొՎഗLjन࿮ՎუഗొՎഗࢅՎუ ഗ߰૗ొՎഗă࿮ՎუഗొՎഗ੗ీࣷ๴‫ٷڟ‬থ‫ୁۉ୑ں‬ ࢅጀ෇‫ڦ‬኱ୁ‫ڦ‬ᆖၚLjᅺྺPV‫׾ۉ‬ӱᇑ঍ୁྪኮक़٪ሞ ࢔‫׾ۉڦٷ‬ӱ‫ۉ‬ඹܸ൐ඍณ߰૗Ljස཮1(a)໯๖ăසࡕᆶ ኱ୁፇ‫ݴ‬ጀ෇‫ྪۉ‬ዐ‫ڦ‬঍ୁ‫ୁۉ‬ዐLjኄዖ൧઄๟ᆌ޿Ն௨ ‫ڦ‬Ljᅺྺ঳ࡕ੗ీ‫ڞ‬ዂದ‫ۉ‬ՎუഗԏࢅăႹ‫ܠ‬ҾඇՔጚ‫ܔ‬ ‫ྪۉ‬ዐጀ෇‫ڦ‬኱ୁ‫ୁۉ‬ଉ৊ႜକჹ߭‫ۨࡀڦ‬Ljᆶၵ൧઄ ူLjՂႷ‫ܔ‬Վუഗ৊ႜ߰૗ăሞ‫׾ۉ‬ӱᇑ‫ྪۉ‬ኮक़֑ᆩՎ უഗ߰૗रຍ੗ᅜၩ‫أ‬ᅺ‫׾ۉ‬ӱ၎‫ܔ‬ᇀ‫ۉڦྪۉ‬უֶׂܸ ิ‫ڦ‬኱ୁጀ෇ୟ০Ljස཮1(b)໯๖ă‫أ‬኱ୁጀ෇ᅜྔLjժ रຍ࿔ቤ MS-2356 ྪొՎഗ࣏Ⴔ஢ፁ‫ڦྪۉ‬ഄ໱ᄲ൱LjԲසጺၿհ฿ኈࢅ‫ڇ‬ ၿհ‫ୁۉ‬຤ೝĂࠀ୲ဣຕᅜतࠜྪሏႜ൧઄‫ڦ‬ॠ֪‫ڪ‬ă‫ۉ‬ ྪ‫ۉ‬უࢅጀ෇‫ୁۉڦྪۉ‬ՂႷ৛ඓ॔੦ăසࡕᆩᇀኴႜ MPPTࢅቆटൻ‫ڦీࠀۯ‬੦዆ഗ࿋ᇀ‫׾ۉ‬ӱᅃ‫܋‬LjሶՂႷ ॽኄၵ֪ଉኵ߰૗ਸઠăྺକ๑PV‫׾ۉ‬ӱࣩ݀ፌ‫ٷ‬ၳ ୲LjႴᄲ֑ᆩፌ‫߶ۅ୲ࠀٷ‬ጷ(MPPT)໙݆ăྺକํ၄ MPTTLj࣏Ⴔ॔੦‫׾ۉ‬ӱ‫ۉ‬უࢅ‫ୁۉ‬ă‫ړ‬ට்‫׈‬๬‫ܠ૴ز‬ ߲PVొՎഗᅜ३ณ໯ႴొՎഗ‫ڦ‬ຕଉ้Lj‫׾ۉ‬ӱ‫ۉ‬უ੗ ీՎ‫ߛ׉ݥڥ‬ăٗPV‫׾ۉ‬ӱߛՉ‫܋‬৊ႜ‫֪ୁۉڦ‬ଉᄺႴ ᄲ߰૗ă ‫أ‬କ߰૗‫ۉࢅୁۉ‬უ֪ଉᅜྔLj࣏ႴᄲRS-485ĂRS-232ࢅ CAN‫ڪ‬থ੨ࠀీăRS-485ईRS-232ᅃӯᆩᇀ௬ၠኄၵPVొ Վഗ‫ڦ‬ཚ႑Ljᅜइ‫ڦ้ํڥ‬Ⴀీຕ਍Ljܸཚ႑ጺ၍ሶႴᄲ ৊ႜ߰૗Ljᅺྺጺ၍Ⴔᄲ‫د‬๼ড‫ڦ׊‬ਐ૗Ljཞ้ᄺ๟‫؜‬ᇀ Ҿඇ੊୯ă‫ܔ‬ᇀཚ႑ਐ૗ড‫้܌‬Ljᄺ੗๑ᆩ߰૗CANăኄ ၵ๭݀ഗᄺႴᄲӝ߰૗‫ۉ‬ᇸٗ‫׾ۉ‬ӱᅃ‫؏܋‬ൽ዁ጺ၍ᅃ ‫܋‬ă ‫د‬ཥฉLj߰૗๟ᆯ࠼᳘ࢇഗํ၄‫ڦ‬ă඗ܸLj࠼᳘ࢇഗ‫ۉڦ‬ ୁ‫د‬๼ࠀీࣷໜጣ้क़ܸူইLj੗ీब౎ࢫ৽࿮݆ሏႜLj ᇺᇺ‫گ‬ᇀႹ‫ܠ‬໿ᄞీ‫׾ۉ‬ӱ༵ࠃ‫ڦ‬20౎๱ం‫څ‬ԍăኄ૛Lj ࿢்ॺᅱ๑ᆩएᇀྲՎუഗ‫ڦ‬႑ࡽࢅ‫ۉ‬ᇸ߰૗݆Ljኄዖ‫ݛ‬ ݆੗ᅜ஢ፁPVొՎഗዐ٪ሞ‫ܠڦ‬ዖण‫ׯ‬Ⴔ൱ăኄዖ‫݆ݛ‬ փ‫ڍ‬੗ᅜਖ਼‫࠼ޜ‬᳘ࢇഗ‫ڦ‬Ⴀీူইඍ။Ljܸ൐ሎႹण‫ׯ‬ ADCኮૌ‫ڦ‬ॠ֪ࠀీईኁRS-485ईRS-232๭݀ഗኮૌ‫ڦ‬থ ੨ࠀీăଷྔLj޿‫݆ݛ‬੗ᅜ༵ࠃ߰૗‫ۉ‬ᇸᆩᅜൻ‫ۯ‬ኄၵॠ ֪ICĂ߰૗๭݀ഗईኁ߰૗ቆटൻ‫ۯ‬ഗăएᇀ࠼᳘ࢇഗ‫ڦ‬ ቆटൻ‫ۯ‬ഗሶࡼ‫ۉ‬ଉ‫ٷ‬Lj้Ⴞ༬Ⴀᄺ‫׉ݥ‬փ࿘ۨăएᇀྲ Վუഗ‫ڦ‬ቆटൻ‫ۯ‬ഗփ‫گ߸ࡼࠀڍ‬Ljܸ൐੗ᅜਏᆶ೅ದႠ ߸ࡻ‫ڦ‬ቆटൻ‫ۯ‬ഗ้Ⴞ༬ႠLj੗ᅜ၂ዸ༵ߛဣཥ‫ڦ‬ጺࠀ୲ ገ࣑ၳ୲ă߰૗‫ڦ‬႑ࡽࢅ‫ۉ‬ᇸण‫ׯ‬ᄺ੗‫ޗٷ‬३ณᇮॲຕ ଉLjܸٗই‫گ‬ဣཥ‫ׯ‬ԨĂ༵ߛ੗੍Ⴀă Page 191 MS-2356 ཮1. (a) ‫߰ݥ‬૗ొՎഗူ‫ྪۉ‬ዐ‫ڦ‬኱ୁጀ෇ (b) ཚࡗ߰૗ፆ܏኱ୁጀ෇ ཮2. (a) ߰૗DC-DCొՎഗᇱ૙཮ (b) 4ཚ‫߰ڢ‬૗ഗĂ500 mW߰૗‫ۉ‬ᇸူ‫ހڦ‬ጎ‫ݛ‬ӄ ᆩྲՎუഗํ၄႑ࡽࢅ‫ۉ‬ᇸ߰૗ ྲՎუഗ੗ᅜᆩᇀ༵ࠃण‫ڦׯ‬႑ࡽࢅ‫ۉ‬ᇸ߰૗Ljፌ‫ۨܮٷ‬ ኵྺ5 kV rms [1]ă‫ܔ‬ᇀ႑ࡽ‫د‬๼Lj๼෇ຕ਍ཚ‫׉‬ሞՊஓኮ ࢫም‫د‬๼ߴຕ਍ՎუഗᇱՉăޭՉሶཚࡗ঴ஓઠ࣏ᇱ႑ ࡽă๼෇ᇑ๼‫؜‬ኮक़‫߰ڦ‬૗ཚࡗ‫؛‬प၍ංᇑْप၍ංኮक़ ‫ڦ‬ਨᇹ֫ઠํ၄ăྺକሞ߰૗ኮक़ํ၄ߛၳ‫ۉڦ‬ᇸ‫د‬๼Lj ᆩᅃ߲ጲናߛೕና‫ږ‬ഗઠൻ‫ۉۯ‬ᇸՎუഗ‫ڦ‬ᇱՉLjཞ้ᆩ ߛೕၰ༬एܾट࠶ઠ༵ࠃኝୁ኱ୁ‫ۉ‬უăۙবᆯْप੦዆ ഗׂิ‫ڦ‬PWMྜ‫ׯ‬Lj޿PWMཚࡗᅃ߲‫ݒ‬ઍՎუഗᅜᇺ‫گ‬ ᇀና‫ږ‬ೕ୲‫ڦ‬ೕ୲ઠਸഔࢅ࠲Կና‫ږ‬ഗLjස཮2(a)໯๖ă ཚࡗ‫ݒ‬ઍՎუഗ‫ݒڦ‬ઍ႑ࡽ‫߾ڦ‬ፕ‫ݛ‬๕ᇑཚࡗຕ਍Վუഗ ‫ڦ‬ഄ໱ຕ਍ཚ‫ڢ‬႑ࡽ၎ཞă‫ీྺړ‬ଉገ࣑ࢅ‫ݒ‬ઍยዃփཞ ‫ڦ‬੦዆ୟ০้Lj੗ᅜᆫࣅీଉገ࣑ၳ୲Ljཞ้ྼ‫ۙ׼‬ব‫ڦ‬ ࿘ۨႠă཮2(b)ቛ๖‫ڦ‬๟‫܀຺߲ټ‬૬‫߰ڦ‬૗ຕ਍ཚ‫ڦڢ‬ 500 mW߰૗dc-dcገ࣑ഗă Page 192 ሞԨ૩ዐLjՎუഗᆯଇ߲‫܀‬૬‫ڦ‬ႊೌࠓ‫ׯ‬Ljᅃ߲๟Պஓഗ )नᇱՉႊೌ*Ljଷᅃ߲๟঴ஓഗ)नޭՉႊೌ*ă඗ܸLjኄ ዷᄲ๟‫؜‬ᇀ‫ׯ‬Ԩᇱᅺ੊୯Ljܸሞ૙ஃฉLjՎუഗ๟੗ᅜᆩ ഄዐᅃ߲ICႊೌࠓॺ‫ڦ‬ăቆटൻ‫ۯ‬ഗĂ๭݀ഗĂADC‫ܮڪ‬ ྔ‫ۉ‬ୟࠀీඇև‫ۼ‬੗ᅜण‫ׯ‬৊ઠă PVొՎഗዐ‫߰ڦ‬૗ण‫ׯ‬ ཮3໯๖ྺᅃ߲‫ۆ‬႙‫ڦ‬3पժྪPVొՎഗă‫ڼ‬1प๟ᅃ߲੗ ჋‫ืڦ‬უገ࣑ഗLjᆩᇀ༵ߛ‫׾ۉ‬ӱ‫ۉ‬უLj޿‫ۉ‬უ඗ࢫምཚ ࡗ߰૗dc-dcገ࣑ഗपă޿߰૗dc-dcገ࣑ഗԈઔᅃ߲ཚࡗ ߛೕՎუഗ‫ڦ‬ඇൃdc-acገ࣑ࠀీă޿ߛೕՎუഗਏᆶ؅ ٫ၭĂၳ୲ߛ‫ڦ‬ᆫ๞ăޭՉ‫ڦ‬঍ୁԥኝୁ‫ׯ‬ཚ‫ߛ׉‬ᇀ‫ྪۉ‬ ‫ރ‬ኵ‫ۉ‬უ‫ڦ‬኱ୁ‫ۉ‬უăኝୁႚ‫ڦׯ‬኱ୁምཚࡗ‫ڼ‬3ొՎഗ पገ࣑‫ྪۉׯ‬၍ୟೕ୲ăႴᄲॠ֪‫׾ۉ‬ӱ๼‫ۉ؜‬უࢅ‫ۉ‬ ୁLjժॽഄઍ෇ᅃ߲ྲ੦዆ഗLjᅜኴႜፌ‫د୲ࠀٷ‬๼߶ጷ (MPTT)໙݆ăཞ้Lj޿ྲ੦዆ഗ࣏޶ሴ੦዆߰૗dc-dcࢅ ๼‫ొ؜‬Վഗ‫ڦ‬ቆटൻ‫ۯ‬ഗă๼‫ొ؜‬Վഗ࿋ᇀ‫ྪۉ‬ᅃ‫܋‬Ljഄ থ‫ۉں‬უᇑ኱ୁ‫׾ۉ‬ӱথ‫ۉں‬უփཞLjٗྲ੦዆ഗ‫ొڟ‬Վ ഗൻ‫ۯ‬प‫ڦ‬ཚ႑Ⴔᄲ߰૗ăཚ‫׉‬Ⴔᄲ຺߲࠼᳘ࢇഗLj‫ڍ‬໲ ்ࠀࡼডߛLjഄড‫دڦٷ‬խჽ‫׿‬ᄺ੗ీᆖၚቆटൻ‫ۯ‬ഗ‫ڦ‬ ้Ⴞ৛‫܈‬Ljܸٗᆖၚ‫ొڟ‬Վഗ‫ڦ‬ၳ୲Ljܸ൐ፌዘᄲ‫ڦ‬๟Lj ໲்వᅜኧ‫׼‬PV‫׾ۉ‬ӱ20዁25౎‫څڦ‬ԍ๱ంăଷᅃ‫ݛ‬ ௬LjएᇀྲՎუഗ‫߰ڦ‬૗ഗ[1, 2]ࠀࡼᄲ‫ܠڥگ‬Lj‫د‬խჽ‫׿‬ ᄲ‫ܠڥ܌‬Ljܸ൐Ⴀీփࣷໜ้क़ܸူইăଷྔLj‫ܠ‬ཚ‫߰ڢ‬ MS-2356 ૗ഗᄺ੗ᅜᇑೌฉDC-DCገ࣑ഗण‫ׯ‬LjᅜՍྺቆटൻ‫ۯ‬ ഗ༵ࠃ߰૗‫ۉ‬ᇸăሞొՎഗ๼‫؜‬ᇑժྪኮक़ᆩी‫ۉ‬ഗઠඓ ԍొՎഗ๼‫؜‬ೕ୲ࢅ၎࿋ᇑ๨‫ۉۉ‬უཞօLjཞ้Lj࣏ీሞ ‫ࠤิ݀ྪۉ‬ቱ้ईኁሞ๨‫ۉۉ‬უईೕ୲‫ࡗג‬੗থ๴၌ኵ้ ტ໏܏ਸLjܸٗํ၄‫ڜࠜݞ‬ԍࢺăሞ‫ྪۉ‬ᅃ‫܋‬Ⴔᄲ‫ۉ‬უॠ ֪ࠀీᅜॠ֪ଭ঍ሁLjཞ้ᄺႴᄲ‫ୁۉ‬ॠ֪ࠀీLjᅜඓԍ ޶ሜዐઍ෇‫ڦ‬๟ኟ၀հ‫ୁۉ‬ăॠ֪႑တ੗ᅜཚࡗ߰૗ADC ‫د‬ໃߴ੦዆ഗă߰૗ADCण‫ׯ‬ᅃ߲16࿋ܾ঩Σ-Δۙ዆ഗࢅ एᇀྲՎუഗ‫ڦ‬ຕጴ߰૗ࠀీLjీࠕํ၄3.75 kV‫߰ڦ‬૗Lj ๟‫ୁۉୁݴ‬ॠ֪‫ڦ‬૙ၙኮ჋ă‫ୁۉ‬Վუഗᄺ੗ᆩᇀ‫ୁۉ‬ॠ ֪Lj‫ڍ‬໲்ॏ߭ӆࡍĂ༹ओಕ‫ٷ‬Ljܸ൐੗ీ‫ྔܔ‬և‫ݥׇى‬ ‫ߌ௺׉‬ăᄺ੗ᅜ๑ᆩऊܻၳᆌॠ֪ഗLj‫ڍ‬໲்ሞ‫ݥ‬၍Ⴀ‫܈‬ ࢅ฿ۙ‫ݛ‬௬ံཀփፁLj঳ࡕࣷᆖၚ‫֪ୁۉڟ‬ଉኵ‫ڦ‬৛‫܈‬ă ‫ୁݴ‬ᇑण‫߰ׯ‬૗ADCᅃഐႚ‫ׯ‬ᅃዖ੗੍‫ׯگڦ‬Ԩ༺‫ݛپ‬ ӄă߰૗ADCሞ‫ྪۉ‬ᅃ‫܋‬ᄺႴᄲ߰૗‫ۉ‬ᇸᅜൻ‫ۯ‬ጲमLjཞ ้Lj੗ᅜण‫ׯ‬एᇀྲՎუഗ‫߰ڦ‬૗DC-DCLjูܸٗඁ๑ ᆩ‫ݴ‬૬๕DC-DCገ࣑ഗ‫ڦ‬ዮ‫ܠ‬஑‫ݑ‬ă‫ړ‬ႴᄲPLCཚ႑้Lj ‫ڦ܋ྪۉ‬PLCႊೌ੗ᅜᆯ߰૗DC-DCઠൻ‫ۯ‬Ljܸഄᇑ‫׾ۉ‬ ӱᅃ‫ڦ܋‬੦዆ഗ‫ڦ‬ཚ႑ሶཚࡗᅃ߲‫ܠ‬ཚ‫߰ڢ‬૗ഗઠํ၄ă ཮3. 3पPVొՎഗ‫߰ڦ‬૗‫ݛ‬ӄ Page 193 MS-2356 एᇀྲՎუഗ‫߰ڦ‬૗‫݆ݛ‬ᄺ੗ᇑߛ‫ୁۉ‬๼‫؜‬ቆटൻ‫ۯ‬ഗ၎ ण‫ׯ‬Ljᅜႚ‫ׯ‬ඇ߰૗ӷൃቆटൻ‫ۯ‬ഗă཮4໯๖ྺᅃ߲ժ ྪPVొՎഗ‫ڦ‬๖૩ቆटൻ‫ݛۯ‬ӄă‫ܔ‬ᇀᇱՉ‫ڦ‬DC-ACඇ ൃਸ࠲Ljཚ‫׉‬ுᆶՂᄲྺ‫܋گ‬ቆटൻ‫ۯ‬ഗ)ᆮഄ๟‫ࡼࠀگ‬ ొՎഗ*ยዃ߰૗ă‫ܔ‬ᇀଇ߲ߛ‫܋‬ਸ࠲Ljਏᆶ4 Aൻ‫ీۯ‬૰ ‫ڦ‬2ཚ‫ڢ‬1 kV߰૗ൻ‫ۯ‬ഗ৽ీ฼ඪ߾ፕăొՎഗਸ࠲࿋ᇀ঍ ୁ‫܋‬LjᅺُLj‫ۼ܋ߛࢅ܋گ‬Ⴔᄲ߰૗ቆटൻ‫ۯ‬ഗă ᄲ๑኱ୁ‫ྲڦ܋‬੦዆ഗᇑ঍ୁ‫ొڦ܋‬Վഗ኱থཚ႑Ljཚ‫׉‬ Ⴔᄲ2.5 kVई5 kV߰૗ቆटൻ‫ۯ‬ഗă‫܋گ‬ቆटൻ‫ۯ‬ഗ੗ᅜᆯ ण‫ڦׯ‬DC-DCൻ‫)ۯ‬ഄ‫ۯ‬૰ઠጲ‫׾ۉ‬ӱᅃ‫*܋‬Ljܸߛ‫ۉ܋‬ᇸ ሶ੗ཚࡗጲਉ঴ਦ‫ݛ‬ӄઠ༵ࠃă ௅߲ӷൃቆटൻ‫ۯ‬ഗ਩ᆯ3ၠ߰૗ࠓ‫ׯ‬Ljन๟ຫLj๼෇ᇑ ๼‫؜‬ኮक़٪ሞ߰૗Ljଇ߲๼‫؜‬ኮक़ᄺᆶ߰૗ă๼෇‫ڟ‬๼‫؜‬ ‫߰ڦ‬૗ཚࡗೌฉՎუഗ༵ࠃă཮5(a)๟1 kVቆटൻ‫ۯ‬ഗ‫ڦ‬Վ უഗ঳ࠓLj཮5(b)๟5 kVቆटൻ‫ۯ‬ഗ‫ڦ‬Վუഗ঳ࠓă1 kVӷ ൃቆटൻ‫ۯ‬ഗᅜෙႊೌ‫ހڇ‬ጎํ၄LjԈઔᅃ߲๼෇ႊೌࢅ ଇ߲၎ཞ‫ڦ‬ቆटൻ‫ۯ‬ഗႊೌă ଇ߲1 kVՎუഗ)ස཮5(a)໯๖*ሞ๼෇ႊೌฉํ၄Ljଇ߲ቆ टൻ‫ۯ‬ഗ๼‫߳؜‬ᅃ߲ă๼෇ᇑ‫ڹ‬և၍ං၎૶Lj‫ڹ‬և၍ංᇑ ‫ۥ‬և၍ංኮक़ᆯ2.64 μmࢩ‫ڦ‬ᄟࣅ࿿߰૗Ljܸ‫ۥ‬և၍ං၎ࢻ ኮक़ሶཚࡗ࢙ၠᄟࣅ࿿ઠํ၄߰૗ăኄଇ߲ቆटൻ‫ۯ‬ഗႊ ೌ࿋ᇀጲम‫ࡰೌݴڦ‬ಎฉLjժཚࡗᇑ[2]ૌຼ‫ڦ‬ႊೌक़ࡰ ၍ᇑ๼෇ႊೌ‫ۥڦت‬և၍ං၎૶ă5 kVቆटൻ‫ۯ‬ഗํ၄‫ݛ‬ ݆ᇑُ၎ຼLjኻ๟‫ۥ‬և၍ංᇑ‫ڹ‬և၍ංኮक़๟ཚࡗ20 mmࢩ ‫ڦ‬਋ḅჱӃ֌ଙ৊ႜ߰૗‫ڦ‬ă ཮4. 3पPVొՎഗ‫ڦ‬ቆटൻ‫ۯ‬ഗํ၄‫ݛ‬ӄ Page 194 MS-2356 ཮5. Վუഗ঳ࠓ (a) 1 kVቆटൻ‫ۯ‬ഗ (b) 2.5 kVቆटൻ‫ۯ‬ഗ ‫ܔ‬ᇀ‫ొܠ‬Վഗժ૴ဣཥ)ස‫ز‬๕ొՎഗ*LjొՎഗኮक़ᄺႴ ᄲཚ႑Ljኄᅃӯ๟ཚࡗRS-485ጺ၍ĂRS-232ጺ၍ईኁCAN ጺ၍)Ⴔᄲ߰૗้*ํ၄‫ڦ‬ăጲൻ‫߰ۯ‬૗๭݀ഗॽీࠕٗ‫ۉ‬ ‫׾‬ӱ‫܋‬इ‫ڥ‬ጺ၍‫܋‬໯Ⴔᄲ‫ۉڦ‬ᇸă ྲొՎഗᄺਸ๔๴‫ڟ‬ට்‫ڦ‬൞᭫Ljᅺྺ໲்ᆶዺᇀ༵ืဣ ཥ‫ڦ‬੗੍ႠࢅႠీă໲்࣏ᆶ૧ᇀ঴ਦ‫ز‬๕ొՎഗ٪ሞ‫ڦ‬ യሞ኱ୁ‫ࢷۉ‬࿚༶ăྲొՎഗᅃӯҾጎሞ୍‫׾ۉۥ‬ӱ‫ူڦ‬ ‫ݛ‬Ljኄዖཉॲူ‫ৣ࣍ڦ‬࿒‫܈‬੗ీ‫ߛ׉ݥ‬ăߛ࿒ࣷे੺࠼᳘ ࢇഗዐLEDႠీ‫ူڦ‬ইǗଷᅃ‫ݛ‬௬LjएᇀྲՎუഗ‫߰ڦ‬૗ ‫݆ݛ‬LjഄႠీփࣷໜ้क़ܸူইLjሞኄၵट‫܋‬ཉॲူ՗၄ ጝሁăྲొՎഗ੗ᅜ๑ᆩ‫ڇ‬पొՎഗܸ‫ݥ‬ඇෙपొՎഗLj ᅜই‫گ‬ဣཥ‫ׯ‬Ԩă௅߲ྲొՎഗ‫ࡼࠀڦ‬੗ీৈৈྺଇෙӥ ྑ༬Ljሞኄᅃࠀࡼ຤ೝူLj߰૗ण‫ྺ݆ׯ‬ই‫گ‬ဣཥ‫ׯ‬ԨĂ ༵ืဣཥ੗੍Ⴀ‫ټ‬ઠକႹ‫ܠ‬ဣཥण‫ׯ‬ऐࣷă ঳ஃ एᇀྲՎუഗ‫߰ڦ‬૗ण‫݆ݛׯ‬๟஢ፁժྪPVొՎഗĂዐ ᄕొՎഗईྲొՎഗ‫߰ڦ‬૗Ⴔ൱‫ڦ‬૙ၙ঴ਦ‫ݛ‬ӄăഄण‫ׯ‬ ๕႑ࡽࢅ‫ۉ‬ᇸ߰૗ీ૰੗ᅜ‫ޗٷ‬३ณᇮॲຕଉLj༵ߛဣཥ ੗੍Ⴀࢅ๑ᆩ๱ంLjཞ้Ljഄ৛௢‫ڦ‬ቆटൻ‫้ۯ‬Ⴞ༬Ⴀሶ ੗ీ৊ᅃօ༵ߛొՎഗ‫ڦ‬ၳ୲ă૧ᆩएᇀྲՎუഗ‫߰ڦ‬૗ ADCLj੗ᅜ‫ۉࢅୁۉྪۉܔ‬უ৊ႜ߸ेጚඓ‫֪ڦ‬ଉLj঳ࡕ ߴ‫ټྪۉ‬ઠߛ೗ዊ‫ڇڦ‬࿋ࠀ୲ဣຕኟ၀‫ୁۉ‬ă ֖੊࿔၅ 1. B. ChenĐ๑ᆩྲՎუഗ‫ྜڦ‬ඇण‫ׯ‬๕߰૗DC/DC ገ࣑ഗđLj‫ڼ‬23া౎‫܈‬IEEEᆌᆩ‫ۉ‬ᇸ‫ۉ‬ጱࣷᅱࣷ਽Lj ‫ڼ‬335ᄻ዁338ᄻLj2008౎2ሆă 2. B. ChenĐण‫ۉ܋ߛׯ‬ᇸ‫߰ڦ‬૗๕ӷൃቆटൻ‫ۯ‬ഗđLj ‫ڼ‬39াIEEE‫ۉ‬ᇸ‫ۉ‬ጱጆॆࣷᅱࣷ਽Lj‫ڼ‬3615ᄻ዁ 3618ᄻLj2009౎6ሆă One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. 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TA10906sc-0-7/12 Page 195 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2708 GSPSຕ਍ገ࣑ഗኞ৸‫ۉ‬ጱ॔੦ ᇑ‫ੇܔ‬ဣཥƽ ፕኁǖDuncan BosworthLjADIࠅິׂ೗ᆐၨ߾‫ײ‬฾ ೕ೷ᆛ‫܂‬Ă߸ߛ߾ፕೕ୲ࢅ߸ްሗ‫ڦ‬հႚLjߴ‫ۉ‬ጱ॔੦ᇑ ‫ੇܔ‬ဣཥ‫ټ‬ઠ֫‫؜‬փ൬‫ڦ‬࿚༶LjႴᄲ኎֪‫੻ټڦ‬ሁઠሁ ‫ٷ‬Ljॠ֪ଳ௺‫܈‬ᄲ൱ᄺሁઠሁߛăໜጣኄၵဣཥሁઠሁ‫ܠ‬ ‫ీࠀڦ‬ཚࡗຕጴᇘํ၄Ljฉຎ‫ࢅ੻ټ‬ଳ௺‫܈‬ଇ߲ᅺ໎Ljे ฉ‫ׯ‬ԨLj኱থӝߛ໏ఇຕገ࣑ഗ(ADC)‫ڦ‬Ⴀీླྀၠट၌Lj ‫׉׉‬๑ADC‫ྺׯ‬ဣཥ‫ڦ‬ਆ၌໯ሞă‫ڍ‬๟Ljႎᅃ‫ߛپ‬໏ADC ‫ڦ‬Ⴀీ‫ڟٳ‬କമ໯࿄ᆶ‫ڦ‬຤ೝLj੗༵ࠃᅃၵဣཥप঴ਦ‫ݛ‬ ӄઠᆌ‫ܔ‬ኄၵ཈቟ă ၄‫॔پ‬੦ဣཥ‫ڦ‬एԨॐࠓස཮1໯๖Lj໲Ԉઔෙ߲एԨࠀీǖ  x พೕ/ྲհۙၿഗ  x ຕጴࣅᅏ—ADCत၎࠲‫ٷݣڦ‬ഗࢅ࣐؋ഗ  x ੺໏‫ޱ‬૛ᄾՎ࣑ࢅຕጴ႑ࡽ‫ت‬૙ FPGA / Processor RF / Microwave AMP ADC FFT Tuner DDC ཮1. ॔੦ဣཥएԨॐࠓ ࢔‫ܠ‬൧઄ူLj‫ړ‬ဣཥॐࠓ௬ଣవ༶้Ljߛ໏ADCႠీ—— ٗఇెᇘ‫ڟ‬ຕጴᇘ‫ڦ‬ገ࣑——৽‫ྺׯ‬ဣཥ‫ڦ‬၌዆ᅺ໎ă‫ׯ‬ Ԩࢅဣཥ؅٫ፌၭࣅ࿮ᅑ๟टഄዘᄲ‫ڦ‬Lj‫ڍ‬ဣཥยऺ฾࣏ ՂႷາ੊සࢆፌॅ‫ں‬ೝ࢚༵ߛຨ้॔੦‫ڦ੻ټ‬Ⴔ൱(ᅜՍፌ ‫ߛ༵ں܈ײٷ‬થপ߁୲)Ljᅜतසࢆॽ‫୲ࠀߛాټ‬႑ࡽই‫گ‬ ဣཥଳ௺‫ڦ܈‬ᆖၚፌၭࣅă Signal Processing ࠲ᇀසࢆ‫ڟٳ‬ဣཥኸՔࢅᅙඓۨ‫ڦ‬ൽปᄲ൱LjADC‫֑ڦ‬ᄣ ໏୲ࢅ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR)ཚ‫׉‬๟ᆖၚਦ֧‫ڦ‬ଇ‫ٷ‬ዷᄲ ᅺ໎ăገ࣑ഗ‫֑ڦ‬ᄣ໏୲ਦۨలઊຯ༬ೕ܎Lj৊ܸਦ߲ۨ ՚ገ࣑ഗ‫ڦ‬ፌ‫ٷ‬੗࠵֪‫੻ټ‬ǗSFDRਦۨ੗ॠ֪‫ڦ‬႑ࡽ‫ۉ‬ ೝă໚඗ሯำೕ೷௢‫܈‬੗ీᄺႴᄲ੊୯Lj‫ڍ‬ሞ‫ܠ‬ຕ൧઄ ူLjADC‫ڦ‬ሯ‫ڹ‬ᇺ‫گ‬ᇀሗො຤ೝLjܸ൐ٗဣཥሏႜঙ‫܈‬ ੂLjຕጴࣅࡗ‫ײ‬ዐׂิ‫ڦ‬ሗොᇑೕ೷ዐ৊ႜຕጴࣅ‫ࠀگڦ‬ ୲႑ࡽవᅜ൶‫ݴ‬ăᅺُLjဣཥ‫ڦ‬ଳ௺‫܈‬ᇑSFDR኱থ၎࠲Lj ኄᄣॠ֪‫्ڟ‬ణՔ‫ڦ‬੗ీႠፌ‫گ‬ă ૩සLj੊୯‫ܔ‬ଇ߲૶Ⴤհ(CW)႑ࡽ৊ႜຕጴࣅ‫ت‬૙Lj႑ࡽ A๟ᅃ߲஢ଉ‫ײ‬๼෇Lj႑ࡽB‫୲ࠀڦ‬ሶ‫ܠڥگ‬ăፕྺణՔ႑ ࡽ‫ڦ‬႑ࡽBᇑຕጴࣅ႑ࡽA໯ׂิ‫ڦ‬ሗො੗ీవᅜ൶՚Ljᅺ ྺܾኁ‫ۉڦ‬ೝ၎ຼă໯ᅜLj႑ࡽB੗ీ‫گ‬ᇀဣཥ‫ڦ‬ॠ֪‫ۉ‬ ೝLjփࣷԥՔ๖ྺణՔ႑ࡽă ዮසُૌ‫ڦ‬၌዆՗௽ǖ૧ᆩਏᆶ‫ߛג‬၍Ⴀ‫ڦ܈‬ADC੗ํ၄ ፌॅॠ֪‫ۉ‬ೝă඗ܸLjߛ၍Ⴀ‫د܈‬ཥฉ๟ཚࡗဎึADC֑ ᄣ໏୲ઠํ၄‫ڦ‬Ljᄺ৽๟ຫLjᅜമுᆶߛ၍Ⴀ‫܈‬GSPSገ࣑ ഗ੗ᆩăྺକ‫ݛ‬Ս༪ஃLjԨ࿔੊୯ᅃ߲ཚᆩ‫ۉ‬ጱ॔੦ဣ ཥLj‫ڍ‬ૌຼ‫ڦ‬ဣཥॐࠓ඄࢚ᄺ๢ᆩᇀ‫ۉ‬ጱ൧Ԓ(ELINT)Ă ႑ࡽ൧Ԓ(SIGINT)ࢅཚ႑൧Ԓ(COMINT)ăُૌဣཥᅃӯ ᆶෙዖփཞဣཥॐࠓ੗ࠃ੊୯(֖९཮2)ă Page 196 MS-2708 ཮2. ॔੦ဣཥॐࠓ჋ၜ ཮2A໯๖ྺፌ०‫ڦڇ‬ဣཥă֑ᆩߛ၍Ⴀ‫܈‬ADCLj૩සADI ࠅິ‫ڦ‬AD9265(ഄሞ70 MHzዐೕ๼෇้ਏᆶ93 dBc‫ڦ‬SFDRࢅ 79 dBFS‫ڦ‬႑ሯԲ(SNR)Ljኄዖॐࠓ੗༵ࠃ‫؜‬෥‫ڦ‬ଳ௺‫ࢅ܈‬ॠ ֪ႠీLj‫ڍ‬ፌ‫֑ٷ‬ᄣ໏୲ኻᆶ125 MSPSăኄ๟ᅜຨ้‫ྺ੻ټ‬ ‫پ‬ॏܸइ‫ڦڥ‬Ljփ੊୯ੇं۠୳հഗ้‫ڦ‬ፌ‫ٷ‬ຨ้‫ྺ੻ټ‬ 62.5 MHzLjཚ‫׉‬ᄲই‫ڟگ‬40 MHzई߸‫گ‬ăဣཥዐኻᆶᅃ߲ ገ࣑ഗLjဣཥ‫ׯ‬Ԩ࢔‫گ‬Lj‫ڍ‬พೕۙၿഗփ‫ڥ‬փᅜ40 MHz‫ڦ‬ օ‫ޗ‬෢௮ኝ߲พೕ‫੻ټ‬Ljኄࣷই‫گ‬થপగၵ႑ࡽ‫୲߁ڦ‬ă ྺକ༵ߛ‫੻ټ‬Ljᅃዖ၂ܸᅟ९‫݆ݛڦ‬๟঍‫ٱ‬๑ᆩ‫ߛ߲ܠ‬၍ Ⴀ‫܈‬Ă‫֑گ‬ᄣ໏୲‫ڦ‬ገ࣑ഗLjॽഄ૶থ‫ټ੻߲ڇڟ‬พೕۙ ၿഗ(཮2B)Ljܸ༵ٗߛᆶၳ֑ᄣ໏୲ࢅຨ้‫੻ټ‬ă૩සLjැ ঍‫ٱ‬๑ᆩ8߲AD9265 ADCLjጺᆶၳ֑ᄣ໏୲ॽ‫ڟٳ‬1 GSPSLj ኧ‫ڦ׼‬ຨ้‫੻ټ‬থৎ500 MHzăพೕۙၿഗኻႴᅜ500 MHz ‫ڦ‬օ‫ޗ‬෢௮Ljᅺُพೕೕ೷‫ڦ‬኎֪໏‫ܠڥ੺ࣷ܈‬Ljથপణ Ք႑ࡽ(ᆮഄ๟যՎ႑ࡽ)‫ߛ߸୲߁ڦ‬ăଷྔLjဣཥৈ๑ᆩ ᅃ߲พೕۙၿഗLjᇑ཮2A၎ԲLj‫ׯ‬Ԩሺेᆶ၌ă ໚඗ኄඓํߴพೕۙၿഗ‫ټ‬ઠ߸‫ܠ‬వ༶(߸੻‫ټ੻ټڦ‬ઠ‫ڦ‬ వ༶๟ᄲԍ‫׼‬ᇑമຎॐࠓ၎ຼ‫ڦ‬IP3ࢅሯำႠీ)Lj‫ڍ‬ኄዖ ‫ڦ݆ݛ‬ዷᄲփፁ๟঍‫ٱ‬ADC‫ݛ‬௬‫ڦ‬཈቟ă߳ገ࣑ഗሞሺ ᅮĂ኱ୁ฿ۙࢅ၎࿋‫ݛ‬௬‫ڦ‬฿ದLjႴᄲཚࡗၯጚٗဣཥዐ ၩ‫أ‬ई૧ᆩຕጴ႑ࡽ‫ت‬૙ेᅜ࠶૙Lj‫ڍ‬नՍኄᄣLjSFDRĂ ሯ‫ڹ‬ई‫੻ټ‬ཚ‫׉‬ᄺࣷᆶᅃۨ‫ူڦ‬ইLj‫ڞ‬ዂُॐࠓႠీই ‫گ‬ă‫ܔ‬ᇀ॔੦‫୲ࠀߛגڦా੻ټ‬႑ࡽLjဣཥ੗ీփ໿௺ ߌLj๑࿚༶৊ᅃօܱࣅă500 MHzೕ܎ాඪᅪ‫ڦݛں‬ኄዖ႑ ࡽ‫ۼ‬ᄲ൱ই‫گ‬พೕࢅዐೕሺᅮLjܸٗ၌዆କ‫୲ࠀگ‬႑ࡽ‫ڦ‬ થপ߁୲ă ፌߛႠీ‫ڦ‬ॐࠓဣස཮2C໯๖Lj ഄዐํ၄କ‫߲ܠ‬ժႜพೕ ᇑຕጴࣅᅏጱဣཥLjසࡕཞᄣ๑ᆩAD9265Ljሶ੗ᅜཞ้࠵ ֪‫߲ܠڟ‬၎ତ40 MHzೕ܎ăඟ௅߲ጱဣཥೋᅎ‫ٷ‬ሀ40 MHz (Ⴔᄲᅃၵ঍۠)Lj੗ᅜ༵ߛຨ้‫੻ټ‬Lj‫࢔ڍ‬၂඗Ljኄ๟ᅜ ဣཥ‫ׯ‬Ԩྺ‫پ‬ॏLjဣཥ‫ׯ‬Ԩᇑຨ้‫ׯ੻ټ‬ኟԲăᇑ঍‫ݛٱ‬ ݆၎ԲLjኄዖॐࠓ‫تࡻڦ‬๟࿮Ⴔཚࡗၯጚईຕጴ႑ࡽ‫ت‬૙ ઠၩ‫أ‬঍‫ٱ‬ᆅഐ‫ڦ‬ሗොăُྔLj޿ဣཥᅞ዆ߛࠀ୲ፆ෗ई ߅ඡ‫ీڦ‬૰߸ഽLjᅺྺ߳40 MHzೕ܎‫ڦ‬พೕ/ዐೕሺᅮ੗ᅜ ‫܀‬૬ยዃă ฉຎဣཥॐࠓᅙሞ‫߳ৃړ‬ዖဣཥዐ֑ᆩLj‫ڍ‬ස཮ዐ໯๖Lj ௅ዖॐࠓሞႠీĂ‫ׯ‬ԨLj࣏ᆶ੗ీ๟؅٫ฉ٪ሞ၌዆ă඗ ܸLjፌႎ‫ڦ‬GSPS ADC੗ీ࢔੺৽ࣷ‫ٶ‬೦၄ጒLjኄዖADC ਏԢ߸ߛ‫ڦ‬၍Ⴀ‫ࢅ܈‬ഴ෇๕ຕጴ႑ࡽ‫ت‬૙༬ႠăAD9625ࢅ AD9680‫ڪ‬ႎ႙ADC༵ࠃ1.25 GSPS‫ڟ‬2.5 GSPS‫֑ڦ‬ᄣ໏୲Lj SFDRߛ‫ٳ‬85 dBcă՗1ଚ‫؜‬କAD9265ᅜत‫ړ‬മ‫ۆ‬႙ADCࢅ ADIࠅິႎ႙GSPS ADC‫ڦ‬ᅃၵዘᄲႠీă Page 197 ֑ᄣ໏୲ (MSPS) ఇె‫੻ټ‬ (MHz) SFDR (dBc) SNR (dBFS) ENOB (bits) IMD3 (dBc) ՗1. ߛ၍Ⴀ‫گ܈‬໏ADCᇑࡗඁࢅ ၄ሞ‫ڦ‬GSPS ADC‫ܔڦ‬Բ ADIࠅິ AD9265 (125 MSPS) ᅜമ‫ڦ‬ ‫ۆ‬႙ׂ೗ >2 GSPS ADC ADIࠅິ AD9680 (1.0 GSPS) ADIࠅິ AD9625 (2.5 GSPS) 125 >2000 1000 2500 650 >3000 2000 3000 93 58 85 79 79 50 65.3 58.3 12.8 8.0 10.8 9.2 95 64 81 81.2 GSPS ADC‫ڦ‬၍Ⴀ‫܈‬Բփฉ‫֑گ‬ᄣ໏୲‫ڦ‬ഗॲLj‫ڍ‬੗ᅜੂ ‫؜‬Ljֶਐኟሞ໫ၭă๑ᆩ‫߲ڇ‬GSPS ADC৽ీํ၄཮2B໯ ๖‫ڦ‬ॐࠓLjཞ้փࣷᆶ঍‫ټٱ‬ઠ‫ڦ‬ඍ‫ۅ‬ăُྔLj߸ߛ‫ڦ‬၍ Ⴀ‫܈‬੗༵ߛॠ֪ଳ௺‫܈‬Ljժॽ߅ඡࢅፆ෗‫ڦ‬ᆖၚই዁ፌ ၭLj໫ၭኄዖॐࠓᇑ཮2C໯๖ဣཥ‫ڦ‬ႠీֶਐLjܸ൐‫ׯ‬Ԩ ߸‫گ‬Lj؅٫߸ၭă ඗ܸLj໚඗ኄᅃ‫ݛ‬௬ీٝ‫ׯ‬ႎဣཥॐࠓ‫؜ڦ‬၄Lj‫ڍ‬ኄၵႎഗ ॲ߸घ‫ۯ‬ට႐‫ݛڦ‬௬๟໲்࣏ీሞገ࣑ഗ‫ڦ‬ఇຕገ࣑पኮ ࢫํ၄ຕጴ႑ࡽ‫ت‬૙ࠀీă65 nm CMOS߾ᅝኧ‫׼‬ሞገ࣑ഗ ዐํ၄߸ߛ໏‫ڦ܈‬ຕጴ႑ࡽ‫ت‬૙ă૩සLjAD9625ࢅAD9680 ਩ํ၄କຕጴူՎೕ(DDC)ࠀీLjᅺܸߛ໏ADC੗‫ۯ‬ༀ߀ Վ‫ٗ——੻ټ‬ඇ‫ڟ੻ټ‬1000 MHzᅜฉ‫ڦ‬ຕጴࣅలઊຯ༬ೕ ܎ా‫ڦ‬੗჋ጱೕ܎ăሞ཮3໯๖‫ڦ‬ॐࠓዐLj2.5 GSPSĂ12࿋ ADC AD9625‫ټ‬ᆶഴ෇๕DSP჋ၜă Optional Decimate by 2 Halfband Filters MS-2708 ሞ੻‫ټ‬ఇ๕ူLjኄዖADCኧ‫׼‬ᅜ1 GHzօ‫॔ޗ‬੦พೕೕ೷Lj ᅜՍ੺໏ೠࠚพೕ཮ৠăᅃ‫ڋ‬ඓۨణՔ႑ࡽLjՍ੗ॽُຕ ਍ᆅ‫ڞ‬዁DDCăDDC๑ᆩຕጴ੦዆ና‫ږ‬ഗ(NCO)ࢅ୳հ पLj੗ٗገ࣑ഗలઊຯ༬ೕ܎ా‫ڦ‬ඪࢆ‫ݛں‬჋ስᅃ߲ೕ ܎Ljժ৊ႜ8Ԡई16Ԡ‫ڦ‬ຕጴ؏ൽLjܸٗ৊ᅃօᅞ዆ሯ ‫ڹ‬ă໚඗ኄᅃࠀీ੗ᅜሞഗॲዐገ࣑ഗኮࢫ‫ڦ‬ຕጴ႑ࡽ‫ت‬ ૙पዐൟ຿ํ၄Lj‫ڍ‬ሞADCԨวዐኴႜᆶዺᇀই‫گ‬ADC‫ڦ‬ ๼‫؜‬ຕ਍໏୲Lj߸ዘᄲ‫ڦ‬๟Lj੗ᅜই‫دگ‬๼ࠀࡼăᅺُLj ๑ᆩDDC้Ljဣཥࠀࡼ၂ዸই‫گ‬ă ࡵ੣ࡵཀࢅ‫ݞ‬ခဣཥ‫׼‬Ⴤዘ๫໫३؅٫Ăዘଉࢅࠀࡼ (SWaP)LjໜጣGSPSଶᇘ‫ߛڦ‬໏ገ࣑ഗ‫ڦ‬၍Ⴀ‫܈‬փ܏༵ߛLj ဣཥॐࠓ฾ਸ๔༑໭ႎ‫ڦ‬჋ၜăӝຕጴ႑ࡽ‫ت‬૙ण‫ߛڟׯ‬ ໏ገ࣑ഗాևࢫLjᅃဣଚ჋ၜࢅဣཥᆫࣅ‫݆ݛ‬ਸ๔၂୞‫؜‬ ઠLj၄঩܎ᅺܸ‫ྺׯ‬ႎᅃ‫॔پ‬੦ဣཥਸ݀‫ڦ‬ᅃ߲ସට႗‫ݺ‬ ‫้ڦ‬೺ă ፕኁ०঻ Duncan Bosworth๟ADIࠅິࡵ੣ࡵཀࢅ‫ݞ‬ခׂ೗և‫ڦ‬ᆐၨ ߾‫ײ‬฾ă໱ణമሞࠅິ࿋ᇀெࡔகුዮ෗ዝྰ௽‫ܙ‬๨‫ڦ‬և ோ߾ፕLj੗ཚࡗ‫ۉ‬ጱᆰॲ(duncan.bosworth@analog.com)ᇑ ໱૴ဣă ADC 0o 90o NCO Data packing and Formating JESD204B Interface Output to FPGA / Processor GSPS Device with Embedded DSP Configuration Registers –Settable via SPI Interface ཮3. ‫ټ‬੗჋൐੗ಖୟഴ෇๕ຕጴူՎೕഗ‫ڦ‬2.5 GSPS ADC TA12758sc-0-12/14 Page 198 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2374 ๊஺๟JESD204ՔጚLjྺ๊஺࿢ ்ᄲዘ๫໲Ǜ ፕኁǖJonathan HarrisLjADIࠅິᆌᆩ߾‫ײ‬฾ ᅃዖႎ‫ڦ‬ገ࣑ഗথ੨‫ڦ‬๑ᆩ୲ኟሞ࿘օฉืLjժ൐ᆶྭ‫ׯ‬ ྺ࿄ઠገ࣑ഗ‫ڦ‬ၹᅱՔጚăኄዖႎথ੨——JESD204——‫ڐ‬ ิᇀब౎മLjഄፕྺገ࣑ഗথ੨ঢ়ࡗबْӲԨ߸ႎࢫሁઠ ሁ๴ድణLjၳ୲ᄺ߸ߛăໜጣገ࣑ഗ‫ݴ‬Ր୲ࢅ໏‫༵ڦ܈‬ ߛLj‫ܔ‬ᇀၳ୲߸ߛ‫ڦ‬থ੨‫ڦ‬Ⴔ൱ᄺໜኮሺ‫׊‬ăJESD204থ ੨੗༵ࠃኄዖߛၳ୲Ljডኮഄമ‫پ‬CMOSࢅLVDSׂ೗ሞ໏ ‫܈‬Ă؅٫ࢅ‫ׯ‬Ԩฉ߸ᆶᆫ๞ă֑ᆩJESD204‫ڦ‬ยऺᆛᆶ߸ ੺‫ڦ‬থ੨‫ټ‬ઠ‫تࡻڦ‬Ljీᇑገ࣑ഗ߸੺‫֑ڦ‬ᄣ໏୲ཞօă ُྔLjᆅগຕଉ‫ڦ‬३ณ๑‫ހڥ‬ጎ؅٫߸ၭ൐ք၍ຕଉ߸ ณLjኄၵ‫ۼ‬ඟ‫ۉ‬ୟӱ߸ඹᅟยऺժ൐ኝ༹ဣཥ‫ׯ‬Ԩ߸‫گ‬ă ޿Քጚ੗ᅜ‫ݛ‬Ս‫ۙں‬ኝLjܸٗ஢ፁ࿄ઠႴ൱ ኄٗ໲ᅙঢ়૦ ‫ڦ‬ଇ߲ӲԨ‫ڦ‬Վࣅዐन੗ੂ‫؜‬ăጲٗ2006౎݀քᅜઠLj JESD204Քጚঢ়ࡗଇْ߸ႎLjణമӲԨྺBăᆯᇀ޿Քጚᅙ ྺ߸‫ڦܠ‬ገ࣑ഗࠃᆌฆĂᆩࢽᅜतFPGA዆ሰฆ໯֑భLj ໲ԥဦ‫ݴ‬ժሺेକႎ༬ႠLj༵ߛକၳ୲ࢅํแ‫ڦ‬Ս૧Ⴀă ُՔጚ़๢ᆩᇀఇຕገ࣑ഗ(ADC)ᄺ๢ᆩᇀຕఇገ࣑ഗ (DAC)LjዷᄲᆩፔFPGA‫ڦ‬ཚᆩথ੨(ᄺ੗ీᆩᇀASIC)ă JESD204——໲๟๊஺Ǜ 2006౎4ሆLjJESD204ፌ‫؛‬ӲԨ݀քă޿ӲԨ௮ຎକገ࣑ഗ ࢅথ๭ഗ(ཚ‫׉‬๟FPGAईASIC)ኮक़ຕGb‫زڦ‬ႜຕ਍૾ ୟăሞJESD204‫ڦ‬ፌ‫؛‬ӲԨዐLj‫ز‬ႜຕ਍૾ୟԥۨᅭྺᅃ ߲ई‫߲ܠ‬ገ࣑ഗࢅথ๭ഗኮक़‫زڇڦ‬ႜཚ‫ڢ‬ă཮1ߴ‫؜‬କ ཮ႚຫ௽ă཮ዐ‫ڦ‬ཚ‫پڢ‬՗M߲ገ࣑ഗࢅথ๭ഗኮक़‫ڦ‬࿿ ૙থ੨Lj޿থ੨ᆯ֑ᆩ‫ୁۉ‬ఇ๕இड(CML)ൻ‫ۯ‬ഗࢅথ๭ ഗ‫ܔݴֶڦ‬ፇ‫ׯ‬ă໯๖૾ୟ๟ገ࣑ഗࢅথ๭ഗኮक़‫زڦ‬ႜ ຕ਍૾ୟăኡ้ዓཞ้ୟᆯ዁ገ࣑ഗࢅথ๭ഗLjժྺยԢ क़‫ڦ‬JESD204૾ୟ༵ࠃ้ዓă ཮1. JESD204ፌ‫؛‬Քጚ ཚ‫ڢ‬ຕ਍໏୲ۨᅭྺ312.5 Mbpsᇑ3.125 Gbpsኮक़Ljᇸፆੇ ᇑ޶ሜፆੇۨᅭྺ100 Ω ±20%ăֶ‫ۉݴ‬ೝۨᅭྺՔ‫׬‬800 mV ‫ރރ‬ኵĂࠌఇ‫ۉ‬ೝ‫ٗྷݔ‬0.72 V዁1.23 Vă޿૾ୟ૧ᆩ8b/10b ՊஓLj֑ᆩഴ෇๕้ዓLjኄᄣՍ࿮Ⴔୟᆯ‫้ڦྔܮ‬ዓ၍ ୟLjᅜत၎࠲‫ߛڦ‬ຕ਍໏୲ူ‫د‬๼‫ڦ‬ຕ਍ᇑ‫้ڦྔܮ‬ዓ႑ ࡽ‫ܔ‬ഋ‫ްڦ‬ሗႠă‫ړ‬JESD204Քጚਸ๔๴ࠅዚ࠲ጀ้Ljට ்ਸ๔ᅪ๎‫޿ڟ‬ՔጚႴᄲႪ۩ᅜኧ‫߲ܠ׼‬ገ࣑ഗူ‫ܠڦ‬ ୟĂ‫ܔ‬ഋ‫زڦ‬ႜཚ‫ڢ‬Ljᅜ஢ፁገ࣑ഗනᅮሺ‫ڦ׊‬໏‫ݴࢅ܈‬ Ր୲ă ኄዖණ๎ٝ‫ׯ‬କ2008౎4ሆ‫ݻ‬JESD204‫ڼ‬ᅃ߲Ⴊ۩Ӳ‫݀ڦ‬ քLjनJESD204AăُႪ۩Ӳሺेକኧ‫߲ܠ׼‬ገ࣑ഗူ‫ܠڦ‬ ୟ‫ܔ‬ഋ‫ز‬ႜཚ‫ీڦڢ‬૰ă޿ӲԨ໯ኧ‫ڦ׼‬ཚ‫ڢ‬ຕ਍໏୲ᅈ ඗ྺ312.5 Mbps዁3.125 GbpsLjଷྔ࣏ԍାକኡ้ዓࢅ‫ۉ‬ഘ থ੨ࡀ‫ݔ‬ăሺेକ‫ܠܔ‬ୟ‫ܔ‬ഋ‫ز‬ႜཚ‫ڦڢ‬ኧ‫׼‬Lj੗ඟߛ֑ ᄣ໏୲ࢅߛ‫ݴ‬Ր୲‫ڦ‬ገ࣑ഗ‫ڟٳ‬3.125 Gbps‫ڦ‬ፌߛኧ‫׼‬ຕ਍ ໏୲ă཮2ᅜ཮ႚ՗๖JESD204AӲԨዐሺे‫ీࠀڦ‬Ljनኧ ‫ܠ׼‬ཚ‫ڢ‬ă Page 199 MS-2374 ཮2. ‫ڼ‬ᅃӲ – JESD204A ໚඗ፌ‫ڦ؛‬JESD204ՔጚࢅႪ۩ࢫ‫ڦ‬JESD204AՔጚሞႠీ ฉ‫ۼ‬Բ઻‫ڦ‬থ੨ՔጚᄲߛLj໲்ᅈ඗ඍณᅃ߲࠲॰ᅺ໎ă ኄᅃඍณ‫ڦ‬ᅺ໎৽๟૾ୟฉ‫ز‬ႜຕ਍‫ڦ‬ඓۨჽ‫׿‬ă‫ܔ‬ᇀገ ࣑ഗLj‫ړ‬থ๭‫ڟ‬႑ࡽ้Ljැᄲኟඓዘॺఇెᇘ֑ᄣ႑ࡽLj ሶ࠲॰๟କ঴֑ᄣ႑ࡽࢅഄຕጴ՗๖ኮक़‫้ڦ‬Ⴞ࠲ဣ(໚඗ ኄዖ൧઄๟ኍ‫ܔ‬ADCܸჾLj‫ڍ‬DAC‫ڦ‬൧઄ૌຼ)ă޿้Ⴞ ࠲ဣ๴ገ࣑ഗ‫ڦ‬ჽ‫׿‬ᆖၚLj‫ܔ‬ᇀADC,໲ۨᅭྺ๼෇႑ࡽ֑ ᄣՉᄂ‫้ڦ‬ਗ਼኱዁ገ࣑ഗ๼‫؜‬ຕጴኄ܎้क़ా‫้ڦ‬ዓዜ೺ ຕăૌຼ‫ں‬Lj‫ܔ‬ᇀDACLjჽ‫ۨ׿‬ᅭྺຕጴ႑ࡽ๼෇DAC‫ڦ‬ ้ਗ਼኱዁ఇె๼‫؜‬ਸ๔ገՎኄ܎้क़ా‫้ڦ‬ዓዜ೺ຕă JESD204तJESD204AՔጚዐுᆶۨᅭ੗ඓۨႠยዃገ࣑ഗ ჽ‫زࢅ׿‬ႜຕጴ๼෇/๼‫ీࠀڦ؜‬ăଷྔLjገ࣑ഗ‫ڦ‬໏‫ࢅ܈‬ ‫ݴ‬Ր୲ᄺփ܏༵ืăኄၵᅺ໎‫ڞ‬ዂକ޿Քጚ‫߲ܾڼڦ‬Ӳ Ԩ——JESD204Bă 2011౎7ሆLj‫ܾڼ‬ӲԨՔጚ݀քLj‫ྺ׬‬JESD204BLjन‫ړ‬മ ӲԨăႪ۩ࢫ‫ڦ‬ՔጚዐLjഄዐᅃ߲ዘᄲ‫ݛ‬௬৽๟े෇କํ ၄ඓۨჽ‫ڦ׿‬ཉ੼ăଷྔLj‫ܔ‬ຕ਍໏୲‫ڦ‬ኧ‫׼‬ฉื‫ڟ‬କ 12.5 GbpsLjժ‫ׯݴ‬ยԢ‫ڦ‬փཞ໏‫ڪ܈‬पăُႪ۩ӲՔጚ๑ᆩ ยԢ้ዓፕྺዷᄲ้ዓᇸLjܸփ๟ၟኮമӲԨఫᄣᅜኡ้ ዓፕྺዷ้ዓᇸă཮3՗๖JESD204BӲԨዐ‫ڦ‬ႎሺࠀీă ཮3. ‫ړ(ܾڼ‬മ)Ӳ – JESD204B ሞJESD204Քጚኮമ‫ڦ‬ଇ߲ӲԨዐLjுᆶඓԍཚࡗথ੨‫ڦ‬ ඓۨჽ‫׿‬၎࠲‫ڦ‬ཉ੼ăJESD204BႪ۩Ӳཚࡗ༵ࠃᅃዖऐ ዆Ljඓԍଇ߲ฉ‫ۉ‬ዜ೺ኮक़ᅜत૾ୟዘႎཞօ೺क़Ljჽ‫׿‬ ๟੗ዘ၄ࢅඓۨႠ‫ڦ‬ăഄ߾ፕऐ዆ኮᅃ๟ǖሞۨᅭ௽ඓ‫ڦ‬ ้ਗ਼๑ᆩSYNC~๼෇႑ࡽLjཞ้‫؛‬๔ࣅ໯ᆶཚ‫ڢ‬ዐገ࣑ഗ ፌ‫ڦ؛‬ཚ‫ܔڢ‬ഋႾଚăଷᅃዖऐ዆๟๑ᆩSYSREF႑ࡽ—— ᅃዖJESD204Bۨᅭ‫ڦ‬ႎ႑ࡽăSYSREF႑ࡽፕྺዷ้Ⴞ֖ ੊Ljཚࡗ௅߲݀พഗࢅথ๭ഗ‫ڦ‬ยԢ้ዓᅜतԨ‫ܠں‬ኡ้ ዓ‫ܔ‬ഋ໯ᆶాև‫ݴ‬ೕഗăኄᆶዺᇀඓԍཚࡗဣཥ‫ڦ‬ඓۨჽ ‫׿‬ăJESD204Bࡀ‫ۨݔ‬ᅭକෙዖยԢጱૌǖጱૌ0——փኧ ‫׼‬ඓۨႠჽ‫׿‬Ǘጱૌ1——๑ᆩSYSREF‫ڦ‬ඓۨႠჽ‫׿‬Ǘጱ ૌ2——๑ᆩSYNC~‫ڦ‬ඓۨႠჽ‫׿‬ăጱૌ0੗ᇑJESD204A૾ ୟፔ०‫ܔڇ‬Բăጱૌ1ዷᄲኍ‫߾ܔ‬ፕሞ500 MSPSईᅜฉ‫ڦ‬ገ ࣑ഗLjܸጱૌ2yዷsᄲኍ‫߾ܔ‬ፕሞ500 MSPSᅜူ‫ڦ‬ገ࣑ഗă ‫أ‬କඓۨჽ‫׿‬LjJESD204Bኧ‫ڦ׼‬ཚ‫ڢ‬ຕ਍໏୲ฉื‫ڟ‬ 12.5 GbpsLjժॽยԢࣄ‫ྺݴ‬ෙ߲փཞ‫ڦ‬໏‫ڪ܈‬पǖ໯ᆶෙ߲ ໏‫ڪ܈‬प‫ڦ‬ᇸፆੇࢅ޶ሜፆੇ၎ཞLj਩ۨᅭྺ100 Ω ±20%ă ‫ڼ‬ᅃ໏‫ڪ܈‬पᇑJESD204ࢅJESD204AՔጚۨᅭ‫ڦ‬ཚ‫ڢ‬ຕ਍໏ ୲၎ཞLjनཚ‫ڢ‬ຕ਍‫ۉ‬ഘথ੨ፌߛྺ3.125 GbpsăJESD204B ‫ܾڼڦ‬໏‫ڪ܈‬पۨᅭକཚ‫ڢ‬ຕ਍໏୲ፌߛྺ6.375 Gbps‫ۉڦ‬ ഘথ੨ă޿໏‫ڪ܈‬पॽ‫ڼ‬ᅃ໏‫ڪ܈‬प‫ڦ‬ፌ‫ۉݴֶگ‬ೝٗ 500 mV‫ރރ‬ኵইྺ400 mV‫ރރ‬ኵăJESD204B‫ڼڦ‬ෙ໏‫ڪ܈‬ पۨᅭକཚ‫ڢ‬ຕ਍໏୲ፌߛྺ12.5 Gbps‫ۉڦ‬ഘথ੨ă޿໏‫܈‬ ‫ڪ‬प‫ۉ‬ഘথ੨ᄲ൱‫ڦ‬ፌ‫ۉݴֶگ‬ೝই‫گ‬዁360 mV‫ރރ‬ኵă ໜጣփཞ໏‫ڪ܈‬प‫ڦ‬ཚ‫ڢ‬ຕ਍໏୲‫ڦ‬ฉืLjཚࡗই‫گ‬໯Ⴔ ൻ‫ۯ‬ഗ‫ڦ‬უӦ୲Lj๑‫ڥ‬໯Ⴔፌ‫ۉݴֶگ‬ೝᄺໜኮই‫گ‬Ljᅜ Ս࿿૙ํแ߸ྺ०Սă Page 200 ྺ༵ࠃ߸‫ڦܠ‬ଳऄႠLjJESD204BӲԨ֑ᆩยԢ้ዓܸ‫ݥ‬ኡ ้ዓăሞኮമ‫ڦ‬JESD204ࢅJESD204AӲԨዐLjኡ้ዓ๟ JESD204ဣཥ‫ڦ‬ਨ‫้ܔ‬क़֖ቷăኡ้ዓࢅገ࣑ഗ֑ᄣ้ዓ ཚ‫׉‬๟၎ཞ‫ڦ‬ăኄᄣ৽ுᆶፁࠕ‫ڦ‬ଳऄႠLjܸ൐‫ړ‬ᄲॽُ ཞᄣ‫ڦ‬႑ࡽୟᆯߴ‫߲ܠ‬ยԢժऺຕփཞୟᆯୟ০ኮक़‫ڦ‬ೋ ၽ้Lj৽ࣷ‫ܔ‬ဣཥยऺׂิփՂᄲ‫ްڦ‬ሗႠăJESD204B ዐLj֑ᆩยԢ้ዓፕྺJESD204ဣཥ௅߲ᇮॲ‫้ڦ‬क़֖ ቷă௅߲ገ࣑ഗࢅথ๭ഗ‫ݴ‬՚থ๭ᆯ้ዓ݀ิഗ‫ۉ‬ୟׂิ ‫ڦ‬ยԢ้ዓLj޿݀ิഗ‫ۉ‬ୟ޶ሴٗཞᅃ߲ᇸׂิ໯ᆶยԢ ‫้ڦ‬ዓăኄඟဣཥยऺ߸ेଳऄLj‫ڍ‬Ⴔྺ௅߲ߴۨยԢኸ ۨኡ้ዓࢅยԢ้ዓኮक़‫࠲ڦ‬ဣă JESD204——ྺ๊஺࿢்ᄲዘ๫໲Ǜ ৽ၟब౎മLVDSਸ๔ൽ‫پ‬CMOS‫ྺׯ‬ገ࣑ഗຕጴথ੨रຍ ‫ڦ‬๯჋LjJESD204ᆶྭሞ࿄ઠຕ౎ాᅜૌຼ‫ݛڦ‬๕݀ቛă ໚඗CMOSरຍణമ࣏ሞ๑ᆩዐLj‫ڍ‬ᅙएԨԥLVDS໯ൽ ‫پ‬ăገ࣑ഗ‫ڦ‬໏‫ݴࢅ܈‬Ր୲ᅜत‫ڦࡼࠀگ߸ܔ‬ᄲ൱ፌዕ๑ ‫ڥ‬CMOSࢅLVDSॽփም๢ࢇገ࣑ഗăໜጣCMOS๼‫ڦ؜‬ຕ ਍໏୲༵ߛLjຨༀ‫ୁۉ‬ᄺࣷሺ‫ٷ‬Lj‫ڞ‬ዂ߸ߛ‫ࡼࠀڦ‬ă໚඗ LVDS‫ࡼࠀࢅୁۉڦ‬ᅈ඗၎‫ܔ‬ডྺೝ།Lj‫ڍ‬থ੨੗ኧ‫ڦ׼‬ ፌߛ໏‫܈‬๴‫ڟ‬କ၌዆ăኄ๟ᆯᇀൻ‫ۯ‬ഗॐࠓᅜतዚ‫ܠ‬ຕ਍ ၍ୟ‫ۼ‬ՂႷඇևᇑగ߲ຕ਍้ዓཞօ໯‫ڞ‬ዂ‫ڦ‬ă཮4၂๖ ᅃ߲ມཚ‫ڢ‬14࿋ADC‫ڦ‬CMOSĂLVDSࢅCML๼‫ڦ؜‬փཞࠀ ࡼᄲ൱ă MS-2374 ཮4. CMOSĂLVDSࢅCMLൻ‫ۯ‬ഗࠀࡼԲড ሞ‫ٷ‬ሀ150 MSPS዁200 MSPSࢅ14࿋‫ݴ‬Ր୲้Lj৽ࠀࡼܸჾLj CML๼‫؜‬ൻ‫ۯ‬ഗ‫ڦ‬ၳ୲ਸ๔቞ᆫăCML‫ڦ‬ᆫ‫ۅ‬๟ǖᅺྺຕ ਍‫زڦ‬ႜࣅLj໯ᅜ‫ܔ‬ᇀߴۨ‫ݴڦ‬Ր୲Lj໲Ⴔᄲ‫ڦ‬๼‫ܔ؜‬ຕ ณᇀLVDSࢅCMOSൻ‫ۯ‬ഗăJESD204Bথ੨ࡀ‫ݔ‬໯ຫ௽‫ڦ‬ CMLൻ‫ۯ‬ഗ࣏ᆶᅃ߲‫ڦྔܮ‬ᆫ๞Ljᅺྺ‫֑ړ‬ᄣ໏୲༵ߛժ ༵ื๼‫؜‬၍ୟ໏୲้Lj޿ࡀ‫ݔ‬ᄲ൱ই‫ރރگ‬ኵ‫ۉ‬უ຤ೝă ཞᄣLjኍ‫ڦۨߴܔ‬ገ࣑ഗ‫ݴ‬Ր୲ࢅ֑ᄣ୲Lj໯Ⴔ‫ڦ‬ᆅগຕ ణᄺ‫ྺٷ‬३ณă՗1၂๖֑ᆩ200 MSPSገ࣑ഗ‫ڦ‬ෙዖփཞথ ੨߳ጲ‫ڦ‬ᆅগຕణLjገ࣑ഗਏᆶ߳ዖཚ‫ڢ‬ຕࢅ࿋‫ݴ‬Ր୲ă ሞCMOSࢅLVDS๼‫؜‬ዐLjຕ਍ᆩፕ௅߲ཚ‫ڢ‬ຕ਍‫ڦ‬ཞօ้ ዓLj๑ᆩCML๼‫้؜‬LjJESD204Bຕ਍‫د‬๼‫ڦ‬ፌ‫ٷ‬ຕ਍໏୲ ྺ4.0 Gbpsăٗ޿՗ዐ੗ᅜ݀၄Lj๑ᆩCMLൻ‫ۯ‬ഗ‫ڦ‬JESD204B ᆫ๞ๆ‫ݴ‬௽၂Ljᆅগຕ‫ྺٷ‬३ณă Page 201 MS-2374 ՗1. ᆅগຕԲড – 200 MSPS ADC ཚ‫ڢ‬ຕ ‫ݴ‬Ր୲ 1 12 2 12 4 12 8 12 1 14 2 14 4 14 8 14 1 16 2 16 4 16 8 16 CMOSᆅগຕ 13 26 52 104 15 30 60 120 17 34 68 136 ᄽాଶံ‫ڦ‬ຕ਍ገ࣑ഗࠃᆌฆADIᇨ९‫ڟ‬କླྀ‫ۯ‬ገ࣑ഗຕ ጴথ੨ၠJESD204(ᆯJEDECۨᅭ)݀ቛ‫ڦ‬൵๞ăADIጲٗ‫؛‬ ӲJESD204ࡀ‫݀ݔ‬քኮ้ഐन֖ᇑՔጚ‫ۨڦ‬ᅭăপ዁ణമྺ ኹLjADI݀քକ‫੼ܠ‬ገ࣑ഗׂ೗Ljग़ඹJESD204ࢅJESD204A ๼‫؜‬Ljణമኟሞጣ๮ਸ݀๼‫؜‬ग़ඹJESD204B‫ׂڦ‬೗ă AD9639๟ᅃ੼຺ཚ‫ڢ‬Ă12࿋Ă170 MSPS/210 MSPS ADCLj ण‫ׯ‬JESD204থ੨ăAD9644ࢅAD9641๟14࿋Ă80 MSPS/ 155 MSPSĂມཚ‫ڢ‬/‫ڇ‬ཚ‫ڢ‬ADCLjण‫ׯ‬JESD204Aথ੨ăDAC ኄ‫ݛ‬௬Ljፌৎ݀ք‫ڦ‬AD9128๟ᅃ੼ມཚ‫ڢ‬Ă16࿋Ă1.25 GSPS DACLjण‫ׯ‬JESD204Aথ੨ăᇡକ঴ᆶ࠲ADIࠅິग़ඹJESD204 Քጚ‫ׂܠ߸ڦ‬೗Lj൩‫ݡ‬࿚www.analog.com/cn/jesd204ă ໜጣገ࣑ഗ໏‫ݴࢅ܈‬Ր୲‫ߛ༵ڦ‬Lj‫ܔ‬ᇀၳ୲߸ߛ‫ڦ‬ຕጴথ ੨‫ڦ‬Ⴔ൱ᄺໜኮሺ‫׊‬ăໜጣJESD204‫ز‬ႜຕ਍থ੨‫݀ڦ‬ ௽Ljᄽহਸ๔ᅪ๎‫ڟ‬କኄ‫ۅ‬ăথ੨ࡀ‫ݔ‬ᅈ඗ሞփ܏݀ቛ ዐLjᅜ༵ࠃ߸ᆫႯĂ߸੺໏‫ॽ݆ݛڦ‬ຕ਍ሞገ࣑ഗࢅ FPGA(ईASIC)ኮक़‫د‬๼ăথ੨ঢ়ࡗଇ߲ӲԨ‫߀ڦ‬৊ࢅํ แLjᅜ๢ᆌ‫ߛ߸ܔ‬໏‫ݴࢅ܈‬Ր୲ገ࣑ഗփ܏ሺ‫ڦ׊‬Ⴔ൱ă ቛྭገ࣑ഗຕጴথ੨‫݀ڦ‬ቛ൵๞Lj၂඗JESD204ᆶྭ‫ྺׯ‬ ຕጴথ੨዁ገ࣑ഗ‫ڦ‬ᄽহՔጚă௅߲Ⴊ۩Ӳ‫ۼ‬஢ፁକ‫ܔ‬ᇀ ߀৊ഄํแ‫ڦ‬ᄲ൱LjժሎႹՔጚᄇ৊ᅜ๢ᆌገ࣑ഗरຍ‫ڦ‬ ߀Վतᆯُ‫ټ‬ઠ‫ڦ‬ႎႴ൱ăໜጣဣཥยऺሁઠሁްሗLjᅜ LVDSᆅগຕ(DDR) 14 28 56 112 16 32 64 128 18 36 72 144 CMLᆅগຕ(JESD204B) 2 4 8 16 2 4 8 16 2 4 8 16 त‫ܔ‬ገ࣑ഗႠీᄲ൱‫ߛ༵ڦ‬LjJESD204Քጚᆌ޿੗ᅜ৊ᅃ օۙኝࢅᄇ৊Lj஢ፁႎยऺ‫ڦ‬Ⴔᄲă ֖੊࿔၅ JEDECՔጚǖJESD204(2006౎4ሆ)ăJEDECࠦༀरຍၹࣷLj ྪ኷www.jedec.org JEDECՔጚǖJESD204A(2008౎4ሆ)ăJEDECࠦༀरຍၹ ࣷLjྪ኷www.jedec.org JEDECՔጚǖJESD204B(2011౎7ሆ)ăJEDECࠦༀरຍၹ ࣷLjྪ኷www.jedec.org ፕኁ०঻ Jonathan Harris๟ADIࠅິߛ໏ገ࣑ഗև(ԛਸ਼ஆઠభዝ߭ଠ ຯձஆ)‫ڦ‬ᅃఁׂ೗ᆌᆩ߾‫ײ‬฾ăፕྺᅃఁׂ೗ኧ‫׼‬ᆌᆩ߾ ‫ײ‬฾Lj໱ሞพೕᄽᆛᆶ‫ࡗג‬೿౎‫ڦ‬ঢ়ᄓăJonathanሞӎԨ ‫ٷ‬ბࢅԛਸ਼ஆઠభ‫ٷ‬ბဲ஍༬‫ݴ‬ၯ‫ݴ‬՚इ‫ۉڥ‬ጱ߾‫ײ‬ຬ๗ (MSEE)ࢅ ‫ ۉ‬ጱ ߾ ‫ ײ‬ბ ๗ (BSEE)ბ ࿋ ă ૴ ဣ ‫ ݛ‬๕ ǖ jonathan.harris@analog.com One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA11322sc-0-10/13(A) Page 202 www.analog.com/cn ©2013 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2670 ຕጴႴ൱ǖߛ໏ADCࢅૃ‫ٳ‬ဣཥ ‫ڦ‬཈቟ᇑ঴ਦ‫ݛ‬ӄ Duncan BosworthLjADIࠅິ ၄‫ߛپ‬पૃ‫ٳ‬ဣཥ๴‫ݛܠڟ‬௬‫ڦ‬཈቟Ljට்༵‫؜‬କ‫ڦྔܮ‬ ᅃၵሏႜᄲ൱LjԈઔႴᄲኧ‫تీࠀܠ׼‬૙ࢅ‫ۯ‬ༀఇ๕ۙ ኝăُྔLjೕ୲‫ݴ‬ದฉ‫ڦ‬ፌႎՎࣅ‫ڞ‬ዂႹ‫ٳૃܠ‬ဣཥ‫߾ڦ‬ ፕೕ୲‫׉ݥ‬থৎཚ႑ए‫إ‬ยแࢅഄ໱ೕ೷ᄲ൱टߛ‫ڦ‬ဣ ཥă࿄ઠ‫ڦ‬ೕ೷ᆛ෗ጒ઄ᇨ೺ࣷ߸ჹዘLj࿚༶ॽܱࣅ‫ૃڟ‬ ‫ٳ‬ဣཥႴᄲሞሏႜ้৊ႜۙኝᅜ๢ᆌ࣍ৣࢅሏႜᄲ൱Ljኄ ๑‫ٳૃڥ‬ဣཥႴᄲၠණኪࣅࢅຕጴࣅ݀ቛă ߸‫ܠ‬ຕጴ႑ࡽ‫ت‬૙‫ڦ‬Ⴔ൱ླྀ‫ٳૃۯ‬႑ࡽ૾ᄲ৑ራၠຕጴࣅ ࡗ‫܉‬Lj๑‫ڥ‬ఇຕገ࣑ഗ(ADC)߸੍ৎཀ၍Ljኄ৊ܸᆼࣷ‫ټ‬ ઠැ߅ਏ཈቟Ⴀ‫ڦ‬ဣཥ֫௬వ༶ăྺକ߸ศ෇‫ں‬༪ஃኄ߲ ࿚༶Lj཮1၂๖କణമ‫ۆ‬႙‫ڦ‬Xհ܎ૃ‫ٳ‬ဣཥ‫୼߁ْ֫ߛڦ‬ ཮ă޿ဣཥཚ‫׉‬๑ᆩଇ߲ఇెंೕपă‫ڼ‬ᅃपॽஞ؋๕ૃ ‫࣮ٳ‬հंೕ዁ሀ1 GHzೕ୲Lj‫ܾڼ‬पंೕ዁100዁200 MHz‫ڦ‬ ዐೕ(IF)LjᅜՍీࠕ૧ᆩ200 MSPSई߸‫ڦگ‬ఇຕገ࣑ഗ‫ܔ‬႑ ࡽ৊ႜ12࿋ई߸ߛ‫ݴ‬Ր୲‫֑ڦ‬ᄣă ཮1. ๑ᆩ‫ڼ‬ᅃࢅ‫ܾڼ‬ዐೕ(IF)‫ٳૃڦ‬থ๭ऐॐࠓ๖૩ ሞ޿ॐࠓዐLjೕ୲যՎࢅஞ؋უ໫‫ీࠀڪ‬੗ሞఇెᇘዐํ ၄Ljኄ੗ీႴᄲ‫ܔ‬႑ࡽ‫ت‬૙৊ႜᅃၵ߸߀ࢅۙኝLj‫༹ٷڍ‬ ܸჾLjဣཥࠀీ๴၌ᇀຕጴࣅ໏୲ăᆌ‫ړ‬ጀᅪLjन๑ᅜ 200 MSPS‫ڦ‬ຕ਍໏୲৊ႜ֑ᄣLjૃ‫تٳ‬૙ᄺీၠമੵ৊ᅃ ‫ٷ‬օLj‫ڍ‬࿢்ኟሞၠႎ‫ڦ‬঩܎཭೦LjօጱՂႷም஝‫ٷ‬ᅃ ‫ۅ‬Ljํ၄ඇຕጴࣅૃ‫ٳ‬ă ৎ౎ઠLj௅௱ഥቹ֑ᄣ(GSPS) ADCᅙॽဣཥዐ‫ڦ‬ຕጴࣅ‫ۅ‬ ླྀ৊‫ڼڟ‬ᅃंೕपኮࢫLj๑‫ڥ‬ຕጴࣅገՎ߸থৎཀ၍ăఇ ె‫ࡗג੻ټ‬1.5 GHz‫ڦ‬GSPSገ࣑ഗᅙ඗ీࠕኧ‫ڼ׼‬ᅃዐೕ‫ڦ‬ ຕጴࣅLj‫ڍ‬ሞႹ‫ܠ‬൧઄ူLj‫ړ‬മGSPS ADC‫ڦ‬Ⴀీ၌዆କኄ ዖ঴ਦ‫ݛ‬ӄ‫ڦ‬থ๴‫܈ײ‬Ljᅺྺഗॲ‫ڦ‬၍Ⴀ‫ࢅ܈‬ሯำೕ೷௢ ‫܈‬փ஢ፁဣཥᄲ൱ă ଷྔLjߛ໏ADCᇑຕጴ႑ࡽ‫ت‬૙ೝ໼(ཚ‫׉‬๟FPGA)ኮक़‫ڦ‬ ຕ਍ᅎ‫ۯ‬Lj኱‫ڟ‬ፌৎ࣏๟ᅜժႜ‫گ‬უֶ‫ݴ‬႑ࡽ(LVDS)থ੨ ྺዷᄲ཰০ă඗ܸLj๑ᆩLVDSຕ਍ጺ၍ٗገ࣑ഗ๼‫؜‬ຕ ਍ࣷ‫ټ‬ઠᅃၵरຍవ༶Ljᅺྺ‫ڇ‬ཉLVDSጺ၍໯Ⴔ‫߾ڦ‬ፕ ໏୲ॽᇺᇺ‫ࡗג‬IEEEՔጚ‫ڦ‬ፌ‫ٷ‬໏୲ᅜतFPGA‫تڦ‬૙ీ ૰ăྺକ঴ਦኄ߲࿚༶Lj๼‫؜‬ຕ਍Ⴔᄲ঴ްᆩ‫ڟ‬ଇཉई(߸ ᅃӯ‫຺)ں‬ཉLVDSጺ၍LjᅜՍই‫گ‬௅ཉጺ၍‫ڦ‬ຕ਍໏୲ă ૩සLj֑ᄣ໏୲‫ࡗג‬2 GSPS‫ڦ‬10࿋ADCཚ‫ॽ׉‬Ⴔᄲ‫ܔ‬๼‫؜‬ ৊ႜ4Ԡ঴ްᆩLjLVDSጺ၍੻‫ٳॽ܈‬40࿋ăܸႹ‫ٳૃܠ‬ဣ ཥLjᆮഄ๟၎੦ንLj֑ࣷᆩ‫߲ܠ‬GSPS ADCLjසُ‫ڦܠ‬ཚ‫ڢ‬ Ⴔᄲք၍ࢅ‫܈׊‬೅ದLjᆘॲਸ݀࢔੺৽ࣷՎ‫ڥ‬࿮݆࠶૙Lj ߸փᆩຫࢻ૶໯Ⴔ‫ڦ‬FPGAᆅগຕଉƽ ႎ႙GSPS ADCփৈీਖ਼‫ޜ‬၄ᆶ཈቟Ljܸ൐੗৊ᅃօᆫࣅဣ ཥăྺ๑ຕጴࣅ߸থৎཀ၍Ljُૌገ࣑ഗ༵ࠃ࿮ᇑ୿Բ‫ڦ‬ ၍Ⴀ‫ࢅ܈‬3 GHzᅜฉ‫ڦ‬ఇె‫੻ټ‬Ljኧ‫׼‬Lհ܎ࢅ‫ٷ‬և‫ݴ‬Sհ܎ ‫ڦ‬വ֑ᄣăኄᄣLjሞኄၵհ܎ా৽੗ᅜ኱থ৊ႜRF֑ᄣLj ܸ࿮ႴंೕഗपLjഗॲຕଉࢅဣཥ؅٫‫ڥ‬ᅜ໫३ă߸ߛೕ ୲‫ڦ‬ဣཥᄺీ๑ᆩ߸ߛዐೕLjܸٗ੗ᅜ३ณंೕपࢅ୳հ ഗ‫ڦ‬ຕଉLjժ൐ᆯᇀీࠕ๑ᆩ੻‫ڦྷݔ‬ዐೕLjೕ୲ࡀࣄ჋ ၜ‫ڥ‬ᅜሺेă ߸ߛ‫ڦ‬၍Ⴀ‫ڦگ߸ࢅ܈‬ሯำೕ೷௢‫܈‬๑ُૌႎഗॲీࠕᆩ ᇀူᅃ‫ٳૃپ‬ဣཥăໜጣೕ೷௢‫ߛ༵܈‬LjՂႷ༵ࠃ߸ߛ‫ڦ‬ ‫ۯ‬ༀ‫࠶ీ֍ྷݔ‬૙ૃ‫࣮ٳ‬հೕ୲޹ৎ‫ڦ‬ፆ෗ई߅ඡ႑ࡽă ፌႎ‫ڦ‬GSPS ADCీࠕ༵ࠃ75 dBcᅜฉ‫ڦ‬SFDRLjԲፌৎๆ౎ ௬๨‫ڦ‬ഗॲߛ‫؜‬ৎ20 dBcăᇑႎৎ‫ڦ‬ཚ႑ए‫إ‬ยแೕ୲‫ݴ‬ದ ၎৪ኛ้Ljኄᅃੵሁ๕৊օ၂‫े߸ڥ‬ዘᄲă Page 203 MS-2670 ఇె‫੻ټ‬Ă၍Ⴀ‫ࢅ܈‬ሯำ‫ݛ‬௬‫߀ڦ‬฀੗ᅜԥੂፕ๟ഗॲ዆ ሰฆ‫ူڦ‬ᅃօஇड݀ቛăփࡗLjႎ႙GSPS ADC‫ڦ‬ଇ߲ႎሺ ༬Ⴀ੗ྺဣཥยऺ฾‫ټ‬ઠ߸‫ڦٷ‬Ս૧Ljᆶ੗ీ༵ࣷߛኄၵ ഗॲሞ࿄ઠဣཥዐ‫ڦ‬থ๴‫܈ײ‬ǖ x JESD204Bຕ਍૾ୟথ੨Ǘ x ገ࣑ഗዐഴ෇‫ڦ‬DSPࠀీLjኄ‫ܔ‬ဣཥยऺ฾‫׉ݥ‬ᆶ ૧Ljժ൐੗ᅜবูࠀࡼă ැ߅ߛ໏ADCፌৎᅙᆅ෇JESD204Bຕ਍૾ୟLj‫ڍ‬໲‫ܔ‬ GSPSገ࣑ഗፌᆶࡻ‫ت‬LjᅺྺLVDSথ੨ᅙ࢔వ஢ፁဣཥႴ ൱ăJESD204B๟ᅃዖߛ໏‫ز‬ႜՔጚLjኧ‫׼‬૧ᆩ߸ณຕଉ‫ڦ‬ ֶ‫(૶ࢻݴ‬FPGAᆅগ)ํ၄ߛ໏ADCᇑFPGAईഄ໱‫ت‬૙ഗ ኮक़‫ڦ‬ຕ਍‫د‬๼ă໲๟ᅃዖਸၨ‫ڦگ׉ݥ‬ၹᅱLjएᇀ 8b10bՊஓ‫ݛ‬ӄLjኧ‫ٳߛ׼‬12.5 Gbps‫ڦ‬հ༬୲ă ူ௬ᅜADIࠅິ‫ڦ‬ႎ႙2.0 GSPSĂ12࿋ገ࣑ഗAD9625ྺ૩ઠ ༪ஃഄᆫ๞ă޿ገ࣑ഗ‫ڦ‬๼‫؜‬ຕ਍໏୲๟24 Gbpsă्ยLVDS