TDA7421 Datasheet, PDF (30/38 Pages) STMicroelectronics – AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS

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