STV0042 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STV0042' PDF : 24 Pages View PDF
GENERAL BLOCK DIAGRAM
STV0042A
From Tuner
From
VCR/Decoder
From Tuner
22kHz to LNB
B-BAND 2
Video
Processing
2
1
FM
Demodulation
2 Channels
Noise
Reduction +
Deemphasis
STV0042A
4x2
2
Video
Matrix
Audio
Matrix
2
+
Volume
I2C Bus
Interface
To TV, VCR/Decoder
Active in Stand-by
VIDEO PROCESSING BLOCK DIAGRAM
LPF
NTSC
PAL
VIDEEM2/22kHz
13
VIDEEM1 UNCL DEEM
15
12
22kHz
TONE
B-BAND IN 17
G
±1
Baseband
CLAMP IN
10 CLAMP
S2 VID RTN
8 CLAMP
Normal
VCR / Decoder Return
Deemphasized
÷2
STV0042A
6
S2 VID OUT
To Decoder or VCR
5
S1 VID OUT
To TV
5/24
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