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 

CXD1580Q

Description of Operation

Operation mode control (INSW, AUXSW, TAPESW, DRSW, NRSW, MSSW, MODESW)

The CXA1580Q has built in electronic switch circuits and the operations are controlled by the direct current

applied to each SW pin. The operation mode state for each switch is shown in the table below.

SW

INSW

AUXSW

TAPESW

DRSW

NRSW

MSSW

MODESW

Function for Low input

AUX (CD/RADIO) IN

RADIO

70µS

PB FWD

DOLBY B NR

MS OFF

G2(NOR) MODE

Function for High input

TAPE IN

CD

120µs

PB RVS

NR OFF

MS ON

G1(FF) MODE

Click noise can be reduced by the external CR time constant circuit for NR SW switching.

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