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TDA4820T - Sync separation

General Description

The TDA4820T is a monolithic integrated circuit including a horizontal and a vertical sync separator, offering composite sync and vertical sync extracted from the video signal.

Key Features

  • Fully integrated, few external components.
  • Positive video input signal, capacitively coupled.
  • Operates with non-standard video input signals.
  • Black level clamping.
  • Generation of composite sync slicing level at 50% of peak sync voltage.
  • Vertical sync separator with double slope integrator.
  • Delay time of the vertical output pulse is determined by an external resistor.
  • Vertical sync generation with a slicing level at 40% of pe.

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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 TDA4820T Sync separation circuit for video applications Preliminary specification File under Integrated Circuits, IC02 June 1990 Philips Semiconductors Preliminary specification Sync separation circuit for video applications FEATURES • Fully integrated, few external components • Positive video input signal, capacitively coupled • Operates with non-standard video input signals • Black level clamping • Generation of composite sync slicing level at 50% of peak sync voltage • Vertical sync separator with double slope integrator • Delay time of the vertical output pulse is determined by an external resistor • Vertical sync generation with a slicing level at 40% of peak sync voltage • Output stage for composite sync • Output stage for vertical sync GENERAL DESCR