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TDA4670 - Picture Signal Improvement PSI

Description

The TDA4670 delays the luminance signal and improves colour-difference signal transients.

Additionally, the luminance signal can be improved by peaking and noise reduction (coring).

MAX.

Features

  • Luminance signal delay from 20 to 1100 ns (minimum step 45 ns).
  • Luminance signal peaking with selectable symmetrical overshoots.
  • 2.6 or 5 MHz peaking centre frequency and selectable degree of peaking (.
  • 3, 0, +3 and +6 dB).
  • Selectable noise reduction by coring.
  • Handles negative and positive colour-difference signals.
  • Selectable Colour Transient Improvement (CTI) to decrease the colour-difference signal transient times to those of the.

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Datasheet preview – TDA4670

Datasheet Details

Part number TDA4670
Manufacturer NXP
File Size 107.77 KB
Description Picture Signal Improvement PSI
Datasheet download datasheet TDA4670 Datasheet
Additional preview pages of the TDA4670 datasheet.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS DATA SHEET TDA4670 Picture Signal Improvement (PSI) circuit Product specification Supersedes data of May 1991 File under Integrated Circuits, IC02 1996 Dec 11 Philips Semiconductors Product specification Picture Signal Improvement (PSI) circuit FEATURES • Luminance signal delay from 20 to 1100 ns (minimum step 45 ns) • Luminance signal peaking with selectable symmetrical overshoots • 2.
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