CXA1580Q 查看數據表（PDF） - Sony Semiconductor

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CXA1580Q

Dolby B Type Noise Reduction System with Playback Equalizer

Sony Semiconductor 

* PBOUT, PBFB, PBIN equivalent circuit

CXD1580Q

Vcc

VREG

OUT

FB

IN

147

300k

147

147

300k

70k

* Description for SW pins

MODESW - Switching of MS signal detection/blank detection

High: G1 (signal detection); Low: G2 (blank detection)

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

High: noise reduction OFF; Low: Dolby B

DRSW - Switching of tape rotation

High: reverse; Low: forward

TAPESW - Switching of HIGH/NORMAL tape

High: NORMAL tape; Low: HIGH tape

AUXSW - Switching of CD/RADIO in the AUX mode

High: CD; Low: RADIO

INSW - Switching of TAPE/AUX

High: TAPE; Low: AUX

MSSW - Switching of MS ON/OFF

High: MS ON; Low: MS OFF

1k

1k

GND

—6—

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