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TEF6902A - Integrated car-radio

Description

The TEF6902A is a single-chip car radio integrated circuit with FM/AM tuner, stereo decoder, weak signal processing and audio processing.

Features

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

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Full PDF Text Transcription

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TEF6902A Integrated car radio Rev. 03 — 19 March 2008 Product data sheet 1. General description The TEF6902A 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.
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