nRF905 is a single-chip radio transceiver for the 433/868/915 MHz ISM band. Thetransceiver consists of a fully integrated frequency synthesiser, receiver chain withdemodulator, a power amplifier, a crystal oscillator and a modulator. TheShockBurstTM feature automatically handles preamble and CRC. Configuration iseasily programmable by use of the SPI interface. Current consumption is very low, intransmit only 11mA at an output power of -10dBm, and in receive mode 12.5mA.Built in power down modes makes power saving easily realizable.• True single chip GFSK transceiver in a small32-pin package (32L QFN 5x5mm)• ShockBurst™ mode for low power operation• Power supply range 1.9 to 3.6 V• Multi channel operation – ETSI/FCCCompatible• Channel switching time <650µs• Extremely low cost Bill of Material (BOM)• No external SAW filter• Adjustable output power up to 10dBm• Carrier detect for "listen before transmit"nrf905应用电路图protocols• Data Ready signal when a valid data packageis received or transmitted• Address Match for detection of incomingpackage• Automatic retransmission of data packages• Automatic CRC and preamble generation• Low supply current (TX), typical 11mA @ -10dBm output power• Low supply current (RX), typical 12.5mA• Wireless data communica• Alarm and security system• Home Automation• Remote control• Surveillance• Automotive• Telemetry• Industrial sensors• Keyless entry• Toys
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