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.

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)

Applications

Cassette decks