UTC7312 - Dual Recording / Playback Pre-Amplifier Circuit

Hangzhou Silan Microelectronics

General Description

The UTC7312 is a monolithic integrated circuit designed for dual pre-amplifier circuit with ALC for record /playback amplifier of cassette tape recorder.

Key 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 BLOCK.

📥 Download Datasheet

UTC7312 dual recording / playback pre-amplifier circuit by Hangzhou Silan Microelectronics - Datasheet Preview

Datasheet Details

Part number	UTC7312
Manufacturer	Hangzhou Silan Microelectronics
File Size	113.21 KB
Description	Dual Recording / Playback Pre-Amplifier Circuit
Datasheet	UTC7312 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UTC7312 S w w aDUAL RECORDING/PLAYBACK D CIRCUIT WITH . PRE-AMPLIFIER w ALC DESCRIPTION The UTC7312 is a monolithic integrated circuit designed for dual pre-amplifier circuit with ALC for record /playback amplifier of cassette tape recorder. ta e e h U 4 t m o .c LI NEAR I NTEGRATED CI RCUI T 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 BLOCK DIAGRAM Rippli filter ALC input Ch 2 Vcc 14 Ripple Filter Phase compensat ion of ch1 ALC Time constant NFof CH1 ALC input Ch 1 Output 1 Input of Ch1 w w w t a .D 13 ALC 2 12 S a 11 4 e h Phase compensat ion of ch2 U 4 t e NFof CH2 .