ICs for VCR
AN3341SC
6-Head VCR Recording/Playback Amplifier IC
s
Overview
The AN3341SC is a recording/playback amplifier IC for
6-head VCR. It is suitable for 19-µ head, EP-mode only,
table-type VCR.
0.45
Unit : mm
s
Features
•
Playback V
CC
=5.0V, recording V
CC
=12V
•
Built-in RF-AGC circuit
•
Built-in automatic tracking I/O circuit
•
Built-in envelope comparator circuit
0.1±0.1
1.0
9.5±0.3
11.5±0.3
42-Pin SSOP package (SSOP042-P-0450)
s
Block Diagram
Chroma
Out Y – IN
1.5kΩ
AT
TRAP
Rec V
CC
12V
100µH
1.7kΩ
0.01
µF
3.9kΩ
1200pF
47µF
normal EP
/other
HASW
AGC TRICK
C – IN
Out
H
AT
GCA
AT
Out
ENV
OFF
H
ENV
Out
180
µH
0.1µF
330pF
0.1µF
1µF
30kΩ
0.1µF
2.0±0.2
0.3
0.15
0.9
0.01µF
0.01µF
+
42
41
40
39
38
37
36
35
34
33
32
31
TRAP
30
29
Det.
28
27
26
25
24
23
22
HASW : L
ON
AGC
Det.
PB
Logic
AGC
Peaking
Amp.
Chroma
Amp.
ENV
Det.
Mix.
ENV
Det.
ENV
Comp.
H
L
H
L
L
H
H
to Rec.
Circuit
R
HA6
L
L
SP
L
HA5
R'
HA4
H
L
H
SP
normal EP
TRICK EP
L'
HA3
L
HA2
R
HA1
normal
EP
PB V
CC
100µH
5V
0.01µF
47µF
1
2
3
4
0.1µF
100Ω
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
0.01µF
0.01µF 0.1µF 0.1µF
100Ω 100Ω
0.01µF
0.01µF 0.1µF 0.1µF
100Ω
100Ω
0.01µF
0.01µF 0.1µF 0.1µF 0.01µF 0.1µF
100Ω
1000pF
HSW D – Rec
H
470Ω
470Ω
21.25±0.3
0.35±0.1