TDA7512 Datasheet, PDF (38/42 Pages) STMicroelectronics – AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS

TDA7512
Block Diagram Quality Detection Principle (without overdeviation correction)
Table 34.
Signal
ac
ac+
sm
dev
dev+
inton
int80
LOW
No adjacent channel
No strong adjacent channel
Fieldstrength higher as softmute threshold
Deviation lower as threshold DWTH
Deviation lower as threshold DTH*DWTH
ISS filter off by logic (wide)
ISS filter 120kHz (mid)
HIGH
Adjacent channel present
Adjacent channel higher as ac
Fieldstrength lower as softmute threshold
Deviation higher as threshold DWTH
Deviation higher as threshold DTH*DWTH
ISS filter on by logic
ISS filter 80kHz (narrow)
Table 35.
Input Signals
ac
ac+
sm
dev
0
0
0
0
0
0
0
1
0
0
0
1
0
0
1
0
0
0
1
1
0
0
1
1
1
0
0
0
1
1
0
0
1
0
0
1
1
1
0
1
1
0
1
0
1
1
1
0
1
0
1
1
1
1
1
1
1
0
1
1
1
1
1
1
Mode1
Mode2
dev+
inton
int80
Function
inton
int80
Function
0
0
0
wide
0
0
wide
0
0
0
wide
0
0
wide
1
0
0
wide
0
0
wide
0
1
1
narrow
1
1
narrow
0
0
0
wide
1
0
mid
1
0
0
wide
0
0
wide
0
1
1
narrow
1
0
mid
0
1
1
narrow
1
1
narrow
0
1
0
mid
1
0
mid
1
1
0
mid
1
1
narrow
0
1
1
narrow
1
1
narrow
0
1
1
narrow
1
1
narrow
0
1
0
mid
1
0
mid
0
1
0
mid
1
1
narrow
1
1
0
mid
1
0
mid
1
1
0
mid
1
1
narrow
Part List (Application- and Measurment Circuit)
Table 36.
Item
F1
F2
F3
F4
F5
L1
L2,L4
L3,L8
L5
Description
TOKO 5KG 611SNS-A096GO
TOKO 5KM 396INS-A467AO
TOKO MC152 E558HNA-100092
TOKO 7PSG 826AC-A0022EK=S
TOKO PGL 5PGLC-5103N
TOKO FSLM 2520-150 15µH
TOKO FSLM 2520-680 68µH
SIEMENS SIMID03 B82432 1mH
TOKO LL 2012-220
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