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TDA7421N Datasheet(PDF) 31 Page - STMicroelectronics

Part # TDA7421N
Description  AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7421N Datasheet(HTML) 31 Page - STMicroelectronics

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TDA7421N
7.3 FM STOP STATION / FM IF AGC (subaddress 01H)
7.4 FM SMETER SLIDER\IF2 AMPLIFIER (subaddress 02H)
MSB
LSB
FUNCTION
FAG2
FAG1
FAG0
FSS4
FSS3
FSS2
FSS1
FSS0
FM
ifagc
MSB
FM
ifagc
FM
ifagc
LSB
FM
stopstation
MSB
FM
stopstation
FM
stopstation
FM
stopstation
FM
stopstation
LSB
FM STOP STATION THRESHOLD
00000
Maximum sensitivity
XXXXX
11111
Minimum sensitivity
all combinations allowed
FM IF AGC THRESHOLD
0
0
0
Maximum sensitivity
XXX
1
1
0
Minimum sensitivity
1
1
1
Keyed AGC disabled
all combinations allowed
MSB
LSB
FUNCTION
FSL4
FSL3
FSL2
FSL1
FSL0
IF2A1
IF2A0
FMsmeter
slider
MSB
FMsmeter
slider
FMsmeter
slider
FMsmeter
slider
FMsmeter
sliderr
LSB
AM
if2Amp
MSB
AM
if2Amp
LSB
FM SMETERSLIDING (mV)
00000
0
00001
48
XXXXX
11111
1500
all combinations allowed
IF2 AMPLIFIER GAIN
0
0
50dB
0
1
53dB
1
0
56dB
1
1
59dB



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