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LM1295 - DC Controlled Geometry Correction System

General Description

The LM1295 is specifically designed for use in a continuous sync monitor.

The injection-locked vertical oscillator operates from 50 Hz to 170 Hz, covering all known video monitors.

A differential output current is provided in order to prevent ground interaction.

Key Features

  • n n n n n n n n n Vertical scanning frequency 50 Hz.
  • 170 Hz DC controlled correction term amplitudes Up to 125 kHz bandwidth for dynamic input signals Minimum external parts count Multiple IC connection for convergence.

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LM1295 DC Controlled Geometry Correction System for Continuous Sync Monitors April 1999 LM1295 DC Controlled Geometry Correction System for Continuous Sync Monitors General Description The LM1295 is specifically designed for use in a continuous sync monitor. The injection-locked vertical oscillator operates from 50 Hz to 170 Hz, covering all known video monitors. A differential output current is provided in order to prevent ground interaction. The IC provides two outputs composed of the summation of DC controlled 1st and 2nd order output terms. The first output corrects for EW pincushion and trapezoid. The second corrects for parallelogram and bow. A DC controlled output is provided for vertical dynamic focus correction.