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TDA3867T - Quasi-split sound processor

General Description

Symmetrical IF input and gain controlled wideband IF amplifier.

AGC generation due to peak sync Reference amplifier for the regeneration of the vision carrier.

Optimized limiting amplifier for AM suppression in the regenerated vision carrier signal and 90° phase shifter.

Key Features

  • Quasi-split sound processor for all FM standards e. g. B/G TDA3867T.
  • Reduction of spurious video signals by tracking function and AFC for the vision carrier reference circuit; (indispensable for NICAM).
  • AF2 signal automatically muted (at B/G) by the input signal level.

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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 TDA3867T Quasi-split sound processor with two FM demodulators Preliminary specification File under Integrated Circuits, IC02 January 1992 Philips Semiconductors Preliminary specification Quasi-split sound processor with two FM demodulators FEATURES • Quasi-split sound processor for all FM standards e.g. B/G TDA3867T • Reduction of spurious video signals by tracking function and AFC for the vision carrier reference circuit; (indispensable for NICAM) • AF2 signal automatically muted (at B/G) by the input signal level GENERAL DESCRIPTION Symmetrical IF input and gain controlled wideband IF amplifier. AGC generation due to peak sync Reference amplifier for the regeneration of the vision carrier.