STV0056A STMicroelectronics, STV0056A Datasheet - Page 6

• Manufacturer Part Number: STV0056A
• Description: Video ICs Analog Sound/Video
• Manufacturer: STMicroelectronics
• Type: Audio DSPr

Specifications of STV0056A

• Maximum Operating Temperature: + 70 C
• Package / Case: PDIP-56
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STV0056A
GENERAL BLOCK DIAGRAM
VIDEO PROCESSING BLOCK DIAGRAM
6/26
VCR/De code r
22kHz to LNB
From Tuner
From Tuner
From TV,
S3 VID RTN
S2 VID RTN
S1 VID RTN
B-BAND IN
CLAMP IN
I/O/22kHz
29
20
13
11
5
4
STV0056A
STV0056A
CLAMP
CLAMP
CLAMP
CLAMP
Demodulation
De empha s is
2 Cha nne ls
P roce ss ing
We ge ne r
B-BAND
Pa nda +
Vide o
G
FM
LPF
22kHz
TONE
VIDEEM2/22kHz
1
2
2
4
Decoder Return
VCR Return
Baseband
TV Return
Normal
16
Inte rface
Volume
I
NTSC
Matrix
Matrix
2
Vide o
Audio
6 x 3
C Bus
+
BLACK LEVEL
ADJUST
18
VIDEEM1
To Decoder
PAL
S3 VID OUT
3
3
15
UNCL DEEM
7
2
Deemphasiz ed
8
To TV, VCR/De code r
9
Active in S ta nd-by
S2 VID OUT
To VCR
To TV