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TDA1597 - IF amplifier/demodulator

Description

The TDA1597 provides IF amplification, symmetrical quadrature demodulation and level detection for quality home and car FM radio receivers and is suitable for mono and stereo reception.

It may also be applied to common front-ends, stereo decoders and AM receivers circuits.

Features

  • Balanced limiting amplifier.
  • Balanced coincidence demodulator.
  • Two open-collector stop pulse outputs for microcomputer tuning control.
  • Simulated behaviour of ratio detector (internal field strength and detuning dependent voltage for dynamic AF signal muting).
  • Mono/stereo blend field strength indication control voltage.
  • AFC output.
  • 3-state mode switch for FM-MUTE-ON, FM-MUTE-OFF and FM-OFF.
  • Internal compensation of AF signal.

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Datasheet preview – TDA1597

Datasheet Details

Part number TDA1597
Manufacturer NXP
File Size 200.21 KB
Description IF amplifier/demodulator
Datasheet download datasheet TDA1597 Datasheet
Additional preview pages of the TDA1597 datasheet.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS DATA SHEET TDA1597 IF amplifier/demodulator for FM radio receivers Product specification Supersedes data of May 1994 File under Integrated Circuits, IC01 1997 Feb 27 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers FEATURES • Balanced limiting amplifier • Balanced coincidence demodulator • Two open-collector stop pulse outputs for microcomputer tuning control • Simulated behaviour of ratio detector (internal field strength and detuning dependent voltage for dynamic AF signal muting) • Mono/stereo blend field strength indication control voltage • AFC output • 3-state mode switch for FM-MUTE-ON, FM-MUTE-OFF and FM-OFF • Internal compensation of AF signal Total Harmonic Distortion (THD) • Built-in hum and ripple rejection circu
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