DUAL RECORDING/PLAYBACK 

PREAMPLIFIER CIRCUIT WITH ALC IT7312 

 

 

 

 

DESCRIPTION 

The IT7312 is a monolithic integrated circuit designed for dual pre-amplifier circuit with ALC for recording/playback 

amplifier of cassette tape recorder. 

 

FEATURES 

High open loop gain 

Incorporates ALC detector circuit 

No input coupling condenser 

Low noise and current consumption 

Wide ALC range 

Wide operating voltage range: Vcc=5V~12V 

Low power on shock noise

 

 

 

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