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LA75521VA Datasheet(PDF) 12 Page - Sanyo Semicon Device

Part No. LA75521VA
Description  IF Signal Processing (VIFSIF) IC that Supports the PAL Video Standard for TV Sets and VCRs
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Maker  SANYO [Sanyo Semicon Device]
Homepage  https://www.sanyo-av.com/us/
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LA75521VA Datasheet(HTML) 12 Page - Sanyo Semicon Device

 
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LA75521VA
No.A1004-12/13
Continued from preceding page.
Pin
No.
Pin name
Function
Equivalent Circuit
22
AUDIO BIAS
FILTER
Connection pin for a filter used to hold the FM
detector output DC voltage fixed. Normally, a 1
μF
electrolytic capacitor should be used. The
capacitance (CI) should be increased if the low
band (around 50Hz) frequency characteristics
need to be improved.
23
FILTER
CONTROL C
Internal filter (trap) control pin
Connect a capacitor with a capacitance between
0.47 to 1
μF, depending on the video S/N as well
as the levels of the AM and PM noise.
24
AUDIO OUTPUT
Sound output pin
Emitter follower output
22
300
Ω
300
Ω
40k
Ω
40k
Ω
+
C1
23
24
1k
Ω


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