CXA1910 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA1910

Dolby B Type Noise Reduction System with Playback Equalizer

Sony Semiconductor 

* PBOUT, PBFB, PBIN equivalent circuit

CXA1910Q

Vcc

VREG

PBOUT

500

147

1

30

PBFB

32

300k

10p

500

39

PBIN

33

34

37

38

600

GND

∗ Description for SW pins

MSMODE - Switching of MS signal detection/blank detection

High: G1; Low: G2

NRSW - Switching of Dolby B type noise reduction ON/OFF

High: noise reduction ON; Low: noise reduction OFF

DRSW - Switching of tape direction

High: reverse; Low: forward

TAPESW - Switching of HIGH/NORMAL tape

High: NORMAL tape; Low: HIGH tape

NRMODE - Switching of noise reduction modes

High: noise reduction OFF; Low: Dolby B

MSSW - Switching of MS ON/OFF

High: MS ON; Low: MS OFF

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