bh7272kv ROHM Co. Ltd., bh7272kv Datasheet - Page 4

• Manufacturer Part Number: bh7272kv
• Description: Two-channel Amplifier Digital Vcrs
• Manufacturer: ROHM Co. Ltd.

•
4
Video ICs
Measurement circuit (playback system)
HEAD SW CTRL
Vcc 4.9V
Vcc 4.9V
PB “H”
0.1
I0adj
0.1
37
38
39
40
41
42
43
44
45
46
47
48
36
1
IAMP
2nd
3rd
35
2
PRE
34
3
IAMP
33
4
32
5
BH7272KV
31
6
Fig. 1
AGC
10k
1k
30
7
DET
10k
1k
29
Balance
8
28
9
VAMP
IAMP
27
10
Bias
PRE
Balance
BF
26
11
LIMIT
IAMP
25
12
24
23
22
21
20
19
18
17
16
15
14
13
0.1
BH7272KV
LIMIT LEVEL adj
LIMIT Vth adj
Vcc 4.9V
REC GATE
REC “H”
Vcc 3.0V
Vcc 4.9V
I0adj