LM3189 Datasheet - National Semiconductor

LM3189 FM IF System

LM3189 Features

* the optional use of a muting (squelch) circuit The advanced circuit design of the IF system includes desirable deluxe features such as programmable delayed AGC for the RF tuner an AFC drive circuit and an output signal to drive a tuning meter and or provide stereo switching logic In addition interna

LM3189 General Description

The LM3189N is a monolithic integrated circuit that provides all the functions of a comprehensive FM IF system The block diagram of the LM3189N includes a three stage FM IF amplifier limiter configuration with level detectors for each stage a doubly balanced quadrature FM detector and an audio ampli.

LM3189 Datasheet (210.47 KB)

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LM3189

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National Semiconductor

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Lm3189 fm if system.

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LM3189 LM3189 System National Semiconductor

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LM3189 Features

LM3189 General Description

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