參數(shù)資料
型號: TDA7402
廠商: STMICROELECTRONICS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁數(shù): 31/69頁
文件大?。?/td> 865K
代理商: TDA7402
TDA7402
Stereo decoder part
4.5
Multipath detector
4.5.1
Multipath detector features
internal 19kHz band pass filter
programmable band pass and rectifier gain
selectable internal influence on stereo blend and/or Highcut
Table 9.
Multipath detector electrical characteristics
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
fCMP
Center frequency of
multipath-bandpass
Stereo decoder locked
on pilot tone
19
kHz
GBPMP
Bandpass gain
G1
6
dB
G2
12
dB
G3
16
dB
G4
18
dB
GRECTM
P
Rectifier gain
G1
7.6
dB
G2
4.6
dB
G3
0
dB
ICHMP
Rectifier charge current
0.25
0.5
A
IDISMP
Rectifier discharge current
4
mA
Quality detector
AMultipath influence factor
00
01
10
11
0.70
0.85
1.00
1.15
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