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.

28

Symbol

PB1IN

Pin voltage

0.7 V

Equivalent circuit

CXA1704R

Description

Playback channel 1 input.

28

29

GND1CH

0V

30 PBDUMP1 2.5 V

Channel 1 GND.

The playback channel 1 damping is

40µ

determined by the external

resistance. Damping is applied

4k

4k

30 strongly when the resistance is

large.

40µ

31 PBDUMP2 2.5 V

40µ

4k

4k

The playback channel 2 damping is

determined by the external

resistance. Damping is applied

31 strongly when the resistance is

large.

40µ

32

GND2CH

0V

Channel 2 GND.

—9—

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