CXA1704R 查看數據表（PDF） - Sony Semiconductor

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CXA1704R

2-channel REC/PB Amplifier for 8mm VCR

Sony Semiconductor 

Pin No.

33

Symbol Pin voltage

PB2IN

0.7 V

Equivalent circuit

CXA1704R

Description

Playback channel 2 input.

33

34 REC2OUT

—

Recording channel 2 output.

Open collector.

34

35 REC2CONT

—

36

VCC2CH 4.75 V

37

REC2IN

2.4 V

143

35

71k

40µ 40µ

EVR adjustment of recording

channel 2 damping. Damping is

applied strongly when the applied

voltage is small.

Channel 2 power supply.

Channel 2 recording amplifier input.

DC cut-off is applied to the Pin 38

signal by external capacitor, and

143

37 then the resulting signal is input.

240µ

—10—

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