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TDA4474 - Multistandard Video-IF and Quasi Parallel Sound Processing

Datasheet Summary

Description

The TDA4474 is an integrated bipolar circuit for full multistandard video/sound IF (VIF/SIF) signal processing in TV/VCR and Multimedia applications.

The circuit processes all TV video IF signals with negative modulation (e.g.

B/G standard), positive modulation (e.g.

Features

  • D 5V supply voltage; low power consumption D Active carrier generation by FPLL principle D Alignment.
  • free quasi parallel sound (QPS) mixer for FM/NICAM sound IF signals D Intercarrier output signal is gain controlled (frequency.
  • phase.
  • locked.
  • loop) synchronous demodulation for true (necessary for digital sound processing) D Complete alignment.
  • free AM demodulator with D Very linear video demodulation, good pulse response and excellent intermodulation f.

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Datasheet Details

Part number TDA4474
Manufacturer TEMIC Semiconductors
File Size 295.26 KB
Description Multistandard Video-IF and Quasi Parallel Sound Processing
Datasheet download datasheet TDA4474 Datasheet
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Full PDF Text Transcription

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TELEFUNKEN Semiconductors TDA4474 Multistandard Video-IF and Quasi Parallel Sound Processing Description The TDA4474 is an integrated bipolar circuit for full multistandard video/sound IF (VIF/SIF) signal processing in TV/VCR and Multimedia applications. The circuit processes all TV video IF signals with negative modulation (e.g. B/G standard), positive modulation (e.g. L standard) and the AM, FM/NICAM sound IF signals. Four IF inputs (2 x VIF plus 2 x SIF) and the common pinning with TDA4471 gives flexibility to design a universal IF module for various applications.
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