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CA3089

Intersil
Part Number CA3089
Manufacturer Intersil
Description FM IF System
Published Jun 8, 2005
Detailed Description CA3089 November 1996 FM IF System Description Intersil CA3089 is a monolithic integrated circuit that provides all the ...
Datasheet PDF File CA3089 PDF File

CA3089
CA3089

Overview
CA3089 November 1996 FM IF System 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.
In addition, internal power supply regulators maintain a nearly constant current drain over the voltage supply range of +8.
5V to +16V.
The CA3089 is ideal for high-fidelity operation.
Distortion in a CA3089 FM-IF System is primarily a function of the phase linearity characteristic of the outboard detector coil.
Features • For FM IF Amplifie...


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