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STB7003 数据表(PDF) 3 Page - STMicroelectronics |
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STB7003 数据表(HTML) 3 Page - STMicroelectronics |
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3 / 9 page ![]() 3/9 STB7003 GAIN SELECTION PINOUT BSW GC GSM LNA1 DCS/PCS LNA2 0 0 High gain Off 0 1 Low gain Off 1 0 Off High gain 1 1 Off Low gain Pin Number Symbol Description 1 PD Power down 2 AI1 GSM LNA1 input 3 GND Ground 4 AI2 DCS/PCSl LNA2 input 5 BSW Band switch between GSM and DCS/PCS RF output 6 VccDCS DCS Supply voltage 7 AO2 DCS/PCS LNA2 output 8 VccGSM GSM/BiAS Supply voltage 9 AO1 GSM LNA1 output 10 GC LNA1/2 gain control |
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