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TDA4504B - Small signal combination for multistandard colour TV

Description

Having the capability to demodulate IF signals with either positive or negative-going video information, the TDA4504B (Fig.1) is contained within a 32 pin encapsulation.

Features

  • Gain controlled vision IF amplifier.
  • Synchronous demodulator for negative and positive demodulation.
  • AGC detector operating on peak sync amplitude for negative demodulation and on peak white level for positive demodulation.
  • Tuner AGC.
  • AFC circuit with two control polarities and on/off-switch.
  • Video preamplifier.
  • Video switch to select either the internal video signal or an external video signal.
  • Horizontal oscillator and sy.

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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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INTEGRATED CIRCUITS DATA SHEET TDA4504B Small signal combination for multistandard colour TV Product specification File under Integrated Circuits, IC02 February 1992 Philips Semiconductors Product specification Small signal combination for multistandard colour TV FEATURES • Gain controlled vision IF amplifier • Synchronous demodulator for negative and positive demodulation • AGC detector operating on peak sync amplitude for negative demodulation and on peak white level for positive demodulation • Tuner AGC • AFC circuit with two control polarities and on/off-switch • Video preamplifier • Video switch to select either the internal video signal or an external video signal • Horizontal oscillator and synchronization circuit with two control loops • Vertical synchronization (divider system)
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