bh7273kv ROHM Co. Ltd., bh7273kv Datasheet - Page 12

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

•
12
Video ICs
Application example
0.1
Vcc 4.9V
Gain adj
Gain SW
ATF IN
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
EQ 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
Fig. 2
9
0.1
39
10
0.1
38
11
300
0.1
37
12
MIX
0.1
300
0.1
VCA
BF
36
13
0.1
Delay Line
35
14
BF
Vcc 4.9V
150
34
15
Vcc 4.9V
AMP
AMP
Delay Line
33
16
150
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
180
Vcc 4.9V
0.1
150
0.1
0.1
0.1
0.1
0.1
0.1
0.1
300
BH7273KV
300