bh7273kv ROHM Co. Ltd., bh7273kv Datasheet - Page 4

• Manufacturer Part Number: bh7273kv
• Description: Equalizer And Atf Circuit Ic For Digital Vcrs
• Manufacturer: ROHM Co. Ltd.

•
4
Video ICs
Measurement circuit
ATF VCA OUT
0.1
Vcc 4.9V
Gain adj
Gain SW
ATF IN
465.0kHz
BPF OUT
697.5kHz
BPF OUT
f2 adj
f1 adj
0.1
0.1
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Vcc 4.9V
SLEEP
48
1
CTRL
1.5MHz LPF
Vcc 4.9V
VCA
47
2
AMP
697.5kHz BPF
1000p
14 / 24dB
46
465.0kHz BPF
3
0.1
1000p
0.1
APF IN
AMP 25dB
45
4
47k 47k
44
5
SUBTRACT
43
6
47p
300
AMP
2.2k
42
7
1k
470
BH7273KV
41
8
33p
40
APF OUT
Fig. 1
9
0.1
0.1
39
10
600
38
11
0.1
0.1
VCA IN
37
12
MIX
0.1
VCA
BF
36
13
0.1
VCA OUT
35
14
BF
Vcc 4.9V
34
15
AMP
AMP
Vcc 4.9V
33
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
300
Vcc 4.9V
BH7273KV
300
600
600
TVF AMP IN
TVF AMP IN
BUFF OUT
BUFF OUT
BUFF IN
TVF AMP OUT
TVF AMP OUT
TVF AMP IN
TVF AMP IN