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TDA8505 - SECAM encoder

General Description

The TDA8505 is a highly integrated SECAM encoding IC that is designed for use in all applications that require transformation of R, G and B signals or Y, U and V signals to a standard SECAM signal.

Key Features

  • Two input stages, R, G, B and Y,.
  • (R.
  • Y),.
  • (B.
  • Y) with multiplexing.
  • Chrominance processing, highly integrated, includes vertical identification, low frequency pre-emphasis and high frequency pre-emphasis (anti-Cloche) and bandpass filter.
  • Fully controlled FM modulator which produces a signal in accordance with the SECAM standard without adjustments.
  • Two reference oscillators, one for D'R f0 (4.40625 MHz) and one for D'B f0 (4.

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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 TDA8505 SECAM encoder Preliminary specification Supersedes data of May 1993 File under Integrated Circuits, IC02 July 1994 Philips Semiconductors Philips Semiconductors Preliminary specification SECAM encoder FEATURES • Two input stages, R, G, B and Y, −(R−Y), −(B−Y) with multiplexing. • Chrominance processing, highly integrated, includes vertical identification, low frequency pre-emphasis and high frequency pre-emphasis (anti-Cloche) and bandpass filter. • Fully controlled FM modulator which produces a signal in accordance with the SECAM standard without adjustments. • Two reference oscillators, one for D'R f0 (4.40625 MHz) and one for D'B f0 (4.250 MHz). These oscillators are tuned by PLL loop with the frequency of the line sync as reference.