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CXA1797Q Datasheet Dolby B-C Type Noise Reduction System with Recording Equalizer Amplifier

Manufacturer: Sony Semiconductor Solutions

General Description

The CXA1797Q is an audio signal processing LSI designed for use in cassette decks.

Functions include Dolby B-C noise reduction, recording equalizer amplifier, meter circuit (logarithmic), bias control circuit, and playback switching circuit.

Serial control of these functions is possible.

Overview

CXA1797Q Dolby B-C Type Noise Reduction System with Recording Equalizer.

Key Features

  • Few external parts.
  • Serial control of each functions possible.
  • Dolby B-C noise reduction.
  • Dolby S noise reduction select switch.
  • Recording equalizer amplifier.
  • Recording volume control.
  • Playback input select switch.
  • Meter circuit (logarithmic wave detection).
  • Bias control circuit (left and right independent).