TDA7513T Datasheet, PDF (40/59 Pages) STMicroelectronics – SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR

TDA7513T
SUBADDRESS 13: Demodulator Fine Adjust and Noise Blanker, MP Qual test
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
Fm audio demodulator current adjust
0
0
0
0
0 0µA
0
0
0
0
1 0.167µA
-
-
-
-
--
0
1
1
1
1 2.51µA
1
0
0
0
0 0µA
0
0
0
0
1 0.167µA
1
-
-
-
--
1
1
1
1
1 2.51µA
Demodulator Noise Blanker AM Smeter extension
0
0
NB1&2 on (impvic&lontmas) old (10.7MHz)
0
1
NB1 on (impvicmas)
old (10.7MHz)
1
0
NB2 on (implontmas0
new (450kHz)
1
1
NB1&2 off
new (450kHz)
Multipath (ISS) test
MP test OFF
MP test ON (ISS quality detector MP input from
#ACinL, ISS MP filter+rect output to Smeter test muxer
if input 12 is selected
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
AC wide band threshold 0.95V
0
0
AC narrow band threshold 0V
0
1
AC narrow band threshold 0.1V
1
0
AC narrow band threshold 0.2V
1
1
AC narrow band threshold 0.3V
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