CXA1911 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA1911

Dolby B Type Noise Reduction System with Playback Equalizer

Sony Semiconductor 

CXA1911Q

Pin

DC

Symbol

No.

value

17 NRMODE —

Z (in)

—

Equivalent circuit

50µ 50µ

Description

Noise reduction selector

C when high, B when low

25 VCT 4.0V

—

17

147

2.5V

Q3

147

25

45k

VCC/2 output

to VGS

31 PBTC —

—

40

PBEQ capacitance

VCC

147

31

40

42µ

36 E IREF 1.25V

—

30µ

GND

Connection of reference current

VCC setting resistor for PBEQ block

147

36

1.25V

10µ

GND

—6—

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