ຕ਍ጺ၍‫ڦ‬ፌߛ໏୲๟1 GbpsLjժ൐ࢮ୼ຕ਍Ԉጎ࿚༶Ljఫ ஺ॽႴᄲ24߲LVDS‫ీ֍ܔ‬ኧ‫ُ׼‬থ੨Ljᆘॲք၍้Lj໯ᆶ‫ܔ‬ ‫ڦ‬PCBጽ၍‫ۼ܈׊‬Ⴔᄲ೅ದăැ֑ᆩፌ‫ٷ‬հ༬୲ྺ6.25 Gbps ‫ڦ‬JESD204BLjሶኻႴᄲ6ཉJESD204B૾ୟ৽ీኧ‫ُ׼‬ገ࣑ ഗ‫ڦ‬๼‫؜‬ă཮2ൣ‫ؤ‬၂๖କഄᆫ๞LjAD9625ᇑFPGAኮक़ৈ Ⴔքย8ཉJESD204Bཚ‫ڢ‬न੗ኧ‫׼‬ඇຕ਍໏୲2.0 GSPSă ُྔLj‫ړ‬๑ᆩ‫ܠ‬ཉJESD204Bཚ‫้ڢ‬LjPCBጽ၍‫܈׊‬೅ದ‫ڦ‬ᄲ ൱‫ݣޗٷ‬຿LjᅺྺՔጚৈᄲ൱ཚ‫ڢ‬क़‫ܔ‬ഋ৛‫ڟٳ܈‬920 psLj ߳JESD204Bཚ‫ڦڢ‬ୟ০ჽ‫׿‬ሎႹ٪ሞড‫ֶڦٷ‬ᅴăJESD204 Քጚ‫ڦ‬ፌႎ“B”Ӳ࣏ኧ‫׼‬ඓۨႠჽ‫׿‬Lj੗ᅜऺ໙૗ਸߛ໏ ADC‫ڦ‬ຕ਍ᇑ‫ٳڟ‬FPGA‫ڦ‬ຕ਍ኮक़‫ڦ‬ჽ‫׿‬ăසࡕ޿ჽ‫׿‬ ้क़੗ᅜඓۨLjఫ஺৽੗ᅜሞຕጴࢫ‫ت‬૙ዐᇎᅜց‫׋‬Lj๑ ຕ਍ୁዘႎ‫ܔ‬ഋժཞօLjኄ๟֑ᆩGSPSገ࣑ഗ‫ڦ‬၎੦ንࢅ հຐ‫ׯ‬ႚဣཥ‫࠲ڦ‬॰ᄲ൱ă JESD204B‫ܔ‬ᆘॲยऺ฾༬՚ᆶ૧Lj‫ڍ‬ႎ႙ߛ໏ADC‫ڦ‬ፌ‫ٷ‬ ࡻ‫ت‬੗ీ๟ሺेକຕጴ႑ࡽ‫ت‬૙ăAD9625‫ڪ‬ႎᅃ‫پ‬GSPS ገ࣑ഗएᇀ65 nmई߸ၭबࢆ؅٫‫ڦ‬CMOS߾ᅝLjీࠕᅜ‫ݥ‬ ‫ڦߛ׉‬ຕ਍໏୲ኧ‫߳׼‬ዖ߳ᄣ‫ڦ‬ຕጴ႑ࡽ‫ت‬૙ăৎ೺ܸ ჾLjߛ໏ADCॽഴ෇ሏႜ้੗჋‫ڦ‬ຕጴইೕገ࣑ഗ(DDC)Lj ස཮3໯๖ă ཮3. ‫ټ‬ഴ෇๕DSP‫ڦ‬ႎ႙GSPS ADC ૃ‫ٳ‬հႚ‫੻ټ‬ᅺᆌᆩփཞܸᆶ࢔‫ֶٷ‬ᅴLj૩සLjగၵࢇ‫ׯ‬ ੥০‫ׯ‬ၟૃ‫ٳ‬հႚႴᄲຕӥMHz‫੻ټڦ‬Ljܸ߶ጷૃ‫ٳ‬๑ᆩ ‫ڦ‬հႚ‫੻ټ‬੗ీኻᆶຕๆMHzई߸ณăࡗඁLjැGSPS ADC߸੍ৎཀ၍Ljሶᅪ࿆ጣሞగၵ൧઄ူࣷᆶ‫ٷ‬ଉփႴᄲ ‫੻ټڦ‬ԥ‫د‬๼‫ڟ‬FPGAई‫ت‬૙ഗăሞ၄‫پ‬FPGAࢅߛ໏ADC ዐLjසࡕփ๟‫ٷ‬և‫ݴ‬Ljᄺᆶ၎‫ړ‬ᅃև‫ࡼࠀݴ‬ᇑഗॲ‫ڦ‬থ੨ ၎࠲LjᅺُLjࡹ࿮ᆩ‫دںت‬๼‫ٷ‬ଉփႴᄲ‫ߛ༵ࣷ੻ټڦ‬ဣ ཥࠀࡼăሞ࿄ઠ‫ܠڦ‬ఇ๕ૃ‫ٳ‬ዐLj‫ۯ‬ༀ๑ీDDC‫ీڦ‬૰ॽ ๟ᅃ‫ٷ‬ᆫ๞Lj੗३ൟFPGA‫ްڦ‬ሗ‫ت‬૙޶ࢁă ཮2. ֑ᆩJESD204B‫ڦ‬GSPS FPGAॄ֫ਸ਼(FMC) PCBք၍ Page 204 DDCणຕጴຕ੦ና‫ږ‬ഗ(NCO)ࢅ؏ൽ୳հഗᇀᅃ༹Ljీࠕ ሞߛ໏ADC‫ڦ‬లઊຯ༬ೕ܎ా჋ስ႑ࡽ‫ࢅ੻ټ‬႑ࡽ࿋ዃLj ৈॽႴᄲ‫ڦ‬๢‫ړ‬ຕ਍‫د‬๼ߴ႑ࡽ‫ت‬૙ഗॲă૩සLj੊୯ᅃ ߲ሞ800 MHz‫ڦ‬ዐೕ๑ᆩ30 MHz‫੻ټ‬հႚ‫ٳૃڦ‬ăසࡕᆩᅃ ߲ADCᅜ2.0 GSPS‫֑ڦ‬ᄣ໏୲৊ႜ12࿋‫ݴ‬Ր୲‫֑ڦ‬ᄣLjሶຕ ਍๼‫ॽ੻ټ؜‬๟1000 MHzLjᇺᇺ‫ࡗג‬႑ࡽ‫੻ټ‬Ljገ࣑ഗ‫ڦ‬ ๼‫؜‬ຕ਍໏୲ॽ‫ٳ‬3.0 GB/săසࡕ૧ᆩDDCᅜ16Ԡ‫ڦ‬Բ୲؏ ൽຕ਍Ljሶփৈీ৊ᅃօই‫گ‬ሯำLjܸ൐๼‫؜‬ຕ਍໏୲ই ዁625 MB/sᅜူLjኄᄣኻႴ๑ᆩᅃཉJESD204Bཚ‫دీ৽ڢ‬๼ ຕ਍ăኝ༹ဣཥ‫ࡼࠀڦ‬Ⴔ൱ॽᅺُܸ‫ޗٷ‬ই‫گ‬ăᆯᇀ੗ߵ ਍Ⴔᄲ‫ۯ‬ༀದዃDDCईᇎᅜಖୟLjႎ႙ߛ໏ADC੗ሞփཞ ఇ๕ኮक़ൎ࣑LjᅜՍኧ‫׼‬ኍ‫ࢅࡼࠀܔ‬ऐਏ৊ႜᆫࣅ‫ڦ‬঴ਦ ‫ݛ‬ӄLjժ൐ӻዺํ၄ණኪ๕ૃ‫ٳ‬ᆌᆩ໯Ⴔ‫ڦ‬༬Ⴀणࢇă AD9625‫ڪ‬ႎ႙GSPS ADCྺૃ‫ٳ‬ဣཥॐࠓ฾༵ࠃକ‫ܠ‬ዖዘ ᄲ‫ڦ‬჋ၜLjഄఇె‫֑ࢅ੻ټ‬ᄣ໏୲ᆶዺᇀ३ณഗॲຕଉई ৊ႜ኱থRF֑ᄣăJESD204Bথ੨ࢅഴ෇๕DSP჋ၜ๑‫ڥ‬ย ऺ฾इൽኄၵᆫ๞ምᄺփႴᄲ޲‫ࢅࡼࠀߛ༵؜‬ӱްሗ‫ڦ܈‬ ‫پ‬ॏă‫ۯ‬ༀದዃߛ໏ADC‫ీڦ‬૰੗ํ၄‫ీࠀܠ‬ኧ‫׼‬Lj஢ፁ ‫ॺظ‬ඇຕጴ๕ණኪૃ‫ٳ‬ဣཥ‫ڦ‬Ⴔ൱ă MS-2670 TA12504sc-0-6/14 Page 205 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2629 ߛ໏ገ࣑ഗǖాࡥĂᇱᅺࢅᇱ૙ ߁ຎ ፕኁǖDavid RobertsonLjADIࠅິఇెरຍևޭጺ֋ ፕྺ“၄ํ๘হ”ఇెᇘᇑ1ࢅ0ࠓ‫ڦׯ‬ຕጴ๘হኮक़‫࠲ڦ‬ ੨Ljຕ਍ገ࣑ഗ๟၄‫پ‬႑ࡽ‫ت‬૙ዐ‫࠲ڦ‬॰ᄲ໎ኮᅃăࡗඁ 30౎Ljຕ਍ገ࣑ଶᇘᆥ၄‫؜‬କ‫ٷ‬ଉ‫ظ‬ႎरຍLjኄၵरຍփ ‫ڍ‬ዺླྀକٗᅅଐ‫ׯ‬ၟ‫ނڟ‬࿡ཚ႑Ăም‫ڟ‬ၩ‫ݯ‬ᅼ๫ೕLj߲߳ ଶᇘ‫ڦ‬Ⴀీ༵ืࢅॐࠓ৊օLjཞ้࣏ྺํ၄ඇႎᆌᆩࣩ݀ କዘᄲፕᆩă ੻‫ټ‬ཚ႑ࢅߛႠీ‫ׯ‬ၟᆌᆩ‫׼ڦ‬Ⴤકቧཫ၂‫ߛ؜‬໏ຕ਍ገ ࣑‫ڦ‬༬๺ዘᄲႠǖገ࣑ഗᄲీ‫ت‬૙‫ྷݔ੻ټ‬ሞ10 MHz዁1 GHz ᅜฉ‫ڦ‬႑ࡽăට்ཚࡗ‫ܠ‬ዖ߳ᄣ‫ڦ‬ገ࣑ഗॐࠓઠํ၄ኄၵ ডߛ‫ڦ‬໏୲Lj߳ᆶഄᆫ๞ăߛ໏ူሞఇెᇘࢅຕጴᇘኮक़ ઠ࣮ൎ࣑ᄺ‫ܔ‬႑ࡽྜኝႠ༵‫؜‬କᅃၵ༬๺‫ڦ‬཈቟——փৈ ఇె႑ࡽසُLj้ዓࢅຕ਍႑ࡽᅨ๟සُăକ঴ኄၵ࿚༶ փৈ‫ܔ‬ᇀፇॲ჋ስๆ‫ݴ‬ዘᄲLjܸ൐ฯ዁ࣷᆖၚኝ༹ဣཥॐ ࠓ‫ڦ‬჋ስă ߸੺Ă߸੺Ă߸੺ ሞႹ‫ܠ‬रຍଶᇘLj࿢்သ࠹ᇀӝरຍ৊օᇑ߸ߛ‫ڦ‬໏୲࠲ ૴ഐઠǖ ٗᅜ໿ྪ‫ڟ‬࿮၍ਆᇘྪም‫ނڟ‬࿡ᅎ‫ྪۯ‬ஏLjຕ਍ ཚ႑‫ํڦ‬ዊ৽๟փ܏༵ߛຕ਍‫د‬๼໏୲ăཚࡗ้ዓ໏୲‫ڦ‬ ৊օLjྲ‫ت‬૙ഗĂຕጴ႑ࡽ‫ت‬૙ഗࢅFPGA݀ቛๆ‫ݴ‬ტ ໏ăኄၵഗॲዷᄲ‫ڥ‬ᅮᇀ؅٫փ܏໫ၭ‫์ڦ‬ਗ਼߾ᅝLj঳ࡕ ሰ৽‫؜‬ਸ࠲໏୲߸੺Ă༹ओ߸ၭ(ܸ൐ࠀࡼ߸‫ڦ)گ‬ৗ༹ ࠶ăኄၵ৊օ‫ظ‬ሰ‫؜‬ᅃ߲‫ت‬૙ీ૰ࢅຕ਍‫װ੻ټ‬ኸຕपሺ ‫ৣ࣍ڦ׊‬ăኄၵഽ‫ڦٷ‬ຕጴᆅ൤‫ټ‬ઠକཞᄣ‫װ‬ኸຕपሺ‫׊‬ ‫ڦ‬႑ࡽࢅຕ਍‫ت‬૙Ⴔ൱ǖٗৢༀ཮ၟ‫ڟ‬๫ೕLj‫੻ټڟ‬ೕ ೷Lj࿮ஃ๟ᆶ၍࣏๟࿮၍Lj਩๟සُăሏႜ้ዓ໏୲ྺ 100 MHz‫تڦ‬૙ഗईႹీᆶၳ‫تں‬૙‫ྺ੻ټ‬1 MHz዁10 MHz ‫ڦ‬႑ࡽǖሏႜ้ዓ໏୲‫ٳ‬ຕGHz‫تڦ‬૙ഗీࠕ‫ت‬૙‫ٳ੻ټ‬ ຕӥMHz‫ڦ‬႑ࡽă ཮1. Page 206 MS-2629 ጲ඗‫ں‬Lj߸ഽ‫تڦ‬૙ీ૰Ă߸ߛ‫تڦ‬૙໏୲ࣷ‫ڞ‬ዂ߸੺‫ڦ‬ ຕ਍ገ࣑ǖ੻‫ټ‬႑ࡽક‫ٷ‬ഄ‫ڟٳྫྫ(੻ټ‬࿿૙ई॔࠶ऐࠓ ยۨ‫ڦ‬ೕ೷ट၌)Lj‫ׯ‬ၟဣཥლ൱༵ߛ௅௱ၟ໎‫ت‬૙ీ૰Lj ᅜՍ߸े੺໏‫تں‬૙߸ߛ‫ݴ‬Ր୲‫཮ڦ‬ၟăဣཥॐࠓླྀ‫؜ר‬ ႎLjᅜ૧ᆩटߛ‫ڦ‬ኄዖ‫ت‬૙ႠీLjഄዐ࣏‫؜‬၄କժႜ‫ت‬૙ ‫ڦ‬൵๞Ljኄ੗ీᅪ࿆ጣ‫ܠܔ‬ཚ‫ڢ‬ຕ਍ገ࣑ഗ‫ڦ‬Ⴔ൱ă ॐࠓฉ‫ڦ‬ଷᅃዘᄲՎࣅ๟ጽၠ‫ܠ‬ሜհ/‫ܠ‬ཚ‫ڢ‬Ljฯ዁෉ॲۨ ᅭဣཥ‫ڦ‬൵๞ă‫د‬ཥ‫ڦ‬ఇె௢ण႙ဣཥሞఇెᇘዐྜ‫ׯ‬Ⴙ ‫ܠ‬႑ࡽۙ૙߾ፕ(୳հĂ‫ٷݣ‬Ăೕ୲ገ࣑)Ǘሞঢ়ࡗ؊‫ݴ‬ጚ ԢࢫLj‫ܔ‬႑ࡽ৊ႜຕጴࣅ‫ت‬૙ăᅃ߲૩ጱ๟FM࠽խǖߴ ۨ‫ۉ‬໼‫ڦ‬ཚ‫܈੻ڢ‬ཚ‫ྺ׉‬200 kHzLjFMೕ܎‫ྺྷݔ‬88 MHz዁ 108 MHză‫د‬ཥথ๭ഗӝణՔ‫ۉ‬໼‫ڦ‬ೕ୲ገ࣑‫ׯ‬10.7 MHz‫ڦ‬ ዐೕLjࡗ୳ۖ໯ᆶഄ໱ཚ‫ڢ‬Ljժӝ႑ࡽ‫ڟٷݣ‬ፌॅ঴ۙ‫ޗ‬ ‫܈‬ă‫ܠ‬ሜհॐࠓॽኝ߲20 MHz FMೕ܎ຕጴࣅLjժ૧ᆩຕጴ ‫ت‬૙रຍઠ჋ስࢅ࣬ްణՔ‫ۉ‬໼ă໚඗‫ܠ‬ሜհ‫ݛ‬ӄႴᄲ֑ ᆩްሗ‫ۉڦܠڥ‬ୟLj‫ڍ‬໲ਏᆶट‫ڦٷ‬ဣཥᆫ๞ǖဣཥ੗ᅜ ཞ้࣬ް‫ۉ߲ܠ‬໼LjԈઔՉೕ‫ۉ‬໼ăසࡕยऺ‫ړڥ‬Lj‫ܠ‬ሜ հဣཥฯ዁੗ᅜཚࡗ෉ॲዘႎದዃLjᅜኧ‫׼‬ႎ‫ڦ‬Քጚ(૩ සLj‫ݴ‬ದሞ࿮၍‫ۉ‬Չೕ‫ڦټ‬ႎ႙ߛൣ‫ۉ‬໼)ăኄዖ‫ݛ‬๕‫ڦ‬ፌ ዕణՔ๟֑ᆩ੗ᅜথభ໯ᆶೕ‫ټ੻ڦټ‬ຕጴࣅᅏࢅ੗ᅜ࣬ ްඪࢆ႑ࡽ‫ڦ‬ഽ‫تٷ‬૙ഗǖኄन๟໯࿍‫ۨॲ෉ڦ‬ᅭ࿮၍ ‫ۉ‬ăഄ໱ଶᇘዐᆶ‫ڪ‬ၳ‫ڦ‬ॐࠓ——෉ॲۨᅭᅏ՗Ă෉ॲۨ ᅭฝၟཀྵ‫ڪ‬ă࿢்੗ᅜӝኄၵ‫ړ‬ፕႵెࣅ‫ڦ‬႑ࡽ‫ت‬૙‫ڪ‬ၳ ࿿ă๑‫ڥ‬ዮසُૌଳऄॐࠓ‫ྺׯ‬੗ీ‫ڦ‬๟ഽ‫ڦٷ‬ຕጴ‫ت‬૙ रຍᅜतߛ໏ĂߛႠీຕ਍ገ࣑रຍă ‫ۯࢅ੻ټ‬ༀ‫ྷݔ‬ ࿮ஃ๟ఇె࣏๟ຕጴ႑ࡽ‫ت‬૙LjഄएԨྼ‫ۼ܈‬๟‫ۯࢅ੻ټ‬ ༀ‫——ྷݔ‬ኄଇ߲ᅺ໎ਦۨጣဣཥํा੗ᅜ‫ت‬૙‫ڦ‬႑တ ଉăሞཚ႑ଶᇘLjਖ਼હ‫ڤ‬tၑ౫‫ڦ‬૙ஃ৽๑ᆩኄଇ߲ྼ‫܈‬ ઠ௮ຎᅃ߲ཚ႑ཚ‫ڢ‬੗ᅜၻ‫ڦټ‬႑တଉ‫ڦ‬एԨ૙ஃ၌ኵLj ‫ڍ‬ഄᇱ૙ඐ๢ᆩᇀ‫߲ܠ‬ଶᇘă‫ܔ‬ᇀ‫ׯ‬ၟဣཥLj‫੻ټ‬ਦۨጣ ߴ้ۨक़੗ᅜ‫ت‬૙‫ڦ‬ၟ໎ଉLj‫ۯ‬ༀ‫ྷݔ‬ਦۨጣፌӁ‫ڦ‬੗ਥ ִ࠼ᇸᇑၟ໎ԏࢅ‫ۅ‬ኮक़‫ڦ‬ഽ‫܈‬ई෥֒‫ྷݔ‬ă ཮2. ‫ܠ‬ሜհ๖૩ Page 207 MS-2629 ຕ਍ገ࣑ഗ‫ڦ‬੗ᆩ‫੻ټ‬ᆶᅃ߲ᆯలઊຯ༬֑ᄣ૙ஃยۨ‫ڦ‬ एԨ૙ஃ၌ኵ——ྺକ՗๖ई‫ت‬૙‫ྺ੻ټ‬F‫ڦ‬႑ࡽLj࿢் Ⴔᄲ๑ᆩሏႜ֑ᄣ໏୲዁ณྺ2 F‫ڦ‬ຕ਍ገ࣑ഗ(൩ጀᅪLjԨ ݆ሶ๢ᆩᇀඪࢆ֑ᄣຕ਍ဣཥ——ఇెईຕጴ‫ۼ‬๢ᆩ)ă‫ܔ‬ ᇀํाဣཥLjᅃۨଉ‫֑ࡗڦ‬ᄣ੗ट‫ںٷ‬०ࣅဣཥยऺLjᅺ ُLj߸‫ۆ‬႙‫ڦ‬ຕኵ๟႑ࡽ‫ڦ੻ټ‬2.5዁3Ԡăසമ໯ຎLjփ ܏ሺे‫تڦ‬૙ీ૰੗༵ߛဣཥ‫ت‬૙߸ߛ‫ీڦ੻ټ‬૰Ljܸ‫ނ‬ ࿡‫ࣆۉ‬Ă‫ۉ‬મဣཥĂᆶ၍ࢅ࿮၍ਆᇘྪĂ཮ၟ‫ت‬૙ᅜतᅏ ഗᅏ՗‫ڪ‬ဣཥ‫ۼ‬ሞ‫ו‬ጣ‫ڦߛ߸੻ټ‬ဣཥ݀ቛăኄዖփ܏༵ ߛ‫੻ټ‬Ⴔ൱ᄲ൱ຕ਍ገ࣑ഗਏԢ߸ߛ‫֑ڦ‬ᄣ໏୲ă සࡕຫ‫੻ټ‬ኄ߲ྼ‫܈‬኱࠵ᅟ‫ۮ‬Ljఫ஺‫ۯ‬ༀ‫ྷݔ‬ኄ߲ྼ‫܈‬ሶ ੗ీฎ၂ࣴ෦ăሞ႑ࡽ‫ت‬૙ዐLj‫ۯ‬ༀ‫ྷݔ‬՗๖ဣཥ੗ᅜ‫ت‬ ૙൐փ݀ิԏࢅईၥհ‫ڦ‬ፌ‫ٷ‬႑ࡽᇑဣཥ੗ᅜᆶၳվइ‫ڦ‬ ፌၭ႑ࡽኮक़‫ݴڦ‬ք‫ྷݔ‬ă࿢்੗ᅜ੊୯ଇૌ‫ۯ‬ༀ‫ྷݔ‬ǖ ੗ದዃ‫ۯ‬ༀ‫ྷݔ‬੗ᅜཚࡗሞ‫ݴگ‬Ր୲ఇຕገ࣑ഗ(ADC)ኮ മ‫ݣ‬ዃᅃ߲੗Պ‫ײ‬ሺᅮ‫ٷݣ‬ഗ(PGA)ઠํ၄(्ย‫ܔ‬ᇀ12࿋ ‫ڦ‬੗ದዃ‫ۯ‬ༀ‫ྷݔ‬Ljሞᅃ߲8࿋ገ࣑ഗമ‫ݣ‬ዃᅃ߲4࿋ PGA)ǖ‫ړ‬ሺᅮยྺ‫گ‬ኵ้Ljኄዖದዃ੗ᅜվइ‫ٷ‬႑ࡽܸփ ࣷ‫ࡗג‬ገ࣑ഗ‫ྷݔڦ‬ă‫ړ‬႑ࡽ‫ג‬ၭ้Lj੗ॽPGAยྺߛሺ ᅮLjᅜॽ႑ࡽ‫ڟٷݣ‬ገ࣑ഗ‫ڦ‬ሯ‫ڹ‬ᅜฉă႑ࡽ੗ీ๟ᅃ߲ ႑ࡽഽई႑ࡽෑ‫ۉڦ‬໼Ljᄺ੗ీ๟‫ׯ‬ၟဣཥዐ‫ڦ‬ᅃ߲௽ଋ ईӁ‫ڦڏ‬ၟ໎ă‫ܔ‬ᇀᅃْኻ‫׈‬๬࣬ްᅃ߲႑ࡽ‫دڦ‬ཥ႑ࡽ ‫ت‬૙ॐࠓઠຫLjኄዖ੗ದዃ‫ۯ‬ༀ‫ྷݔ‬੗ీ๟‫׉ݥ‬ᆶၳ‫ڦ‬ă ຨ้‫ۯ‬ༀ‫े߸ྷݔ‬ഽ‫ٷ‬ǖሞኄዖದዃዐLjဣཥᆛᆶ؊ፁ‫ڦ‬ ‫ۯ‬ༀ‫ྷݔ‬Ljీࠕཞ้վइ‫ٷ‬႑ࡽܸփׂิၥհ၄ၡLjཞ้ ࣏ీ࣬ްၭ႑ࡽ——၄ሞLj࿢்੗ీႴᄲᅃ߲14࿋‫ڦ‬ገ࣑ ഗă޿ᇱ૙๢ᆩᇀ‫ܠ‬ዖᆌᆩ——࣬ްഽ‫ۉ‬໼ईෑ‫ۉ‬໼႑ ࡽLj࣬ް๮ऐ႑ࡽLjईኁ࣬ް཮ၟ‫גڦ‬ଋࢅ‫ג‬Ӂև‫ݴ‬ăሞ ဣཥൡၠ๑ᆩ߸ेްሗ‫ڦ‬႑ࡽ‫ت‬૙໙݆‫ڦ‬ཞ้Lj‫ۯܔ‬ༀ‫ݔ‬ ྷ‫ڦ‬Ⴔ൱ᄺ๟຤ቩ‫ڦߛذ‬ጽၠăሞኄዖ൧઄ူLjဣཥ੗ᅜ ‫ت‬૙߸‫ܠ‬႑ࡽ——සࡕඇև႑ࡽ‫ۼ‬ਏᆶ၎ཞ‫ڦ‬ഽ‫܈‬Ljժ൐ Ⴔᄲ‫ت‬૙ଇԠ‫ڦ‬႑ࡽLjሶႴᄲሺे3 dB‫ۯڦ‬ༀ‫(ྷݔ‬ሞ໯ᆶ ഄ໱ཉॲ၎‫ڦڪ‬൧઄ူ)ă੗ీ߸ዘᄲ‫ڦ‬๟Ljසമ໯ຎLjස ࡕဣཥႴᄲཞ้‫ت‬૙ഽ႑ࡽࢅෑ႑ࡽLjሶ‫ۯ‬ༀ‫ڦྷݔ‬ሺଉ ᄲ൱੗ీᄲ‫ܠڥٷ‬ă ‫ۯ‬ༀ‫ڦྷݔ‬փཞ࢚ଉኸՔ ሞຕጴ႑ࡽ‫ت‬૙ዐLj‫ۯ‬ༀ‫࠲ڦྷݔ‬॰֖ຕ๟႑ࡽ՗๖ዐ‫ڦ‬ ࿋ຕLjई‫׬‬ጴ‫׊‬ǖᅃ߲32࿋‫ت‬૙ഗ‫ۯڦ‬ༀ‫ܠྷݔ‬ᇀᅃ߲16 ࿋‫تڦ‬૙ഗăࡗ‫ڦٷ‬႑ࡽॽ݀ิၥհ——ኄ๟ᅃዖߛ‫ݥ܈‬ ၍Ⴀ‫ڦ‬ሏ໙Ljࣷ೦࣋‫ܠ‬ຕ႑ࡽ‫ྜڦ‬ኝႠăࡗၭ‫ڦ‬႑ࡽ—— ‫܈ޗ‬ၭᇀ1 LSB——ॽՎ‫ڥ‬փ੗ॠ֪ժ۪฿ۖăኄ߲ᆶ၌‫ݴ‬ Ր୲ཚ‫ྺ׬׉‬ଉࣅဃֶLjईଉࣅሯำLjሞඓ૬੗ॠ֪Ⴀူ ၌้੗ీ๟ᅃ߲ዘᄲᅺ໎ă ଉࣅሯำᄺ๟ंࢇ႑ࡽဣཥዐ‫ڦ‬ᅃ߲ᅺ໎Lj‫ڍ‬ᆶ‫߲ܠ‬ᅺ໎ ਦۨጣຕ਍ገ࣑ഗ‫ڦ‬੗ᆩ‫ۯ‬ༀ‫ྷݔ‬Ljܸ൐௅߲ᅺ໎‫ۼ‬ጲम ‫ۯڦ‬ༀ‫ྷݔ‬  x ႑ሯԲ(SNR)——ገ࣑ഗ‫ڦ‬஢ଉ‫ײ‬ᇑೕ‫ټ‬ጺሯำኮ Բă޿ሯำ੗ీઠጲଉࣅሯำ(සฉ໯ຎ)Ăඤሯำ (໯ᆶ၄ํဣཥዐ‫ۼ‬٪ሞ)ईഄ໱ဃֶၜ(ස۶‫)ۯ‬ă  x ৢༀ‫ݥ‬၍Ⴀ‫ݥݴྲ——܈‬၍Ⴀ‫(܈‬DNL)ࢅओ‫ݥݴ‬၍Ⴀ ‫(܈‬INL)——࢚ଉٗຕ਍ገ࣑ഗ๼෇‫ڟ܋‬๼‫ڦ܋؜‬኱ ୁ‫ࡧڿد‬ຕ‫ݥڦ‬૙ၙ‫ڦ܈ײ‬ኸՔ(DNLཚ‫׉‬ඓۨ‫ׯ‬ၟ ဣཥ‫ۯڦ‬ༀ‫)ྷݔ‬ă ཮3. ႑ࡽ‫ت‬૙‫ڦ‬एԨྼ‫܈‬ Page 208 MS-2629  x ጺၿհ฿ኈ——ৢༀࢅ‫ۯ‬ༀ‫ݥ‬၍Ⴀ‫ิׂࣷ܈‬ၿᅼLj੗ ీᆶၳ‫ں‬ೡԸഄ໱႑ࡽăTHDཚ‫ࣷ׉‬၌዆ᅼೕဣཥ ‫ڦ‬ᆶၳ‫ۯ‬ༀ‫ྷݔ‬ă  x ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR)——੊୯၎‫ܔ‬ᇀ๼෇႑ࡽ‫ڦ‬ፌ ߛೕ೷ሗොLj࿮ஃ๟ܾ঩࣏๟ෙ঩ၿհ้ዓઍཚLj ฯ዁๟60 Hz‫“ڦ‬࿛࿛”ሯำăᆯᇀೕ೷ᅼईሗො੗ీೡ Ըၭ႑ࡽLjᅺُLjSFDR๟ᆩઠ՗๖Ⴙ‫ܠ‬ཚ႑ဣཥዐ ੗ᆩ‫ۯ‬ༀ‫ڦྷݔ‬ᅃ߲ଆࡻኸՔă ࣏ᆶഄ໱रຍࡀ߭——๚ํฉLj௅ዖᆌᆩ੗ీ‫ۼ‬ᆶጲम‫ڦ‬ᆶ ၳ‫ۯ‬ༀ‫ྷݔ‬௮ຎ‫ݛ‬๕ăਸ๔้Ljຕ਍ገ࣑ഗ‫ݴڦ‬Ր୲๟ഄ‫ۯ‬ ༀ‫ڦྷݔ‬ᅃ߲ଆࡻ༺‫پ‬ኸՔLj‫ڍ‬ሞኈኟਦ้ۨ჋ስኟඓ‫ڦ‬ रຍࡀ߭๟‫׉ݥ‬ዘᄲ‫ڦ‬ă࠲॰ᇱሶ๟Ljሁ‫ܠ‬ሁࡻă໚඗Ⴙ ‫ܠ‬ဣཥ੗ᅜ૬नᅪ๎‫ڟ‬Ⴔᄲ߸ߛ‫ڦ‬႑ࡽ‫ت‬૙‫੻ټ‬Lj‫ۯܔڍ‬ ༀ‫ڦྷݔ‬Ⴔ൱ඐ੗ీփ๟සُ኱࠵LjनՍᄲ൱߸े੏ਗ਼ă ኵ‫ڥ‬ጀᅪ‫ڦ‬๟Lj৑࠶‫ۯࢅ੻ټ‬ༀ‫ྷݔ‬๟႑ࡽ‫ت‬૙‫ڦ‬ଇ߲ዷ ᄲྼ‫܈‬Lj‫࣏ڍ‬ᆶՂᄲ੊୯‫ڼ‬ෙ߲ྼ‫܈‬Ljनၳ୲ǖኄᆶዺᇀ ࿢்࣮‫ٴ‬ኄᄣᅃ߲࿚༶ǖ“ྺକํ၄‫ྔܮ‬ႠీLj࿢Ⴔᄲ޲‫؜‬ ‫ܠ‬ณ‫ׯ‬ԨǛ”࿢்੗ᅜٗࠔዃॏ߭ઠੂ‫ׯ‬ԨLj‫ܔڍ‬ຕ਍ገ࣑ ഗࢅഄ໱‫ۉ‬ጱ႑ࡽ‫ت‬૙ᆌᆩઠຫLjᅃዖ߸े‫ك‬٦‫ڦ‬Ă࢚ଉ ‫ׯ‬Ԩ‫ڦ‬रຍ๮܎๟ࠀࡼăႠీሁߛ‫ڦ‬ဣཥ——߸‫੻ټڦٷ‬ ई‫ۯ‬ༀ‫ྫྫ——ྷݔ‬ᄲၩࡼ߸‫ీۉڦܠ‬ăໜጣरຍ‫ڦ‬৊ օLj࿢்‫ۼ‬๬཮ሞ༵ߛ‫ۯࢅ੻ټ‬ༀ‫ڦྷݔ‬ཞ้३ณࠀࡼă ዷᄲᆌᆩ සമ໯ຎLj௅ዖᆌᆩሞएԨ႑ࡽྼ‫ݛ܈‬௬‫ۼ‬ᆶጣփཞ‫ڦ‬ᄲ ൱Ljܸሞߴۨ‫ڦ‬ᆌᆩዐLjሶ੗ీᆶ‫ܠ‬ዖփཞ‫ڦ‬Ⴀీă૩ සLjᅃ߲100ྤၟ໎‫ڦ‬ฝၟཀྵᇑᅃ߲1000ྤၟ໎‫ڦ‬ฝၟཀྵă ཮4ቛ๖କᅃၵփཞᆌᆩཚ‫׉‬ᄲ൱‫ۯࢅ੻ټڦ‬ༀ‫ྷݔ‬ă޿ ཮‫ڦ‬ฉӷև‫ݴ‬ᅃӯ‫ߛྺ׬‬໏——֑ᄣ໏୲ྺ25 MHzतᅜฉ ‫ڦ‬ገ࣑ഗLj੗ᅜᆶၳ‫ت‬૙10 MHzईᅜฉ‫੻ټڦ‬ă ཮4. ᅃၵ‫ۆ‬႙ᆌᆩतഄ‫(੻ټܔ‬໏୲)ࢅ‫ۯ‬ༀ‫ݴ(ྷݔ‬Ր୲࿋ຕ)‫ڦ‬ᄲ൱ Page 209 MS-2629 Ⴔᄲጀᅪ‫ڦ‬๟Lj޿ᆌᆩ཮ժ‫ৢݥ‬ኹփՎ‫ڦ‬ă၄ᆶᆌᆩ੗ీ ૧ᆩႎ‫ڦ‬ĂႠీ߸ߛ‫ڦ‬रຍઠ༵ืഄࠀీ——૩සLjߛൣ ฝၟऐईኁ‫ݴ‬Ր୲߸ߛ‫ڦ‬3D‫ג‬ำยԢ‫ڪ‬ăُྔLj௅౎࣏ࣷ ᆥ၄‫؜‬ඇႎ‫ڦ‬ᆌᆩ——࢔‫ٷ‬ᅃև‫ݴ‬ႎᆌᆩॽ‫ت‬ᇀႠీՉহ ‫ྔڦ‬Չᇹ‫ت‬ǖ ‫ڥ‬ᅮᇀߛ໏ᇑߛ‫ݴ‬Ր୲‫ڦ‬ႎፇࢇă঳ࡕ๑ገ ࣑ഗႠీՉᇹփ܏ક‫ٷ‬Lj৽ၟ‫׾‬༕૛‫ૺڦ‬᠘ᅃᄣă ཞ้࣏ᆌऻዿLj‫ܠ‬ຕᆌᆩ‫ۼ‬Ⴔᄲ࠲ጀࠀࡼ࿚༶ǖ‫ܔ‬ᇀՍၻ ๕/‫ۉࠃ׾ۉ‬๕ᆌᆩLjࠀࡼ੗ీ๟ዷᄲरຍ၌዆ཉॲLj‫ڍ‬ ๟Ljन๑๟၍ୟࠃ‫ۉ‬ဣཥLj࿢்ᄺਸ๔݀၄Lj႑ࡽ‫ت‬૙ᇮ ॲ(ఇెᄺࡻLjຕጴᄺࡻ)‫ࡼࠀڦ‬ፌዕࣷ၌዆ဣཥሞߴۨ࿿ ૙൶ᇘ‫ڦ‬Ⴀీă रຍ݀ቛ൵๞ࢅ‫ظ‬ႎ——සࢆํ၄…… ६ᇀኄၵᆌᆩሞփ܏ླྀߛ‫ߛܔ‬໏ຕ਍ገ࣑ഗႠీ‫ڦ‬ᄲ൱Lj ᄽহᅜ‫׼‬Ⴤरຍ৊օ‫ݛڦ‬๕‫ُܔ‬ፔ‫؜‬କ࣮ᆌăरຍ‫ߛܔ‬प ߛ໏ຕ਍ገ࣑ഗ‫ۯླྀڦ‬ઠጲᅜူब߲ᅺ໎ǖ  x ߾ᅝरຍǖఊܻۨୱᇑຕ਍ገ࣑ഗ——ӷ‫߾༹ڞ‬ᄽሞ ‫׼‬Ⴤླྀ‫ۯ‬ຕጴ‫ت‬૙Ⴀీ‫ݛ‬௬‫৽ׯڦ‬ᆶణࠌ‫܃‬Ljഄዷ ᄲൻ‫ۯ‬ᅺ໎๟ৗᇶ‫ت‬૙߾ᅝሞጽၠ߸ဦक़ਐྲᆖ์ ਗ਼߾ᅝ‫ݛ‬௬ൽ‫ڦڥ‬਎‫ٷ‬৊օăศჱྲ௝CMOSৗ༹࠶ ‫ڦ‬ਸ࠲໏୲ᇺᇺ‫ࡗג‬ഄമԜLj๑੦዆ഗĂຕጴ‫ت‬૙ ഗࢅFPGA‫ڦ‬ሏႜ้ዓ໏୲஝ฉକຕGHz‫ڦ‬໼঩ăၟ ຕ਍ገ࣑ഗᅃᄣ‫ࢇंڦ‬႑ࡽ‫ۉ‬ୟᄺ੗ᅜ૧ᆩ์ਗ਼߾ ᅝଶᇘൽ‫ڦڥ‬ኄၵ৊օLj঺“ఊܻۨୱ”ኮ‫ߛ߸ڟٳޅ‬ ‫ڦ‬໏୲——‫ࢇंܔڍ‬႑ࡽ‫ۉ‬ୟઠຫLjኄ๟ᆶ‫پ‬ॏ‫ڦ‬ǖ ߸ံ৊‫์ڦ‬ਗ਼߾ᅝ‫߾ڦ‬ፕ‫ۉ‬ᇸ‫ۉ‬უᆶփ܏ই‫ڦگ‬൵ ๞ăኄᅪ࿆ጣLjఇె‫ۉ‬ୟ‫ڦ‬႑ࡽӦ‫ޗ‬ሞ໫ၭLjሺे କॽఇె႑ࡽྼ‫׼‬ሞඤሯ‫ڹ‬ᅜฉ‫ڦ‬ઓవǖᅜ໫຤‫ڦ‬ ‫ۯ‬ༀ‫پྺྷݔ‬ॏइ‫ڦߛ߸ڥ‬໏୲ă  x ߛपॐࠓ(ኄփ๟ᇱ๔้‫ڦپ‬ຕ਍ገ࣑ഗ)——ሞӷ‫ڞ‬ ༹߾ᅝ‫ٷ‬օ݀ቛ‫ڦ‬ཞ้Ljࡗඁ20౎ዐLjߛ໏ຕ਍ገ࣑ ഗॐࠓଶᇘᄺ‫؜‬၄କຕհ‫ظ‬ႎષ‫ח‬Ljྺᅜ৚ට‫ࠀڦ‬ ၳํ၄߸ߛ‫੻ټڦ‬Ă߸‫ۯڦٷ‬ༀ‫ྷݔ‬ፔ‫؜‬କ਎‫ࠋٷ‬ ၅ă‫د‬ཥฉLjᆶ‫ܠ‬ዖॐࠓ‫ݛ‬๕ᆩᇀߛ໏ఇຕገ࣑ ഗLjԈઔඇժႜॐࠓ(flash)Ăች۠ॐࠓ(folding)Ă঍ ኯॐࠓ(interleaved)ࢅୁ຤၍ॐࠓ(pipeline)Ljኄၵॐ ࠓ‫ݛ‬๕዁ৃධ඗‫ୁ׉ݥ‬ႜăࢫઠLj‫د‬ཥฉᆩᇀ‫گ‬໏ ᆌᆩ‫ڦ‬ॐࠓᄺे෇ߛ໏ᆌᆩንᆐLjԈઔደْ԰ৎस ٪ഗ(SAR)ࢅΔ-ΣLjኄၵॐࠓጆோኍ‫ߛܔ‬໏ᆌᆩ৊ႜ କᇱ‫ظ‬Ⴀ‫ۯ߀ڦ‬ă௅ዖॐࠓ‫ۼ‬ᆶጲम‫ڦ‬ᆫ๞ࢅଝ ๞ǖగၵᆌᆩᅃӯߵ਍ኄၵችዔઠඓۨፌॅॐࠓă ‫ܔ‬ᇀߛ໏DACઠຫLj๯჋ॐࠓᅃӯ๟ਸ࠲‫ୁۉ‬ఇ๕ ঳ࠓLjփࡗLjኄૌ঳ࠓᆶႹ‫ܠ‬Վ༹Ǘਸ࠲‫ۉ‬ඹ঳ࠓ ‫ڦ‬໏୲࿘օ༵ߛLjሞᅃၵഴ෇๕ߛ໏ᆌᆩዐධ඗ๆ ‫ୁݴ‬ႜă  x ຕጴ‫ޤ‬ዺ‫౎ܠ——݆ݛ‬ᅜઠLjሞ߾ᅝࢅॐࠓᅜྔLjߛ ໏ຕ਍ገ࣑ഗ‫ۉ‬ୟरຍᄺൽ‫ڥ‬କࣣ࣪‫ظڦ‬ႎ‫৽ׯ‬ă ၯጚ‫݆ݛ‬ᅙᆶຕๆ౎‫ڦ‬૦๏Ljሞց‫׋‬ण‫ۉׯ‬ୟᇮॲ ฿ದᅜत༵ߛ‫ۉ‬ୟ‫ۯ‬ༀ‫ݛྷݔ‬௬ࣩ݀ጣ዁࠲ዘᄲ‫ڦ‬ ፕᆩăၯጚᅙঢ়‫ג‬ሁৢༀဃֶၯኟ‫ؑݔڦ‬Ljሁઠሁ ‫ںܠ‬ᆩᇀց‫ۯ׋‬ༀ‫ݥ‬၍Ⴀ‫܈‬LjԈઔॺ૬ဃֶࢅၿհ ฿ኈă ጺኮLjኄၵଶᇘ‫ظڦ‬ႎट‫ںٷ‬ٝ৊କߛ໏ຕ਍ገ࣑‫݀ڦ‬ቛă Page 210 MS-2629 ํ၄ ํ၄੻‫ࢇंټ‬႑ࡽဣཥփৈৈᄲ჋ስኟඓ‫ڦ‬ຕ਍ገ࣑ ഗ——ኄၵဣཥ੗ీ‫ܔ‬႑ࡽ૾‫ڦ‬ഄ໱և‫ݴ‬ᆶጣჹ੏‫ڦ‬ᄲ ൱ăཞᄣLj཈቟๟ሞড੻‫ํాྷݔ੻ټڦ‬၄ᆫႯ‫ۯڦ‬ༀ‫ݔ‬ ྷ——๑߸‫ڦܠ‬႑ࡽ৊‫؜‬ຕጴᇘLj؊‫ݴ‬૧ᆩຕጴᇘ‫تڦ‬૙ ీ૰ă x ੻‫ࢅټ‬႑ࡽۙ૙——ሞ‫د‬ཥ‫ڇ‬ሜհဣཥዐLj႑ࡽۙ૙ ৽๟৑੺ၩ‫أ‬࿮ᆩ႑ࡽLj඗ࢫ‫ٷݣ‬ణՔ႑ࡽăኄྫ ྫภत჋ስႠ୳հᅜतኍ‫ܔ‬ణՔ႑ࡽྲۙ‫ڦ‬቏‫ټ‬ဣ ཥăኄၵঢ়ࡗྲۙ‫ۉڦ‬ୟሞํ၄ሺᅮ‫ݛ‬௬੗ీ‫׉ݥ‬ ᆶၳLjܸ൐ሞగၵ൧઄ူLj੗ᅜ૧ᆩೕ୲ࡀࣄरຍ ઠඓԍॽၿհईഄ໱ሗොಇ‫أ‬ሞ‫ྔټ‬ă੻‫ټ‬ဣཥփ ీ๑ᆩኄၵ቏‫ټ‬रຍLjܸ൐ሞኄၵဣཥዐํ၄੻‫ټ‬ ‫ٷݣ‬੗ీ௬ଣ਎‫ڦٷ‬཈቟ă x ຕ਍থ੨——‫د‬ཥ‫ڦ‬CMOSথ੨փኧ‫ࡗגٷٷ׼‬100 MHz ‫ڦ‬ຕ਍໏୲——ܸ൐‫ۉگ‬უֶ‫ݴ‬Ӧ‫(ޗ‬LVDS)ຕ਍থ੨ ሏႜ໏୲‫ٳ‬800 MHz዁1 GHză‫ܔ‬ᇀড‫ٷ‬ຕ਍໏୲Lj࿢ ்੗ᅜ๑ᆩ‫߲ܠ‬ጺ၍থ੨Ljईኁ๑ᆩSERDESথ੨ă ၄‫ڦپ‬ຕ਍ገ࣑ഗ֑ᆩ‫ڦ‬๟ፌߛ໏୲‫ٳ‬12.5 GSPS‫ڦ‬ SERDESথ੨(ࡀ߭९JESD204BՔጚ)——੗ᅜᆩ‫ܠ‬ཉ ຕ਍ཚ‫ڢ‬ઠኧ‫׼‬ገ࣑ഗথ੨ዐ‫ݴ‬Ր୲ࢅ໏୲‫ڦ‬փཞ ፇࢇăኄၵথ੨Ԩว੗ీๆ‫ްݴ‬ሗă x ้ዓথ੨——৽ဣཥዐ๑ᆩ‫้ڦ‬ዓ‫ڦ‬ዊଉઠຫLjߛ໏ ႑ࡽ‫تڦ‬૙ᄺ੗ీๆ‫ݴ‬ઓవă้ᇘዐ‫ڦ‬۶‫ۯ‬/ဃֶࣷ ገ࣑‫ׯ‬႑ࡽዐ‫ڦ‬ሯำईဃֶLjස཮5໯๖ăሞ‫ت‬૙໏ ୲‫ٷ‬ᇀ100 MHz‫ڦ‬႑ࡽ้Lj้ዓ۶‫ۯ‬ई၎࿋ሯำ੗ీ ‫ྺׯ‬ገ࣑ഗ੗ᆩ‫ۯ‬ༀ‫ڦྷݔ‬ᅃ߲၌዆ᅺ໎ăຕጴप ้ዓ੗ీ࿮݆฼ඪኄૌဣཥLj੗ీႴᄲ๑ᆩߛႠీ ้ዓă ཮5. ้ዓဃֶՎ‫ׯ‬႑ࡽဃֶ‫ݛڦ‬๕ ঳ஃ ጽၠ߸੻‫੻ټ‬႑ࡽࢅ෉ॲۨᅭဣཥ‫ڦ‬օ݃փ܏े੺Ljᄽহփ ܏ླྀ‫؜ר‬ႎLjᆥ၄‫ࡻ߸ॺࠓ؜‬Ă߸੺ຕ਍ገ࣑ഗ‫ظڦ‬ႎ‫ݛ‬ ݆Ljॽ‫੻ټ‬Ă‫ۯ‬ༀ‫ࠀࢅྷݔ‬ၳෙ߲ྼ‫ླྀ܈‬ฉକႎ‫ڦ‬໼঩ă TA12221sc-0-3/14 