HA1137W PDF Datasheet – FM IF System

The Part Number is HA1137W.

The function of this semiconductor is FM IF System.

Package: DIP 16 Pin Type

Manufacturer: Hitachi

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HA1137W image


The Hitachi HA1137W is a monolithic integrated circuit developed for the FM IF system in a Hi-Fi stereo tuner set. It includes all those functions necessary for a FM IF housed in a 16-lead, dual-in-line plastic package. The block diagram shows that the input signal is fed to a three-stage FM IF amplifier/limiter configuration and to a three-stage detector for a tuning meter driver. […]

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1. IF Amplifier

2. Quadrature Detector

3. Low-noise AF Preamplifier

3. Tuning Meter Circuit

HA1137W Datasheet

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