TDA7402 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7402' PDF : 69 Pages View PDF
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
t(s) G1
6
dB
G2
uc GBPMP Bandpass gain
G3
12
dB
16
dB
rod G4
18
dB
P G1
te GRECTM Rectifier gain
G2
le P
G3
7.6
dB
4.6
dB
0
dB
bso ICHMP Rectifier charge current
0.25
µA
0.5
- O IDISMP Rectifier discharge current
4
mA
t(s) Quality detector
Obsolete Produc A Multipath influence factor
00
0.70
01
0.85
10
1.00
11
1.15
37/69
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