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Modulator Driver for CRT Display With Distortion Correction

IP.com Disclosure Number: IPCOM000035171D
Original Publication Date: 1989-Jun-01
Included in the Prior Art Database: 2005-Jan-28

Publishing Venue

IBM

Related People

Authors:
Evans, PJ Naylor, AR [+details]

Abstract

An east-west modulator driver for a horizontal CRT scan circuit based on an available audio power amplifier chip is disclosed. The circuit incorporates trapezoidal correction. To compensate for different vertical frequencies, switched attenuators are used on the amplifier feedback path.