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AT86RF211DAI-R 数据表(PDF) 5 Page - ATMEL Corporation |
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AT86RF211DAI-R 数据表(HTML) 5 Page - ATMEL Corporation |
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5 / 48 page ![]() 5 AT86RF211 1942C–WIRE–06/02 Block Diagram Figure 4. AT86RF211 Block Diagram SYNTHESIZER FREQUENCY CTRL CONTROL LOGIC WAKE-UP DATA SLICER BANDWIDTH CTRL RSSI LEVEL FM DISCRIMINATOR OPTIONAL FILTER IF2 FILTER 455 kHz PWR CTRL TX PA Optional These are the only blocks that depend on the selected ISM band (433, 868 or 915 MHz): dual band applications can be done by only switching them. Synthesizer, loop filter, IF filter(s), power supply decoupling are identical. GAIN MIN/MAX Rx AERIAL MATCHING CIRCUIT DATA MSG DATA CLK SDATA WAKE-UP SLE SCK IF2 AMP IF1 AMP MIXER2 IF1 FILTER 10.7 MHz or 21.4 MHz LNA MIXER1 TX/RX RF FILTER RPOWER OSC 10.245 MHz or 20.945 MHz |
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