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參數(shù)資料
| 型號： | TDA7512 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | TQFP-64 |
| 文件頁數(shù)： | 32/43頁 |
| 文件大小： | 833K |
| 代理商： | TDA7512 |
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TDA7512
38/42
Block Diagram Quality Detection Principle (without overdeviation correction)
Part List (Application- and Measurment Circuit)
Table 34.
Signal
LOW
HIGH
ac
No adjacent channel
Adjacent channel present
ac+
No strong adjacent channel
Adjacent channel higher as ac
sm
Fieldstrength higher as softmute threshold
Fieldstrength lower as softmute threshold
dev
Deviation lower as threshold DWTH
Deviation higher as threshold DWTH
dev+
Deviation lower as threshold DTH*DWTH
Deviation higher as threshold DTH*DWTH
inton
ISS filter off by logic (wide)
ISS filter on by logic
int80
ISS filter 120kHz (mid)
ISS filter 80kHz (narrow)
Table 35.
Input Signals
Mode1
Mode2
ac
ac+
sm
dev
dev+
inton
int80
Function
inton
int80
Function
00
0
wide
0
wide
00
01
00
0
wide
0
wide
00
01
10
0
wide
0
wide
0
1
0
1
narrow
1
narrow
00
11
00
0
wide
1
0
mid
00
11
10
0
wide
0
wide
1
0
1
narrow
1
0
mid
1
0
1
narrow
1
narrow
10
01
0
mid
10
mid
1
0
1
0
mid
1
narrow
1
0
1
0
1
narrow
1
narrow
1
0
1
narrow
1
narrow
10
11
01
0
mid
10
mid
1
0
1
0
mid
1
narrow
10
11
0
mid
10
mid
1
0
mid
1
narrow
Table 36.
Item
Description
F1
TOKO 5KG 611SNS-A096GO
F2
TOKO 5KM 396INS-A467AO
F3
TOKO MC152 E558HNA-100092
F4
TOKO 7PSG 826AC-A0022EK=S
F5
TOKO PGL 5PGLC-5103N
L1
TOKO FSLM 2520-150 15H
L2,L4
TOKO FSLM 2520-680 68H
L3,L8
SIEMENS SIMID03 B82432 1mH
L5
TOKO LL 2012-220
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