Page 211 www.analog.com/cn ©2014 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . සࢆยऺGSPSገ࣑ഗ‫ټ੻ڦ‬ മ‫܋‬ ፕኁǖRob ReederLjADIࠅິߛपဣཥᆌᆩ߾‫ײ‬฾ ०঻ ᆯᇀߛ໏ఇຕገ࣑ഗरຍ‫߀ڦ‬৊Ljጚඓߛ໏঴ဆटߛዐೕ (IF)႑ࡽ‫ڦ‬ᄲ൱ᄺໜኮ༵ߛăኄ‫ټ‬ઠକଇ‫ٷ‬వ༶ǖᅃ߲๟ ገ࣑ഗยऺԨวLjଷᅃ߲๟ॽ႑ࡽాඹ᳘ࢇ‫ڟ‬ገ࣑ഗ‫ڦ‬മ ‫܋‬ยऺăन๑ገ࣑ഗԨวႠీ‫؜‬෥Ljമ‫܋‬ᄺՂႷీࠕඓԍ ႑ࡽዊଉăߛೕߛ໏ገ࣑ഗยऺሞ‫ڦৃړ‬ዚ‫ܠ‬ᆌᆩዐ‫ۼ‬ᆶ ภतLjૃ‫ٳ‬Ă࿮၍ए‫إ‬ยแࢅᅏഗᅏ՗߸๟ླྀ‫ۯ‬କገ࣑ഗ ‫ੵڦ‬ଶᇘ݀ቛăኄၵᆌᆩᄲ൱๑ᆩ‫ݴ‬Ր୲ሞ8዁14࿋ኮक़ ‫ߛڦ‬໏GSPSገ࣑ഗă‫ڍ‬ᄲऻዿLjႴᄲ஢ፁ‫֖߲ܠ‬ຕLjᅜ‫ٳ‬ ‫ڟ‬༬ۨᆌᆩ໯࿍‫“ڦ‬೅ದ”ཉॲă Ԩ࿔ۨᅭ‫ټ੻ڦ‬๟ኸ๑ᆩ‫ٷ‬ᇀ100 MHz‫ڦ‬႑ࡽ‫੻ټ‬Ljഄೕ୲ ‫ྺྷݔ‬1 GHz዁4 GHzăԨ࿔࣏ॽ༪ஃ੻‫ټ‬࿮ᇸྪஏ‫ۨڦ‬ᅭLj ժዘ‫ۅ‬༪ஃሞ჋ስՎუഗईә୿้ՂႷ੊୯‫ڦ‬ዘᄲࡀ߭Lj ᅜतසৃ๑ᆩ‫ୁۉڦ‬ದዃྊ೫঳ࠓăፌࢫLj࿢்ॽຫ௽ᅃ ၵ੊୯ᅺ໎ࢅᆫࣅरຍLjᅜӻዺ‫܁‬ኁሞ‫ࢇޙ‬༬ۨᆌᆩ֖ຕ ‫ڦ‬GHz‫ํాྷݔ‬၄ൎํ੗ႜ‫ټ੻ڦ‬঴ਦ‫ݛ‬ӄă ‫ࡻٶ‬ए‫إ‬ ‫ܔ‬ᇀૃ‫ٳ‬Ăᅏഗᅏ՗ࢅཚ႑࠵֪‫ڪ‬ᆌᆩLjገၠGSPSገ࣑ഗ ๟࢔ጲ඗‫ڦ‬๚൧Ljᅺྺ໲ీ༵ࠃ߸੻‫ڦ‬ೕ೷ईలઊຯ༬ೕ ‫ټ‬ă඗ܸLj߸੻‫ڦ‬ೕ೷ࣷߴമ‫܋‬ยऺ‫ټ‬ઠ߸‫ڦٷ‬཈቟ăኄ ๟ᅺྺLj‫ړ‬౞ࠔசᅃ߲లઊຯ༬ೕ‫ٳټ‬1 GHz‫ڦ‬ገ࣑ഗ้Lj ౞࣏‫ڥ‬ሞഄዜྷದฉࢇ๢‫ڦ‬ᇮॲLjཞ้࣏ᄲ߸৊ᅃօ࠲ጀ ‫ۉ‬ୟ‫ڦ‬঳ࠓLjनമ‫ۉ܋‬ୟă‫ړ‬ᆌᆩᄲ൱1 GHzᅜฉ‫גڦ‬లઊ ຯ༬֑ᄣ้LjՂႷվइ‫ܾڼ‬Ă‫ڼ‬ෙई‫຺ڼ‬లઊຯ༬൶ዐ‫ڦ‬ ೕ೷႑တLjኄ৽๑‫ڥ‬཈቟߸ྺड़਎ă रຍ࿔ቤ MS-2597 ࠲ᇀ‫ڦ੻ټ‬०ᄲຫ௽ ๯ံ༪ஃ࠲ᇀ‫ڦ੻ټ‬ጀᅪ๚ၜăခՂऻዿLjገ࣑ഗ‫ڦ‬ඇࠀ ୲‫੻ټ‬ᇑĐ੗ᆩđईĐ֑ᄣđ‫੻ټ‬๟փᅃᄣ‫ڦ‬ăඇࠀ୲‫ټ‬ ੻๟ገ࣑ഗᆩᇀ৛ඓվइ႑ࡽᅜतాዃമ‫܋‬ኟඓॺ૬໯Ⴔ ᄲ‫੻ټڦ‬ăߵ਍ገ࣑ഗຕ਍๮֩ዐຫ௽‫ݴۨܮڦ‬Ր୲ࢅႠ ీ(ඇࠀ୲‫੻ټ‬ᇺ‫ٷ‬ᇀገ࣑ഗԨว‫֑ڦ‬ᄣ‫੻ټ‬Lj੗ీ๟ഄଇ Ԡ)Lj჋ስዐೕժ๑ᆩ࿋ᇀ޿൶ᇘ‫ڦ‬ገ࣑ഗཚ‫׉‬փ๟߲ࡻዷ ᅪLjᅺྺဣཥዐ‫ڦ‬঳ࡕࣷ݀ิড‫ٷ‬Վࣅăܸยऺྷජ֑ᄣ ‫੻ټ‬ቛਸă໯ᆶยऺ‫ۼ‬ᆌ‫ړ‬Ն௨๑ᆩ‫ۨܮ‬ඇࠀ୲‫ڦ੻ټ‬గ ᅃईඇևፌߛೕ୲և‫ݴ‬Lj‫ޏ‬ሶ‫ۯ‬ༀႠీ(SNR/SFDR)ࣷူ ইăྺକඓۨߛ໏ఇຕገ࣑ഗ‫֑ڦ‬ᄣ‫੻ټ‬Lj൩ֱለຕ਍๮ ֩Ljईኁጧკᆌᆩኧ‫׼‬ටᇵLjᅺྺᆶ้ࢪ޿֖ຕժ࿄௽ඓ ߴ‫؜‬ăཚ‫׉‬Ljຕ਍๮֩ࣷࡀۨฯ዁ଚ‫؜‬ገ࣑ഗ֑ᄣ‫ా੻ټ‬ ঢ়ࡗิׂ֪๬Ăీࠕԍኤ‫ۨܮ‬Ⴀీ‫ڦ‬ೕ୲ă඗ܸLjႴᄲ‫ܔ‬ ႜᄽዐ‫ڦ‬ኄၵ‫੻ټ‬ຍᇕፔ‫ڦࡻ߸؜‬ຫ௽ࢅۨᅭă ә୿༬Ⴀࢅփೝ࢚ ኪ‫ڢ‬ᆌᆩ੻‫ߛࢅټ‬໏ఇຕገ࣑ഗኮࢫLjူᅃօ৽๟჋ስമ ‫܋‬ྊ೫঳ࠓǖ‫ٷݣ‬ഗ(ᆶᇸ)ईՎუഗ(࿮ᇸ)ăܾኁ߳ጲ‫ڦ‬ ૧Ձຫઠࣆ‫׊‬Ljཞ้ൽਦᇀਏ༹ᆌᆩăᆶ࠲޿ࣆ༶‫ܠ߸ڦ‬ ႑တLj൩֖ለ֖੊࿔၅3ăٗ၄ሞഐLjԨ࿔ॽणዐ༪ஃՎ უഗࢅә୿᳘ࢇമ‫܋‬ยऺăຍᇕĐә୿đᆩᇀኸՎუഗई ә୿ă৑࠶ܾኁ‫ࠓڦ‬ሰࢅྊ೫঳ࠓ٪ሞֶᅴLj‫ڍ‬࿢்् ۨLj࿮ᇸഗॲᆩᇀ᳘ࢇժࠓॺമ‫܋‬Ljܸമ‫܋‬ሶ޶ሴॽణՔ ዐೕ๼෇ٗ‫܋ڇ‬႑ࡽገ࣑‫ݴֶׯ‬႑ࡽă ә୿ᆛᆶփཞᇀ‫ٷݣ‬ഗ‫ڦ‬༬ႠLj჋ስኄዖഗॲ้Ljᆌ‫੊ړ‬ ୯ኄၵ༬Ⴀă‫ۉ‬უሺᅮĂፆੇԲĂ‫෇֭ࢅ੻ټ‬໦ࡼĂ‫܈ޗ‬ ࢅ၎࿋փೝ࢚Ă࣮հ໦ࡼኻ๟ኄၵփཞ༬Ⴀዐ‫ڦ‬ᅃև‫ݴ‬ă Page 212 MS-2597 ഄ໱ᄲ൱੗ీԈઔࠀ୲‫ۨܮ‬ኵĂದዃૌ႙(ә୿ईՎუഗ ‫ࢅ)ڪ‬ዐ႐؏ཀྵ჋ၜăә୿ยऺժփጺ๟०‫ڇ‬௽କă૩සLj ә୿༬Ⴀໜጣೕ୲ܸ߀ՎLjኄࣷߴᇨ೺௏ฉᅽᆖăᆶၵә ୿‫ܔ‬থ‫ں‬Ăքਆք၍ࢅዐ႐؏ཀྵ᳘ࢇ௺ߌăփᄲྜඇᅜә ୿‫ڦ‬ຕ਍๮֩ፕྺә୿჋ስ‫ྸڦ‬ᅃए‫إ‬ăঢ়ᄓሞኄ૛ీࠕ ࣩ݀਎‫ٷ‬ፕᆩLjᅺྺ‫ړ‬ӝPCBसิၳᆌĂྔև೅ದྪஏĂ ገ࣑ഗ‫ాڦ‬և֑ᄣࢅԍ‫ۉ׼‬ୟ(न޶ሜ)੊୯৊ઠ้Ljә୿ ࣷՎ‫ׯ‬ႎ‫ڦ‬ႚༀă ԍା໯ᆶ඄૧ăፕྺኸళLj჋ስә୿‫ڦ‬ዘᄲ੊୯ᅺ໎ጺ঳ සူǖ ૙ၙጒༀူLj႑ࡽሺᅮ‫ڪ‬ᇀՎუഗ‫ڦ‬ሕຕԲă໚඗ә୿ዐ ‫ۉڦ‬უሺᅮԨว࿮ሯำLj‫ڍ‬๑ᆩਏᆶ‫ۉ‬უሺᅮ‫ڦ‬ә୿ࣷ‫ݣ‬ ‫ٷ‬႑ࡽሯำăཞ้࣏੗ీჹዘᆖၚ‫੻ټ‬ăә୿੗ᅜ०‫ںڇ‬ ੂፕ๟ਏᆶՔ‫׬‬ሺᅮ‫੻ڦ‬ೕཚ‫୳ټ‬հഗăᅺُLj‫ۆ‬႙൵๞ ๟ә୿ዐ‫ڦ‬႑ࡽሺᅮሁઠሁ‫ٷ‬Lj‫੻ټ‬ሁઠሁၭăә୿‫ۉڦ‬ უሺᅮ੗ీՎࣅ࢔‫ٷ‬Lj‫ړ‬փႴᄲሺᅮ้Lj࿖հࢅࡐইࣷ߸ ၂ዸăසৃLj࢔వቴ‫ڟ‬ਏᆶଆࡻGHzႠీĂፆੇԲྺ1:4‫ڦ‬ ՎუഗăጺኮLjᆩࢽᆌԍ‫׼‬য়༼Ljසࡕ‫ٶ‬໙๑ᆩ1:4Ă1:8 ࢅ1:16ፆੇԲ‫ڦ‬ә୿ઠ߀฀ईᆫࣅ႑ࡽ૾ፌࢫᅃप‫ڦ‬ሯำ ဣຕLjሶᆌ੊୯ዜၘLjժሞํᄓ๪ዐ৊ႜᄓኤăᆯᇀ‫੻ټ‬ ჋ስࢅႠీ๴‫ڟ‬၌዆LjᅺُഄՁ‫࢔܋‬௽၂LjሞGHz‫ాྷݔ‬ ยऺ้LjႠీփࣷ‫ࡗג‬1:1ई1:2ፆੇԲ‫ڦ‬ยऺă ә୿‫෇֭ڦ‬໦ࡼኸࡀۨೕ୲‫ڦాྷݔ‬໦ࡼLj๟ә୿ຕ਍๮ ֩ዐፌ‫׉‬९‫֪ڦ‬ଉࡀ߭ăሞ‫ۉ‬ୟዐᇎᅜํ၄้Ljኄ੝ۨࣷ Վăᅃӯ‫ں‬Lj౞੗ᅜइ‫ڥ‬၎‫ړ‬ᇀຕ਍๮֩ዐ‫ۨܮ‬ኵᅃӷ‫ڦ‬ ೕ୲‫ྷݔ‬ăᆶၵԲኄ߸ֶLjਏ༹ൽਦᇀә୿‫ڦ‬ྊ೫঳ࠓᅜ त‫޶ܔ‬ሜसิၳᆌ(न‫ۉ‬ඹ)‫܈ߌ௺ڦ‬ăኄ࢔੗ీ๟ဃ঴ፌ ‫ڦܠ‬ә୿֖ຕLjᅺྺሞ૙ၙፆੇ൧઄ူLjә୿‫ۼ‬ঢ়ࡗᆫ ࣅLj࿮޶ሜसิၳᆌLjनഄ༬Ⴀ๟ᆩྪஏ‫ݴ‬ဆᅏ֪ۨ‫ڦ‬ă ࣮հ໦ࡼ๟ኸ‫؛‬प‫܋‬থੂ‫ڦڟ‬ә୿ْܾ‫܋‬থ‫ڦ‬ᆶᇸፆੇփ ೅ದăਉ૩ઠຫLjසࡕْपሕຕᇑ‫؛‬पሕຕኮԲ‫ڦ‬ೝ‫ྺݛ‬ 4:1Lj‫ْړ‬प‫܋‬থፆੇྺ200 Ω้Ljᆌ޿ᆶ50 Ω‫ڦ‬ፆੇॽࣷ ‫ݒ‬พ‫؛ڟ‬प‫܋‬থă඗ܸLjኄዖ࠲ဣժփጚඓǖසူ૩໯ ๖LjᇱՉ‫ݒڦ‬พፆੇໜೕ୲݀ิՎࣅă ๯ံLjቴ‫؜‬മ‫܋‬ยऺ‫ڦ‬ዐ႐ೕ୲࣮հ໦ࡼăሞُ૩ዐLj࿢ ்๑ᆩ110 MHzăැ्ยྺ૙ၙՎუഗLjZoኵժ‫ݥ‬50 Ωă ٗࠅ๕3੗ੂ‫؜‬LjZoኵᄲ‫گ‬ၵă Eqn. 1 | Return Loss (RL) = –18.9 dB @ 110 MHz = 20 × log(50–Zo/50+Zo) Eqn. 2 | 10(–18.9/20) = (50–Zo/50+Zo) Eqn. 3 | Zo = 39.8 Ω থጣ൱঴ࠅ๕3‫ڦڟڥ‬ᇱՉZoᇑޭՉ૙ၙፆੇ‫ڦ‬Բኵă඗ ࢫ‫ܔ‬ᇱՉ૙ၙፆੇᇑํाޭՉፆੇ൱ཞᄣ‫ڦ‬Բኵă Eqn. 4 | Z (Prim Reflected)/Z (Sec Ideal) = Z (Prim Ideal)/Z (Sec Reflected) Eqn. 5 | 39.8/200 = 50/x Eqn. 6 | Solving for x, x = 251 Ω ᅺُLjԨ૩ኤ௽LjᄲሞᇱՉ‫ݒ‬พ50 Ω‫޶ڦ‬ሜLjޭՉᆌ٪ሞ 251 Ω‫܋ݴֶڦ‬থă‫ޏ‬ሶLj႑ࡽ૾ዐ‫ڦ‬ฉᅃपॽᄲൻ‫ٷ߸ۯ‬ ‫޶ڦ‬ሜ(ሀ40 Ω)ăഄ঳ࡕࣷሰ‫ׯ‬മᅃप‫ڦ‬ሺᅮሺेLj߸‫ڦٷ‬ ሺᅮࢅփํ‫޶ڦ‬ሜཉॲࣷ‫ڞ‬ዂ߸‫ڦٷ‬฿ኈLj঳ࡕࣷᆖၚ‫ڟ‬ ߛ໏ገ࣑ഗLjܸٗ‫ܔ‬ဣཥ‫ۯڦ‬ༀ‫ྷݔ‬ႚ‫ׯ‬၌዆ăᅃӯઠ ຫLjໜጣፆੇԲ‫ڦ‬ฉืLj࣮հ໦ࡼ‫ڦ‬Վࣅᄺໜኮ༵ߛă૧ ᆩә୿ยऺĐ೅ದđമ‫้܋‬Ljᆌጀᅪኄᅃ‫ۅ‬ă ৽ә୿ܸჾLj‫܈ޗ‬փೝ࢚ࢅ၎࿋փೝ࢚๟ፌ࠲॰‫ڦ‬Ⴀీ༬ ኙăኄၵ֖ຕ࢚ଉ߳‫܋ڇ‬႑ࡽᇑ૙ၙኵ‫ڦ‬ೋֶLj‫܈ޗ‬၎ ‫ڪ‬Lj၎࿋၎ֶ180°ă‫ړ‬ยऺᄲ൱ߛዐೕ(1000 MHzᅜฉ)้Lj ยऺටᇵ੗ߵ਍ኄଇၜरຍࡀ߭Ljକ঴ၠገ࣑ഗ༵ࠃ‫ڦ‬႑ ࡽ၍Ⴀ‫܈‬ăᅃӯܸჾLjೋֶሁ‫ٷ‬LjሶႠీူই‫܈ޗ‬ሁ‫ٷ‬ă ഐօ้Ljᅃۨᄲ჋ስఫၵॽُ႑တࠅքሞຕ਍๮֩ዐ‫ڦ‬Վ უഗईә୿ăසࡕຕ਍๮֩ዐփ٪ሞُ႑တLjሶ࢔੗ీຫ ௽໲փ๢ࢇߛೕᆌᆩăऻዿǖ ໜጣೕ୲ሺेLjә୿‫ݥڦ‬၍ Ⴀᄺཞ้ሺ‫׊‬Ljཚ‫׉‬ᅜ၎࿋փೝ࢚ྺዷLj၎࿋փೝ࢚ࣷገ ࣅྺߛ໏ገ࣑ഗ‫ڦ‬౾ْ฿ኈ(ዷᄲ๟ْܾၿհ฿ኈH2)ăन ๑๟3‫ڦ܈‬၎࿋փೝ࢚ᄺࣷ‫ڞ‬ዂ࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ईSFDRႠ ీ‫ူޗٷڦ‬ইăසࡕ૗ຕ਍๮֩ᇨ೺ሗො༬Ⴀֶ‫ڥ‬ᇺLjᆮ ഄ๟H2Ljփᄲथጣሴ࠰ገ࣑ഗLjᆌံॠֱമ‫܋‬ยऺă Page 213 ሞߛೕူ๑ᆩә୿้LjᆶᅃၵӸ݆੗ᅜᆌ‫ْܾܔ‬ၿհ฿ ኈLj૩ස੗‫׈‬๬प૴๑ᆩ‫߲ܠ‬Վუഗईә୿ă੗ᅜ๑ᆩଇ ߲ә୿(ස཮1໯๖Ljగၵ൧઄ူ੗ᅜ๑ᆩෙ߲)Ljӻዺሞߛ ೕ୲ူ߸؊‫܋ڇॽںݴ‬႑ࡽገ࣑ྺֶ‫ݴ‬႑ࡽăഄඍ‫ۅ‬๟቞ ੣क़Lj‫ׯ‬Ԩࢅ֭෇໦ࡼ༵ࣷߛă ଷᅃ߲ॺᅱ๟๑ᆩഄ໱ә ୿ă߸ࡻ‫ڇڦ‬ᅃ঴ਦ‫ݛ‬ӄә୿ᅙঢ়௬๨LjԲසAnarenĂ HyperlabsĂMarki MicrowaveĂMini-Circuits®ࢅPicosecond ‫ׂڦ‬೗Ljසُ‫ڪڪ‬Ljփᅃܸፁă ኄၵࠅິ‫ۼ‬ᆶጆ૧ยऺLj ֑ᆩ‫ڦ‬༬๺ྊ೫঳ࠓ੗ᅜሞGHz‫ాྷݔ‬ኧ‫੻ټڦ੻߸׼‬Lj ੗ᅜ༵ࠃߛ຤ೝ‫ڦ‬ೝ࢚ႠీLjኻ֑ᆩᅃ߲ഗॲLjᆶ้ഄ؅ ٫ၭᇀ‫׉ৃړ‬ᆩ‫ڦ‬Քጚཎᄟ༹ă ऻዿLjժ‫ݥ‬໯ᆶ዆ሰฆ‫ۼ‬๑ᆩཞᄣ‫݆ݛڦ‬ઠࡀۨә୿‫ڦ‬Ⴀ ీLjन๑ࡀ߭௽၂ૌຼLj၎ཞ൧઄ူә୿‫ڦ‬ሏႜ൧઄ᄺ੗ ీփཞăྺമ‫܋‬ยऺ჋ስә୿‫ڦ‬ፌॅ཰০๟๭णժକ঴੊ ୯‫ాྷݔ‬ә୿‫ڦ‬໯ᆶࡀ߭Ljժ໭ൽ዆ሰฆຕ਍๮֩ዐுᆶ ຫ௽‫ڦ‬ഄ໱ዷᄲຕ਍ၜăُྔLjᄺ੗๑ᆩྪஏ‫ݴ‬ဆᅏईߛ ໏ఇຕገ࣑ഗኮമ‫ڦ‬ဣཥӱઠ࢚ଉഄႠీă MS-2597 ๑ᆩ‫ڇ‬ә୿ई‫ܠ‬ә୿ྊ೫঳ࠓ้LjፌࢫႴᄲጀᅪ‫ڦ‬ᅃ‫ۅ‬ ๟Ljքਆ‫ܔ‬၎࿋փೝ࢚ᄺഐጣዘᄲፕᆩăྺሞߛೕူԍ‫׼‬ ፌॅႠీLjքਆᆌ৑੗ీ‫׬ܔ‬ă‫ޏ‬ሶLjጽ၍ൟྲ฿ದ੗ీ ๑֑ᆩә୿‫ڦ‬മ‫܋‬ยऺՎ‫ࡹڥ‬࿮ᆩ‫(ت‬न‫ۯ‬ༀ‫ྷݔ‬๴၌)ă മ‫܋‬೅ದ ๯ံLj“೅ದ”ኄَ߲ᆌ޿৉ั๑ᆩăසৃLjᆩ100 MSPS‫ڦ‬ ገ࣑ഗबࢭփ੗ీሞ௅߲ೕ୲ူํ၄മ‫ڦ܋‬೅ದLj߸փᆩ ຫሞ100 MHz‫ڦ‬ೕ‫ాྷݔټ‬ăຍᇕ“೅ದ”ᆌ՗๖ሞമ‫܋‬ย ऺዐీׂิፌॅ঳ࡕ‫ڦ‬ᆫࣅăኄ๟ᅃ߲ాඹඇ௬‫ڦ‬ຍᇕLj ഄዐLjፆੇĂ঍ୁႠీĂ႑ࡽൻ‫ۯ‬ഽ‫੻ټࢅ܈‬ᅜतཚ‫ټ‬ೝ །‫܈‬LjኄၵኸՔ‫ీۼ‬ሞ༬ۨᆌᆩዐׂิፌॅ঳ࡕă ኄᅪ࿆ጣሞᆌᆩዐLjᆌ‫ړ‬඄࢚௅߲֖ຕ‫ڦ‬ዘᄲႠă૩සLj గၵ൧઄ူLj‫੻ټ‬੗ీ๟ፌዘᄲ‫߭ࡀڦ‬LjᅺُLjഄ໱֖ຕ ੗ᅜ୼ፕဎึLjᅜՍీํ၄໯Ⴔ‫੻ټ‬ă཮2၂๖କᅃ߲ GSPSገ࣑ഗ‫ڦ‬๼෇ྪஏăྪஏዐ‫ڦ‬௅߲‫ۉ‬ፆ‫ۼ‬ၟᅃ߲Վ ଉǗ඗ܸLj‫߀ړ‬Վ௅߲‫ۉ‬ፆ‫ڦ‬ኵᅜׂิएԨ၎ཞ‫ڦ‬๼෇ፆ ੇ้LjႠీ֖ຕᄺࣷ߀ՎLjස՗1໯๖ă ཮1. ມә୿/Վუഗྊ೫঳ࠓ ཮2. ཚᆩമ‫ྪ܋‬ஏ Ⴀీࡀ߭ –3 dB‫੻ټ‬ ཚ‫ټ‬-ೝ།‫(܈‬2 GHz࿖հ) SNRFS @ 1000 MHz SFDR @ 1000 MHz H2/H3 @ 1000 MHz ๼෇ፆੇ(500 MHz) ๼෇ൻ‫(ۯ‬500 MHz) ՗1. ํ֪Ⴀీ೅ದᇑෙዖമ‫܋‬ยऺ൧઄‫࠲ڦ‬ဣ ൧઄1 – R1=25 ΩLj ൧઄2 – R1=25 ΩLj R2=33 ΩLjR3=33 Ω R2=33 ΩLjR3=10 Ω 3169 MHz 2.34 dB 58.3 dBFS 74.5 dBc –74.5 dBc/–83.1 dBc 46 Ω 15.0 dBm 3169 MHz 2.01 dB 58.0 dBFS 74.0 dBc –77.0 dBc/–74.0 dBc 45.5 Ω 12.6 dBm ൧઄3 – R1=10 ΩLj R2=68 ΩLjR3=33 Ω 1996 MHz 3.07 dB 58.2 dBFS 77.5 dBc –77.5 dBc/–85.6 dBc 44.4 Ω 10.7 dBm Page 214 MS-2597 ํाฉLjፆੇ೅ದྪஏएԨ၎ཞLjኻ๟‫ܔ‬ᇀമ‫ྪ܋‬ஏยऺ ໯Ⴔᄲ‫֖֪ํڦ‬ຕܸჾLjኄෙ߲૩ጱኮक़‫ํڦ‬ा঳ࡕᆶ໯ փཞăኄ૛‫ڦ‬೅ದ๟໯ᆶ၎࠲֖ຕ‫ڦ‬ፌॅ঳ࡕLjԨ૩໯Ⴔ ‫ྺ੻ټ‬2.5 GHzăኄՍॽ჋ስ३ณ‫ڟ‬൧઄1ࢅ൧઄2Ljස཮3 ໯๖ă ཮3. ‫੻ټ‬೅ದ ৊ᅃօ੊ִ൧઄1ࢅ൧઄2Lj၂඗੗ᅜੂ‫؜‬Lj൧઄2߸ྺ੗ ൽLjᇱᅺᆶܾăഄᅃLjཚ‫ټ‬ೝ།‫܈‬ሞ2 GHz‫ڦాྷݔ‬࿖հኻ ᆶ2 dBăഄܾLj๼෇ൻ‫ۯ‬Բ൧઄1ณ3 dBmLjኄ৽৊ᅃօই ‫گ‬କ‫ܔ‬႑ࡽ૾‫ڦ‬RFሺᅮ‫ڦ‬၌዆LjᅜՍሞә୿ᇱՉ‫ߛڦ‬໏ገ ࣑ഗฉํ၄஢ଉ‫ײ‬ăሞԨ૩ዐLj൧઄2ሞ೅ದ‫ݛ‬௬ຼࢭ՗ ၄ፌࡻă ၭ঳ ሞ‫ܔ‬ড੻‫੻ټ‬৊ႜ֑ᄣᅜޮ߃‫߲ܠ‬ణՔೕ‫ټ‬Ljईኁ३ൟമ ‫܋‬RF‫ټ‬ฉ‫ࢇंڦ‬ইუप‫้څ޶ڦ‬LjGSPSገ࣑ഗਏᆶ૙ஃ ฉ‫ڦ‬ᅟᆩႠᆫ๞Ǘ඗ܸLjሞ1 GHz‫ํాྷݔ‬၄໯Ⴔ‫੻ټ‬੗ీ ‫ߛܔ‬Ⴀీገ࣑ഗമ‫ྪ܋‬ஏ‫ڦ‬ยऺሰ‫ׯ‬཈቟ă ൩ጀᅪLj‫ړ‬၎ ࿋փೝ࢚‫ܔ‬ᇀߛ໏ఇຕገ࣑ഗํ၄ፌॅܾ঩၍Ⴀ‫ڪ܈‬Ⴀీ ࢔ዘᄲ้LjခՂᄲ௽ඓә୿‫ڦ‬༬Ⴀăन๑჋ስә୿Ljසࡕ ໯ᆩքਆरຍവॅLjഄႠీᄺ࿮݆؊‫ํݴ‬၄ăཞ้࣏ᄲጀ ᅪኟඓ೅ದྪஏăऻዿLjྺକ‫ڟٳ‬༬ۨᆌᆩ‫ڦ‬Đ೅ದđཉ ॲLjႴᄲ஢ፁ‫֖߲ܠ‬ຕă ֖੊࿔၅ 1) Rob ReederLjĐ੻‫ټ‬ఇຕገ࣑ഗ‫ڦ‬Վუഗ᳘ࢇമ‫܋‬đLj ఇె‫ڼࣆܔ‬39ਝLj‫ڼ‬2೺Lj2005౎4ሆ 2) Rob ReederLjĐ੻‫ټ‬ఇຕገ࣑ഗമ‫܋‬ยऺ੊୯ǖࢆ้๑ ᆩມՎუഗದዃđLjఇె‫ڼࣆܔ‬40ਝLj2006౎7ሆ 3) Rob ReederࢅJim CasertaLjĐ੻‫ټ‬ຕఇገ࣑ഗമ‫܋‬ยऺ ੊୯IIǖᆩ‫ٷݣ‬ഗ࣏๟ᆩՎუഗൻ‫ۯ‬ADCǛđLjఇె‫ࣆܔ‬ ‫ڼ‬31ਝLj‫ڼ‬1೺Lj2007౎2ሆ 4) Rob ReederࢅEric NewmanLjAN-827ᆌᆩԴऻLj‫ٷݣ‬ഗ ᇑਸ࠲‫ۉ‬ඹADCথ੨‫ڦ‬ၿና೅ದ‫݆ݛ‬LjADIࠅິLj2006౎ 5) Rob ReederLjAN-742ᆌᆩԴऻLjਸ࠲‫ۉ‬ඹADC‫ڦ‬ೕᇘၚ ᆌLjADIࠅິLj2009౎ 6) Ken GentlleLjAN-912ᆌᆩԴऻLj૧ᆩೝ࢚‫ୁۉ‬๼‫؜‬DAC ൻ‫ۯ‬ዐ႐؏ཀྵՎუഗLjADIࠅິLj2007౎ ፕኁ०঻ Rob Reeder [rob.reeder@analog.com]๟ADIࠅິ߾ᄽᇑᅏഗ ᅏ՗ևߛपဣཥᆌᆩ߾‫ײ‬฾Lj޶ሴਬ๚ࢅࡵ੣ࡵཀᆌᆩLj ߾ፕ‫ۅں‬๟ԛਸ਼ஆઠభዝ߭ଠຯձஆă໱݀՗କ‫ٷ‬ଉᆶ࠲ ߳ዖᆌᆩ‫ڦ‬ገ࣑ഗথ੨Ăገ࣑ഗ֪๬ࢅఇె႑ࡽ૾ยऺ‫ڦ‬ ஃ࿔ă໱ሼሞߛ໏ገ࣑ഗׂ೗၍ฉ‫څ‬ඪᆌᆩ߾‫ײ‬฾8౎ኮ ৳ăሞُኮമLjRob࣏ሞADI‫ܠ‬ႊೌׂ೗ᄽခևٗ๚ࡗ֪ ๬ਸ݀ࢅఇెยऺ߾‫߾ײ‬ፕLjᆛᆶ5౎‫ڦ‬໿੣Ăਬ๚ࢅߛ ‫܈‬੗੍‫ڦ‬ᆌᆩఇె႑ࡽ૾ఇ੷ยऺঢ়ᄓăRobᇀ1996౎ࢅ 1998 ౎‫ݴ‬՚इ‫ڥ‬ԛᅉ૧౷ຯዝ‫ٷ‬ბ‫ۉڦ‬ጱ߾‫ײ‬ბ๗(BSEE) ბ࿋ࢅ‫ۉ‬ጱ߾‫ײ‬ຬ๗(MSEE)ბ࿋ă ጀ๥ One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA12020sc-0-12/13 Page 215 www.analog.com/cn ©2013 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2773 ߛ໏ገ࣑ഗरຍ‫ڦ‬৊օ‫ူܔ‬ᅃ‫پ‬ ࿮၍ཚ႑ဣཥยऺ‫ڦ‬ኧ‫׼‬ ፕኁǖYi ZhangࢅMichele VianiLjADIࠅິߛ໏ገ࣑ഗև ோᆌᆩ߾‫ײ‬฾ ०঻ ࿮၍ཚ႑ྪஏኟሞტ௓݀ቛăၩ‫ݯ‬ኁ‫ܔ‬ሺഽຕ਍‫ޜ‬ခ‫ڦ‬Ⴔ ൱නᅮሺ‫׊‬Lj‫ڦ੻ټܔ‬๑ᆩ୲ᄺሞฉืăႎᅃ‫پ‬࿮၍ཚ႑ ဣཥᄲ൱߸ߛ‫ڦ‬ຕ਍ཾུ໏୲Ă߸‫ڦߛ߸ࢅࡼࠀڦگ‬੗੍ Ⴀăኄၵᄲ൱ཚ‫ࢻ׉‬၎؋཭ăྺକ஢ፁኄၵᄲ൱Ⴔᄲᆶߛ ֑ᄣ໏୲Ăߛ႑ࡽ‫੻ټ‬Ăߛၳ୲‫ڦ‬ຕఇገ࣑ഗ(DAC)঴ਦ ‫ݛ‬ӄăႎᅃ‫ߛپ‬໏DACׂ೗ਏᆶGSPS֑ᄣ୲ࢅ๼෇ຕ਍໏ ୲Lj੗ྺ‫ܠ‬ೕ܎Ă‫ܠ‬Քጚ࿮၍‫ۉ‬एበ༵ࠃ‫ܠ‬ሜհGSMग़ඹ ႠీLjཞ้ీࠕই‫گ‬ဣཥ‫ڦ‬ጺࠀࡼࢅොඤ௢‫܈‬ăԨ࿔༪ஃ ߛ໏ገ࣑ഗසࢆষᆯ߸ߛ‫֑ڦ‬ᄣ໏୲Ă߸੻‫ڦ‬ຕ਍‫੻ټ‬ᅜ त߸‫ࡼࠀڦگ‬Ljઠӻዺဣཥยऺටᇵླྀ‫ۯ‬࿮၍ཚ႑ဣཥ‫ڦ‬ ‫ظ‬ႎă ߛ‫ܔ੻ټ‬ဣཥ‫ڦ‬཈቟ ၄‫پ‬ᅎ‫ۯ‬एበ‫݀ڦ‬พ‫ࡗג੻ټ‬300 MHzժփ๟ࡩ९၄ၡăྺ କኧ‫੻߸׼‬ຕ਍‫ࢅ੻ټ‬ຕጴᇨ฿ኈरຍ‫ڦ‬ᄲ൱Lj༵ืକ‫ܔ‬ ߛ໏DACׂ೗‫ڦ‬੗ᆩ႑ࡽ‫ۯࢅ੻ټ‬ༀႠీՔጚኸՔᄲ൱ă ྺକํ၄߸ߛ‫ڦ‬ဣཥ‫੻ټ‬Lj٪ሞෙ‫ݛ‬௬཈቟ă ‫ڼ‬ᅃLj߸ߛ‫ڦ‬႑ࡽ‫੻ټ‬ᄲ൱DAC֑ᄣ໏୲߸੺ăలઊຯ ༬—ၑ౫֑ᄣ૙ஃࡀۨLjገ࣑ഗ֑ᄣ໏୲዁ณᆌྺ‫ׯࢇځ‬ ႑ࡽೕ୲‫ڦ‬ଇԠăᅺُLjሞփ੊୯ഄ໲ยऺሀຐ‫ڦ‬൧઄ ူLjDAC֑ᄣ໏୲Ⴔᄲᅜ႑ࡽ‫੻ټ‬2Ԡ‫ڦ‬໏୲༵ߛăܸ൐ ఇెዘࠓ୳հ๟ဣཥยऺ‫ڦ‬ଷᅃዘᄲᅺ໎Ljྺକ०ࣅኄ߲ ୳հഗ‫ڦ‬ยऺႴᄲᆶ߸ߛ‫ڦ‬DAC֑ᄣ୲ăሞ࿮၍݀พऐዐ ๑ᆩਈႚఇె୳հഗ़փ੗ႜLjᄺ࿮ฯၳࡕăํ७ዐLjဣ ཥᄲ൱DAC֑ᄣ໏୲၎‫ܔ‬ᇀࢇ‫ׯ‬႑ࡽ‫੻ټ‬ᆶᅃۨ‫֑ࡗڦ‬ᄣ ԲLjᅜՍሞణՔ႑ࡽᇑႴᄲᅞ዆‫ߛڦ‬ೕDAC֑ᄣ৥ၟኮक़ ࠓॺᅃ߲୳հഗࡗ‫ټ܉‬ă૩සLjසࡕᄲࢇ‫ڦׯ‬႑ࡽ‫੻ټ‬๟ ±50 MHz൐ዐ႐ೕ୲ྺ150 MHzLjሶDAC๼‫؜‬႑ࡽ‫ڦ‬ฉ၌๟ 200 MHzǗܸසࡕᄲࢇ‫ڦׯ‬႑ࡽ‫੻ټ‬๟±150 MHz൐ዐ႐ೕ ୲ྺ300 MHzLjሶDAC๼‫؜‬႑ࡽ‫ڦ‬ฉ၌๟450 MHză੗ᅜੂ ‫؜‬Lj‫ܾڼ‬ዖ൧઄‫ܔ‬DAC֑ᄣ໏୲‫ڦ‬ᄲ൱ᄲߛ‫ܠڥ‬ă ‫ܾڼ‬Lj߸ߛ‫ڦ‬႑ࡽ‫੻ټ‬ᄲ൱ገ࣑ഗຕ਍থ੨߸੺൐߸੗੍ă ໯Ⴔ‫ڦ‬႑ࡽ‫੻ټ‬ᇑ݀พຕ਍‫ུཾڦ‬໏୲‫ׯ‬Բ૩༵ߛăᄲ૧ ᆩIQۙ዆ํ၄300 MHzဣཥ‫੻ټ‬Ljມཚ‫ڢ‬DAC(IࢅQ)‫ڦ‬ፇࢇ ๼෇ຕ਍໏୲Ⴔྺ750 MSPS(्ย୳հഗࡐইဣຕྺ0.2)ăᅺ ُLj๼෇ຕ਍ዜ೺ྺ1.33 nsLjՂႷ৑੗ీၩ‫أ‬ຕ਍ጺ၍‫ڦ‬࿋ क़้Ⴞփ‫ܔ‬ጚ൧઄ᅜՍ஢ፁॺ૬ࢅԍ‫้׼‬Ⴞᄲ൱Ljኄࣷߴ ဣཥยऺටᇵ‫ټ‬ઠ਎‫ٷ‬უ૰ăැ֑ᆩ‫د‬ཥ‫ڦ‬ժႜຕ਍থ੨ ‫ ݛ‬ӄ Lj ස LVDSࢅ CMOS‫ ڪ‬Lj ํ ၄ వ ‫ ٷ ׉ ݥ ॽ ܈‬ă ႎ ႙ JESD204Bߛ໏‫ز‬ႜথ੨༵ࠃᅃዖ੗੍൐੗કቛ‫ڦ‬঴ਦ‫ݛ‬ ӄLjኧ‫ื׼‬प‫ڦߛ߸ڟ‬ຕ਍໏୲ă ‫ڼ‬ෙLjण‫ۉׯ‬ୟ(IC)ഗॲժ‫ݥ‬૙ၙഗॲăDACᄺփ૩ྔă ߸ߛ‫ڦ‬๼‫੻ټ؜‬ᄲ൱DACഗॲ༵ࠃ߸ࡻ‫ۯڦ‬ༀႠీLjᇱᅺ ᆶܾǖ๯ံLj ‫ۯ‬ༀ‫ྷݔ‬ᅃӯໜጣDAC๼‫؜‬ೕ୲‫ܸߛ༵ڦ‬ই ‫گ‬ăُྔLj‫੻ټړ‬ড‫้ٷ‬Lj஌෇ణՔೕ܎ా‫ڦ‬ሗො‫ྫݴׯ‬ ྫᄺ߸‫ܠ‬ă඗ܸLjဣཥሗොᄲ൱ժփໜጣ႑ࡽ‫੻ټ‬Վ‫ܸٷ‬ ༵ߛईܸই‫گ‬ă࿮ஃኧ‫ڦٷܠ׼‬႑ࡽ‫੻ټ‬Ljᅎ‫ۯ‬एበ‫ۼ‬ᄲ ஢ፁ݀พఇӱᄲ൱ăਏᆶ‫؜‬෥‫ۯ‬ༀႠీ‫ڦ‬DACࣷ०ࣅဣཥ ‫ڦ‬ೕ୲ࡀࣄࢅ୳հ߾ፕă ཮1ࢅ཮2၂๖କAD9144 DACᅜ2,800 MSPS‫ڦ‬DAC֑ᄣ໏୲ ࢇ‫ׯ‬ᅃ߲80 MHz႑ࡽ(16ሜհC-WCDMA)‫֪ํڦ‬ೕ೷Ⴀీă Page 216 MS-2773 ཮1. AD9144 DACࢇ‫ׯ‬16ሜհC-WCDMA႑ࡽ‫ټ੻֪ํڦ‬Ⴀీ (ፌߛ‫ٳ‬లઊຯ༬ೕ୲)LjfDAC = 2,800 MSPS ཮2. ADRF6720 QMOD๼‫ټ੻֪ํڦ܋؜‬ႠీLj 3 GHz RFೕ୲Lj૧ᆩཞᄣ‫ڦ‬AD9144 DAC๼‫؜‬ (සཞ཮1)ൻ‫ۯ‬QMOD ဣཥ‫ߛࢅࡼࠀگڦ‬੗੍Ⴀ཈቟ ྺକ༵ߛ݀พ‫ࢅ੻ټ‬ຕ਍ඹଉLjဣཥยऺටᇵ࣏௬ଣጣഄ ໲཈቟LjԈઔࠀࡼĂොඤࢅဣཥ੗੍Ⴀăኄၵ‫ݛ‬௬‫׉׉‬փ ૧ᇀํ၄߸ߛဣཥ‫੻ټ‬Ljᆶ้ฯ዁ᇑኄᅃణՔ၎؋཭ăᅺ ُLjဣཥยऺටᇵႴᄲᅃዖీࠕሞཞᅃ‫ހ‬ጎዐํ၄߸ߛ༬ Ⴀण‫܈ׯ‬Ă߸‫ࡼࠀگ‬Ă߸‫߾گ‬ፕ݀ඤ௢‫܈‬Ă߸੻‫ڦ੻ټ‬ႎ ႙DACׂ೗ă ߛ໏DACׂ೗ৎ౎ઠ݀ቛტ໏Ljժ൐ण‫ׯ‬କ߸‫ڦܠ‬ຕጴࢅ ఇె༬ႠăDACೌా้ዓԠೕഗPLLࢅཚ႑ጆᆩ႑ࡽ‫ت‬૙ ༬Ⴀ৽๟ଇ߲཭‫ڦ؜‬૩ጱăࡗඁLjኄၵ༬Ⴀ๟ሞဣཥዐ‫ڦ‬ഄ ໲‫ํݛں‬၄Lj૩සߛ໏้ዓࢇ‫ׯ‬ႊೌഗࢅए‫ټ‬ASIC/FPGAă ਏԢኄၵࠀీ‫ڦ‬DACփৈీই‫گ‬ጺBOM‫ׯ‬ԨLjܸ൐੗०ࣅ ยऺժ༵ߛ੗੍ႠăᆯᇀDACాዃ้ዓԠೕഗLjဣཥৈႴ ྺഗॲ༵ࠃ‫گ‬ೕ֖੊้ዓă้ዓԠೕഗ໮ۨྔև֖੊้ ዓLjׂิDACాև๑ᆩ‫ߛڦ‬໏֑ᄣ้ዓăኄᄣ৽੗ᅜ३ณ ‫ߛܔ‬໏้ዓ᳘ࢇࢅPCBጽ၍ፆੇ೅ದ‫څڦ‬ᆭăࠀ୲ॠ֪ࢅ ԍࢺ‫ڪ‬ႎຕጴ༬ႠྺRF႑ࡽ૾༵ࠃ‫ڦྔܮ‬ԍࢺLj‫ݞ‬ኹഄ๴ ‫ྷݔגڟ‬႑ࡽईᅴ‫׉‬ဣཥႜྺ໦࡞ă৑࠶ण‫܈ׯ‬௽၂༵ ߛLjDACഗॲ‫ࡼࠀڦ‬ᇑമ‫ׂپ‬೗၎Բඐ‫ٷ‬ዂฉԍ‫׼‬࿘ۨLj ฯ዁ই‫گ‬Ljኄၵࡃࠀᇀࡂ߾ᅝব‫ۅ‬؅٫߸ၭࢅߛ໏DACर ຍ‫ڦ‬৊օLjኄ‫ܔ‬঴ਦኄၵဣཥ཈቟ࣩ݀କ਎‫ٷ‬ፕᆩă ‫أ‬କࠀࡼࢅ༐ಇ‫گ߸ݣ‬ᅜྔLj‫ࡼࠀگ‬ഗॲ‫ڦ‬ଷᅃ‫تࡻٷ‬๟ ඤଉ௢‫گ߸܈‬ă࿮၍ཚ႑ဣཥཚ‫׉‬๟ਆ၌ሞ຤௢Ⴀ௢Կ‫ڦ‬ ূຌऐၒాă؅٫ࢅዘଉ၌዆ᅃӯփሎႹ֑ᆩዷ‫ۯ‬ૐඐă ICഗॲׂิ‫ڦ‬ඤଉႴཚࡗऐၒොඁăऐၒాև‫ڦ‬੣ഹࢅ PCB࿒‫܈‬੗ీ‫ߛ׉ݥ‬Ljᅜ዁ᇀࣷᆖၚဣཥ‫׊ڦ‬೺੗੍Ⴀă ओે‫ڦ‬ඤଉ੗ీࣷᆖၚPCBऐႁ༬ႠĂഗॲᇑӱኮक़‫ࡰڦ‬ থথཀྵժे໏઻ࣅLjनICഗॲ‫ۉ‬ഘ༬Ⴀ‫ڦ‬ᄺׂࣷิ‫׊‬೺ೋ ᅎăဣཥዐ‫ڦ‬ඤ‫ݴ‬ք/ොඤժփ਩ሌLjׂิඤଉ‫ڦ‬ዷᄲ๟႑ ࡽ‫ت‬૙௢ण‫ڦ‬ഗॲLjߛ໏DAC๟ഄዐኮᅃăᅺُLj༬Ⴀ‫ݿ‬ ޷൐ࠀࡼ࢔‫ڦگ‬DAC‫ܔ‬ဣཥยऺටᇵटਏဌᆅ૰ă ཮3ࢅ཮4‫ݴ‬՚၂๖କAD9144ሞਸഔࢅ࠲ԿDACೌా้ዓԠ ೕഗ‫ڦ‬൧઄ူLjᅜ1966 MSPS‫ڦ‬DAC֑ᄣ໏୲ࢇ‫ׯ‬ᅃ߲4ሜ հC-WCDMA႑ࡽ‫֪ํڦ‬Ⴀీă www.analog.com/cn Page 217 MS-2773 ཮5ࢅ཮6၂๖କAD9144ᅜ1,966 MSPS‫ڦ‬DAC֑ᄣ໏୲ࢇ‫ׯ‬ ᅃ߲6C-GSM႑ࡽ‫֪ํڦ‬Ⴀీă ཮3. AD9144‫֪ํڦ‬4ሜհC-WCDMA ACLRႠీLj 150 MHz๼‫؜‬ೕ୲Ljೌా้ዓԠೕഗ๑ీLj fREF = 245.76 MHzLjfDAC = 1,966 MSPS ཮5. AD9144‫֪ํڦ‬6 C-GSM IMDႠీLj 50 MHz DAC๼‫؜‬ೕ୲LjfDAC = 1,966 MSPS ཮4. AD9144‫֪ํڦ‬4ሜհC-WCDMA ACLRႠీLj 150 MHz๼‫؜‬ೕ୲Ljೌా้ዓԠೕഗ্ᆩLj fDAC = 1,966 MSPS ဣཥሞཚᆩೝ໼ยऺ‫ݛ‬௬‫ڦ‬཈቟ ሞᄲ൱߸࠽ޮ߃‫ڦ੻ټ੻߸ࢅྷݔ‬ཞ้Ljၩ‫ݯ‬ኁ‫ܔ‬ຕ਍‫ޜ‬ ခႴ൱‫੺ڦ‬໏કቧLjႴᄲᆶሶࢬ࣓‫ܠ‬Քጚ࿮၍‫(ۉ‬MSR)ए በኧ‫׼‬ăփཞ‫ڦ‬࿮၍‫ۉ‬रຍᅜतփ܏ሺे‫ڦ‬ೕ୲‫ݴ‬ದ๑੦ ዆ྪஏࢅই‫ׯگ‬ԨՎ‫ްྺ߸ڥ‬ሗăྺକ஢ፁኄၵႴ൱LjՂ Ⴗཚࡗᆶၳ൐၎‫૸ܔ‬ॏ‫ݛڦ‬ӄઠ঴ਦMSRएበࠓॺ࿚༶Lj नཚᆩೝ໼ยऺăDACरຍ৊օኧ‫׼‬एበยऺ‫ڦ‬ኄዖ݀ ቛăᅃӯණྺ‫ܠ‬ሜհGSM (MC-GSM)๟‫ۯܔ‬ༀ‫ྷݔ‬ᄲ൱ፌ ੏ਗ਼‫ڦ‬੣ዐՔጚăMC-GSM֪๬‫׉‬ᆩઠಒ܏ᅃ੼DACׂ೗ ๟‫ޏ‬ኧ‫׼‬ཚᆩೝ໼ยऺă ၭ঳ ཮6. AD9144‫֪ํڦ‬6 C-GSM੻‫ټ‬ႠీLj 50 MHz DAC๼‫؜‬ೕ୲LjfDAC = 1,966 MSPS ၄‫پ‬࿮၍ཚ႑ྪஏኟሞ‫ו‬ጣ߸‫ܠ‬ຕ਍‫ޜ‬ခࢅ߸ߛ‫੻ټ‬๑ᆩ ୲‫ݛ‬ၠ݀ቛăྺକኧ‫׼‬ኄᅃ൵๞Ljႎᅃ‫پ‬࿮၍ཚ႑ဣཥՂ ႷਏԢ߸ߛ‫ڦ‬ຕ਍ཾུ໏୲Ă߸‫ڦߛ߸ࢅࡼࠀڦگ‬੗੍ Ⴀăߛ໏DACरຍ‫ڦ‬৊օLj૩සADIࠅິླྀ‫ڦ؜‬AD9144Lj ੗ᅜኧ‫ူ׼‬ᅃ‫ܠپ‬Քጚ࿮၍‫ۉ‬ยऺLjժ൐ᅙঢ়ӻዺဣཥย ऺටᇵሞ‫࠲߲ܠ‬॰रຍྼ‫܈‬ฉํ၄କ཭೦Ⴀ‫ظ‬ႎă Page 218 MS-2773 ፕኁ०঻ Yi Zhang๟ADIࠅິߛ໏ገ࣑ഗևோᆌᆩ߾‫ײ‬฾ă໱ᇀ2007 ౎े෇ADIࠅິLjᆛᆶ‫ࡗג‬8౎‫ߛڦ‬໏ገ࣑ഗׂ೗ࢅߛ໏ं ࢇ႑ࡽᆌᆩঢ়ᄓă໱ྺࡻब‫ߛپ‬໏ຕఇገ࣑ഗ(DAC)ׂ೗ ጉႀକຕ਍๮֩ĂᆌᆩԴऻࢅरຍ࿔ቤă໱ᆛᆶ੃లܻ‫ٷ‬ ბ‫ۉ‬ഘ߾‫ײ‬ຬ๗ბ࿋ă Michele Viani๟ADIࠅິߛ໏ገ࣑ഗևோᆌᆩ߾‫ײ‬฾Ljᅙ߾ ፕ5౎ă໱़๟ׂ೗߾‫ײ‬฾Ljᄺ๟ᆌᆩ߾‫ײ‬฾Lj޶ሴೠࠚ ߛ໏ຕఇገ࣑ഗׂ೗Ljժၠਜ਼ࢽ༵ࠃरຍኧ‫׼‬ᅜ঴ਦํแ ࿚༶ă໱ᆛᆶ୿ຯુ૙߾ბᇾ‫ۉ‬ഘ߾‫ײ‬ბ๗ბ࿋ă TA12974sc-0-1/15 Page 219 www.analog.com/cn ©2015 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . ຕጴ߰૗ഗ‫ڦ‬Ҿඇ੗੍Ⴀ ፕኁǖDavid KrakauerLjADIࠅິiCoupler߰૗ׂ೗၍ঢ়૙ ᅃ‫ݛ‬௬Ljยऺ߾‫ײ‬฾փၙሞဣཥዐሺे‫߰ୁۉ‬૗Ǘଷᅃ‫ݛ‬ ௬Ljྺକ஢ፁࡔాईࡔाҾඇ݆ࡀᄲ൱Lj໱்փ‫ڥ‬փኄᄣ ፔăሺे‫߰ୁۉ‬૗‫ڦ‬Ձ‫܋‬๟߰૗኱থ‫ݣ‬ሞຕ਍ୟ০ዐLjࣷ ‫ڞ‬ዂჽ‫׿‬ժ๑ဣཥՎ஥ăُྔ࣏ࣷሺेࠀࡼĂ؅٫ࢅ‫ׯ‬ Ԩăኄၵችዐସටᅍ࡮ă‫౎ܠ‬ઠLjยऺ߾‫ײ‬฾๑ᆩ࠼᳘ࢇ ഗLj௩ഽᆌ‫ܔ‬ኄၵඍ‫ۅ‬Lj‫ڍ‬ᅃዖႎ႙‫߰ୁۉ‬૗ഗ——ຕጴ ߰૗ഗᅙঢ়ฉ๨Lj࣐঴କኄၵփ૧ᆖၚă૧ᆩຕጴ߰૗ഗ ੗ᅜํ၄؅٫߸ၭĂీၳ߸ߛĂ߸ਏႠॏԲĂႠీ߸ߛ‫ڦ‬ ยऺă඗ܸLjҾඇՔጚժ࿄ཞօ߶৊Ljߴຕጴ߰૗ഗ‫ټ‬ઠ କઓउࢅփඓۨႠǖ໲்๟‫ޏ‬ၟ‫߰ୁۉ‬૗ᅃᄣҾඇǛ໲் ๟‫ޏ‬஢ፁҾඇ݆ࡀᄲ൱Ǜ ‫ٴ‬ӄ๟੝ۨ‫ڦ‬ǖຕጴ߰૗ഗీࠕ஢ፁࡔాࢅࡔाՔጚ‫ڦ‬Ҿ ඇᄲ൱ă‫ڍ‬๟Lj‫ܠٷ‬ຕࠃᆌฆ༵ࠃ‫࠼ڦ‬᳘ࢇഗਏᆶ၎ຼ‫ڦ‬ ঳ࠓLjຕጴ߰૗ഗሶփ඗Ljփཞࠃᆌฆᅜփཞ‫ݛ‬๕ยऺࢅ ዆ሰຕጴ߰૗ഗLjᅺܸ߰૗ీ૰փ৑၎ཞLj༬՚๟ᇑ࠼᳘ ࢇഗഽॳ‫߰ڦ‬૗ీ૰၎Բড้ăᅺُLjժ‫ݥ‬໯ᆶຕጴ߰૗ ഗरຍࢅํ၄‫ݛ‬ӄ‫ࠃ༵ీۼ‬ཞᄣ‫ڦ‬ҾඇႠă ߰૗ഗᆶ຺߲ዷᄲ੊୯ᅺ໎ǖ x ਨᇹ֌ଙ x ߰૗ᇮॲ x ຕ਍‫د‬๼ॐࠓ x ‫ހ‬ጎ ௅߲ᄲ໎‫ۼ‬٪ሞփཞ‫ڦ‬჋ስLjፌዕፇࢇਦۨ߰૗ഗ‫ీڦ‬ ૰ăԨ࿔ॽ਋ঋᇀਨᇹ֌ଙLj໲๟ਦۨҾඇႠߛ‫ڦگ‬ዷᄲ ᅺ໎ă࠼᳘ࢇഗ๑ᆩ߳ዖ਋ࢇ࿿֌ଙLjԈઔ‫ހ‬ጎ‫࣍ڦ‬ᄟຏ ኬ໒‫֌ހ‬ଙăຕጴ߰૗ഗ๑ᆩૌຼ‫ڦ‬਋ࢇ࿿ई਋ḅჱӃ֌ ଙLjᄺ੗ᅜ๑ᆩܾᄟࣅࡂă߰૗๱ంࢅፌߛఱ๴‫ۉ‬უ‫ڦ‬փ ཞൽਦᇀ֌ଙࢅ዆ሰ߾ᅝă࿢்ံ੊୯ҾඇՔጚᅜत໲் ᇑփཞૌ႙߰૗ഗ‫࠲ڦ‬ဣă रຍ࿔ቤ MS-2423 କ঴߰૗ᄲ൱ǖՔጚ‫ްڦ‬ሗႠ ဣཥपՔጚኼሞ‫ت‬૙࣍ৣཉॲᇑဣཥ๑ᆩཉॲ‫ֶڦ‬ᅴă૩ සLjॆᆩ‫ۉ‬ഗ‫ڦ‬ᄲ൱փཞᇀᅅᇾᆩթට॔ࢺᅏई߾‫׍‬ዐ‫ۉ‬ ऐൻ‫ۯ‬ഗ‫ڦ‬ᄲ൱ă໲்‫׉׉‬ཚࡗᆅᆩ‫߰ୁۉ‬૗ഗ༬ۨ‫ڦ‬ഗ ॲपՔጚઠຫ௽߰૗ҾඇႠăᆶෙዖՔጚኵ‫ڥ‬ጀᅪǖ x IEC 60747ǖӷ‫༹ڞ‬ഗॲ——‫ڼ‬1և‫ݴ‬ǖཚሶ x UL 1577ǖ࠼ბ߰૗ഗՔጚ x VDE 0884-10ǖӷ‫༹ڞ‬ഗॲ——ᆩᇀҾඇ߰૗‫ىڦ‬Ⴀ᳘ࢇ ഗࢅඹႠ᳘ࢇഗ ໚඗߳ዖՔጚ‫ڦ‬ణՔ၎ຼLjनඓԍᆩࢽĂ֡ፕᇵࢅยԢ‫ڦ‬ ҾඇႠLj‫֑ڍ‬ᆩ‫݆ݛڦ‬փཞăIEC 60747൶‫ݴ‬କ߰૗‫ڪ‬प(૩ සएԨਨᇹᇑሺഽਨᇹ)LjUL 1577ሶጀዘ߰૗ഗሞᅃ้ۨक़ ా(ཚ‫׉‬๟1‫ݴ‬ዓ)ఱ๴గᅃ‫ۉ‬უ຤ೝ‫ీڦ‬૰ăྺକ๢ᆌ໯ᆶ ੗ీ‫ڦ‬๑ᆩ൧ႚࢅཉॲLjဣཥยऺ฾‫׉׉‬Ⴔᄲइ‫ܠڥ‬ዖഗ ॲपՔጚ‫ڦ‬ණኤă ຕጴ߰૗ഗ‫ڦ‬႗ഐ๑࿚༶߸ेްሗLjᅺྺႹ‫ُܠ‬ૌՔጚ๟ ሞยऺ฾ኻᆶ࠼᳘ࢇഗ੗ᆩ้዆ۨ‫ڦ‬ăኄၵՔጚ৆ۢᇑ࠼ ᳘ࢇഗ၎࠲‫ڦ‬ෑ‫ۅ‬Lj༵ࠃକԍኤҾඇႠ‫཰ڦ‬০ă ‫ܔ‬ᇀ࠼᳘ࢇഗLjኄၵ‫׉ݥ݆ݛ‬ᆶၳLj‫ڍ‬੗ీփ๢ᆩᇀຕጴ ߰૗ഗăᅜණኤ߾ፕ‫ۉ‬უྺ૩Lj໲๟૶Ⴤแेᇀ߰૗ቆ‫ڦ‬ ‫ۉ‬უăਏᆶණኤ߾ፕ‫ۉ‬უ‫߰ڦ‬૗ഗᆌీዕวఱ๴޿‫ۉ‬უă IEC 60747ᄲ൱ཚࡗิׂև‫֪ۉݣݴ‬๬ઠᄓኤ࠼᳘ࢇഗ‫߾ڦ‬ ፕ‫ۉ‬უăՔጚऐࠓᅙঢ়ණۨLjև‫ۉݣݴ‬ഐ๔‫ۉ‬უࢅᆻߌ‫ۉ‬ უᇑ࠼᳘ࢇഗ‫߾ڦ‬ፕ‫ۉ‬უ၎࠲ă዆ሰ߾ᅝ๑ᆩጀ໒‫݆ݛ‬Lj ඹᅟሞ໒ଙాևׂิ੣۴ăሞუ૰ူLjُૌ੣۴੗ঢ়૦߸ ߛ‫ׇۉڦ‬Lj‫ڞ‬ዂև‫ۉݣݴ‬ᆅഐ‫ڦ‬Ⴀీই‫گ‬ăሞߛუူ৊ႜ և‫֪ۉݣݴ‬๬੗ᅜॠ֪๟‫ޏ‬٪ሞ੣۴Lj݀၄ሞ၄‫ׇ‬ᆌᆩዐ ࣷ฿ၳ‫ْڦ‬೗ă Page 220 MS-2423 ኄዖև‫݆ݛۉݣݴ‬ժփྜඇ๢ᆩᇀຕጴ߰૗ഗăຕጴ߰૗ ഗඓํ๑ᆩૌຼ‫ހڦ‬ጎ֌ଙLjՂႷ૧ᆩև‫ۉݣݴ‬৊ႜ֪๬ ᅜಒ܏ᆶ࿮ඍ။Lj‫࣏ڍ‬ᆶഄ໱઻ࣅऐ዆ᇑਨᇹ֌ଙ၎࠲ă ߰૗ᇮॲ๑ᆩ‫ڦ‬ዷᄲ߰૗֌ଙ๟ཚࡗჹ௢੦዆‫ڦ‬ৗᇶप߾ ᅝ‫ק‬ओܸ‫ׯ‬Ljփ‫ٷ‬੗ీׂิ੣۴Ljᅺܸ๴և‫ڦۉݣݴ‬ᆖၚ ডၭLj‫ڍ‬ഄ໱઻ࣅऐ዆ਸ๔቞ዷ‫ںڞ‬࿋ăຕጴ߰૗ഗำ‫׬‬ ‫ڦ‬༬ۨ߾ፕ‫ۉ‬უ(ཚ‫׉‬՗๖ྺVIORMLjᅈ਍IEC 60747)੗ీ ࣷሰ‫ׯ‬ဃ঴Ljᅺྺ໲ৈ‫ݒ‬ᆙሞߴۨ‫ۉ‬უူཚࡗև‫֪ۉݣݴ‬ ๬‫ీڦ‬૰ă ᆯᇀև‫ܔۉݣݴ‬ᇀຕጴ߰૗ഗ߾ፕ‫ۉ‬უ๟փྜኝ‫֪ڦ‬๬Lj ᅺُႴᄲഄ໱֪๬ࢅ՗ኙăIEC‫ڦ‬࿄ઠՔጚॽ঴ਦኄᅃ࿚ ༶ժᆅ෇ႎ‫݆ݛڦ‬ăሞࡗ‫܉‬೺क़Ljຕጴ߰૗ഗࠃᆌฆᆶᅭ ခኤ௽໱்සࢆԍኤഗॲሞ‫߾ۨܮ‬ፕ‫ۉ‬უူీࠕዕวኟ‫׉‬ ߾ፕă ֪ଉiCouplerຕጴ߰૗ഗ‫ߛڦ‬უ๱ం ADIࠅິཚࡗև‫ۉݣݴ‬ᅜྔ‫֪ڦ‬๬ԍኤiCoupler®ຕጴ߰૗ ഗ‫߾ڦ‬ፕ‫ۉ‬უăiCouplerຕጴ߰૗ഗሞೝ௬Վუഗ၍ංኮ क़๑ᆩ20 μmࢩ਋ḅჱӃਨᇹ֫Ljኄ๟ৗᇶ዆ሰ߾ᅝ‫ڦ‬ᅃև ‫(ݴ‬९ူ཮)ăኄዖ዆ሰ߾ᅝీᅜ‫ׯگ‬Ԩॽ߰૗ᇮॲᇑඪࢆ ৗᇶӷ‫߾༹ڞ‬ᅝण‫ׯ‬Ljํ၄‫؜‬෥‫ڦ‬ዊଉࢅ੗੍Ⴀăူ௬‫ڦ‬ ೪௬཮၂๖କԥࢩ਋ḅჱӃ֫‫ݴ‬ਸ‫ۥڦ‬ևࢅ‫ڹ‬և၍ං‫ڦ‬ሕ ຕă਋ḅჱӃ֌ଙᆩᇀਨᇹᅙᆶ‫ڦ౎ܠ‬૦๏ăࡗඁๆ‫౎ܠ‬ ઠLjᅙᆶৎ10ᅢኻiCouplerՎუഗཨ෇๑ᆩă Page 221 ྺକ֪ଉኄၵႊೌप߰૗Վუഗ‫߾ڦ‬ፕ‫ۉ‬უ๱ంLj࿢்֑ ᆩߛუఱ๴Ⴀ(HVE)ยዃăHVE๟ሞ߸ߛ‫ۉ‬უ຤ೝ(ཚ‫׉‬ᇺ ߛᇀ‫߾ۨܮ‬ፕ‫ۉ‬უ)ူཚࡗ฿ၳ้क़ํᄓྜ‫ڦׯ‬ă ‫ࢁۉ‬ጀ෇๟‫ڞ‬ዂഗॲ߰૗ऍ‫ڦح‬ዷᄲHVE฿ၳऐ዆ă‫ࢁۉ‬ ጀ෇਋ḅჱӃਨᇹ֫ࢫLj੗ీࣷԥ၌዆ሞਆև။ᑝ࿋ዃժ ๥‫ీݣ‬ଉăසࡕ๥‫ీڦݣ‬ଉፁࠕߛLj਋ḅჱӃా‫ڦ‬॰঳৽ ࣷ܏ਸLjׂܸٗิ߸‫ܠ‬။ᑝ࿋ዃLj‫ڞ‬ዂ߸‫ܠ‬੣क़‫ࢁۉ‬ԥվ ጛăኄዖኟ‫ݒ‬ઍፌዕሰ‫ׯ‬ਨᇹऍ‫ح‬ă ཚࡗඤ૰ბ‫ݴ‬ဆ1Lj๱ంL੗ᅜ՗๖ྺǖ MS-2423 L ~ e ( EEt )n (E  Et )m ഄዐLjEt๟࿮‫ࢁۉ‬ጀ෇݀ิ‫ڦ‬ពኵ‫ׇ‬Ljmࢅn๟Բ૩‫׉‬ຕă ঢ়࠵֪LjiCouplerഗॲ‫ڦ‬HVEຕ਍‫ူࢇޙ‬๕ L ~ eV n ഄዐLjL๟10 ppm้‫ڦ‬฿ၳ้क़LjV๟แे‫૶ڦ‬Ⴤߛუă ူ཮๟ᅃ߲०ࣅ๖૩Lj๑ᆩઠጲߛუ๴֪ᄣԨ‫຺߲ڦ‬ຕ਍ ‫ۅ‬ઠెࢇ޿ఇ႙Ljժྔླྀ࣮‫ۆ‬႙߾ፕ‫ۉ‬უă Page 222 MS-2423 ُຕ਍๟ሞॽᄣԨዃᇀ800 V‫ڟ‬2000 V rms‫ڦ‬60 Hzࠌఇ‫ۉ‬࿋ ֶူ֪‫ڦڥ‬ă߳‫ڇ‬ᇮ‫ڦ‬฿ၳ้क़ऻ୤ժࣹጺᇀူ௬‫ྰڦ‬ք ܻ཮ዐă‫ܔ‬ᇀᇨ೺߾ፕ‫ۉ‬უ‫ڦాྷݔ‬ড‫ۉگ‬უLj฿ၳ้क़ ཚࡗྔླྀइ‫ڥ‬ă 1120 V‫ރރ‬ኵհႚူ‫ڦ‬๱ం၎ཞLjᇑዐ႐‫ۉ‬უ࿮࠲ăᆯᇀҾ ඇ዁࠲ዘᄲLjຕ਍๮֩ᆌ֑ൽԍ๰ༀ‫܈‬ᅜඓԍ࿮യሞླ ၃LjᅺُiCouplerຕጴ߰૗ഗ‫ڦ‬ຕ਍๮֩ኸۨକਨ‫ܔ‬ፌֶ ൧઄߾ፕ‫ۉ‬უă ঳ஃ ຕጴ߰૗ഗ‫ڦ‬ᆅ෇๑‫ڥ‬ᄽᅙްሗ‫ڦ‬ҾඇՔጚᇠेସටઓ उLjᅺྺຕጴ߰૗ഗ๑ᆩփཞᇀ‫߰ୁۉ‬૗‫֌ڦ‬ଙࢅᇮॲLj ժ‫ݥ‬໯ᆶՔጚ‫ۼ‬๢ᆩᇀຕጴ߰૗ഗ‫ڦ‬ᄲ൱ă࠲ᇀగዖ߾ፕ ‫ۉ‬უཉॲူ‫ڦ‬๱ంLjᇑ࠼᳘ࢇഗփཞLjएᇀև‫ڦۉݣݴ‬ණ ኤփፁᅜԍኤຕጴ߰૗ഗీሞຕๆ౎‫ڦ‬๑ᆩ೺क़Ҿඇ੗੍ ‫߾ں‬ፕăᆌ‫ܔ‬ኄၵ࿚༶‫ڦ‬ႎՔጚኟሞ዆ۨࡗ‫ײ‬ዐLj‫ڍ‬ሞႎ ՔጚӰքᅜമLjຕጴ߰૗ഗࠃᆌฆՂႷᆩ੗੍‫ڦ‬ຕ਍௜ց ኄၵՔጚLjኧ‫׼‬੗੍Ⴀ‫ٳ‬ຕๆ౎‫׶ڦ‬౷ăኟᅺසُLjएᇀ ਋ḅჱӃਨᇹ֌ଙ‫ڦ‬iCouplerຕጴ߰૗ഗ૧ᆩे໏๱ం֪ ๬Ljԍኤഗॲሞ‫߾ۨܮ‬ፕ‫ۉ‬უူీࠕҾඇ੗੍‫߾ں‬ፕ50౎ ᅜฉă ֖੊࿔၅ 1. DissadoLjL.A.‫ڪ‬ටăĐ‫ۉ‬ഘਨᇹ֌ଙิऄఇ႙ዐ‫ڦ‬ ੣क़‫ࢁۉ‬฿ၳăđĖ IEEE ‫ۉ‬঴ዊᇑਨᇹėă‫ ڼ‬2 ਝ ‫ڼ‬6೺Lj‫ڼ‬1147ᄻ዁1158ᄻLj1995౎12ሆă iCoupler HVE๱ంൽਦᇀแे‫ۉڦ‬უ๟঍ୁ࣏๟኱ୁ‫ۉ‬უă ሞ኱ୁ‫ۉ‬უူLjৢༀ‫ׇࣷ‬ፆኹీଉ‫ڦ‬վጛ/ዘፇࢇ๥‫ݣ‬ăᅺ ُLj኱ୁ๱ంᇺᇺ‫׊‬ᇀ঍ୁ๱ంăiCouplerׂ೗๔ዕኸۨ ፌֶ൧઄ူ‫ڦ‬঍ୁ๱ంă ߾ፕ‫ۉ‬უ‫ڦ‬਩‫(ߵݛ‬rms)ࡀ߭ᄺ੗ీᆅഐဃ঴ă400 V rmsհ ႚํाฉ๟ᅃ߲ሞኟ560 Vᇑ޶560 Vኮक़ൎ࣑‫ڦ‬ኟ၀հႚLj ᅺُ߰૗ቆฉ‫ڦ‬ፌߛ‫ރރ‬ኵ‫ۉ‬უํाฉ๟1120 Vă࿢்ᅙঢ় ඓණLjሞ‫ۉۨܮ‬უྺ400 V rms‫ڦ‬ມटႠհႚူ‫ڦ‬๱ంᇑሞ One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA11229sc-0-12/12 Page 223 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2115 ཚࡗ৛ඓ੗੍‫ڦ‬ና‫ۯ‬ॠ֪ํ၄ए ᇀጒༀ‫ڦ‬ᇨ९Ⴀྼࢺ ፕኁǖBob ScannellLjADIࠅິMEMSࢅ‫ߌد‬ഗरຍևᄽ ခਸ݀ঢ়૙ ాඹ༵ᄲ ༑༪უ‫ߌدۉ‬ഗࢅ๮‫׼‬๕ຕ਍֑ण߾ਏሞᆩᇀएᇀጒༀ‫ڦ‬ ᇨ९Ⴀྼࢺ้٪ሞ‫ڦ‬ᆫ๞ࢅփፁLjཞ้༪ஃߛ੗੍Ⴀඇण ‫ׯ‬๕ና‫ߌدۯ‬ഗ‫ڦ‬ᆫ๞ă ৛௢‫߾ڦ‬ᄽิׂࡗ‫ײ‬ሁઠሁᅈડᇀ‫ۉ‬ऐࢅ၎࠲ऐ ႁยԢߛၳ੗੍Ă๔ዕසᅃ‫ڦ‬ሏፕăऐഗยԢ ‫ڦ‬փೝ࢚Ăඍ။Ă৆ࠦॲ຿‫ࢅۯ‬ഄ໲ᅴ‫׉‬၄ၡ ྫྫࣷገࣅྺና‫ۯ‬Lj‫ڞ‬ዂ৛‫ူ܈‬ইLjժ൐ᆅ݀ Ҿඇ࿚༶ăසࡕዃኮփ૙Lj‫أ‬କႠీࢅҾඇ࿚༶ྔLjැ‫ڞ‬ ዂยԢཕऐႪ૙LjᄺՂ඗ࣷ‫ټ‬ઠิׂ୲໦฿ă ዚ໯ዜኪLjएᇀጒༀ‫ڦ‬ᇨ९Ⴀྼࢺ๟ᅃዖႜኮᆶၳ‫ڦ‬Ն௨ ิׂ୲໦฿‫݆ݛڦ‬Lj‫ڍ‬ኄዖ‫ްڦ݆ݛ‬ሗႠᇑഄॏኵփ၎ฉ ူă၄ᆶ‫݆ݛ‬٪ሞਆ၌ႠLj༬՚๟ภत‫ݴڟ‬ဆና‫ۯ‬ຕ਍(࿮ ஃᅜࢆዖ‫ݛ‬๕इ‫ࢅ)ڥ‬ඓۨဃֶᇸ้ă ၄ᆶຕ਍֑ण‫݆ݛ‬ԈઔҾጎሞऐഗฉ‫ڦ‬०‫ڇ‬უ‫ߌدۉ‬ഗࢅ ๮‫׼‬๕ຕ਍֑ण߾ਏ‫ڪ‬ăኄၵ‫݆ݛ‬٪ሞ‫ܠ‬ዖਆ၌ႠLj༬՚ ๟ᇑ૙ၙ‫ڦ‬ඇ௬ॠ֪ᇑ‫ݴ‬ဆဣཥ঴ਦ‫ݛ‬ӄ၎ԲডLjࢫኁ੗ ᅜഴ෇ऐഗฉईऐഗዐLjժీጲዎ߾ፕăԨ࿔ॽศ෇༪ஃ ኄၵਆ၌Ⴀतഄᇑ૙ၙ঴ਦ‫ݛ‬ӄ‫ܔڦ‬Բă ֪ଉ‫ڦ‬੗ዘްႠ ๮‫׼‬๕ና‫ۯ‬༑ཀྵሞํ၄‫݆ݛ‬ฉਏԢᅃၵᆫ๞LjසփႴᄲ‫ܔ‬ ዕ‫܋‬ยԢፔඪࢆႪ߀Ljܸ൐ഄण‫܈ׯ‬၎‫ܔ‬ডߛLj؅٫ড ‫ٷ‬Lj੗༵ࠃ؊ፁ‫تڦ‬૙ీ૰ࢅ٪‫ئ‬੣क़ă඗ܸLj໲‫ڦ‬ᅃ߲ ዷᄲ၌዆๟֪ଉ‫ڦ‬੗ዘްႠփॅă༑ཀྵ࿋ዃईঙ‫܈‬ฎᆶ߀ ՎLj৽ׂࣷิփᅃዂ‫ڦ‬ና‫ۯ‬೪௬Ljܸٗవᅜ৊ႜ৛ඓ‫้ڦ‬ क़ԲডăᅺُLjྼࢺरຍටᇵ๯ံႴᄲ౬ൣ໯࠵ִ‫ڦڟ‬ና ‫ۯ‬ೋᅎ๟ᆯऐഗాև‫ํڦ‬ाՎࣅ໯ዂLj࣏๟ৈৈᅺྺ֪ଉ रຍ‫ڦ‬Վࣅ໯ዂă૙ၙ൧઄ူLj‫ߌد‬ഗᆌ‫ړ‬঳ࠓ৆ٙժ൐ ؊‫ݴ‬ण‫ׯ‬Ljీࠕ኱থᆦ৳Ⴀ‫ں‬ഴ෇ణՔยԢాևă Page 224 MS-2115 ֪ଉ้क़Ҿಇ ๮‫׼‬๕༑ཀྵ‫ڦ݆ݛ‬ଷᅃ߲ਆ၌Ⴀ๟࿮݆ํ้ኸ‫؜‬ᆶ࿚༶‫ڦ‬ ና‫ۯ‬ೋᅎă‫ܠ‬ຕუ‫ߌدۉ‬ഗཞᄣසُLjഄण‫܈ׯ‬ᅃӯ‫׉ݥ‬ ‫(گ‬గၵ൧઄ူৈᆶᅃ߲‫ߌد‬ഗ)LjႴᄲॽຕ਍‫د‬ໃ‫ڟ‬ഄ໲ ‫ݛں‬৊ႜ‫ݴ‬ဆăኄၵഗॲႴᄲྔև߅ᇨLjᅺُ੗ీࣷ‫ࡗٱ‬ ᅃၵ๚ॲࢅና‫ۯ‬ೋᅎăጲዎ‫ߌد‬ഗ‫ت‬૙ဣཥሶփ඗Lj໲ా ዃ‫ߌد‬ഗĂ‫ݴ‬ဆĂ٪‫ࢅئ‬Ԓয়ࠀీLjཞ้ධ඗ၭ‫ڟ‬ፁᅜഴ ෇ยԢዐLjీࠕሞ‫ڼ‬ᅃ้क़ߢኪና‫ۯ‬ೋᅎLjժ൐ፌॅ‫ں‬၂ ๖एᇀ้क़‫ڦ‬ጒༀ൵๞ă କ঴ຕ਍ മຎഴ෇๕‫ߌد‬ഗ݀‫้ํ؜‬ཚኪ‫ၙࠓڦ‬Ljኻᆶ֑ᆩೕᇘ‫ݴ‬ ဆ֍ీํ၄ăཚ‫׉‬LjඪࢆยԢ‫ۼ‬ᆶ‫ܠ‬ዖና‫ۯ‬ᇸLjසዡ‫׶‬ඍ ။Ăփೝ࢚ࢅ‫୾؃‬ౚࢇ‫ڪ‬Ljُྔ࣏ᆶยऺ‫ټ‬ઠ‫ڦ‬ና‫ۯ‬ᇸLj ૩සፈ੥ऐईუ዆ऐሞኟ‫߾׉‬ፕࡗ‫ײ‬ዐׂิ‫ڦ‬ና‫ۯ‬ăएᇀ ้क़‫ݴڦ‬ဆׂࣷิᅃ߲ጹࢇ໯ᆶኄၵና‫ۯ‬ᇸ‫ްڦ‬ሗհႚLj ሞ৊ႜFFT‫ݴ‬ဆኮമLj໲༵ࠃ‫ڦ‬႑တవᅜՐ՚ă‫ܠ‬ຕუ‫ۉ‬ ‫ߌد‬ഗ঴ਦ‫ݛ‬ӄᅈડྔևFFTऺ໙ࢅ‫ݴ‬ဆăኄփৈ๑‫ํڥ‬ ้ཚኪࡹ࿮੗ీLjܸ൐ॽ‫ٷ‬և‫ྔܮݴ‬ยऺ߾ፕླྀߴକยԢ ਸ݀ටᇵă‫ڍ‬๟Ljසࡕ‫ߌد‬ഗాഴFFT‫ݴ‬ဆࠀీLj৽ీन ้ඓۨና‫ۯ‬ೋᅎ‫ڦ‬ਏ༹ઠᇸăኄᄣᅃዖྜඇण‫ߌدڦׯ‬ഗ ᇮॲ࣏ీ໫‫܌‬ยԢਸ݀ටᇵ6‫ڟ‬12߲ሆ‫ڦ‬ਸ้݀क़Ljᅺྺ ໲ࠀీྜԢĂ०‫ڇ‬ᆶၳĂጲዎ߾ፕă ‫ݡ‬࿚ຕ਍ ഴ෇๕FFT‫ݴ‬ဆ‫ڦ‬മ༵๟ఇె‫ߌد‬ഗຕ਍ᅙঢ়ࡗۙ૙ժገ ࣑ྺຕጴຕ਍Ljᅺُຕ਍‫د‬๼‫ٷٷ‬०ࣅă๚ํฉLjణമ๑ ᆩ‫ܠڦ‬ຕና‫ߌدۯ‬ഗ঴ਦ‫ݛ‬ӄৈ༵ࠃఇె๼‫؜‬Lj‫ڞ‬ዂ႑ࡽ ዊଉሞ‫د‬๼ࡗ‫ײ‬ዐই‫گ‬Lj߸փᆩຫ૗၍ຕ਍‫ݴ‬ဆ‫ްڦ‬ሗႠ (ฉ࿔ᅙ༪ஃ)ă੊୯‫ڟ‬ᄲ൱ና‫॔ۯ‬੦‫ܠڦ‬ຕ߾ᄽยԢྫྫ ٪ሞᇀߛሯำĂሏ‫ۯ‬Ă࿮݆থৎĂฯ዁ླ၃‫ৣ࣍ڦ‬ዐLjᅺ ُᄽহ೨ൎထྭই‫گ‬থ੨၍મ‫ްڦ‬ሗႠLjժ൐ሞᇸ‫܋‬ኴႜ ৑੗ీ‫ڦܠ‬ຕ਍‫ݴ‬ဆ߾ፕLjᅜՍվጛ‫ڟ‬৑੗ీጚඓ‫ڦ‬ยԢ ና‫ۯ‬ጒༀ႑တă ຕ਍ଉ ၄ᆶ‫ڦ‬Ⴙ‫ߌدܠ‬ഗ঴ਦ‫ݛ‬ӄ๟‫ڇ‬ዡუ‫ߌدۉ‬ഗăኄၵ‫ߌد‬ ഗփ༵ࠃ‫ݛ‬ၠ႑တLjᅺܸࣷ၌዆࿢்‫ܔ‬ยԢና‫ۯ‬೪௬‫ڦ‬କ ঴ăඍ݄‫ݛ‬ၠႠ‫ڞ‬ዂႴᄲሯำ‫ߌدڦگ׉ݥ‬ഗLjኄᆼࣷᆖ ၚ‫ׯ‬ԨăෙዡMEMS‫ߌد‬ഗሶփཞLjසࡕ߳ዡ৛௢‫ܔ‬ጚLj ඓۨና‫ۯ‬ᇸ‫ీڦ‬૰ॽ‫ߛ༵ޗٷ‬Ljཞ้ᄺᆶዺᇀই‫ׯگ‬Ԩă ༑֪‫ۅ‬ ඓۨሞన૛‫ݣ‬ዃ‫ߌد‬ഗ‫׉ݥ‬ዘᄲLjഄዷᄲਦۨᅺ໎๟ยԢ ૌ႙Ă࣍ৣࢅยԢ‫ڦ‬๱ంዜ೺ă֑ᆩ၄ᆶ‫ׯߛڦ‬Ԩ‫ߌد‬ഗ ᇮॲ้Lj༑֪‫ۅ‬ৈ၌ᇀब߲ईᅃ߲Ljᅺُ࿋ዃ‫ڦ‬჋ስ၂‫ڥ‬ ߸ेዘᄲăኄࣷ‫ڞ‬ዂമ೺ਸ้݀क़၂ዸჽ‫׊‬LjᅺྺႴᄲཚ ࡗ‫ํްݒ‬ᄓઠඓۨፌॅ࿋ዃă‫ڍ‬ሞ‫ܠٷ‬ຕ൧઄ူLjഄࢫࡕ ๟֑ण‫ڦ‬ຕ਍ଉࢅຕ਍ዊଉࣷ๴‫ڟ‬ᆖၚă႞ሏ‫ڦ‬๟Lj၄ሞ ᅙᆶण‫ׯܸߛ߸܈ׯ‬Ԩ‫ޗٷ‬ই‫ߌدڦگ‬ഗ༑ཀྵ੗ᆩLj௅߲ ဣཥ੗ᅜ‫ݣ‬ዃ‫߲ܠ‬༑ཀྵLjܸٗ໫‫܌‬മ೺ਸ้݀क़ࢅ‫ׯ‬ԨLj ईኁ๑ᆩຕଉ߸ณĂ‫ׯ‬Ԩ߸‫ڦگ‬༑ཀྵ৽ీ஢ፁᄲ൱ă ยԢ๱ంዜ೺Վࣅ ࿮ஃ֑ᆩࢆዖरຍLj‫ߌد‬ഗᇮॲ‫ۼ‬๟࢔ዘᄲ‫੊ڦ‬୯ᅺ໎Lj ‫߸ڍ‬ዘᄲ‫ڦ‬๟‫ߌد‬ഗዜྷ‫ڦ‬႑ࡽۙ૙ࢅ‫ت‬૙‫ۉ‬ୟă႑ࡽۙ ૙ࢅ‫ت‬૙փৈൽਦᇀਏ༹‫ڦ‬ยԢLjܸ൐ൽਦᇀยԢ‫ڦ‬๱ం ዜ೺ăኄሞ‫ߌد‬ഗยऺዐภत‫ܠڟ‬ዖዘᄲ੊୯ᅺ໎ăఇຕ ገ࣑‫ت‬૙ፌࡻ৑ራ৊ႜ(नሞ‫ߌد‬ഗཀྵևLjܸփ๟ሞยԢኮ ྔ)LjᅜՍኧ‫׼‬ဣཥాದዃࢅۙኝă૙ၙ‫ߌدڦ‬ഗᆌ༵ࠃᅃ ߲०‫ڦڇ‬੗Պ‫ײ‬থ੨Ljཚࡗ੺໏ए၍ຕ਍֑णઠ०ࣅยԢ ยዃĂ୳հ֡ፕĂԒয়Պ‫ࢅײ‬փཞ‫ߌد‬ഗ࿋ዃ‫ڦ‬๬ᄓă‫ܔ‬ ᇀ၄ᆶ‫ڦ‬०‫ߌدڇ‬ഗLjन๑໲்੗ᅜሞยԢยዃ้৊ႜದ ዃLj‫ߌدڍ‬ഗยዃධ඗ՂႷፔ‫؜‬ᅃၵဎึLjᅜՍ๢ᆌยԢ ሞኝ߲๱ం೺क़‫ࢺྼڦ‬ዘ‫ڦۅ‬Վࣅă૩සLj‫ߌد‬ഗᆌኍ‫ܔ‬ ยԢࠤቱ੗ీႠডၭ‫ڦ‬ራ೺঩܎৊ႜದዃLj࣏๟ኍ‫ࠤܔ‬ቱ ੗ీႠড‫ٷ‬൐߸ਏླ࡞Ⴀ‫ྟڦ‬೺঩܎৊ႜದዃǛፌࡻ๑ᆩ ੗ሞဣཥాՊ‫ߌدڦײ‬ഗLjᅜՍໜጣ๱ంዜ೺‫ڦ‬Վࣅܸۙ Page 225 ኝದዃă૩සLjራ೺‫॔ڦ‬੦Բডဏ຀Ljࠀࡼፌ‫گ‬Ǘ࠵ִ‫ڟ‬ Վࣅ(য়ߢពኵ)ࢫLjዘႎದዃྺೕ‫॔ݏ‬੦ఇ๕(॔੦ዜ೺ᆯ ᆩࢽยዃ)Ǘ‫أ‬କ૶Ⴤ॔੦ᅜྔLj࣏ߵ਍ᆩࢽยዃ‫ڦ‬Ԓয়ព ኵ༵ࠃዐ܏ൻ‫ڦۯ‬ཚኪă Վࣅࢅ൵๞‫๎ڦ‬՚ മ௬࠲ᇀ‫ߌد‬ഗ๢ᆌยԢ๱ంዜ೺Վࣅ‫ڦ‬༪ஃLjሞᅃۨ‫ײ‬ ‫܈‬ฉൽਦᇀ‫ܔ‬ए၍ยԢၚᆌ‫ڦ‬କ঴ă૧ᆩ०‫ڦڇ‬ఇె‫ߌد‬ ഗ৽ీइ‫ڥ‬ए၍ยԢၚᆌLjनඟ֡ፕටᇵ৊ႜ֪ଉLjኴႜ ૗၍‫ݴ‬ဆLjժॽُຕ਍ᇑ๢‫ڦړ‬Քኾᅃഐ૗၍٪‫ئ‬ሞ༬ۨ ยԢࢅ༑ཀྵ࿋ዃฉă߸ࡻ൐߸փᅟ‫݆ݛڦٱ؜‬๟ॽए၍ FFT٪‫ئ‬ሞ‫ߌد‬ഗཀྵևLjኄᄣຕ਍ᆦᇺփࣷဃ‫ݣ‬ăए၍ຕ ਍࣏ᆶዺᇀඓۨԒয়‫ۉ‬ೝLj޿ኵፌࡻᄺ๟኱থሞ‫ߌد‬ഗฉ Պ‫ײ‬ยዃLjᅜՍሞໜࢫ‫ڦ‬ຕ਍‫ݴ‬ဆࢅ֑णዐLjසࡕॠ֪‫ڟ‬ য়ߢईࠤቱཉॲLj੗ᅜׂิํ้ዐ܏ă ऻ୤ࢅ੗ጕ໓Ⴀ ሞ߾‫ৣ࣍׍‬ዐLjᅃ߲๢ᆩ‫ڦ‬ና‫ݴۯ‬ဆ‫ײ‬Ⴞ੗ీᄲ॔੦ຕๆ ฯ዁ຕӥ߲࿋ዃLj࿮ஃ๟ཚࡗ๮‫׼‬๕༑ཀྵ࣏๟ཚࡗഴ෇๕ ‫ߌد‬ഗăሞᅃ໼ยԢ‫ڦ‬ኝ߲๱ంዜ೺ዐLj੗ీႴᄲइ‫ׯڥ‬ ഥฉྤཉऻ୤ăᇨ९Ⴀྼࢺ‫ײ‬Ⴞ‫ྜڦ‬ኝႠൽਦᇀ‫ߌد‬ഗ֑ ण‫ڦۅ‬࿋ዃࢅ้क़‫ڦ‬๢‫ړ‬ᆙพăྺॽ‫ޅ‬၃ই዁ፌ‫گ‬Ljᅜत इ‫ڥ‬ፌᆶॏኵ‫ڦ‬ຕ਍Lj‫ߌد‬ഗᆌਏᆶྸᅃ‫ڦ‬Ⴞଚࡽࢅഴ෇ ๕٪‫ئ‬ഗLjժ൐ీࠕߴຕ਍ཁे้क़‫م‬ă ੗੍Ⴀ ฉ࿔ዘ‫ۅ‬༪ஃକ၄ᆶኍ‫ܔ‬ᇨ९Ⴀྼࢺ‫ߌدڦ‬ഗና‫॔ۯ‬੦‫ݛ‬ ݆‫߀ڦ‬฀ኮ‫ڢ‬ă඗ܸLjසࡕ‫ߌد‬ഗ݀ิࠤቱ(ႠీՎࣅ)Lj ܸփ๟ยԢ݀ิࠤቱLj޿ሹ஺Ӹ఼ǛईኁLjසࡕ֑ᆩྜඇ ጲዎ߾ፕ‫ߌدڦ‬ഗ(नฉ࿔໯ຎ‫ڦ‬૙ၙ‫)݆ݛ‬Lj࿢்‫ߌدܔ‬ ഗ‫׼‬Ⴤኟ‫߾׉‬ፕీᆶ‫ٷܠ‬႑႐఼Ǜ‫ܔ‬ᇀႹ‫ܠ‬၄ᆶ‫ߌد‬ഗLj සუ‫ߌدۉ‬ഗ‫ڪ‬Ljኄၵ൧઄ඓํࣷሰ‫ׯ‬ჹዘ‫ڦ‬၌዆Ljᅺྺ ०‫ڦڇ‬უ‫ߌدۉ‬ഗ࿮݆༵ࠃဣཥాጲ֪ăໜጣ้क़‫ླྀڦ‬ MS-2115 ᅎLjՂ඗ࣷ‫ܔ‬໯ऻ୤ຕ਍‫ڦ‬ᅃዂႠඍ݄႑႐ăሞยԢ๱ం ྟ೺‫࠲ڦ‬॰॔੦঩܎Ljํ้ࠤቱཚኪሞ้क़Ă‫ׯ‬ԨࢅҾඇ ฉ‫ۼ‬ਏᆶๆ‫ݴ‬ዘᄲ‫ڦ‬ᅪᅭLj‫ߌد‬ഗ๟‫ޏ‬ධ඗ኟ‫߾׉‬ፕՂ඗ ๟࠲ጀ‫ڦ‬ዘ‫ۅ‬ăߛ੗႑‫܈‬ᇨ९Ⴀྼࢺ‫ײ‬Ⴞ‫ڦ‬एԨᄲ൱๟ీ ࠕ‫ߌدܔ‬ഗ৊ႜᇺ‫ײ‬ጲ֪ă႞ሏ‫ڦ‬๟LjᅃၵएᇀMEMS‫ڦ‬ ‫ߌد‬ഗ੗ᅜፔ‫ڟ‬ኄᅃ‫ۅ‬ăഴ෇๕ຕጴጲ֪ీ૰ॽགց੗੍ ና‫॔ۯ‬੦ဣཥ‫ڦ‬ፌࢫ੣ӣă ADIࠅິ‫ڦ‬ADIS16227৽๟ᅃ੼ྜඇጲዎ‫ڦ‬ೕᇘና‫॔ۯ‬੦ ഗLjీࠕ঴ਦฉຎ໯ᆶ࠲॰࿚༶ăADIS16227༵ࠃഴ෇๕ ೕᇘ‫ت‬૙ࢅ512‫ํۅ‬ኵFFTLjೌฉ٪‫ئ‬ഗీࠕ๎՚߳ዖና‫ۯ‬ ᇸժ৊ႜࡃૌLj॔੦ഄໜ้क़‫ڦ‬Վࣅ൧઄Ljժߵ਍੗Պ‫ײ‬ ‫ڦ‬ពኵፔ‫ݒ؜‬ᆌă޿ഗॲ༵ࠃ੗ದዃ‫ڦ‬Ԓয়ೕ܎ࢅ‫ش‬੨჋ ၜLjኧ‫ܔ׼‬ඇೕ೷৊ႜ‫ݴ‬ဆLjժದዃ6߲ೕ܎ĂԒয়1(য়ߢ ពኵ)ࢅԒয়2(ࠤቱពኵ)Ljܸٗ߸ራĂ߸৛ጚ‫݀ں‬၄࿚ ༶ăഄࢃ႐๟ᅃ߲ෙዡ੻‫(੻ټ‬22 kHzၚᆌ)MEMS‫ߌد‬ഗLj ੗ದዃ‫֑ڦ‬ᄣ໏୲(ፌߛ100 kHz)ࢅ਩ኵ/؏ൽ჋ၜኧ‫߸׼‬৛ ඓ‫ں‬ೠࠚဦྲ‫ڦ‬ና‫ۯ‬೪௬Վࣅă޿MEMS‫ߌد‬ഗ༵ࠃຕጴ ጲ֪ఇ๕Ljඟ࿢்‫ܔ‬ഄࠀీࢅຕ਍ྜኝႠ๔ዕԍ‫׼‬႑႐ă ৆ٙ‫ڦ‬15 mm૬‫༹ݛ‬঳ࠓ֑ᆩඇഴ෇๕ยऺLj༵ࠃ؊‫ڦݴ‬ Պ‫ీײ‬૰Ljܸ൐੗ᅜ‫ݣ‬ሞ੍ৎና‫ۯ‬ᇸ‫ݛںڦ‬Ljᅜ੗ዘް‫ڦ‬ ‫ݛ‬๕ൟ຿ॠ֪ྲၭ႑ࡽăኄᄣ৽੗Ն௨֑ᆩ๮‫׼‬๕ยԢ৊ ႜ֪ଉ้Ljᆯᇀ࿋ዃ/᳘ࢇֶᅴ໯‫ڞ‬ዂ‫ْ֪߳ڦ‬ଉຕ਍փᅃ ዂ၄ၡă ໜጣྜඇण‫ׯ‬Ăߛ‫܈‬੗੍Ăጲዎ߾ፕĂ੗ದዃና‫ߌدۯ‬ഗ ‫؜ླྀڦ‬Ljᇨ९Ⴀྼࢺ‫ײ‬Ⴞਸ݀ටᇵዕᇀీࠕӦྃᅜྫና‫ۯ‬ ‫ݴ‬ဆ‫ڦ݆ݛ‬၌዆ࢅփፁLj‫ߛ༵ޗٷ‬ຕ਍֑णࡗ‫ڦײ‬ዊଉࢅ ྜኝႠă૧ᆩኄၵ༵ࠃߛण‫ࢅ܈ׯ‬०ࣅ੗Պ‫ײ‬থ੨‫ڦ‬ႎ႙ ‫ߌد‬ഗLjᅜമኻᆶณຕਏԢຕๆ౎ऐഗና‫ݴۯ‬ဆঢ়ᄓ‫ڦ‬र ຍጆॆ֍ీ॑ᇪ‫ڦ‬ና‫ۯ‬ॠ֪߾ፕLj၄ሞᅃӯरຍටᇵ৽ీ ൟ຿฼ඪă Page 226 MS-2115 ጨᇸ ᇡକ঴߸‫ܠ‬႑တLj൩‫ݡ‬࿚www.analog.com/cnă Ԩ࿔ዐ໯ׂ༵೗ ׂ೗ ௮ຎ ADIS16227 ຕጴෙዡና‫ߌدۯ‬ഗLjण‫ׯ‬FFT‫ݴ‬ဆ ࢅ٪‫ئ‬ဣཥ One Technology Way • P.O. 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T09864sc-0-10/11 Page 227 www.analog.com/cn ©2011 Analog Devices, Inc. ԍା໯ᆶ඄૧ă रຍ࿔ቤ MS-2318 ํ၄߰૗๕ӷൃቆटൻ‫ۯ‬ഗ‫ڦ‬ ยऺए‫إ‬ ߰૗๕ӷൃቆटൻ‫ۯ‬ഗ੗ᆩᇀႹ‫ܠ‬ᆌᆩLjٗᄲ൱ߛࠀ୲௢ ‫ࢅ܈‬ၳ୲‫߰ڦ‬૗๕DC-DC‫ۉ‬ᇸఇ੷Lj‫߰ߛڟ‬૗‫ۉ‬უࢅ‫׊‬೺ ੗੍Ⴀ዁࠲ዘᄲ‫ڦ‬໿ᄞీొՎഗ‫ڪڪ‬LjփᅃܸፁăԨ࿔ॽ ၘဦ‫׃‬ຎኄၵยऺ૙౒Lj༑໭߰૗๕ӷൃቆटൻ‫ۯ‬ഗ঴ਦ ‫ݛ‬ӄሞ༵ࠃߛႠీࢅၭ؅٫‫ݛ‬௬‫ڦ‬ጝሁీ૰ă ߰૗๕ӷൃൻ‫ۯ‬ഗ‫ీࠀڦ‬๟ൻ‫ۯ‬ฉൃՅࢅူൃՅNࠏ‫ڢ‬ MOSFET(ईIGBT)‫ڦ‬ቆटLjཚࡗ‫گ‬๼‫؜‬ፆੇই‫ڞگ‬ཚ໦ ࡼLjཞ้ཚࡗ੺໏ਸ࠲้क़ই‫گ‬ਸ࠲໦ࡼăฉൃՅࢅူൃ Յൻ‫ۯ‬ഗႴᄲߛ‫܈‬೅ದ‫้ڦ‬Ⴞ༬ႠLjᅜํ၄৛ඓߛၳਸ࠲ ֡ፕăኄ३ณକӷൃ࠲܏ࢅਸཚኮक़‫ຶڦ‬൶้क़ăํ၄߰ ૗๕ӷൃቆटൻ‫ۆڦీࠀۯ‬႙‫݆ݛ‬๟๑ᆩ࠼᳘ࢇഗ৊ႜ߰ ૗Ljࢫ߶ߛუቆटൻ‫ۯ‬ഗICLjස཮1໯๖ă޿‫ۉ‬ୟ‫ڦ‬ᅃ߲ യሞ࿚༶๟Ljৈᆶᅃ߲߰૗๼෇ཚ‫ڢ‬Ljܸ൐ᅈડߛუൻ‫ۯ‬ ഗઠ༵ࠃཚ‫ڢ‬क़໯Ⴔ‫้ڦ‬Ⴞ೅ದᅜतᆌᆩ໯Ⴔ‫ຶڦ‬൶ăଷ ᅃ࿚༶๟Ljߛუቆटൻ‫ۯ‬ഗժ࿮‫߰ୁۉ‬૗Ljܸ๟ᅈડ঳߰ ૗ઠ‫ݴ‬૗ཞᅃICዐ‫ڦ‬ฉൃՅൻ‫ۉۯ‬უࢅူൃՅൻ‫ۉۯ‬უă ሞူൃՅਸ࠲๚ॲዐLj‫ۉ‬ୟዐ‫ڦ‬सิ‫ߌۉ‬੗ీ‫ڞ‬ዂ๼‫ۉ؜‬ უVSই዁‫ۉں‬უᅜူă݀ิኄዖ൧઄้LjฉൃՅൻ‫ۯ‬ഗ੗ ీ݀ิឋ໮Ljժᆦ৳Ⴀ໦࣋ă ཮1. ߛუӷൃቆटൻ‫ۯ‬ഗ ࠼᳘ࢇഗቆटൻ‫ۯ‬ഗ ଷᅃዖ‫(݆ݛ‬ස཮2໯๖)૧ᆩଇ߲࠼᳘ࢇഗઠํ၄๼‫؜‬ኮक़ ‫߰ୁۉڦ‬૗LjܸٗՆ௨କฉൃՅ-ူൃՅ঍ࢻፕᆩ‫ڦ‬࿚༶ă ቆटൻ‫ۯ‬ഗ‫ۉ‬ୟྫྫዃᇀᇑ࠼᳘ࢇഗ၎ཞ‫ހڦ‬ጎዐLjፌ‫׉‬ ९‫ڦ‬൧઄๟Ljଇ߲‫܀‬૬‫࠼ڦ‬᳘ࢇഗቆटൻ‫ۯ‬ഗICࠓ‫ྜׯ‬ኝ ‫߰ڦ‬૗๕ӷൃLj঳ࡕ๑঴ਦ‫ݛ‬ӄ؅٫Վ‫ٷ‬ăႴᄲጀᅪ‫ڦ‬๟Lj ࠼᳘ࢇഗ๟ፕྺ‫ݴ‬૬๕ഗॲิׂ‫ڦ‬Ljन๑ଇ߲࠼᳘ࢇഗ‫ހ‬ ጎሞᅃഐᅨ๟සُLjᅺُLj໲்‫ڦ‬ཚ‫ڢ‬क़೅ದ٪ሞ၌዆ă ኄࣷሺे࠲Կᅃ߲ཚ‫ڢ‬ᇑ‫ٶ‬ਸଷᅃ߲ཚ‫ڢ‬ኮक़‫ຶڦ‬൶Ljٗ ܸ‫ڞ‬ዂၳ୲ူইă࠼᳘ࢇഗ‫ڦ‬ၚᆌ໏‫܈‬ཞᄣ๴‫ڟ‬ᇱՉ݀࠼ ܾट࠶(LED)‫ۉ‬ඹ‫ڦ‬၌዆Ljܸ൐ॽ๼‫؜‬ൻ‫ۯ‬዁ߛ‫ٳ‬1 MHz‫ڦ‬ ໏‫܈‬ᄺࣷ๴‫ڟ‬ഄ‫د‬խჽ‫(׿‬ፌ‫ٷ‬ኵྺ500 ns)ᅜतড஥‫ڦ‬ฉื ࢅူই้क़(ፌ‫ٷ‬ኵྺ100 ns)‫ڦ‬၌዆ăᄲ๑࠼᳘ࢇഗ‫ڟٳ‬ፌ ߛ໏‫܈‬LjႴᄲॽLED‫ୁۉ‬ሺे዁10 mAᅜฉLjኄࣷၩࡼ߸‫ܠ‬ ࠀ୲Lj໫‫࠼܌‬᳘ࢇഗ‫ڦ‬๱ంժই‫گ‬ഄ੗੍ႠLjᆮഄ๟ሞ໿ ᄞీొՎഗࢅ‫ۉ‬ᇸᆌᆩዐ‫׉‬९‫ߛڦ‬࿒࣍ৣူă Page 228 MS-2318 ཮2. ࠼᳘ࢇഗӷൃቆटൻ‫ۯ‬ഗ ஞ؋Վუഗቆटൻ‫ۯ‬ഗ থူઠLj࿢்ॽ༑༪‫߰ୁۉ‬૗ഗLjᆯᇀ໲்ਏᆶ߸‫دڦگ‬ խჽ‫׿‬Ă߸৛ඓ‫้ڦ‬ႾLjᅺُ໏‫܈‬Բ࠼᳘ࢇഗ߸ߛăஞ؋ Վუഗ๟ᅃዖ߰૗ՎუഗLjഄ߾ፕ໏‫܈‬੗ᅜ‫ڟٳ‬ӷൃቆट ൻ‫ۯ‬ഗᆌᆩཚ‫׉‬໯Ⴔ‫ڦ‬຤ೝ(ፌߛ1 MHz)ăቆटൻ‫ۯ‬ഗIC੗ ᆩᇀ༵ࠃඹႠMOSFETቆट؊‫ۉ‬໯Ⴔ‫ୁۉߛڦ‬ă཮3ዐ‫ڦ‬ቆ टൻ‫ۯ‬ഗᅜֶ‫ݛݴ‬๕ൻ‫ۯ‬ஞ؋Վუഗ‫ڦ‬ᇱՉLj޿Վუഗޭ Չᆶଇ߲ජፇLjᆩᇀൻ‫ۯ‬ӷൃ‫߲߳ڦ‬ቆटă๑ᆩஞ؋Վუ ഗ‫ڦ‬ᅃ߲ᆫ๞๟Lj໲փႴᄲᆩ߰૗‫ۉ‬ᇸઠൻ‫ޭۯ‬Չ MOSFETă‫ߌړ‬ᆌ၍ංዐᆶড‫ڦٷ‬ຨༀቆटൻ‫ࡗୁୁۉۯ‬ ้(ࣷ‫ڞ‬ዂናଯ)Ljኄዖᆌᆩ৽੗ీ‫؜‬၄࿚༶ă໲ᆶ੗ీ๑ ቆटփࢇႴᄲ‫ں‬ਸഔࢅ࠲ԿLjܸٗ໦࣋MOSFETăஞ؋Վ უഗ‫ڦ‬ଷᅃ߲ਆ၌ሞᇀLj໲்ሞᄲ൱႑ࡽ቞੣Բሞ50%ᅜ ฉ‫ڦ‬ᆌᆩዐ੗ీ՗၄փॅăኄ๟ᆯᇀՎუഗኻీ༵ࠃ঍ୁ ႑ࡽLjᅺྺཎႊ‫ى‬ཚଉՂႷ௅ӷ߲ዜ೺ް࿋ᅃْᅜྼ‫ޚ׼‬ ௱ೝ࢚ăፌࢫLjஞ؋Վუഗ‫ىڦ‬ႊࢅ߰૗๕ජፇႴᄲ၎‫ܔ‬ ড‫ހڦٷ‬ጎăምेฉൻ‫ۯ‬ഗICࢅഄ໱‫ݴ‬૬๕ᇮॲLjፌዕॺ ૬‫ڦ‬঴ਦ‫ݛ‬ӄ੗ీ؅٫ࡗ‫ٷ‬Lj࿮݆๢ᆌႹ‫ߛܠ‬௢‫܈‬ᆌᆩă ཮3. ஞ؋Վუഗӷൃቆटൻ‫ۯ‬ഗ ຕጴ߰૗ഗቆटൻ‫ۯ‬ഗ ၄ሞLj࿢்ઠੂੂᅜຕጴ߰૗ഗઠํ၄߰૗๕ӷൃቆटൻ ‫ۯ‬ഗ‫݆ݛڦ‬ăሞ཮4ዐLjຕጴ߰૗ഗ๑ᆩՔጚCMOSण‫ۉׯ‬ ୟ߾ᅝLjᅜূຌ֫ႚ‫ׯ‬Վუഗ၍ංLjժᅜ਋ḅჱӃਨᇹ֌ ଙઠ‫ݴ‬૗၍ංăኄዖፇࢇ੗ᅜํ၄5 kV rmsᅜฉ(1‫ݴ‬ዓ‫ۨܮ‬ ኵ)‫߰ڦ‬૗ీ૰Lj੗ᆩᇀሺഽ႙߰૗‫ۉ‬ᇸࢅొՎഗᆌᆩă ཮4. ֑ᆩՎუഗ߰૗‫ڦ‬ຕጴ߰૗ഗ Page 229 MS-2318 ‫ۯ‬ഗኟ๟ኄᄣፔ‫ڦׯ‬ă޿ೡԸ੗ᅜ༵ߛࠌఇຨՎੇඡ‫܈‬ (CMTI)LjٗՔጚ࠼᳘ࢇഗփ‫ڟ‬10 kV/μs‫ۨܮڦ‬ኵ༵ื዁࠼᳘ ࢇഗቆटൻ‫ۯ‬ഗ‫ڦ‬25 kV/μsă໚඗25 kV/μs CMTI‫ܔ‬Ⴙ‫ܠ‬ቆट ൻ‫ۯ‬ഗᆌᆩ๟ፁࠕ‫ڦ‬Lj‫ڍ‬๟‫ܔ‬ᇀຨՎ‫ۉ‬უড‫ۉڦٷ‬ᇸᅜत ໿ᄞీొՎഗᆌᆩઠຫLj੗ీႴᄲ50 kV/μsई߸‫ڦٷ‬CMTIă ཮5. ຕጴ߰૗ഗ4 Aቆटൻ‫ۯ‬ഗ ස཮5ዐ‫ۉ‬ୟ໯๖Ljຕጴ߰૗ഗၩ‫أ‬କ࠼᳘ࢇഗዐ๑ᆩ‫ڦ‬ LEDᅜतᇑኮ၎࠲‫ࣅ઻ڦ‬࿚༶Ljܸ൐ࠀࡼ߸‫گ‬Ă੗੍Ⴀ߸ ߛă๼෇ᇑ๼‫؜‬ᅜत๼‫؜‬ᇑ๼‫؜‬ኮक़༵ࠃ‫߰ୁۉ‬૗Ljᅜၩ ‫أ‬ฉൃՅ-ူൃՅ‫ڦ‬঍ࢻፕᆩă๼‫؜‬ൻ‫ۯ‬ഗཚࡗ‫گ‬๼‫؜‬ፆੇ ই‫ڞگ‬ཚ໦ࡼLjཞ้ཚࡗ੺໏ਸ࠲้क़ই‫گ‬ਸ࠲໦ࡼăᇑ ࠼᳘ࢇഗยऺփཞLjฉൃՅࢅူൃՅຕጴ߰૗ഗ๟๼‫؜‬೅ ದ႙ण‫ۉׯ‬ୟLjਏᆶ߸ߛ‫ڦ‬ၳ୲ăߛუቆटൻ‫ۯ‬ഗण‫ۉׯ‬ ୟ(཮1)ࣷሺे‫ۉ‬ೝገ࣑‫ۉ‬ୟዐ‫دڦ‬խჽ‫׿‬Ljᅺܸփీၟຕ ጴ߰૗ഗᅃᄣํ၄ཚ‫ڢ‬क़้Ⴞ༬Ⴀ‫ڦ‬೅ದăሞຕጴ߰૗ഗ ዐण‫ׯ‬ቆटൻ‫ۯ‬ഗLj੗๑঴ਦ‫ݛ‬ӄ‫ڦ‬؅٫ই዁‫ހڇ‬ጎपLj ܸٗ‫ޗٷ‬३ၭ঴ਦ‫ݛ‬ӄ؅٫ă ࠌఇຨՎੇඡ‫܈‬ ሞኍ‫ߛܔ‬უ‫ۉ‬ᇸ‫ڦ‬Ⴙ‫ܠ‬ӷൃቆटൻ‫ۯ‬ഗᆌᆩዐLjਸ࠲ᇮॲ ዐ੗ీ݀ิट੺‫ڦ‬ຨՎăሞኄၵᆌᆩዐLjසࡕড‫ڦٷ‬ dV/dt੗ీሞ߰૗ቆฉ݀ิඹႠ᳘ࢇLjሶᆶ੗ీሞ߰૗ቆ ฉ‫ڞ‬ዂஇडຨՎ‫ٱ‬ဃăሞ߰૗๕ӷൃൻ‫ۯ‬ഗᆌᆩዐLjኄዖ ൧઄੗ీሞ঍֮‫ײࡗڞد‬ዐཞ้‫ٶ‬ਸଇ߲ਸ࠲Ljᅺܸ੗ీ ໦࣋ਸ࠲ă߰૗ቆฉ‫ڦ‬ඪࢆसิ‫ۉ‬ඹ‫ۼ‬੗ీ‫ࠌྺׯ‬ఇຨՎ ‫ڦ‬᳘ࢇୟ০ă࠼᳘ࢇഗႴᄲᅜ௺ߌ‫܈‬टߛ‫ڦ‬থ๭ഗઠॠ֪ ߰૗ቆฉ‫ڦڿد‬ณଉ࠼Ljܸ൐ড‫ࠌڦٷ‬ఇຨՎ੗ీඡ୺ഄ ๼‫؜‬ă੗ᅜሞLEDᇑথ๭ഗኮक़ཁेᅃ߲ೡԸLjᅜ߀฀࠼ ᳘ࢇഗ‫ࠌܔ‬ఇຨՎ‫ۉ‬უ‫܈ߌ௺ڦ‬Lj‫ܠٷ‬ຕ࠼᳘ࢇഗቆटൻ ཮6. एᇀ‫ۉ‬ඹ‫ڦ‬ຕጴ߰૗ഗ(CMTI <10 kV/μs) ຕጴ߰૗ഗ੗ᅜၠഄথ๭ഗ༵ࠃ߸ߛ‫ڦ‬႑ࡽ‫ۉ‬ೝLjժీ‫׶‬ ๴टߛ‫ࠌڦ‬ఇຨՎܸփࣷ‫ڞ‬ዂຕ਍‫ٱ‬ဃăएᇀՎუഗ‫߰ڦ‬ ૗ഗ๟຺‫܋‬ഗॲLj੗‫ܔ‬႑ࡽ༵ࠃ‫ݴֶگ‬ፆੇLj‫ܔ‬ሯำ༵ࠃ ߛࠌఇፆੇLjܸٗํ၄ᆫႯ‫ڦ‬CMTIăഄ໲ຕጴ߰૗ഗ੗ ీ๑ᆩඹႠ᳘ࢇઠׂิՎࣅ‫ׇۉڦ‬Ljํ၄ੵሁ߰૗ቆ‫ڦ‬ຕ ਍‫د‬๼ăᇑएᇀՎუഗ‫߰ڦ‬૗ഗփཞLjएᇀ‫ۉ‬ඹ‫߰ڦ‬૗ഗ ๟ມ‫܋‬ഗॲLjሯำࢅ႑ࡽࠌᆩཞᅃ‫د‬๼ୟ০ă‫ܔ‬ᇀມ‫܋‬ഗ ॲLj႑ࡽೕ୲Ⴔᄲᇺߛᇀᇨ೺‫ڦ‬ሯำೕ୲LjᅜՍ߰૗ቆ‫ۉ‬ ඹ‫ܔ‬႑ࡽ༵ࠃ‫گ‬ፆੇLjܸ‫ܔ‬ሯำ༵ࠃߛፆੇă‫ࠌړ‬ఇሯำ ‫ۉ‬ೝ‫ڟٷ‬ፁᅜჷு႑ࡽ้Ljሶ੗ీඡ୺߰૗ഗ๼‫ڦ܋؜‬ຕ ਍ă཮6໯๖ྺएᇀ‫ۉ‬ඹ‫߰ڦ‬૗ഗዐ݀ิຕ਍ඡ୺๖૩Lj ഄዐLj๼‫؜‬႑ࡽ(ཚ‫ڢ‬4)ሞৈ10 kV/μs‫ࠌڦ‬ఇຨՎࡗ‫ײ‬ዐူই କ6 nsLjሰ‫ׯ‬றِăጀᅪLj཮ዐຕ਍๟ሞएᇀ‫ۉ‬ඹ‫߰ڦ‬૗ഗ ‫ڦ‬ඡ୺ពኵူ֑ण‫ڦ‬ǗසࡕຨՎড‫ٷ‬Ljඡ୺੗ీ‫׼‬Ⴤ߸‫׊‬ ้क़Ljܸٗ๑MOSFETਸ࠲Վ‫ڥ‬փ࿘ۨă၎ԲኮူLjएᇀ Վუഗ‫ڦ‬ຕጴ߰૗ഗీࠕ‫׶‬๴‫ࡗג‬100 kV/μs‫ࠌڦ‬ఇຨՎLjܸ ๼‫܋؜‬փࣷ‫؜‬၄ຕ਍ඡ୺࿚༶(९཮7)ă Page 230 MS-2318 ጺܸჾኮLj‫ܔ‬ᇀ߰૗๕ӷൃቆटൻ‫ۯ‬ഗᆌᆩLj๚ํ՗௽Lj ၎‫ܔ‬ᇀएᇀ࠼᳘ࢇഗࢅஞ؋Վუഗ‫ڦ‬ยऺLjएᇀՎუഗ‫ڦ‬ ຕጴ߰૗ഗਏᆶዚ‫ܠ‬ᆫ๞ăཚࡗण‫ׯ‬ट‫ٷ‬ই‫گ‬କ঴ਦ‫ݛ‬ӄ ؅٫ࢅยऺްሗ‫܈‬Lj้ႾႠీ‫߀ٷٷ‬฀ăཚࡗ‫߰ୁۉ‬૗๼ ‫؜‬ൻ‫ۯ‬ഗࢅ߸ߛ‫ڦ‬CMTI৊ᅃօ༵ߛକ୛ԀႠă ֖੊࿔၅ रຍ࿔ቤ“ࠌఇຨՎੇඡ‫”܈‬LjChris Coughlin(ADIࠅິ) ཮7. एᇀՎუഗ‫ڦ‬ຕጴ߰૗ഗADuM140x(CMTIྺ100 kV/μs) One Technology Way t P.O. 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TA10756sc-0-5/12 Page 231 www.analog.com/cn ©2012 Analog Devices, Inc. ԍା໯ᆶ඄૧ă . ԍࢺRS-485ཚ႑ྪஏփ๴ᆶ࡞ EMC๚ॲᆖၚ ፕኁǖJames ScanlonLjADIࠅິߛपೠࠚ߾‫ײ‬฾Ǘ Koenraad RutgersLjBourns, Inc.ߛप၄‫ׇ‬ᆌᆩ߾‫ײ‬฾ ాඹ༵ᄲ ሞํा߾ᄽࢅᅏഗᅏ՗(I&I*ᆌᆩዐLjRS-485থ੨૾ୟ Ⴔᄲሞܱଝ‫߾ူৣ࣍ىۉ‬ፕăૃऍĂৢ‫ࢅۉݣۉ‬ഄ໱ ‫ىۉ‬၄ၡᆅഐ‫ٷڦ‬ຨՎ‫ۉ‬უ੗ీ໦࣋ཚ႑‫܋‬੨ăྺକ ඓԍኄၵຕ਍‫܋‬੨ీࠕሞፌዕҾጎ࣍ৣዐኟ‫߾׉‬ፕLj ໲்ՂႷ‫ࢇޙ‬గၵ‫ىۉ‬ग़ඹႠ(EMC*݆ࡀă ኄၵᄲ൱Ԉઔෙ߲ዷᄲຨՎੇඡ‫܈‬Քጚǖৢ‫ۉݣۉ‬Ă ‫੺ۉ‬໏ຨՎࢅ‫ۉ‬ᆥă Ⴙ‫ܠ‬EMC࿚༶ժփ०‫ڇ‬ई௽၂LjᅺُՂႷሞׂิยऺ ਸ๔้ᇎᅜ੊୯ăසࡕӝኄၵ࿚༶ା‫ڟ‬ยऺዜ೺ࢫ೺ ඁ঴ਦLj੗ీ‫ڞ‬ዂ߾‫ײ‬ᇨ໙ࢅऺࣄ‫ג‬၌ă Ԩ࿔঻ถ߳ዷᄲຨՎૌ႙Ljժኍ‫ܔ‬RS-485ཚ႑‫܋‬੨‫ڦ‬ෙ ዖփཞ‫ׯ‬Ԩ/ԍࢺप՚Lj༵‫؜‬ժᄇ๖ෙዖփཞ‫ڦ‬EMCग़ ඹ঴ਦ‫ݛ‬ӄă ADIࠅິࢅBourns, Inc.ၻ๮ࢇፕLjࠌཞਸ݀କᄽহ๯߲ EMCग़ඹRS-485থ੨ยऺ߾ਏLj༵ࠃኍ‫ܔ‬IEC61000-4-2 ESDĂIEC61000-4-4 EFTࢅIEC61000-4-5‫ۉ‬ᆥ‫຺ڦ‬पԍ ࢺLjܸٗકቛ௬ၠဣཥ‫ڦ‬঴ਦ‫ݛ‬ӄፇࢇă໲ߵ਍໯Ⴔԍ ࢺप՚ࢅ੗ᆩᇨ໙ྺยऺටᇵ༵ࠃ၎ᆌ‫ڦ‬ยऺ჋ၜă঺ ዺኄၵยऺ߾ਏLjยऺටᇵ੗ሞยऺዜ೺ኮ‫੊؛‬୯ EMC࿚༶Ljܸٗই‫޿گ‬࿚༶‫ڞ‬ዂ‫ڦ‬ၜణჽဃ‫ޅ‬၃ă रຍ࿔ቤ MS-2443 RS-485Քጚ ߾ᄽᇑᅏഗᅏ՗(I&I*ᆌᆩ‫׉׉‬Ⴔᄲሞਐ૗࢔ᇺ‫߲ܠڦ‬ဣ ཥኮक़‫د‬๼ຕ਍ăRS-485‫ۉ‬ഘՔጚ๟‫ڦ‬I&Iᆌᆩዐ๑ᆩ ፌ࠽‫ڦݘ‬࿿૙֫ࡀ‫ݔ‬ኮᅃLjI&IᆌᆩԈઔǖ߾ᄽጲ‫ۯ‬ ࣅĂࡗ‫ײ‬੦዆Ă‫ۉ‬ऐ੦዆ࢅሏ‫ۯ‬੦዆Ăᇺ‫ײ‬ዕ‫܋‬Ă୍ᇔ ጲ‫)ࣅۯ‬౱ཚ੣ۙHVAC‫*ڪ‬ĂҾԍဣཥࢅምิీᇸ‫ڪ‬ă ๑RS-485‫ྺׯ‬I&Iཚ႑ᆌᆩ૙ၙኮ჋‫ڦ‬ᅃၵ࠲॰༬Ⴀ සူǖ x ‫׊‬ਐ૗૾ୟ——ፌ‫׊‬4000ᆈ؅ x ੗ሞᅃ‫ܔ‬জ၍‫ۉ‬મฉມၠཚ႑ x ֶ‫دݴ‬๼੗༵ߛࠌఇሯำੇඡ‫܈‬Lj३ณሯำ‫ޖ‬พ x ੗ॽ‫߲ܠ‬ൻ‫ۯ‬ഗࢅথ๭ഗ૶থ዁ཞᅃጺ၍ x ੻ࠌఇ‫–(ྷݔ‬7 V዁+12 V*ሎႹൻ‫ۯ‬ഗᇑথ๭ഗኮक़ ٪ሞ‫ۉں‬࿋ֶᅴ x TIA/EIA-485-AሎႹຕ਍໏୲‫ڟٳ‬ຕๆMbps TIA/EIA-485-A௮ຎRS-485থ੨‫ڦ‬࿿૙֫Ljཚ‫׉‬ᇑProfibusĂInterbusĂModbusईBACnet‫֫ߛ߸ڪ‬ၹᅱದࢇ๑ ᆩLjీࠕሞ၎‫ܔ‬ড‫ڦ׊‬ਐ૗ాํ၄࿘ۨ‫ڦ‬ຕ਍‫د‬๼ă ‫ڍ‬ሞํाᆌᆩዐLjૃऍĂࠀ୲ߌᆌĂ኱থথ‫ة‬Ă‫ۉ‬ᇸհ ‫ۯ‬Ăߌᆌਸ࠲ࢅৢ‫ۉݣۉ‬੗ీׂิড‫ٷ‬ຨՎ‫ۉ‬უLj‫ܔ‬ RS-485๭݀ഗሰ‫ׯ‬໦࡞ăยऺටᇵՂႷඓԍยԢփৈీ ሞ૙ၙཉॲူ߾ፕLjܸ൐ీࠕሞํा੗ీᇜ‫ܱڦڟ‬ଝ࣍ ৣူኟ‫߾׉‬ፕăྺକඓԍኄၵยऺీࠕሞ‫ۉ‬ഘཉॲܱଝ ‫߾ူৣ࣍ڦ‬ፕLj߲߳አުऐࠓࢅ॔࠶ऐࠓํแକEMC ݆ࡀăසࡕยऺ‫ࢇޙ‬ኄၵ݆ࡀLj੗ᅜඟፌዕᆩࢽඓ႑໲ ்ሞܱଝ࣍ৣူᄺీኟ‫߾׉‬ፕă Page 232 MS-2443 ‫ىۉ‬ग़ඹႠ ‫ৣ࣍ىۉ‬ᆯ‫ޖ‬พࢅ‫ڞد‬ଇዖీଉፇ‫ׯ‬LjᅺُEMCԈઔ ଇ߲‫ݛ‬௬ǖ݀พࢅఱ๴ႠăEMC๟ኸ‫ۉ‬ഘဣཥሞణՔ ‫ူৣ࣍ىۉ‬ԍ‫׼‬ଆࡻႠీ൐փࣷၠ޿࣍ৣᆅ෇‫ٷ‬ଉ‫ىۉ‬ ߅ඡ‫ీڦ‬૰ăԨ࿔༪ஃසࢆ༵ߛRS-485‫܋‬੨‫ڦ‬EMCఱ๴ Ⴀᅜ‫ݔݞ‬ෙዖዷᄲEMCຨՎă ࡔा‫߾ۉ‬྿ᇵࣷ(IEC*๟ዂ૰ᇀ዆ۨࢅ݀ք໯ᆶ‫ۉ‬ഘĂ ‫ۉ‬ጱࢅ၎࠲रຍࡔाՔጚ‫ڦ‬ඇ൰ଶံፇኯăጲ1996౎ᅜ ઠLjၠ౹௑‫؜‬๳ईሞ౹௑‫؜ాྷݔ‬๳‫ڦ‬໯ᆶ‫ۉ‬ጱยԢ‫ۼ‬ ՂႷ‫ݔࡀڟٳ‬IEC61000-4-xۨᅭ‫ڦ‬EMCप՚ă IEC61000ࡀ‫ۨݔ‬ᅭକᅃፇEMCఱ๴ᄲ൱Lj๢ᆩᇀሞዿ ቎Ăฆᄽࢅൟ߾ᄽ࣍ৣዐ๑ᆩ‫ۉڦ‬ഘࢅ‫ۉ‬ጱยԢăኄፇ ࡀ‫ݔ‬Ԉઔᅜူෙૌߛ‫ۉ‬უຨՎLj‫ۉ‬ጱยऺටᇵՂႷඓԍ ຕ਍ཚ႑၍ୟփ๴໲்໦࡞ǖ x IEC 61000-4-2ৢ‫(ۉݣۉ‬ESD) x IEC 61000-4-4‫੺ۉ‬໏ຨՎ(EFT) x IEC 61000-4-5‫ۉ‬ᆥఱ๴Ⴀ ໯ᆶኄၵࡀ‫ۨۼݔ‬ᅭକ֪๬‫݆ݛ‬Ljᆩᅜೠࠚ‫ۉ‬ጱࢅ‫ۉ‬ഘ ยԢ‫ܔ‬ኸۨ၄ၡ‫ڦ‬ఱ๴Ⴀăူ௬߁ᄲຫ௽߳ዖ֪๬ă ৢ‫ۉݣۉ‬ ESD๟ኸৢ‫ࢁۉ‬ሞփཞ‫ۉ‬࿋‫༹ํڦ‬ኮक़‫཭ڦ‬඗‫د‬๼Ljᆯ ੍ৎথ‫ة‬ई‫ߌׇۉ‬ᆌᆅഐăഄ༬ኙ๟ሞ‫้܌‬क़ాׂิߛ ‫ୁۉ‬ăIEC61000-4-2֪๬‫ڦ‬ዷᄲణ‫ڦ‬๟ඓۨဣཥሞ߾ፕ ዐ‫ྔܔ‬ևESD๚ॲ‫ੇڦ‬ඡ‫܈‬ăIEC61000-4-2௮ຎକଇዖ ᳘ࢇ֪๬‫݆ݛ‬Ljन໯࿍থ‫ࢅۉݣة‬ഘဤ‫ۉݣ‬ăথ‫ۉݣة‬ ᄲ൱‫ۉݣ‬ഷᇑ๴֪‫ڇ‬ᇮ኱থথ‫ة‬ăሞഘဤ‫֪ۉݣ‬๬೺ क़Lj‫ۉݣ‬ഷ‫ڦ‬؊‫ۉۉ‬ट‫ו‬ၠ๴֪‫ڇ‬ᇮᅎ‫ۯ‬Lj኱‫ڟ‬ഘဤฉ ݀ิ‫ۉݣࢷۉ‬ă‫ۉݣ‬ഷփᇑ๴֪‫ڇ‬ᇮ኱থথ‫ة‬ăഘဤ֪ ๬‫ڦ‬঳ࡕࢅ੗ዘްႠࣷ๴‫ܠڟ‬ዖᅺ໎‫ڦ‬ᆖၚLjԈઔโ ‫܈‬Ă࿒‫܈‬ĂഘუĂਐ૗ࢅ‫ۉݣ‬ഷ԰ৎ๴֪‫ڇ‬ᇮ‫ڦ‬໏୲ă ኄዖ‫ݒںࡻ߸ࠕీ݆ݛ‬ᆙํाESD๚ॲLj‫ڍ‬੗ዘްႠড ֶăᅺُLjথ‫ۉݣة‬๟๯჋֪๬‫݆ݛ‬ă ֪๬೺क़Ljຕ਍‫܋‬੨Ⴗঢ়๴዁ณ10ْኟट‫ࢅۉݣ‬10ْ޶ ट‫ۉݣ‬Ljஞ؋ኮक़क़߰1௱ă֪๬‫ۉ‬უ‫ڦ‬჋ስൽਦᇀဣ ཥ‫ৣ࣍܋‬ăࡀۨ‫ڦ‬ፌߛ֪๬ྺ4पLjᄲ൱থ‫ۉۉݣة‬უྺ ±8 kVLjഘဤ‫ۉ‬უྺ±15 kVă ཮1၂๖କࡀ‫ݔ‬໯ຎ‫ڦ‬8 kVথ‫ୁۉۉݣة‬հႚăᅃၵ࠲॰ հႚ֖ຕԈઔၭᇀ1 ns‫ڦ‬ฉื้क़ࢅ‫ٷ‬ሀ60 ns‫ڦ‬ஞ؋ ੻‫܈‬ăኄຫ௽ஞ؋ጺీଉሀྺຕๆmJă ཮1. IEC61000-4-2 ESDհႚ(8 kV) ‫੺ۉ‬໏ຨՎ ‫੺ۉ‬໏ຨՎ֪๬ᄲ൱ॽຕ߲ट‫੺܋‬໏‫ڦ‬ຨՎஞ؋᳘ࢇ‫ڟ‬ ႑ࡽ၍ฉLjᅜ‫پ‬՗ඹႠ᳘ࢇ‫ڟ‬ཚ႑‫܋‬੨‫ྔڦ‬ևਸ࠲‫ۉ‬ୟ ‫ڦ‬ຨༀ߅ඡLjኄዖ߅ඡ੗ీԈઔी‫ۉ‬ഗࢅਸ࠲‫ۅة‬۶ ‫ۯ‬Ljᅜतൎ࣑ߌႠईඹႠ޶ሜᆅഐ‫ڦ‬ຨՎLj໯ᆶኄၵሞ ߾ᄽ࣍ৣዐ‫׉׉ݥ‬९ăIEC61000-4-4ۨᅭ‫ڦ‬EFT֪๬๬ ཮ఇెُૌ๚ॲሰ‫߅ڦׯ‬ඡă ཮2၂๖EFT 50 Ω޶ሜհႚăEFTհႚᆩਏᆶ50 Ω๼‫؜‬ፆ ੇ‫ิ݀ڦ‬ഗሞ50 Ωፆੇฉׂิ‫ۉڦ‬უઠ௮ຎă๼‫؜‬հႚ ᆯ15 ms‫ڦ‬2.5 kHz዁5 kHz཭݀ߛუຨՎஞ؋ፇ‫ׯ‬Ljᅜ 300 msक़߰ዘްă௅߲ஞ؋ਏᆶ5 ns‫ڦ‬ฉื้क़ࢅ50 ns ‫׼ڦ‬Ⴤ้क़Ljሞհႚ‫ڦ‬ฉืࢅူইᄂ‫ڦ‬50%‫ۅ‬ኮक़֪ ଉă‫߲ڇ‬EFTஞ؋‫ڦ‬ጺీଉᇑESDஞ؋၎ຼă‫߲ڇ‬ஞ؋ ‫ڦ‬ጺీଉ‫ۆ‬႙ኵྺ4 mJăแेᇀຕ਍‫܋‬੨‫ۉڦ‬უ੗ᅜߛ ‫ٳ‬2 kVă Page 233 MS-2443 ཮2. IEC61000-4-4 EFT 50 Ω޶ሜհႚ ኄၵ੺໏཭݀ຨՎཚࡗඹႠᶏ࿋ഗ᳘ࢇ‫ڟ‬ཚ႑၍ୟă հႚۨᅭྺਸୟ‫ۉ‬უࢅ‫܌‬ୟ‫ူୁۉ‬հႚ݀ิഗ‫ڦ‬๼‫؜‬ă EFTཚࡗᶏ࿋ഗඹႠ᳘ࢇ‫ڟ‬ཚ႑၍ୟLjܸփ๟኱থথ ‫ة‬ăኄཞᄣই‫گ‬କEFT݀ิഗ‫گڦ‬๼‫؜‬ፆੇ໯ᆅഐ‫޶ڦ‬ ሜăᶏ࿋ഗࢅ‫ۉ‬મኮक़‫ڦ‬᳘ࢇ‫ۉ‬ඹൽਦᇀ‫ۉ‬મ኱০Ăೡ Քጚ௮ຎକଇዖհႚă10/700ፇࢇհႚᆩᇀ֪๬૶থई ‫׬ܔ‬ཚ႑၍ୟ໯ᆩ‫܋ڦ‬੨Lj૩ස‫ࣆۉ‬঍࣑၍ă1.2/50ፇ ࢇհႚ݀ิഗᆩᇀ໯ᆶഄ໱൧઄Lj༬՚๟‫܌‬ਐ૗႑ࡽ૶ Ըࢅਨᇹă থăRS-485‫܋‬੨ዷᄲ๑ᆩ1.2/50հႚLjԨև‫ॽݴ‬ᇎᅜຫ ‫ۉ‬ᆥຨՎ ‫ۉ‬ᆥຨՎᆯਸ࠲ईૃ‫ۉ‬ຨՎׂิ‫ࡗڦ‬უᆅഐăਸ࠲ຨՎ ௽ăհႚ݀ิഗ‫ڦ‬ᆶၳ๼‫؜‬ፆੇྺ2 ΩLjᅺُ‫ۉ‬ᆥຨՎ ၎࠲‫ߛ׉ݥୁۉڦ‬ă ‫ڦ‬ᇱᅺ੗ᅜ๟‫ۉ‬ᇸဣཥൎ࣑Ă‫ۉ‬ᇸ‫ݴ‬ದဣཥ‫޶ڦ‬ሜՎࣅ ई‫܌‬ୟ‫߳ڪ‬ዖဣཥࠤቱăૃ‫ۉ‬ຨՎ‫ڦ‬ᇱᅺ੗ᅜ๟޹ৎ‫ڦ‬ ૃऍॽߛ‫ۉࢅୁۉ‬უጀ෇‫ۉ‬ୟዐăIEC61000-4-5ۨᅭକ ᆩᇀೠࠚ‫ܔ‬ኄၵ೦࣋Ⴀ‫ۉ‬ᆥ‫ੇڦ‬ඡ‫ڦ܈‬հႚĂ֪๬‫݆ݛ‬ ࢅ֪๬प՚ă Page 234 MS-2443 ཮3၂๖1.2/50‫ۉ‬ᆥຨՎհႚăESDࢅEFTਏᆶ၎ຼ‫ڦ‬ฉ ื้क़Ăஞ؋੻‫ీࢅ܈‬ଉ຤ೝLj‫ۉڍ‬ᆥஞ؋‫ڦ‬ฉื้क़ ྺ1.25 Ljஞ؋੻‫ྺ܈‬50 ăُྔLj‫ۉ‬ᆥஞ؋ీଉ੗ᅜ‫ڟٳ‬ 90 JLjԲESDईEFTஞ؋‫ీڦ‬ଉߛ‫؜‬ෙ‫຺߲ڟ‬ຕଉपăᅺ ُLj‫ۉ‬ᆥຨՎԥණྺ๟ፌჹዘ‫ڦ‬EMCຨՎăESDᇑEFT ၎ຼLjᅺُ‫ۉ‬ୟԍࢺ‫ڦ‬ยऺ੗ᅜ၎ຼLj‫ۉڍ‬ᆥሶփ඗Lj ഄీଉ‫ߛ׉ݥ‬LjᅺُՂႷᅜփཞ‫ݛ‬๕‫ت‬૙ăኄ๟ਸ݀ԍ ࢺ‫ٯ‬แᅜ߀฀ຕ਍‫܋‬੨‫ܔ‬໯ᆶෙዖຨՎ‫ੇڦ‬ඡ‫܈‬Ljཞ้ ԍ‫ߛ׼‬ႠॏԲ‫ײࡗڦ‬ዐࣷᇜ‫ڦڟ‬ዷᄲ࿚༶ኮᅃă ‫ ۉ‬ፆ ॽ ‫ ۉ‬ᆥ ຨ Վ ᳘ ࢇ ‫ ڟ‬ཚ ႑ ၍ ୟ ă ཮ 4၂ ๖ ӷ ມ ߾ RS-485ഗॲ‫ڦ‬᳘ࢇྪஏă‫ۉ‬ፆժ૴ጺࢅྺ40 Ωă‫ܔ‬ᇀӷ ມ߾ഗॲLj߳‫ۉ‬ፆྺ80 Ωă ‫ۉ‬ᆥ֪๬೺क़Ljॽ5߲ኟஞ؋ࢅ5߲޶ஞ؋แेᇀຕ਍‫܋‬ ੨Lj߳ஞ؋क़߰ፌ‫้׊‬क़ྺ1‫ݴ‬ዓăՔጚᄲ൱Ljഗॲሞ ֪๬೺क़ยዃྺኟ‫߾׉‬ፕጒༀă ཮3. IEC61000-4-5‫ۉ‬ᆥ1.2/50 հႚ ཮4. ӷມ߾RS-485ഗॲ‫ڦ‬᳘ࢇ/঴᳘ྪஏ Page 235 ཚࡗ/฿ӨՔጚ ॽຨՎแेᇀ๴֪ဣཥ้Lj֪๬঳ࡕӀቷཚࡗ/฿ӨՔ ጚ‫຺ྺݴ‬ૌăူ௬๟ཚࡗ/฿ӨՔጚ‫ڦ‬ଚ՗Ljժਉ૩ຫ ௽߳ՔጚᇑRS-485๭݀ഗ‫࠲ڦ‬ဣă x ኟ‫߾׉‬ፕǗแेຨՎ೺क़ईኮࢫփࣷ݀ิ࿋‫ٱ‬ဃă x ࠀీሡ้ෟ฿ईႠీሡ้ই‫گ‬LjփႴᄲ֡ፕᇵ߅ ᇨǗแेຨՎ೺क़ईኮࢫ‫ڦ‬ᆶ၌้क़ా੗ీ݀ิ࿋ ‫ٱ‬ဃă x ࠀీሡ้ෟ฿ईႠీሡ้ই‫گ‬LjႴᄲ֡ፕᇵ߅ᇨǗ ੗ీ݀ิឋ໮๚ॲLj‫ڍ‬ฉ‫ްۉ‬࿋ࢫ੗ၩ‫أ‬Lj‫ܔ‬ഗॲ Ⴀీ࿮ᆦ৳ᆖၚă x ࠀీෟ฿LjยԢᆦ৳໦࣋Ǘഗॲ࿄ཚࡗ֪๬ă ՔጚA๟ፌထྭ‫ڦڟٳ‬LjՔጚD๟փ੗থ๴‫ڦ‬ăᆦ৳໦ ࣋ࣷ‫ڞ‬ዂဣཥཕऐࢅྼႪ/߸࣑‫ׯ‬Ԩă‫ܔ‬ᇀඪခ࠲॰႙ ဣཥLjՔጚBࢅՔጚCᄺ๟փ੗থ๴‫ڦ‬Ljᅺྺဣཥሞຨ Վ๚ॲ೺क़ՂႷీ࿮‫ٱ‬ဃሏႜă ຨՎԍࢺ ยऺຨՎԍࢺ‫ۉ‬ୟ้LjยऺටᇵՂႷ੊୯ᅜူዷᄲ ๚ၜǖ 1. ޿‫ۉ‬ୟՂႷ‫ݞ‬ኹई၌዆ຨՎᆅഐ‫ڦ‬໦࣋LjժሎႹဣ ཥ࣬ްኟ‫߾׉‬ፕLjႠీᆖၚटၭă 2. ԍࢺ‫ݛ‬ӄᆌ‫׉ݥړ‬੗੍Ljፁᅜ‫ت‬૙ဣཥሞํाᆌᆩ ঢ়๴‫ڦڟ‬ຨՎૌ႙ࢅ‫ۉ‬უ຤ೝă 3. ຨՎ้‫׊‬๟ᅃ߲ዘᄲᅺ໎ă‫ܔ‬ᇀ‫้׊‬क़ຨՎLjेඤ ၳᆌ੗ీࣷ‫ڞ‬ዂగၵԍࢺ‫ݛ‬ӄ฿ၳă 4. ኟ‫׉‬ཉॲူLjԍࢺ‫ۉ‬ୟփ‫߅ڥ‬ඡဣཥሏႜă 5. සࡕԍࢺ‫ۉ‬ୟᅺྺࡗᆌ૰ܸ฿ၳLj໲ᆌᅜԍࢺဣཥ ‫ݛڦ‬๕฿ၳă ཮5၂๖ᅃ߲‫ۆ‬႙ԍࢺ‫ݛ‬ӄLjഄ༬ኙ๟ਏᆶଇዘԍࢺǖ ዷԍࢺࢅْपԍࢺăዷԍࢺ੗ॽ‫ٷ‬և‫ݴ‬ຨՎీଉٗဣཥ MS-2443 ገᅎਸLjཚ‫׉‬࿋ᇀဣཥࢅ࣍ৣኮक़‫ڦ‬থ੨ă໲ኼሞॽຨ Վ‫ୁݴ‬዁‫ں‬Ljܸٗၩ‫ٷأ‬և‫ీݴ‬ଉă ْपԍࢺ‫ڦ‬ణ‫ڦ‬๟ԍࢺဣཥ߲߳ևॲLj๑ഄ௨๴ዷԍࢺ ሎႹཚࡗ‫ڦ‬ඪࢆຨༀ‫ۉ‬უࢅ‫ڦୁۉ‬໦࣋ă໲ঢ়ࡗᆫࣅLj ඓԍీࠕ‫ڸ‬ᇟ֘ᇆຨՎᆖၚLjཞ้ሎႹဣཥ‫ߌ௺ڦ‬և‫ݴ‬ ኟ‫߾׉‬ፕăዷԍࢺࢅْपԍࢺ‫ڦ‬ยऺՂႷᇑဣཥI/Oၹ ཞ߾ፕLjܸٗፌ‫ں܈ײٷ‬ই‫ܔگ‬ԍࢺ‫ۉ‬ୟ‫ڦ‬უ૰Ljኄ‫ۅ‬ ࢔ዘᄲăዷԍࢺഗॲᇑْपԍࢺഗॲኮक़ᅃӯᆶᅃ߲ၹ ۙᇮॲLjස‫ۉ‬ፆई‫ݥ‬၍Ⴀࡗୁԍࢺഗॲ‫ڪ‬Ljᆩᅜඓԍܾ ኁၹཞᆌ‫ܔ‬ຨՎă ཮5. ԍࢺ‫ݛ‬ӄ઀཮ RS-485ຨՎᅞ዆ྪஏ ৽༬ႠܸჾLjEMCຨༀ๚ॲሞ้क़ฉࣷᆶՎࣅLjᅺُ ԍࢺᇮॲՂႷਏᆶ‫ۯ‬ༀႠీLjܸ൐ഄ‫ۯ‬ༀ༬ႠႴᄲᇑ๴ ԍࢺഗॲ‫ڦ‬๼෇/๼‫؜‬ट၎೅ದLjኄᄣ֍ీํ၄‫ڦࠀׯ‬ EMCยऺăഗॲຕ਍๮֩ᅃӯኻԈࡤ኱ୁຕ਍Ljᆯᇀ ‫ۯ‬ༀऍ‫ࢅح‬I/V༬Ⴀ੗ీᇑ኱ୁኵ٪ሞ࢔‫ֶٷ‬ᅴLjᅺُ ኄၵຕ਍ுᆶ໿‫ܠ‬ॏኵăՂႷ৊ႜ৛႐ยऺժඓۨ༬ ႠLjକ঴๴ԍࢺഗॲ‫ڦ‬๼෇/๼‫؜‬प‫ۯڦ‬ༀႠీLjժ൐ ๑ᆩԍࢺᇮॲLj֍ీඓԍ‫ۉ‬ୟ‫ڟٳ‬EMCՔጚă Page 236 MS-2443 ཮6໯๖‫ۉ‬ୟ၂๖କෙዖփཞ‫ྜڦ‬ኝ༬ႠEMCग़ඹ঴ਦ ‫ݛ‬ӄă௅߲঴ਦ‫ݛ‬ӄ‫ۼ‬ঢ়ࡗ‫܀‬૬ྔևEMCग़ඹႠ֪๬ ࠅິ‫ڦ‬ණኤLj߳‫ݛ‬ӄ๑ᆩ৛჋‫ڦ‬Bournsྔև‫ۉ‬ୟԍࢺᇮ ॲLjኍ‫ܔ‬ADIࠅິਏᆶሺഽESDԍࢺႠీ‫ڦ‬ADM3485E 3.3 V RS-485๭݀ഗ༵ࠃփཞ‫ׯڦ‬Ԩ/ԍࢺप՚ă໯ᆩ‫ڦ‬ Bournsྔ և ‫ ۉ‬ୟ ԍ ࢺ ᇮ ॲ Ԉ ઔ ຨ ༀ ‫ ۉ‬უ ᅞ ዆ ഗ (CDSOT23-SM712*ĂຨༀԿ໮‫ڇ‬ᇮ(TBU-CA065-200-WH*Ă ৗ ቄ ࠶ ‫ ۉ‬ᆥ ԍ ࢺ ഗ (TISP4240M3BJR-S* ࢅ ഘ ༹ ‫࠶ ۉ ݣ‬ (2038-15-SM-RPLF*ă ௅ዖ঴ਦ‫ݛ‬ӄ‫ۼ‬ঢ়ࡗ༬Ⴀ֪๬Ljඓԍԍࢺᇮॲ‫ۯڦ‬ༀI/VႠ ీ੗ᅜԍࢺADM3485E RS-485ጺ၍ᆅগ‫ۯڦ‬ༀI/V༬ႠLj๑ ‫ڥ‬ADM3485E๼෇/๼‫؜‬पᇑྔևԍࢺᇮॲၹཞ‫ݔݞ‬ຨ Վ๚ॲă ཮ 6. ෙ߲EMCग़ඹADM3485E‫ۉ‬ୟ)ᇱ૙๖ᅪ཮Lj࿄၂๖໯ᆶ૶থ* Page 237 ԍࢺ‫ݛ‬ӄ1 മ௬ຫࡗLjEFTࢅESDຨՎਏᆶ၎ຼ‫ీڦ‬ଉ຤ೝLjܸ‫ۉ‬ ᆥհႚ‫ీڦ‬ଉ຤ೝሶߛ‫؜‬ෙ‫຺߲ڟ‬ຕଉपăኍ‫ܔ‬ESDࢅ EFT‫ڦ‬ԍࢺ੗ཚࡗ၎ຼ‫ݛ‬๕ํ၄Lj‫ڍ‬ኍ‫ۉߛܔ‬ᆥप՚‫ڦ‬ ԍࢺ঴ਦ‫ݛ‬ӄሶ߸ྺްሗă‫ڼ‬ᅃ߲঴ਦ‫ݛ‬ӄ༵ࠃ຺प ESDࢅEFTԍࢺतܾप‫ۉ‬ᆥԍࢺăԨ࿔௮ຎ‫ڦ‬໯ᆶ‫ۉ‬ᆥ ֪๬‫ۼ‬๑ᆩ1.2/50 μsհႚă ُ঴ਦ‫ݛ‬ӄ๑ᆩBournsࠅິ‫ڦ‬CDSOT23-SM712ຨՎ‫ۉ‬ უᅞ዆ഗ(TVS)ንଚLj໲Ԉઔଇ߲ມၠTVSܾट࠶Lj‫ݥ‬ ‫׉‬๢ࢇԍࢺRS-485ဣཥLjࡗᆌ૰टၭLjཞ้ኧ‫׼‬RS-485 ๭݀ഗฉ‫ڦ‬ඇ‫ྷݔ‬RS-485႑ࡽࢅࠌఇೋᅎ(–7 V዁+12 V)ă ՗1၂๖ኍ‫ܔ‬ESDĂEFTࢅ‫ۉ‬ᆥຨՎ‫ۉڦ‬უԍࢺप՚ă ՗1. ঴ਦ‫ݛ‬ӄ1ԍࢺप՚ ESD (-4-2) प՚ ‫ۉ‬უ(থ‫ة‬/ഘဤ) 4 8 kV/15 kV EFT (-4-4) प՚ ‫ۉ‬უ 4 2 kV Surge (-4-5) प՚ ‫ۉ‬უ 2 1 kV TVS๟एᇀࡂ‫ڦ‬ഗॲăሞኟ‫߾׉‬ፕཉॲူLjTVSਏᆶ࢔ ߛ‫ںܔڦ‬ፆੇǗ૙ၙ൧઄ူ໲๟ਸୟăԍࢺ‫݆ݛ‬๟ॽຨ ༀ‫ڞ‬ዂ‫ࡗڦ‬უᶏ࿋‫ۉڟ‬უ၌ኵăኄ๟ཚࡗPN঳‫گڦ‬ፆ ੇდԪऍ‫ํح‬၄‫ڦ‬ă‫ٷิׂړ‬ᇀTVS‫ڦ‬ऍ‫ۉح‬უ‫ڦ‬ຨༀ ‫ۉ‬უ้LjTVSࣷॽຨༀᶏ࿋‫ڟ‬ၭᇀԍࢺഗॲ‫ڦ‬ऍ‫ۉح‬უ ‫ڦ‬ᇨۨ຤ೝăຨՎ૬न๴‫ڟ‬ᶏ࿋(< 1 ns)Ljຨༀ‫ٗୁۉ‬๴ ԍࢺഗॲገᅎ዁‫ں‬ă ዘᄲ‫ڦ‬๟ᄲඓԍTVS‫ڦ‬ऍ‫ۉح‬უሞ๴ԍࢺᆅগ‫ڦ‬ኟ‫߾׉‬ ፕ ‫ ྷ ݔ‬ኮ ྔ ă CDSOT23-SM712‫ ܀ ڦ‬ᆶ ༬ Ⴀ ๟ ਏ ᆶ +13.3 Vࢅ–7.5 V‫׬ܔݥڦ‬ऍ‫ۉح‬უLjᇑ+12 V዁–7 V‫ڦ‬๭ ݀ഗࠌఇ‫ྷݔ‬၎೅ದLjܸ༵ٗࠃፌॅԍࢺLjཞ้ፌ‫ײٷ‬ ‫܈‬३ၭ‫ܔ‬ADM3485E RS-485๭݀ഗ‫ࡗڦ‬უᆌ૰ă MS-2443 ཮7. CDSOT23-SM712 I/V༬Ⴀ ԍࢺ‫ݛ‬ӄ2 ฉᅃ঴ਦ‫ݛ‬ӄ੗༵ࠃፌߛ຺पESDࢅEFTԍࢺLj‫ڍ‬ኻీ ༵ࠃܾप‫ۉ‬ᆥԍࢺăྺକ༵ߛ‫ۉ‬ᆥԍࢺप՚Ljԍࢺ‫ۉ‬ୟ Վ‫ްे߸ڥ‬ሗăᅜူԍࢺ‫ݛ‬ӄ੗ᅜ༵ࠃፌߛ຺प‫ۉ‬ᆥ ԍࢺă CDSOT23-SM712ጆோኍ‫ܔ‬RS-485ຕ਍‫܋‬੨ยऺăᅜူ ଇ߲‫ۉ‬ୟएᇀCDSOT23-SM712ࠓॺLj༵ࠃ߸ߛप՚‫ڦ‬ ‫ ۉ‬ୟ ԍ ࢺ ă CDSOT23-SM712༵ ࠃ ْ प ԍ ࢺ Lj ܸ TISP4240M3BJR-S༵ࠃዷԍࢺăዷٗԍࢺഗॲᇑࡗୁԍ ࢺኮक़‫ڦ‬ၹۙཚࡗTBU-CA065-200-WHྜ‫ׯ‬ă՗2၂ ๖๑ᆩُԍࢺ‫ۉ‬ୟ‫ڦ‬ESDĂEFTࢅ‫ۉ‬ᆥຨՎԍࢺ‫ۉ‬უ प՚ă ՗2. ঴ਦ‫ݛ‬ӄ2ԍࢺप՚ ESD (-4-2) प՚ ‫ۉ‬უ(থ‫ة‬/ഘဤ) 4 8 kV/15 kV EFT (-4-4) प՚ ‫ۉ‬უ 4 2 kV Surge (-4-5) प՚ ‫ۉ‬უ 4 4 kV ‫ړ‬ຨՎీଉแेᇀԍࢺ‫ۉ‬ୟ้LjTVSॽࣷऍ‫ح‬Ljཚࡗ ༵ࠃ‫گ‬ፆੇ‫ڦ‬থ‫ں‬ୟ০ઠԍࢺഗॲăᆯᇀ‫ۉ‬უࢅ‫ۉ‬ ୁডߛLj࣏ՂႷཚࡗ၌዆ཚࡗ‫ୁۉڦ‬ઠԍࢺTVSăኄ ੗֑ᆩຨༀԿ໮‫ڇ‬ᇮ(TBU)ํ၄Lj໲๟ᅃ߲ዷ‫ߛۯ‬໏ ࡗ ୁ ԍ ࢺ ᇮ ॲ ă ُ ঴ ਦ ‫ ݛ‬ӄ ዐ ‫ ڦ‬TBU๟ Bourns TBU-CA065-200-WHă TBU੗ፆ‫ୁۉڔ‬Ljܸփ๟ॽഄ‫ୁݴ‬዁‫ں‬ăፕྺ‫૴ز‬ᇮ ॲLj໲ࣷ‫ܔ‬ཚࡗഗॲ‫ୁۉڦ‬ፔ‫ݒ؜‬ᆌLjܸփ๟‫ܔ‬থ੨ଇ ‫ۉڦ܋‬უፔ‫ݒ؜‬ᆌăTBU๟ᅃ߲ߛ໏ࡗୁԍࢺᇮॲLjਏ ᆶᇨย‫ୁۉ‬၌ኵࢅఱߛუీ૰ă Page 238 MS-2443 ‫ୁࡗิ݀ړ‬LjTVSᆯᇀຨༀ๚ॲऍ‫้ح‬LjTBUዐ‫ୁۉڦ‬ ॽื዁ഗॲยዃ‫ڦ‬၌ୁ຤ೝăُ้LjTBUࣷሞփፁ1 ้ क़ాॽ๴ԍࢺ‫ۉ‬ୟᇑ‫ۉ‬ᆥ܏ਸăሞຨՎ‫ڦ‬฻ᇆ้क़ాLj TBUԍ‫׼‬ሞ๴ԍࢺፆ߰ጒༀLjኻᆶटၭ‫<(ୁۉڦ‬1 mA* ཚࡗ๴ԍࢺ‫ۉ‬ୟăሞኟ‫߾׉‬ፕཉॲူLjTBUਏᆶ‫گ‬ፆ ੇLjᅺُ໲‫ܔ‬ኟ‫ۉ׉‬ୟ߾ፕ‫ڦ‬ᆖၚ࢔ၭăሞፆ߰ఇ๕ ူLj໲ਏᆶ࢔ߛ‫ڦ‬ፆੇᅜፆ߰ຨՎీଉăሞຨༀ๚ॲ ࢫLjTBUጲ‫ްۯ‬࿋዁‫گ‬ፆੇጒༀLjሎႹဣཥ࣬ްኟ‫׉‬ ߾ፕă ᇑ໯ᆶࡗୁԍࢺरຍ၎ཞLjTBUਏᆶፌ‫ٷ‬ऍ‫ۉح‬უLjᅺ ُዷԍࢺഗॲՂႷᶏ࿋‫ۉ‬უLjժॽຨՎీଉዘႎᆅ‫ڞ‬዁ ‫ں‬ăኄཚ‫׉‬๑ᆩഘ༹‫࠶ۉݣ‬ईࠦༀৗቄ࠶‫ڪ‬रຍํ၄Lj ૩සྜඇण‫ۉׯ‬ᆥԍࢺഗ(TISP*ăTISP؊‫ړ‬ዷԍࢺഗ ॲă‫ࡗגړ‬ഄᇨۨᅭԍࢺ‫ۉ‬უ้Lj໲༵ࠃຨༀਸୟ‫گ‬ፆ ੇথ‫ں‬ୟ০Ljܸٗॽ‫ٷ‬և‫ݴ‬ຨՎీଉٗဣཥࢅഄ໱ԍࢺ ഗॲገᅎਸă TISP‫ݥڦ‬၍Ⴀ‫ۉ‬უ-‫ୁۉ‬༬Ⴀཚࡗገᅎׂิ‫ୁۉڦ‬ઠ၌ ዆ࡗუăፕྺৗቄ࠶LjTISPਏᆶ‫૶ݥ‬Ⴤ‫ۉ‬უ-‫ୁۉ‬༬ ႠLj໲๟ᆯᇀߛ‫ۉ‬უ൶ࢅ‫ۉگ‬უ൶ኮक़‫ڦ‬ൎ࣑‫ۯ‬ፕܸ‫ڞ‬ ዂ‫ڦ‬ă཮9၂๖କഗॲ‫ۉڦ‬უ-‫ୁۉ‬༬ႠăሞTISPഗॲൎ ࣑‫ۉگڟ‬უጒༀኮമLj໲ਏᆶ‫گ‬ፆੇথ‫ں‬ୟ০ᅜ‫ୁݴ‬ຨ ՎీଉLjდԪऍ‫ح‬൶ᇘሶ‫ڞ‬ዂକᶏ࿋‫ۯ‬ፕăሞ၌዆ࡗუ ‫ײࡗڦ‬ዐLj๴ԍࢺ‫ۉ‬ୟ‫܌‬ሡԓ୞ሞߛუူLjᅺܸሞൎ࣑ ‫گڟ‬უԍࢺ‫ڞ‬ཚጒༀኮമLjTISPഗॲ‫ت‬ሞऍ‫ح‬൶ᇘă TBUॽԍࢺူᆴ‫ۉ‬ୟLj‫ݞ‬ኹᆯᇀኄዖߛ‫ۉ‬უ‫ڞ‬ዂ‫ۉߛڦ‬ ୁሰ‫ׯ‬໦࣋ă‫ړ‬ገᅎ‫ୁۉ‬ই‫ڟگ‬ଣহኵᅜူ้LjTISPഗ ॲጲ‫ްۯ‬࿋LjᅜՍ࣬ްኟ‫׉‬ဣཥሏႜă සฉ໯ຎLj໯ᆶෙ߲ഗॲᇑဣཥI/Oၹཞ߾ፕઠԍࢺဣ ཥ௨๴ߛ‫ۉ‬უࢅ‫ୁۉ‬ຨՎᆖၚă ཮9. TISPൎ࣑༬Ⴀࢅ‫ۉ‬უ၌዆հႚ Page 239 ԍࢺ‫ݛ‬ӄ3 ‫׉׉‬Ⴔᄲ຺पᅜฉ‫ۉڦ‬ᆥԍࢺăُԍࢺ‫ݛ‬ӄ੗ԍࢺ RS-485‫܋‬੨௨๴ፌߛ6 kV‫ۉ‬ᆥຨՎ‫ڦ‬ᆖၚă໲‫߾ڦ‬ፕ‫ݛ‬ ๕ૌຼᇀԍࢺ঴ਦ‫ݛ‬ӄ2Lj‫ۉُڍ‬ୟ֑ᆩഘ༹‫࠶ۉݣ‬ (GDT*ൽ‫پ‬TISPઠԍࢺTBULj৊ܸԍࢺْपԍࢺഗॲ TVSăGDTॽኍ‫ߛܔ‬ᇀമᅃዖԍࢺऐ዆ዐ໯ຎTISP‫ࡗڦ‬ უࢅࡗୁᆌ૰༵ࠃԍࢺăُԍࢺ‫ݛ‬ӄ‫ڦ‬GDT๟Bournsࠅ ິ‫ڦ‬2038-15-SM-RPLFăTISP‫ྺୁۉۨܮ‬220 ALjܸGDT ௅߲‫ྺୁۉۨܮڦ༹ڞ‬5 kAă՗3၂๖ُยऺ༵ࠃ‫ڦ‬ԍ ࢺप՚ă ՗3. ঴ਦ‫ݛ‬ӄ3ԍࢺप՚ ESD (-4-2) प՚ ‫ۉ‬უ(থ‫ة‬/ഘဤ) 4 8 kV/15 kV EFT (-4-4) प՚ ‫ۉ‬უ 4 2 kV Surge (-4-5) प՚ ‫ۉ‬უ X 6 kV GDTዷᄲᆩፕዷԍࢺഗॲLj༵ࠃ‫گ‬ፆੇথ‫ں‬ୟ০ᅜ‫ݞ‬ኹ ࡗუຨՎă‫ړ‬ຨༀ‫ۉ‬უ‫ڟٳ‬GDTआࢾ‫ۉۉݣ‬უ้Lj GDTॽٗߛፆੇ࠲Կጒༀൎ࣑‫ࢷۉڟ‬ఇ๕ăሞ‫ࢷۉ‬ఇ๕ ူLjGDT‫ྺׯ‬Ⴕె‫܌‬ୟLj༵ࠃຨༀਸୟ‫ୁۉ‬থ‫ں‬ୟ০Lj ॽຨༀ‫ٗୁۉ‬๴ԍࢺഗॲฉገᅎਸă ཮10၂๖GDT‫ۆڦ‬႙༬Ⴀă‫ړ‬GDTଇ‫ۉڦ܋‬უሺ‫้ٷ‬Lj ‫࠶ۉݣ‬ዐ‫ڦ‬ഘ༹ᆯᇀׂิ‫ࢁۉڦ‬ਸ๔‫ۉ‬૗ăኄ‫࠼࣪ྺ׬‬ ൶ăሞُ൶ᇘዐLjሺे‫ิׂॽୁۉڦ‬დԪၳᆌLjॽGDT ገ࣑ྺႵె‫܌‬ୟLjሎႹ‫ୁۉ‬ཚࡗഗॲăሞ‫܌‬ୟ๚ॲዐLj ഗॲଇ‫ۉڦิׂ܋‬უ‫ۉࢷྺ׬‬უă࣪࠼൶ࢅ‫ࢷۉ‬൶ኮक़ ‫ڦ‬ገ้࣑क़ዷᄲൽਦᇀഗॲ‫ڦ‬࿿૙༬Ⴀă ՗4. ෙዖADM3485E EMCग़ඹ঴ਦ‫ݛ‬ӄ ԍࢺ‫ݛ‬ӄ TVS TVS/TBU/TISP TVS/TBU/GDT प՚ 4 4 4 ESD (-4-2) ‫ۉ‬უ(থ‫ة‬/ഘဤ) 8 kV/15 kV 8 kV/15 kV 8 kV/15 kV MS-2443 ཮10. GDT༬Ⴀհႚ ঳ஃ Ԩ࿔ຫ௽କ‫ت‬૙ຨՎੇඡ‫ڦ܈‬ෙዖIECՔጚăሞํा߾ ᄽᆌᆩዐLjRS-485ཚ႑‫܋‬੨ᇜ‫ڟ‬ኄၵຨՎ้੗ీሦ‫ڟ‬໦ ࣋ăEMC࿚༶සࡕ๟ሞׂ೗ยऺዜ೺ࢫ೺֍݀၄Lj੗ ీႴᄲዘႎยऺLj‫ڞ‬ዂऺࣄჽ‫׿‬Lj‫پ‬ॏ਎‫ٷ‬ăᅺُLj EMC࿚༶ᆌሞยऺዜ೺ਸ๔้৽ᇎᅜ੊୯Lj‫ޏ‬ሶ੗ీ ࢫࣰఎतLj࿮݆ํ၄໯Ⴔ‫ڦ‬EMCႠీă ሞยऺ௬ၠRS-485ྪஏ‫ڦ‬EMCग़ඹ঴ਦ‫ݛ‬ӄ้Ljዷᄲవ ༶๟ඟྔևԍࢺᇮॲ‫ۯڦ‬ༀႠీᇑRS-485ഗॲ๼෇/๼ ‫؜‬঳ࠓ‫ۯڦ‬ༀႠీ၎೅ದă Ԩ࿔঻ถକ๢ᆩᇀRS-485ཚ႑‫܋‬੨‫ڦ‬ෙዖփཞEMCग़ඹ ঴ਦ‫ݛ‬ӄLjยऺටᇵ੗Ӏቷ໯Ⴔ‫ڦ‬ԍࢺप՚჋ስԍࢺ‫ݛ‬ ӄăEVAL-CN0313-SDPZ๟ᄽহ๯߲EMCग़ඹRS-485ਜ਼ ࢽยऺ߾ਏLjኍ‫ܔ‬ESDĂEFTࢅ‫ۉ‬ᆥ༵ࠃፌߛ຺पԍ ࢺă՗4ጺ঳କփཞԍࢺ‫ݛ‬ӄ༵ࠃ‫ڦ‬ԍࢺप՚ă໚඗ኄ ၵยऺ߾ਏփీൽ‫پ‬໯Ⴔ‫ڦ‬ဣཥपჹ߭ೠࠚࢅጆᄽጨ ዊLj‫ࠕీڍ‬ඟยऺටᇵሞยऺዜ೺ራ೺ই‫گ‬ᆯᇀEMC ࿚༶‫ڞ‬ዂ‫ڦ‬ၜణჽဃ‫ޅ‬၃Ljܸٗ໫‫ׂ܌‬೗ยऺ้क़ࢅฉ ๨้क़ăᆶ࠲ၘ൧Lj൩‫ݡ‬࿚ǖwww.analog.com/RS485emcă प՚ 4 4 4 EFT (-4-4) ‫ۉ‬უ 2 kV 2 kV 2 kV Surge (-4-5) प՚ ‫ۉ‬უ 2 1 kV 4 4 kV X 6 kV Page 240 MS-2443 ֖੊࿔၅ ADM3485Eຕ਍๮֩ă ADIࠅິথ੨ᇑ߰૗ׂ೗ă http://www.analog.com/cn/products/interface-isolation.htmlă Bourns‫ۉ‬႑ԍࢺኸళă www.bourns.com/data/global/pdfs/bourns_circuit_protection_ selection_guide.pdfă CDSOT23-SM712ă www.bourns.com/pdfs/CDSOT23-SM712.pdfă ‫ىۉ‬ग़ඹႠ (EMC) ‫ڼ‬4-2বǖ֪๬ࢅ֪ଉरേĊĊৢ‫ݣۉ‬ ‫ੇۉ‬ඡႠ๬ᄓDŽIEC61000-4-2:2008DŽ2.0ӲԨDžDžă ‫ىۉ‬ग़ඹႠ (EMC) ‫ڼ‬4-4বǖ֪๬ࢅ֪ଉरേĊĊ‫੺ۉ‬໏ ຨՎ/཭հੇඡ‫֪܈‬๬DŽIEC61000-4-4:2012DŽ3.0ӲԨDžDžă ‫ىۉ‬ग़ඹႠ (EMC) ‫ڼ‬4-5বǖ֪๬ࢅ֪ଉरേĊĊષᆥੇ ඡႠ๬ᄓDŽIEC61000-4-5:2005DŽ2.0ӲԨDžDžă EVAL-CN0313-SDPZăwww.analog.com/RS485emcă GDT‫ڼ‬ᅃᇱ૙ă www.bourns.com/pdfs/bourns_gdt_white_paper.pdfă MaraisLjHeinăᆌᆩԴऻAN-960ăĖRS-485/RS-422‫ۉ‬ୟํแ ኸళėLj2008౎4ሆă TBU-CA065-200-WHă www.bourns.com/data/global/pdfs/TBU-CA.pdfă TISP4240M3BJR-Să www.bourns.com/data/global/pdfs/TISP4xxxM3BJ.pdfă 2038-15-SM-RPLFă www.bourns.com/data/global/pdfs/2038-xx-SM.pdfă One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA11306sc-0-4/13 Page 241 www.analog.com/cn ©2013 Analog Devices, Inc. ԍା໯ᆶ඄૧ă Percent of 2010 Luminaire Cost % of Total Cost Due to LED . ইუۙবഗՎวྺ዇ీLEDൻ ‫ۯ‬ഗ ፕኁǖJon KraftLjADIࠅິᆌᆩ߾‫ײ‬ঢ়૙ LEDᆶྭ߀Վ๘হLjबࢭுᆶටࣉᅑኄᅃ‫ۅ‬Lj‫ڍ‬LEDԨ ว‫ׯڦ‬Ԩ๟‫ڞ‬ዂഄփీ੺໏‫ڦ࠽ླྀڟڥ‬ᅃ߲ዷᄲᅺ ໎ăփཞLED‫ڨ‬ਏ‫ׯڦ‬Ԩࠓ‫ׯ‬ᄺփ৑၎ཞLj‫ڍ‬੗ᅜᆶӝ ࿥‫ں‬ຫLjLED‫ׯڦ‬Ԩ቞‫ڨ‬ਏጺ‫ׯ‬Ԩ‫ٷڦ‬ሀ25%‫ڟ‬40%ă ᇨऺ࿄ઠႹ‫౎ܠ‬Lj໲ሞ‫ڨ‬ਏጺ‫ׯ‬Ԩዐ‫ࣷۼ‬቞਍၎‫ٷړ‬ ‫ڦ‬Բ૩ă LED Luminaire Cost % Cost Due to LED 100 90 80 70 60 50 40 30 20 10 0 2010 2012 2014 2016 2018 ཮1. LED‫ڨ‬ਏ‫ׯ‬Ԩ‫ڦ‬ဦ‫ݴ‬1 100 90 80 70 60 50 40 30 20 10 0 2020 ই‫ڨگ‬ਏጺ‫ׯ‬Ԩ‫ڦ‬ᅃዖ‫݆ݛ‬๟ᅜፌߛ੗ీ‫ୁۉڦ‬ൻ‫ۯ‬ LEDăසࡕྉ฀ൻ‫ۯ‬LjኄዖLED੗༵ࠃ߸ߛ‫ୁڦ‬௽/‫ׯ‬ ԨԲă रຍ࿔ቤ MS-2437 ইუۙবഗ‫ܔ‬๼෇‫ۉ‬უ৊ႜቘհLjඟഄཚࡗLC୳հ ഗLjܸ༵ٗࠃ࿘ۨ‫ڦ‬๼‫؜‬ăྺُLjইუۙবഗ֑ᆩଇ߲ ᆶᇸᇮॲࢅଇ߲࿮ᇸᇮॲăᆶᇸᇮॲԈઔٗ๼෇‫ߌۉڟ‬ ‫ڦ‬ਸ࠲)཮3ዐՔ๖ྺA*ࢅٗGND‫ڦߌۉڟ‬ਸ࠲)ईܾट ࠶Lj཮3ዐՔ๖ྺB*ă࿮ᇸᇮॲԈઔ‫(ߌۉ‬L)ࢅ๼‫ۉ؜‬ඹ (COUT)ă໲்ႚ‫ׯ‬LC୳հഗLj੗ᅜ३ၭᆯᆶᇸᇮॲׂิ ‫ڦ‬࿖հăഄದዃස཮3໯๖ă ཮3. एԨইუ‫ݛ‬ӄ3 සࡕਸ࠲ሞాևLjሶ‫׬‬ኮྺ“ۙবഗ”Lj‫ޏ‬ሶ‫׬‬ኮྺ“੦ ዆ഗ”ăසࡕଇ߲ਸ࠲਩ྺࠀ୲ৗ༹࠶(MOSFETSई BJT*Ljሶ‫׬‬ኮྺ“ཞօ”Lj‫ޏ‬ሶ‫׬‬ኮྺ“ᅴօ”ăኄᄣ৽‫ڥ‬ ‫ࡻڟ‬बૌইუ‫ۉ‬ୟLj௅ૌ‫ۉ‬ୟ‫ۼ‬ᆶഄᆫ‫ࢅۅ‬փፁă༪ஃ ๑ᆩనዖૌ႙ᅜत໯ᆶ‫ڦ‬૧ՁॽႴᄲ‫ٷ‬ଉೊ‫ޗ‬Lj‫ڍ‬ᅃӯ ܸჾLjཞօইუۙবഗ‫ํࠕీ׉׉‬၄ፌॅ‫ڦ‬ၳ୲Ă BOMຕ ଉ Ă ‫ ׯ‬Ԩ ࢅ ӱ ௬ ओ ă ඗ ܸ Lj ᆩ ᇀ ൻ ‫ୁ ۉ ߛ ۯ‬ LED)ፌߛ4 A*‫ڦ‬ཞօইუۙবഗ࢔ณLjܸ൐‫ׯ‬Ԩӆࡍă ఫ஺Ljྺ๊஺փీ‫ܔ‬Քጚཞօইუۙবഗ৊ႜ߀ሰLjᅜ ᆩઠۙবLED‫఼ୁۉ‬Ǜ࿢்ॽ๑ᆩADIࠅິፌৎ݀ք‫ڦ‬ ଇ ߲ ཚ ᆩ ཞ օ ই უ ۙ ব ഗ ፕ ྺ ૩ ጱ ǖ ADP2441ࢅ ADP2384ă ཮2. Cree XLamp XP-G LED‫߾ڦ‬ፕඹଉ੗ీ࿄ԥ؊‫ݴ‬૧ᆩ2 ྺُႴᄲߛ‫ୁۉ‬ൻ‫ۯ‬ഗLj‫ܠ࢔ڍ‬঴ਦ‫ݛ‬ӄᅜ‫ୁۉگ‬ (<500 mA)ൻ‫ۯ‬LEDLj࢔ณᆶߛ‫(ୁۉ‬700 mA዁4.0 A*‫ڦ‬჋ ስ‫ݛ‬ӄăଷᅃ‫ݛ‬௬Ljӷ‫༹ڞ‬๘হ؊؈ጣ4.0 Aᅜူ‫ڦ‬DC-DC ‫ݛ‬ӄLjኄ৽߸ेସටփ঴ă඗ܸLj࿚༶๟ኄၵDC-DC ঴ਦ‫ݛ‬ӄยऺᆩᇀ੦዆‫ۉ‬უLjܸփ๟LED‫ୁۉ‬ăԨ࿔༑ ༪ॽ၄‫ׯ‬DC-DCইუۙবഗՎวྺ‫ג‬प዇ీLEDൻ‫ۯ‬ഗ ‫ڦ‬ᅃၵ०‫ڇ‬रേă Page 242 MS-2437 ADP2441๟ᅃ੼ߛၳ୲Ă36 V๼෇ཞօইუۙবഗLjీ ࠕׂิፌߛ1.2 A‫ڦ‬๼‫ୁۉ؜‬ăADP2384๟ଷᅃ੼ߛၳ୲ ཞօইუۙবഗLj๼‫ୁۉ؜‬ፌߛ੗‫ٳ‬4.0 ALj๼෇‫ۉ‬უ੗ ‫ٳ‬20 Văኄଇ੼ഗॲ‫ڦ‬Քጚ๼‫ۉ؜‬უۙবᇱ૙཮ස཮4 ໯๖ă ‫ܔ‬ᇀADP2441ࢅADP2384Lj๼‫ۉ؜‬უ਩ঢ়ࡗ‫ۉ‬ፆ‫ݴ‬უໃ ዁FBᆅগă໲ᇑాև600 mVएጚ‫ۉ‬უԲডLjᆩઠྺਸ࠲ ׂิ๢‫ڦړ‬቞੣Բăሞ࿘ༀူLjُFBᆅগۙব‫ڟ‬ടࡻ 600 mVăᅺُLj࢔ඹᅟॽLED‫ݣ‬ሞ‫ۉ‬ፆ‫ݴ‬უഗ‫ڦ‬࿋ዃ)཮ 5*Ljժ૧ᆩᅃ߲‫ۉ૴ز‬ፆ(RSENSE)ઠยዃ‫ୁۉ‬ă ཮4. ADP2384ࢅADP2441ۙব๼‫ۉ؜‬უ‫ڦ‬ᇱ૙཮ ཮5. एԨ(‫ڍ‬փߛၳ)‫ڦ‬LEDൻ‫ۯ‬ഗ Page 243 ሞFBᇑGNDኮक़๑ᆩᅃ߲৛௢‫ۉ‬ፆઠยዃLED‫ୁۉ‬ǖ ILED = 600 mV/RSENSEăኄᄣፔ࢔ᆶၳLj‫ٷิׂࣷڍ‬ଉࠀ ࡼǖPDISS = 600 mV ă‫ܔ‬ᇀ‫گ‬LED‫ୁۉ‬Ljኄփ๟‫ٷ‬࿚༶Lj ‫ڍ‬ሞߛLED‫ူୁۉ‬Lj‫ܔ‬ၳ୲‫ڦ‬ᆖၚࣷ‫ޗٷ‬ሺे‫ڨ‬ਏො݀ ‫ڦ‬ඤଉ(600 mV 4 A = 2.4 W*ă႞ሏ‫ڦ‬๟Lj੗ᅜ๑ᆩଇ߲ रേઠই‫ܠٷگ‬ຕইუۙবഗ‫ڦ‬FBएጚ‫ۉ‬უǖ๑ᆩ SS/TRKᆅগईೋᅎRSENSE‫ۉ‬უă ࢔‫ܠ‬ཚᆩইუICԈઔ෉ഔ‫(ۯ‬SS*ई߶ጷ(TRK*ᆅগăSS ᆅগዷᄲᆩઠሞഔ‫ࠃ้༵ۯ‬๴੦‫ୁۉߌۉ‬LjTRKᆅগዷ ᄲᆩઠ๑ইუۙবഗ߶ໜᅃ߲‫܀‬૬‫ۉ‬უăኄଇ߲ᆅগ‫׉‬ ‫ࢇ׉‬ժྺᅃ߲SS/TRKᆅগă‫ܠٷ‬ຕ൧઄ူLjဃֶ‫ٷݣ‬ ഗ๑ᆩSSĂTRKࢅFBएጚ‫ۉ‬უዐ‫ڦ‬ፌၭኵઠ߀Վۙব ‫ۅ‬ă‫ۆ‬႙ยዃස཮6໯๖ă MS-2437 ኮक़๑ᆩᅃ߲‫ۉ‬ፆ‫ݴ‬უഗ৽ీ࢔ࡻ‫ں‬஢ፁᄲ൱ă࢔‫ܠ‬ই უۙবഗICԈઔ๴੦‫گ‬უ๼‫؜‬LjසADP2384‫ڦ‬VREGᆅ গईADP2441‫ڦ‬VCCᆅগăྺକ‫ߛ߸ڟٳ‬৛‫܈‬Lj੗ᅜ๑ ᆩ०‫ڦڇ‬2ᆅগ৛௢एጚ‫ۉ‬უᇸLj૩සADR5040ă࿮ஃ ࢆዖ൧઄Ljٗ‫ۉ‬ᇸ‫ڟ‬SS/TRKᆅগ‫ۉڦ‬ፆ‫ݴ‬უഗ‫ࣷۼ‬ႚ ‫ׯ‬ႎ‫ڦ‬एጚ‫ۉ‬უᇸăยዃ޿‫ۉ‬ፆ‫ݴ‬უഗᅜ๑SS/TRK‫ۉ‬ უሞ100 mV዁200 mVኮक़Ljཚ‫׉‬੗ᅜํ၄ࠀࡼࢅLED ‫ୁۉ‬৛‫܈‬ኮक़‫ڦ‬ፌॅೝ࢚ăጲႜยዃ‫ݒ‬ઍएጚ‫ۉ‬უ‫ڦ‬ଷ ᅃ߲ࡻ‫ت‬๟੗ᅜൟ຿๢ᆌඪࢆॠ֪‫ۉ‬ፆኵ)Քጚኵ*Ljኄ ᄣ৽੗ᅜՆ௨ժ૴‫߲ܠ‬RSENSE‫ۉ‬ፆઠยዃLED‫ڦୁۉ‬ਸ ၨࢅփ৛ඓႠă COMP SS FB 0.6V + ISS + AMP – + CMP – ཮6. ෉ഔ‫ࢅۯ‬/ई߶ጷᆅগ֡ፕ)๖૩ྺADP2384* VOUT ILED=1R5s0enmsVe 150 mV Rsense AGND Vcc BST FB VIN ADP2441 COMP SW EN PGND PGOOD FREQ SS/TRK 150 mV L VOUT COUT VIN VIN VCC ADR5040 PGND SW BST PVIN PVIN PVIN SS SYNC RT PGOOD EN PVIN SW PGND PGND PGND PGND PGND ADP2384 SW SW GND VREG FB COMP L COUT VOUT ILED=1R0s0enmsVe 100 mV Rsense 100 mV VREG ཮7. ๑ᆩSS/TRKᆅগই‫گ‬FBएጚ‫ۉ‬უ Page 244 MS-2437 ๑ᆩSSईTRKᆅগ੗๢ᆌႹ‫ܠ‬ইუۙবഗLj‫ڍ‬փ๟ඇ ևăగၵICுᆶSSईTRKᆅগăଷྔLjగၵইუIC‫ڦ‬SS ᆅগࣷ߀Վ‫ރ‬ኵ‫ୁۉߌۉ‬Ljܸփ๟FBएጚLjᅺُՂႷ ጮဦֱੂׂ೗ຕ਍๮֩ă‫ܔ‬ᇀኄଇዖ൧ႚLj੗ᅜ๑ᆩଷ ᅃ߲रേǖೋᅎRSENSE‫ۉ‬უăॽᅃ߲‫ۉ‬ፆ‫ݴ‬უഗ૶থ‫ڟ‬ FBᇑRSENSEኮक़‫ڦ‬৛ඓ‫ۉ‬ᇸࡆLj੗༵ࠃRSENSEᇑFBᆅগኮ क़‫ڦ‬࿘ۨೋᅎ‫ۉ‬უă VOUT VCC ILED=1R5s0enmsVe ADR5040 150 mV R1 R2 600 mV Rsense AGND Vcc BST FB VIN ADP2441 COMP SW EN PGND PGOOD FREQ SS/TRK L VOUT COUT VIN VIN PGND SW BST PVIN PVIN PVIN SW PGND PGND PGND PGND PGND ADP2384 L SW SW GND VREG FB COMP R1 600 mV R2 COUT VOUT ILED=1R0s0enmsVe 100 mV Rsense SS SYNC RT PGOOD EN PVIN ཮8. ೋᅎRSENSE‫ۉ‬უ Page 245 ‫ۉ‬ፆ‫ݴ‬უഗ໯Ⴔ‫ڦ‬ኵ੗ᅜཚࡗူ๕ऺ໙ǖ ͳൌ ʹൈ െ െ ሺሻ ᅺُLjྺइ‫ڥ‬150 mV‫ڦ‬ᆶၳ‫ݒ‬ઍएጚLjR2 = 1 kΩLjVSUP = 5 Vǖ ͳ ൌ ͳ ȳ ൈ ͷǤͲ ͲǤ͸ െ ͲǤ͸ െ ͲǤͳͷ ൌ ͻǤ͹ͺ ȳ LED‫ڪୁۉ‬ᇀǖ ൌ ሺሻ ኄዖ‫݆ݛ‬փႴᄲSSईTRKᆅগăُྔLjFBᆅগධ඗ۙব ዁600 mV)‫ڍ‬RSENSE‫ۉڦ‬უۙব዁FBREF *‫ۉ‬უ*ăኄᅪ (NEW ࿆ጣႊೌ‫ڦ‬ഄ໱ࠀీ)Ԉઔ෉ഔ‫ۯ‬Ă߶ጷࢅ‫ۉ‬ᇸଆࡻኸ ๖‫*ڪ‬ධॽኟ‫׉‬ሏႜă ඍ‫ۅ‬๟RSENSEࢅFBኮक़‫ڦ‬ೋᅎ๴‫ۉڟ‬ᇸ৛‫ڦ܈‬ჹዘᆖ ၚăADR5040‫ڪ‬৛௢एጚ‫ۉ‬უᇸ࿚༶փ‫ٷ‬Lj‫ڍ‬සࡕ๟ ±5%‫ڦ‬एጚ‫ۉ‬უᇸLjLED‫ิׂॽୁۉ‬±12%‫ڦ‬Վࣅăኄଇ ዖ‫ڦ݆ݛ‬Բড९՗1໯๖ă ՗1. ჋ስ1ǖ ๑ᆩSS/TRKই‫گ‬FBएጚ ±5%‫ۉڦ‬ᇸ‫ۉ‬უՎࣅሞILED ฉׂิ±5%‫ڦ‬ဃֶă ኄփࣷ๴‫ڟ‬V ‫ۉ‬უ‫ڦ‬ SENSE ᆖၚǗᅺُLjኄዖ‫݆ݛ‬ਏ ᆶፌ‫ڦگ‬R ࠀࡼă SENSE ࢔ࡻ‫ڦ‬ਸୟ/‫܌‬ୟLEDԍࢺă FB_OVPփࣷ‫ܔ‬क़ၶਸୟ ԍࢺഐፕᆩăLED‫ୁۉ‬๴ ‫ࢅߌۉڟ‬੦዆࣍ୟ໏‫܈‬ ‫ڦ‬၌዆ă PGOODॽ๔ዕԍ‫ۉگ׼‬ೝă ཚࡗԍ‫׼‬SS/TRKᆅগ‫گ‬ᇀ ኟ‫׉‬ኵLjగၵࠤቱఇ๕੗ ీ࿮݆ኟ‫߾׉‬ፕă ჋ስ2ǖ ೋᅎRSENSE‫ۉ‬უ ±5%‫ۉڦ‬ᇸ‫ۉ‬უՎࣅሞILED ฉׂิ±12%‫ڦ‬ဃֶă ߸ߛV ‫ۉ‬უ੗ᅜ SENSE ߀৊ኄዖጒ઄ă ࢔ࡻ‫ڦ‬ਸୟ/‫܌‬ୟLEDԍࢺă ُྔLjᆶၵICਏᆶଷᅃ߲ FBएጚ(FB_OVP*Lj‫ړ‬FB ืߛ50 mV዁100 mV‫؜ג‬ ኟ‫׉‬຤ೝ้Lj໲ࣷ૬न ্ᆩਸ࠲ăኄᄣ੗ᅜԍኤ क़ၶႠࠤቱ೺क़‫ڦ‬ፌ‫ٷ‬ LEDࡗୁă ᆯᇀFBᆅগධ඗ۙব዁ 600 mVLjPGOODᆅগ ኟ‫߾׉‬ፕă ໯ᆶࠤቱఇ๕ኟ‫߾׉‬ፕă MS-2437 ৛ඓ‫ۙୁۉ‬ব‫ڦ‬ଷᅃ߲࠲॰๟ॠ֪‫ۉ‬ፆ‫ڦ‬๢‫ړ‬քਆࢅք ၍ăሞ‫ٱ‬ဃ‫ۅڦ‬ॠ֪޿‫ۉ‬ፆ੗ీࣷሞFBᆅগׂิຕࡹ ‫ڦޚ‬ဃֶLjܸٗ‫ޗٷ‬ই‫گ‬LED৛‫܈‬ă4ᆅগॠ֪‫ۉ‬ፆ๟ ૙ၙኮ჋Lj‫ׯڍ‬ԨԲডӆࡍă඗ܸLjኻᄲ֑ᆩଆࡻ‫ڦ‬ք ਆք၍रຍLjఫ஺૧ᆩ‫د‬ཥ2ᆅগ‫ۉ‬ፆᄺీइ‫ߛڥ‬৛ ‫܈‬ăMarcus O’Sullivan݀՗ࡗᅃೊ࠲ᇀ޿ዷ༶‫؜ڦ‬෥࿔ቤǖ h t t p ://www.analog.com/cn/analog-dialogue/articles/ optimize-high-current-sensing-accuracy.html ཮9. RSENSE‫ॺڦ‬ᅱPCBጽ၍ୟ০4 LED‫ۙୁۉ‬ব࢔०‫ڇ‬ăኈኟ‫ڦ‬཈቟ሞᇀް዆ጆᆩLEDই უۙবഗ‫ڦ‬໯ᆶ዇ీ༬Ⴀăᅃၵ‫׉‬९‫ڦ‬༬ႠԈઔǖLED ‫܌‬ୟ/ਸୟࠤቱԍࢺĂRSENSEਸୟ/‫܌‬ୟࠤቱԍࢺĂPWM ۙ࠼Ăఇెۙ࠼ࢅ‫ୁۉ‬ች‫ݓ‬ඤԍࢺă Քጚইუገ࣑ഗ‫ت‬૙‫܌‬ୟईਸୟLEDཚ‫׉‬ுᆶ࿚༶ă‫܌‬ ୟLEDૌຼᇀᅃ߲‫گ‬უ޶ሜLjইუICۙኝ቞੣Բઠց ‫׋‬ăਸୟLEDሞইუICੂઠૌຼᇀᅃ߲ਸୟ޶ሜLjᅺُ ໲༵ࠃፌ‫ٷ‬቞੣ԲLjVOUTื዁ፌ‫ٷ‬ኵ)‫ڍ‬փߛᇀVIN*Lj‫ڍ‬ փ๼ໃࠀ୲ăඪᅃዖ൧઄‫ۼ‬փᆖၚဣཥాඪࢆև‫ڦݴ‬Ҿ ඇă‫ڍ‬ഔ‫ࢫۯ‬LEDक़ၶ‫܌‬ୟईਸୟሶࣷሰ‫ׯ‬࿚༶Ljߵᇸ ሞᇀ๼‫ۉ؜‬უă‫ړ‬LED‫܌‬ୟईਸୟLEDዘႎ૶থ้Lj๼ ‫ۉ؜‬ඹዐ‫ئ‬٪‫ీڦ‬ଉࣷᆅഐ਎‫ٷ‬ષᆥ‫ୁۉ‬ཚࡗLEDă ੊୯LED‫཭ز‬඗‫܌‬ୟ‫ڦ‬൧ႚăইუۙবഗ੦዆቞੣Բᅜ ༵ࠃ࢛ۨFB‫ۉ‬უLj৊ׂܸิ࢛ۨ‫ୁۉ‬ཚࡗLEDăُ‫ୁۉ‬ ሞLED‫ز‬ฉׂิᅃۨ‫ڦ‬ኟၠ‫ۉ‬უ(VF*Ljᅺُইუ๼‫ۉ؜‬ ඹ؊‫ۉ‬዁VOUT = VF + VFBăසࡕ‫ز‬ዐ‫ڦ‬గ߲LED‫܌‬ୟ‫ڞ‬ ዂVF཭඗ူইLj๼‫ۉ؜‬ඹ৽ࣷၠLED‫ୁۉࠃ༵ز‬ăُ‫ۉ‬ ୁ‫ڪ‬ᇀIC = C ΔVf/Δt(Δt࢔ၭLjCᅃӯ࢔‫ٷ‬Ljణ‫ڦ‬๟৑੗ ీই‫گ‬ইუLC୳հഗዐ‫ڦ‬LLjᅪ࿆ጣIC੗ీ‫*ٷ׉ݥ‬ăํ ૩ස཮10໯๖ă Page 246 MS-2437 ཮10. ‫܌ܔ‬ୟLED‫ڦ‬ၚᆌ)COUT = 10 μFLjL = 47 μH* क़ၶ܏ਸ‫ڦ‬LED‫ز‬٪ሞૌຼ࿚༶ǖVOUT؊‫ۉ‬዁ፌ‫ٷ‬ኵă ඗ࢫLj‫ړ‬LEDዘႎ૶থ้Lj਎‫ڦٷ‬ષᆥ‫ୁۉ‬኱ཚLEDă ඗ܸLjසࡕுᆶ๼‫ۉ؜‬ඹLj࿚༶ᄺॽփ٪ሞă࿢்๟‫ޏ‬ ߎᅎ‫أ‬ইუۙবഗ຺߲࠲॰ᇮॲኮᅃǛ႞ሏ‫ڦ‬๟LjLED փ࠲႐๟‫ޏ‬ᆶᅃۨ‫ڦ‬࿖հLjܸ‫ݒ‬ઍ࣍ୟࣷඓԍೝ਩LED ‫ୁۉ‬ධ඗၎ཞăᅺُLjཚࡗᅎ‫ۉأ‬ඹLj࿢்঴ਦକᅃၵ യሞ‫ڦ‬࿚༶Ljժবูড‫ٷ‬և‫ڦݴ‬࿿ଙ(BOM*ă၄ሞLj LED‫ྜୁۉ‬ඇ‫ڪ‬ᇀ‫ୁۉߌۉ‬Lj‫ୁۉߌۉ‬ฉ‫ڦ‬࿖հ‫ݒ‬ᆙሞ FB‫ۉ‬უዐă VIN M1 DH M2 DL IL L IL IL=ILED AVG Time ILED COMP FB FB_REF Buck Regulator IC Vsense Rsense Vsense AVG Time ཮11. ࿮COUT‫ڦ‬ইუLEDൻ‫ۯ‬ഗ֡ፕ ཮12. ‫ܔ‬क़ၶ‫܌‬ୟLED‫ڦ‬ၚᆌ(COUT = 10 ࢅCOUT = ਸୟ) ཮13. ‫ܔ‬क़ၶਸୟLED‫ڦ‬ၚᆌ(COUT = 10 ࢅCOUT = ਸୟ) ၩ‫أ‬COUT࣏ᆶᅃ߲ࡻ‫ت‬ǖᆯᇀILED = ILLjժ൐IL๴‫࢔ڟ‬ ࡻ‫ڦ‬੦዆)ᅺྺইუIC঱૰၌዆ፌ‫*ୁۉߌۉٷ‬Ljᅺُ LEDᆼ‫ܠ‬କᅃዘҾඇԍቱăLED‫ୁۉ‬ਨփࣷ‫ࡗג‬ইუۙ বഗ‫ރڦ‬ኵ‫ୁۉ‬၌ኵă‫ܔ‬ᇀADP2441Ljُ၌ኵྺ1.7 A )‫ۆ‬႙ኵ*Ǘ‫ܔ‬ᇀADP2384Ljُ၌ኵྺ6.1 A)‫ۆ‬႙ኵ*ăኄ ੗ᅜᆩᇀଷᅃዖࠤቱ൧ႚǖRSENSEक़ၶ‫܌‬ୟă RSENSE‫܌‬ୟईFBᆅগ‫܌‬থ‫ڟ‬GNDLj੗ీ‫ټ‬ઠሚవႠࢫ ࡕǖ቞੣Բื዁ፌ‫ٷ‬ኵLjܸٗ๼ໃፌ‫୲ࠀٷ‬Lj‫ڞ‬ዂVIN ํाฉ኱থแेᇀLEDăኄॽዂ๑փ๴੦൐‫ۉڦߛ׉ݥ‬ ୁཚࡗLEDă‫ܠ‬ຕইუۙবഗࣷ၌዆ُፌ‫ୁۉٷ‬Ăഄ‫ރ‬ ኵ‫ୁۉߌۉ‬Ljईኁ৊෇‫ٶ‬ᙯԍࢺఇ๕Lj‫ڍ‬ཚࡗၩ‫أ‬๼‫؜‬ ‫ۉ‬ඹLj࿢்ཞᄣీࠕԍࢺLEDփ๴ഔ‫ࢫۯ‬RSENSE‫܌‬ୟ‫ڦ‬ ᆖၚă ᅺُLj୼े߀ሰ‫ڦ‬ཞօইუྊ೫੗঴ਦ၎‫׉ڦܠړ‬९ LEDࠤቱă඗ܸLj‫ݐ‬๚‫ۼ‬๟ᆶ૧ՂᆶՁLjُ‫ڦت‬Ձ‫܋‬๟ ᆶ࿖հ‫ୁۉ‬ཚࡗLEDăُ࿖հ‫تୁۉ‬ሞ‫ڦߛ׉ݥ‬ೕ୲ )ਸ࠲ೕ୲Ljᅃӯ‫ٷ‬ᇀ300 kHz*Ljᅺُփࣷᆶ੗९‫ڦ‬෻ຮ ࢅ੗ད‫ڦڟ‬ሯำăኈኟ‫ڦ‬࿚༶๟ᄲඓԍLEDփ‫ࡗג‬ፌ‫ٷ‬ ‫ۨܮୁۉ‬ኵă޿ኵሞ‫ܠٷ‬ຕLEDຕ਍๮֩ฉডྺఇࢵă Ⴙ‫ܠ‬LEDຕ਍๮֩ࣷኸۨષᆥ‫ۨܮୁۉ‬ኵࢅ኱ୁ‫ܮୁۉ‬ ۨኵLj‫ڍ‬ཚ‫׉‬փࣷภत኱ୁኵኮฉ‫ߛڦ‬ೕ࿖հă Page 247 ፌҾඇ‫݆ݛڦ‬๟ඟLED࿖հ‫ރڦ‬ኵ‫گ‬ᇀLED‫ڦ‬኱ୁ‫ۨܮ‬ ኵLjኄᅪ࿆ጣᄲ཈჋ᅃ߲ডߛኵ‫ߌۉڦ‬ઠ๑࿖հডၭă ኄዖ‫ߌۉ‬ᄲ஺؅٫ড‫ٷ‬Ljᄲ஺ਏᆶডߛ‫ۉ‬ፆ(DCR*ăଷ ᅃዖӸ݆๟‫ߌۉ‬ԍ‫׼‬փՎLj‫ڍ‬჋ስ߸ߛ‫ڦ‬ਸ࠲ೕ୲๑‫ۉ‬ ୁ࿖հԍ‫׼‬ডၭă඗ܸLjኄ༵ࣷߛਸ࠲ࠀࡼăᅺُLjස ࡕLED‫ڦ‬ፌ‫ୁۉۨܮٷ‬থৎ೺ྭ๼‫ڦ؜‬ፌ‫ٷ‬ೝ਩‫ୁۉ‬Lj ሶӱ௬ओĂ‫ׯ‬Ԩईࠀࡼ੗ీᄲ๴ᆖၚă ዇ీLEDൻ‫ۯ‬ഗ‫ڦ‬ଷᅃ߲࠲॰ᄲ൱๟ۙ࠼੦዆ăLEDۙ ࠼‫ྺݴ‬ଇૌǖPWMࢅఇెăPWMۙ࠼ᅜஞ؋‫ݛ‬๕๼‫؜‬ LED‫ୁۉ‬ăසࡕೕ୲ߛᇀሀ120 HzLjටᄅࣷ਩࢚ኄၵஞ ؋Ljᅜׂิ੗ߌኪ‫ڦ‬ೝ਩࠼‫܈‬ăఇెۙ࠼ӀԲ૩ۙኝ LED‫ୁۉ‬Lj޿኱ୁ๔ዕփՎ(dc*ă ྺํ၄PWMۙ࠼Lj੗ᅜ֭෇ᅃ߲NMOSᇑRSENSE‫૴ز‬Lj ඗ࢫਸഔࢅ࠲ԿNMOSăኄՂॽׂิஞ؋๕๼‫ୁۉ؜‬Lj ‫ڍ‬ሞኄዖ‫ୁۉ‬຤ೝLj࿢்Ⴔᄲ๑ᆩࠀ୲NMOSăሺेᅃ ߲ኄᄣ‫ڦ‬ഗॲ৽ࣷ‫ڸ‬ၩইუۙবഗాዃࠀ୲ਸ࠲‫ټ‬ઠ ‫ڦ‬؅٫ࢅ‫ׯ‬Ԩฉ‫تࡻڦ‬ăଷᅃ‫ݛ‬௬Ljཚࡗ੺໏ਸ࠲ই უۙবഗLj߸ඹᅟํ၄PWMۙ࠼ă‫ܔ‬ᇀ‫گ‬PWMೕ୲ (<1 kHz*Ljኄᄣධ඗੗ᅜ༵ࠃଆࡻ‫ڦ‬৛‫཮)܈‬14*ă MS-2437 ၟ໯ᆶཚᆩইუۙবഗᅃᄣLjADP2384ுᆶᆅগઠᆌᆩ PWMۙ࠼๼෇Lj‫ڍ‬੗ᅜ֡੦FBᆅগઠ๑ీࢅ্ᆩਸ ཮14. ADP2384 PWMۙ࠼၍Ⴀ‫܈‬ ࠲ăසࡕFBՎྺߛ‫ۉ‬ೝLjሶဃֶ‫ٷݣ‬ഗՎྺ‫ۉگ‬ೝLj ইუਸ࠲ཕኹăසࡕॽFB૶থ‫ڟ‬RSENSELjሶ໲ॽ࣬ްኟ ‫ۙ׉‬বăኄ੗ᅜཚࡗၭ႑ࡽ)‫)ୁۉگ‬NMOSईཚᆩܾट ࠶ํ၄ăසࡕ֑ᆩNMOSLjߛ‫ۉ‬ೝPWM႑ࡽॽRSENSE‫܌‬ থ‫ڟ‬FBLjܸٗ๑ీLEDۙবă‫ۉگ‬ೝPWM႑ࡽ࠲Կ NMOSLjᅃ߲ฉઙ‫ۉ‬ፆॽFBՎྺߛ‫ۉ‬ೝăසࡕ֑ᆩܾट ࠶Ljߛ‫ۉ‬ೝPWM႑ࡽփׂิLED‫ୁۉ‬Ljኄᇑཚ‫ݔࡀ׉‬ ၎Բᆶ‫ۅ‬஌ࢫă཮15၂๖କኄଇዖ঴ਦ‫ݣ‬నă VOUT ILED=1R5s0enmsVe PWM AGND Vcc BST 150 mV Rsense FB VIN ADP2441 COMP SW L VIN EN PGND PGOOD FREQ SS/TRK 150 mV VCC ADR5040 VOUT VIN SW PGND PGND PGND PGND PGND PGND SW BST PVIN PVIN PVIN SS SYNC RT PGOOD EN PVIN ADP2384 SW SW GND VREG FB COMP L VOUT ILED=1R0s0enmsVe 100 mV PWM Rsense 100 mV VREG ཮15. PWMۙ࠼჋ስ Page 248 MS-2437 ໚඗PWMۙ࠼‫ୁ׉ݥ‬ႜLj‫ڍ‬ᆶ้࿢்Ⴔᄲ࿮ሯำ‫ڦ‬ఇ ెۙ࠼ăఇెۙ࠼ۙኝLED‫ୁۉ‬LjܸPWMۙ࠼ሶ৊ႜ ቘհăසࡕ๑ᆩଇୟۙ࠼๼෇LjሶᄺႴᄲఇెۙ࠼ăሞ ଷᅃ߲PWMۙ࠼႑ࡽኮฉᆌᆩPWMۙ࠼੗ీׂࣷิಆ ೕLj‫ڞ‬ዂ࠼၍෻ຮई੗ད‫ڦڟ‬ሯำăᅺُLj੗ॽPWM ᆩᇀᅃዖۙ࠼੦዆Ljܸॽఇెᆩᇀଷᅃዖۙ࠼੦዆ă‫ܔ‬ ᇀཚᆩইუۙবഗLjํ၄ఇెۙ࠼‫ڦ‬ፌ०‫݆ݛڇ‬๟֡੦ മ௬ࠓॺ‫ڦ‬FBएጚ‫ۉ‬უᇸLj๑ఇెۙ࠼੦዆‫ۉ‬უ‫ྺׯ‬ FBएጚ‫ۉ‬უۙኝ‫ۉ‬ୟ‫ۉڦ‬ᇸă ཮16. PWMۙ࠼հႚ VOUT DIM ILED=VRsseennssee Vsense R1 R2 600 mV Rsense AGND Vcc BST FB VIN ADP2441 COMP SW EN PGND PGOOD FREQ SS/TRK L VOUT VIN VIN SW PGND PGND PGND PGND PGND PGND SW BST PVIN PVIN PVIN ADP2384 SW SW GND VREG FB COMP L VOUT ILED=RVsesnsse Rsense SS SYNC RT PGOOD EN PVIN Vss DIM ཮17. ఇెۙ࠼‫ۉ‬ୟ Page 249 LED‫ڦ‬๑ᆩ๱ంሞ࢔‫܈ײٷ‬ฉൽਦᇀഄ߾ፕ঳࿒Ljᅺُ ᆶ้ՂႷ॔੦LED࿒‫܈‬Ljසࡕ࿒‫ߛࡗ܈‬LjՂႷፔ‫؜‬ၚ ᆌă‫ڞ‬ዂᅴ‫ߛ׉‬࿒‫ڦ‬ᇱᅺ੗ీ๟ොඤഗ૶থփ‫ړ‬ĂዜՉ ࿒‫ࡗ܈‬ඤईഄ໱ᅃၵट‫܋‬ཉॲă‫׉‬९঴ਦ‫ݛ‬ӄ๟ሞ‫ړ‬࿒ ‫ࡗג܈‬గ߲ពኵ้३ၭLED‫ୁۉ‬ăኄዖ‫ྺ׬݆ݛ‬LEDඤ ች‫ݓ‬ă 100% MS-2437 ጚ‫ۉ‬უLjሶ༵ࠃፌ‫ୁۉٷ‬ăසࡕNTC‫ۉ‬ፆ‫ۉ‬უই዁एጚ ‫ۉ‬უᅜူLjሶFBएጚ‫ۉ‬უ)ᅺܸLED‫*ୁۉ‬ই‫گ‬ă ࿢்࣏੗ᅜ૧ᆩRSENSEೋᅎ‫ํ݆ݛ‬၄໯Ⴔ‫ڦ‬࿒‫࠼ۙ܈‬൸ ၍ă‫ܔ‬ᇀኄዖ‫݆ݛ‬Lj࿢்ߑߑ૧ᆩNTCࠓॺକᅃ߲‫ۉ‬ፆ ‫ݴ‬უഗăُ‫ۉ‬ፆ‫ݴ‬უഗཚࡗᅃ߲ၭ႑ࡽܾट࠶૶থ‫ڟ‬ FBᆅগăܾट࠶‫ݞ‬ኹ‫ۉ‬ፆ‫ݴ‬უഗፕᆩᇀFBᆅগLj኱዁ ‫ݴ‬უഗ‫ٷڟٳ‬ሀ600 mV + VFăۙ࠼৛‫܈‬ᆶ໯ই‫گ‬Lj‫ڍ‬ ঳ࡕ၎‫཮(ࡻړ‬20)ă LED Current T1 LED Board Temperature (C) ཮18. ೺ྭ‫ڦ‬LEDඤች‫ݓ‬൸၍ ሞُૌۙ࠼ዐLj࿢்ထྭLEDᅃ኱ᅜፌߛ‫߾ୁۉ‬ፕLj኱ ዁‫ڟٳ‬గᅃ࿒‫܈‬ពኵ)཮18ዐᆩT1՗๖*ăሞ޿ពኵLjໜ ጣ࿒‫ߛ༵܈‬Lj࿢்ਸ๔ই‫گ‬LED‫ୁۉ‬ăኄᄣ੗ᅜ၌዆ LED‫ڦ‬঳࿒Ljԍ‫׼‬໲்‫ڦ‬๑ᆩ๱ంă‫ׯگ‬ԨNTC)޶࿒ ‫܈‬ဣຕ*‫ۉ‬ፆཚ‫׉‬ᆩᇀ֪ଉLEDොඤഗ࿒‫܈‬Lj‫ܔ‬࿢்‫ڦ‬ ఇెۙ࠼‫ݛ‬ӄฎፕႪ߀৽ీൟ຿૧ᆩኄዖNTCăසࡕ๑ ᆩSS/TRKᆅগ੦዆FBएጚLjሶ०‫݆ݛڇ‬๟ॽNTCᇑए ጚ‫ۉ‬უժ૴‫ݣ‬ዃ)཮19*ă ཮19. ๑ᆩSS/TRKᆅগ‫ڦ‬LEDඤች‫ݓ‬ NTCᇑR3ႚ‫ׯ‬ᅃ߲‫ۉ‬ፆ‫ݴ‬უഗăໜጣොඤഗ࿒‫ื܈‬ ߛLjNTC‫ۉ‬ፆူইăසࡕNTC‫ۉ‬ፆ‫ݴ‬უഗ‫ۉڦ‬უߛᇀए ཮20. ๑ᆩRSENSEೋᅎरຍ‫ڦ‬LEDඤች‫ݓ‬ ኄၵरേᆌ޿ፕྺ๑ᆩՔጚইუۙবഗํ၄࠽‫ݘ‬LEDࠀ ీ‫ڦ‬ᅃӯኸ‫ڞ‬ጚሶăᆯᇀኄၵࠀీ୼ྲ‫؜ג‬ইუIC‫ڦ‬ణ Քᆌᆩ‫ྷݔ‬Ljᅺُᆩࢽፌࡻ૴ဣӷ‫༹ڞ‬዆ሰฆLjඓණIC ీ ࠕ ‫ ت‬૙ ኄ ၵ ߾ ፕ ఇ ๕ ă ᇡ କ ঴ ᆶ ࠲ ADP2441ࢅ ADP2384‫ܠ߸ڦ‬႑တLjईኁႴᄲኄၵLEDൻ‫ۯ‬ഗ঴ਦ‫ݛ‬ ӄ‫ڦ‬ᄇ๖ӱLj൩‫ݡ‬࿚http://www.analog.com/cn/lightingă ֖੊࿔၅ 1 DOE SSL 2011዆ሰୟ၍཮ (ssl.energy.gov)ă 2 David CoxLjDon HirshࢅMichael McClinticăĐ๟‫ޏ‬๑ᆩ ౞໯ኧ޲‫ڦ‬໯ᆶୁ௽ǛđĖLEDሗኾėLj2012౎2ሆă 3 Ken MarascoăĐሞဣཥዐ‫ࠀׯ‬ሏᆩDC-DCইუۙবഗăđ Ėఇె‫ࣆܔ‬ėLj‫ڼ‬45ਝLj2011౎6ሆă 4 Marcus O’SullivanăĐ߀৊‫گ‬ኵ‫ۉୁݴ‬ፆ‫ࡰڦ‬ಎքਆLjᆫࣅ ߛ‫ୁۉ‬ॠ֪৛‫܈‬ăđĖఇె‫ࣆܔ‬ėLj‫ڼ‬46ਝLj2012౎6ሆă One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com Trademarks and registered trademarks are the property of their respective owners. TA11278sc-0-4/13(A) Page 250 www.analog.com/cn ©2013 Analog Devices, Inc. ԍା໯ᆶ඄૧ă

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