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TDA7541B Datasheet, PDF (64/77 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system | |||
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Software specification
Table 38. Addr 21 SD Quality (FFM 7Ah, AM FAh)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
QDC<1:0>
0 0 Quality detector coefficient a=0,6
-
- - - - - 0 1 Quality detector coefficient a=0,75
1 0 Quality detector coefficient a=0,9
1 1 Quality detector coefficient a=1,05
QNG<3:2>
00
Quality noise gain =6 dB
-
- - - 01 -
- Quality noise gain =9 dB
10
Quality noise gain =12 dB
11
Quality noise gain =15 dB
NBDC<5:4>
00
Noise blanker deviation adjust 2.0 V
-
- 01 - - -
- Noise blanker deviation adjust 1.5 V
10
Noise blanker deviation adjust 1.0 V
11
Noise blanker deviation adjust âOFFâ
NBFC<7:6>
0
0
Noise blanker field strength adjust 2.0 V
0
1- -
-
-
-
- Noise blanker field strength adjust 1.6 V
1
0
Noise blanker field strength adjust 1.4 V
1
1
Noise blanker field strength adjust âOFFâ
TDA7541B
64/77
Doc ID 16048 Rev 1
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