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TDA7514 数据表(PDF) 39 Page - STMicroelectronics |
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TDA7514 数据表(HTML) 39 Page - STMicroelectronics |
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39 / 74 page ![]() 39/74 TDA7514 Table 32. SUBADDRESS 17: FM IF AMP Gain, ISS center frequency, Smeter / ISS test connections MSB LSB FUNCTION D7 D6 D5 D4 D3 D2 D1 D0 FM IF Amp1 gain 0 0 14 dB 0 1 18 dB 1 0 21.5 dB 1 1 not used FM IF Amp2 gain (10.7 MHz) [byte<28>bit<6>=0] 0 0 (7 dB) not used 0 1 9 dB 1 0 11 dB 1 1 15 dB FM IF Amp2 gain (450 kHz) [byte<28>bit<6>=1] 0 0 7 dB 0 1 7 dB 1 0 9 dB 1 1 not used ISS filter center frequency 0 0 430 kHz 1 0 440 kHz 0 1 450 kHz 1 1 460 kHz Unfiltered Smeter test connection 0std 1 unfilt Smeter users connected to #ACinL unfilt Smeter source disconnected form users ISS test MUXer connection 0std 1 ISS test MUXer (TMODE1) connected to #SMETERTC Smeter filt (60ms/1s) R disconnected from #SMETERTC |
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