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TDA8740 - Satellite sound circuit with noise reduction

Description

The TDA8740; TDA8740H is a multi-function sound IC for use in satellite receivers, television sets and video recorders.

The pin numbers given in parenthesis throughout this document refer to the QFP44 package.

MIN.

5.5 10.0 9 62 12

Features

  • Demodulation of main audio signal using wide band PLL (lock range selectable).
  • Demodulation of secondary audio signals using wide band PLL.
  • HF input selection: two-out-of-eight secondary audio signals can be selected.
  • Noise reduction of the secondary audio signals.
  • Output selection: stereo, language 1, language 2, main audio and external.
  • Mute control.
  • Line outputs (SCART level). QUICK.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS DATA SHEET TDA8740; TDA8740H Satellite sound circuit with noise reduction Product specification Supersedes data of November 1992 File under Integrated Circuits, IC02 October 1994 Philips Semiconductors Philips Semiconductors Product specification Satellite sound circuit with noise reduction FEATURES • Demodulation of main audio signal using wide band PLL (lock range selectable) • Demodulation of secondary audio signals using wide band PLL • HF input selection: two-out-of-eight secondary audio signals can be selected • Noise reduction of the secondary audio signals • Output selection: stereo, language 1, language 2, main audio and external • Mute control • Line outputs (SCART level).
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