STV0056A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STV0056A' PDF : 26 Pages View PDF
STV0056A
GENERAL BLOCK DIAGRAM
From Tuner
From TV,
VCR/De code r
From Tuner
22kHz to LNB
B-BAND 2
Vide o
P roce ss ing
4
2
FM
Demodulation
2 Cha nne ls
We ge ne r
Panda +
De empha s is
S TV0056 A
6 x3
3
Vide o
Ma trix
Audio
Ma trix
3
+
Volume
I2C Bus
Inte rface
To TV, VCR/De code r
Active in S ta nd-by
VIDEO PROCESSING BLOCK DIAGRAM
I/O/22kHz 29
B-BAND IN 20
LPF
NTSC
PAL
VIDEEM2/22kHz
16
VIDEEM1 UNCL DEEM
18
15
22kHz
TONE
G
±1
Baseband
Deemphasized
2
CLAMP IN
13 CLAMP
S3 VID RTN
5 CLAMP
S2 VID RTN 11 CLAMP
S1 VID RTN
4 CLAMP
STV00 56A
Normal
Decoder Return
VCR Return
TV Return
BLACK LEVEL
ADJUST
789
S3 VID OUT
S2 VID OUT
To Decoder
To VCR
To TV
6/26
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