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BH7272KV Datasheet(PDF) 9 Page - Rohm

Part # BH7272KV
Description  Two-channel VCR PRE / REC amplifier for Digital VCRs
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BH7272KV Datasheet(HTML) 9 Page - Rohm

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9
Video ICs
BH7272KV
Pin No.
Pin name
Equivalent internal circuit
Pin voltage
Function
17
REC “H”
Mode control
0.0
(0.0)
17
15k
100k
18
REC GATE
Mode control
19
VCC 5V
VCC for bias and REC limiter amplifier
0.0
(0.0)
21
REC
LIMIT + OUT
REC limiter amplifier positive phase
output
2.5
(2.5)
18
15k
100k
20
GND
GND for bias and control logic
21
500
400
400
22
REC
LIMIT – OUT
REC limiter amplifier reverse phase
output
2.5
(2.5)
22
500
400
400
REC limiter amplifier input threshold
level adjustment
(1.5)
35k
15k
LIMIT
Vth adj
23
23
The pin voltages in brackets are for REC mode, all others are for PB mode.


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