參數(shù)資料
型號(hào): BH7272KV
廠商: Rohm CO.,LTD.
英文描述: PV 3C 3#16 SKT PLUG
中文描述: 雙通道錄像機(jī)前/承包數(shù)字錄像機(jī)放大器
文件頁(yè)數(shù): 12/14頁(yè)
文件大小: 185K
代理商: BH7272KV
12
Video ICs
BH7272KV
Pin No.
Pin name
Equivalent internal circuit
Pin voltage
Function
41
42
PB2nd IN A
PB2nd IN B
Playback system 2nd amplifier input
Playback system 2nd amplifier input
2.5
(–)
2.5
(–)
1k
43
41
42
80
1k
1k
43
PB SW + OUT
1st stage amplifier positive phase
output
2.0
(–)
1k
44
44
PB SW – OUT
1st stage amplifier reverse phase
output
2.0
(–)
45
HSW
Mode control
0.0
(0.0)
45
15k
100k
46
PB “H”
Mode control
0.0
(0.0)
46
15k
100k
The pin voltages in brackets are for REC mode, all others are for PB mode.
47
V
CC
5V
V
CC
for PB 1st stage amplifier
REC
BTL B I0adj
2.5
(3.4)
48
12.8k
12.8k
2.6k
400
48
HEAD B recording current adjustment
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