Choke network designNotes On Choke Network DesignApplication Note A001DC BIAS CIRCUITRY/SUPPLYIntroduction Choke networks are sections of high frequency circuits whose purpose is to ensure that the correct DC operating point (VIN, IIN, VOUT, IOUT) is supplied to an active device without allowing the DC supply circuitry to present an improper high frequency termination to that device. They serve a function that is complementary to that of DC blocking capacitors, which prevent the high frequency source and load resistances from improperly loading the DC supply circuitry while still passing the AC input and output signals. Circuit designers often think of choke systems as DC pass networks that are simultaneously high frequency reject networks. This is an oversimplified definition that can lead the designer ……
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