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TDA7421 Datasheet(PDF) 28 Page - STMicroelectronics

Part # TDA7421
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

TDA7421 Datasheet(HTML) 28 Page - STMicroelectronics

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FM STOP STATION / FM IF AGC (subaddress 01H)
MSB
LSB
FUNCTION
FAG2
FAG1
FAG0
FAG4
FSS3
FSS2
FSS1
FSS0
fmifagc
MSB
fmifagc
fmifagc
LSB
fmstop
station
MSB
fmstop
station
fmstop
station
fmstop
station
fmstop
station
LSB
FM STOP STATION
THRESHOLD
0
0
0
0
0
Maximum sensitivity
X
X
XXX
• • •
1
1
1
1
1
Minimum sensitivity
all combinations allowed
FM IF AGC
THRESHOLD
0
0
0
Maximum sensitivity
XX
X
• • •
1
1
0
Minimum sensitivity
1
1
1
Keying AGC disabled
all combinations allowed
FM SMETER SLIDER (subaddress 02H)
MSB
LSB
FUNCTION
FSL4
FSL3
FSL2
FSL1
FSL0
fmsmeters
lider MSB
fmsmeterslider
fmsmeter
slider LSB
FM SMETER SLIDER
THRESHOLD (mV)
0
0
0
0
0
300 (baseline)
0
0
0
0
1
348.4 (+48.4)
0
0
0
1
0
396.8 (+96.8)
0
0
1
0
1
493.6 (+193.6)
0
1
0
0
0
687.2 (+387.2)
1
0
0
0
0
1074.4 (+774.4)
1
1
1
1
1
1800 (top)
all combinations allowed
TDA7421
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