TDA2579C - Synchronization circuit

NXP

TDA2579C Datasheet Preview — Preview of TDA2579C PDF

Datasheet Details

Part number	TDA2579C
Manufacturer	NXP ↗
File Size	138.66 KB
Description	Synchronization circuit
Datasheet	TDA2579C_PhilipsSemiconductors.pdf

TDA2579C Product details

Description

Vertical part fV = 60 Hz (M) system TDA2579C Vertical synchronization pulse separator without external components and two integration times Zener diode reference voltage source for the vertical sawtooth generator and vertical comparator Divider system with three different reset enable windows Synchronization is set to 528 divider ratio when no vertical sync pulse and no video transmitter is identified Divider window is forced to wide

Features

Synchronization and horizontal part.
Horizontal sync separator and noise inverter.
Horizontal oscillator.
Horizontal output stage.
Horizontal phase detector (sync to oscillator).
Triple current source in the phase detector with automatic selection.
Normal phase detector time constant is increased to fast during the vertical blanking period (external switching for VTR conditions not necessary).
Slow phase detector time constant and ga.

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Published: Apr 23, 2005 |