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TDA7421 Datasheet(PDF) 30 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) 30 Page - STMicroelectronics

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FRONT END ADJUSTMENT (subaddress 05H)
MSB
LSB
FUNCTION
ANA3
ANA2
ANA1
ANA0
RFA3
RFA2
RFA1
RFA0
ant
adjustm
MSB
ant
adjustm
ant
adjustm
ant
adjustm
LSB
RF
adjustm
MSB
RF
adjustm
RF
adjustm
RF
adjustm
LSB
Voffset RF varicap /
VPLL
X
000
0
0
001
-3.6%
0
010
-7.2%
0
1
0
0
-14.3%
0
111
-25%
1
001
3.6%
1
010
7.2%
1
100
14.3%
1
111
25%
all combinations allowed
V offset antenna varicap
/ VPLL
X
000
0
0
001
-3.6%
0
010
-7.2%
0
1
0
0
-14.3%
0
111
-25%
1
001
3.6%
1
010
7.2%
1
100
14.3%
1
111
25%
all combinations allowed
TDA7421
30/38



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