TDA7513T_07 Datasheet, PDF (58/84 Pages) STMicroelectronics – Single chip FM/AM tuner with stereo decoder and audio processor

Software specifications
TDA7513T
Table 48. Subaddress 14: Quality detection adjacent channel
MSB
LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
ISS Filter for WB
0 ISS filter 30KHz OFF
1 ISS filter 30KHz ON
ISS Adjacent Channel filter configuration
0
AC highpass frequency 100KHz
1
AC bandpass frequency 100KHz
AC gain
0
32dB
1
38dB
ISS Adjacent Channel threshold
0
0
0
AC wide band threshold 0.25V
0
0
1
AC wide band threshold 0.35V
0
1
0
AC wide band threshold 0.45V
1
1
1
0
0
0
1
1
0
1
1
AC wide band threshold 0.95V
AC narrow band threshold 0V
AC narrow band threshold 0.1V
AC narrow band threshold 0.2V
AC narrow band threshold 0.3V
Table 49. Subaddress 15: Quality detection multipath and Smeter test
MSB
LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
ISS Multipath control enabling
0 Multipath control ON
1 Multipath control OFF
ISS Multipath filter center frequncy
0
MP Bandpass frequency 19KHz
1
MP Bandpass frequency 31KHz
ISS Multipath filter input selector (test mode)
0
Smeter unfilt test OFF
1
Smeter unfilt test ON
ISS Multipath threshold
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