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TEF6904A - a single chip car radio integrated circuit

General Description

The TEF6904A is a single chip car radio integrated circuit with FM/AM tuner, stereo decoder, weak signal processing and audio processing.

Key Features

  • s s s s s s s s s s s s s s s s FM Radio Frequency (RF) front-end with large dynamic range Integrated FM channel filter with controlled bandwidth Fully integrated FM demodulator Fully integrated stereo decoder with high immunity for birdy noise FM noise blanker with adaptive detection at MPX and level Signal quality detection: level, AM wideband, frequency deviation, ultrasonic noise/adjacent channel FM weak signal processing: stereo blend, high cut control and soft mute AM RF Automatic Gain Cont.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com TEF6904A Integrated car radio Rev. 01 — 3 February 2006 Preliminary data sheet 1. General description The TEF6904A is a single chip car radio integrated circuit with FM/AM tuner, stereo decoder, weak signal processing and audio processing. FM tuner with double conversion to IF1 = 10.7 MHz and IF2 = 450 kHz with integrated image rejection for both IF1 and IF2; integrated channel filter with variable bandwidth control; capable of US FM, Europe FM, Japan FM and Eastern Europe FM. AM tuner with double conversion to IF1 = 10.7 MHz and IF2 = 450 kHz; capable of Long Wave (LW), Medium Wave (MW) and full range Short Wave (SW) (11 m to 120 m bands). Multiplex (MPX) stereo decoder, ignition noise blanker and extensive weak signal processing.