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LM3089 - LM3089 FM Receiver IF System

Datasheet Summary

Description

The LM3089 has been designed to provide all the major functions required for modern FM IF designs of automotive high-fidelity and communications receivers Y Y

Features

  • Y Y Y Three stage IF amplifier limiter provides 12 mV (typ) b 3 dB limiting sensitivity Balanced product detector and audio amplifier provide 400 mV (typ) of recovered audio with distortion as low as 0 1% with proper external coil designs Y Y Four internal carrier level detectors provide delayed AGC signal to tuner IF level meter drive current and interchannel mute control AFC amplifier provides AFC current for tuner and or center tuning meters Improved operating and temperature performance.

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Datasheet Details

Part number LM3089
Manufacturer National Semiconductor
File Size 166.81 KB
Description LM3089 FM Receiver IF System
Datasheet download datasheet LM3089 Datasheet
Additional preview pages of the LM3089 datasheet.

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LM3089 FM Receiver IF System September 1992 LM3089 FM Receiver IF System General Description The LM3089 has been designed to provide all the major functions required for modern FM IF designs of automotive high-fidelity and communications receivers Y Y Features Y Y Y Three stage IF amplifier limiter provides 12 mV (typ) b 3 dB limiting sensitivity Balanced product detector and audio amplifier provide 400 mV (typ) of recovered audio with distortion as low as 0 1% with proper external coil designs Y Y Four internal carrier level detectors provide delayed AGC signal to tuner IF level meter drive current and interchannel mute control AFC amplifier provides AFC current for tuner and or center tuning meters Improved operating and temperature performance especially when using high Q quadra
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