BA1442A - AM radio / FM IF stereo system IC

Product Overview

Rohm

Datasheet Details

Part number	BA1442A
Manufacturer	ROHM
File Size	371.29 KB
Description	AM radio / FM IF stereo system IC
Datasheet	BA1442A Datasheet
Additional preview pages of the BA1442A datasheet.

Product details

Description

338 Audio ICs BA1442A 339 Audio ICs BA1442A 340 Audio ICs BA1442A FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 5V, FM IF MPX: fin = 10.7MHz, 400Hz modulation, 22.5kHz dev (30%), 19kHz 7.5kHz dev (10%) AM: fin = 1000kHz, fm = 400Hz 30%) FMeasurement circuit 341 Audio ICs FTechnical reference materials (unless otherwise noted, Ta = 25_C and VCC = 5V) BA1442A FCircuit operation (1) The FM IF amplifier is a three-stage differential amplifier.The gain of this

Features

1) The “S” curve characteristic of the FM detector can be used for upper heterodyne (“N” curve) operation. 2) Audio high cut and low cut can be used to improve the AM fidelity. 3) A reference voltage supply is provided to ensure good frequency stability in the shortwave bands. 4) Good FM stability. 5) Built-in damping resistor (3.3kΩ) for the quadrature coil. 6) The FM MPX uses a Laser Locked Loop, making adjustment of the VCO and addition of external components unnecessary. 7) Built-in forced.

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Published: Apr 1, 2005 |