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TDA7513 数据表(PDF) 37 Page - STMicroelectronics |
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TDA7513 数据表(HTML) 37 Page - STMicroelectronics |
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37 / 58 page ![]() 37/58 TDA7513 SUBADDRESS 7: FM RF Adjustment AM Prescaler and Seek SUBADDRESS 8 : IF Counter Control 1 and AM S.S. Threshold MSB LSB FUNCTION D7 D6 D5 D4 D3 D2 D1 D0 FM RF adj (proportional to Vtuning) 0111 1 -30% 0111 0 -28% --- -- - - - - 0000 1 -2% 0000 0 -0% 1000 0 +0% 1000 1 +2% --- -- - - - - 1111 0 +28% 1111 1 +30% AM VCO divider ratio 00 10 01 8 10 6 11 4 SEEK MODE 0 Seek OFF 1 Seek ON MSB LSB FUNCTION D7 D6 D5 D4 D3 D2 D1 D0 IF COUNTER CONTROL 0 0 0 Not valid 0 0 1 Not valid 0 1 0 Not valid 01 1 ∆f = 6.25kHz (FM) 1kHz (AM UPC) 10 0 ∆f = 12.5kHz (FM) 2kHz (AM UPC) 10 1 ∆f = 25kHz (FM) 4kHz (AM UPC) 11 0 ∆f = 50kHz (FM) 8kHz (AM UPC) 11 1 ∆f = 100kHz (FM) 16kHz (AM UPC) 0 IF counter disable/stand by 1 IF counter enable AM Stop Station Threshold 000 0 0mV 0 0 0 1 150mV --- -- - - - - 1 1 1 0 2100mV 1 1 1 1 2250mV |
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