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CA3089 - FM IF System

General Description

Intersil CA3089 is a monolithic integrated circuit that provides all the functions of a comprehensive FM-IF system.

Key Features

  • which include a three-stage FM-IF amplifier/limiter configuration with level detectors for each stage, a doubly-balanced quadrature FM detector and an audio amplifier that features the optional use of a muting (squelch) circuit. The advanced circuit design of the IF system includes desirable deluxe features such as delayed AGC for the RF tuner, and AFC drive circuit, and an output signal to drive a tuning meter and/or provide stereo switching logic. In addition, internal power supply regulators.

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Datasheet Details

Part number CA3089
Manufacturer Renesas
File Size 526.73 KB
Description FM IF System
Datasheet download datasheet CA3089 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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CA3089 FM IF System NO RECOOBMSOMLEENTDEEPDRROEDPULCATCEMENT DATASHEET FN561 Rev 4.00 October 2002 Description Intersil CA3089 is a monolithic integrated circuit that provides all the functions of a comprehensive FM-IF system. The block diagram shows the CA3089 features, which include a three-stage FM-IF amplifier/limiter configuration with level detectors for each stage, a doubly-balanced quadrature FM detector and an audio amplifier that features the optional use of a muting (squelch) circuit. The advanced circuit design of the IF system includes desirable deluxe features such as delayed AGC for the RF tuner, and AFC drive circuit, and an output signal to drive a tuning meter and/or provide stereo switching logic.