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TDA7546 Datasheet(PDF) 46 Page - STMicroelectronics

Part # TDA7546
Description  Multichip module for TMC tuner applications
PDF  68 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7546 Datasheet(HTML) 46 Page - STMicroelectronics

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Software specifications
TDA7546
46/68
t
0
1
1
KAGC threshold 86dB
μV
1
0
0
KAGC threshold 88dB
μV
1
0
1
KAGC threshold 90dB
μV
1
1
0
KAGC threshold 92dB
μV
111
Keying AGC “OFF”
0
has to be “0”
Table 24.
Addr 15 FM AGC (continued)
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
Table 25.
Addr 16 not valid
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
1111111
1
has to be set
Table 26.
Addr 17 FM demodulator fine adjust
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
00000
0
0mV
00000
1
+8.5mV
00001
0
+17mV
------
-
01111
1
+263.5mV
10000
0
0mV
10000
1
-8.5mV
10001
0
-17mV
------
-
11111
1
-263.5mV
0
0
Spike cancelation ”OFF”
0
1
Threshold for spike cancelation 270mV
1
0
Threshold for spike cancelation 520mV
1
1
Threshold for spike cancelation 750mV



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