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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 328

Video circuits collection

William H. Gross

Abstract

Several different video circuits that work with composite, RGB and monochrome video are described.

Keywords

Video circuit

amplifier

fader circuit

LT1190

LT1228

Introduction

This note shows how to make several different video circuits using high speed op amps. All of these circuits work with composite, RGB and monochrome video. For best results, bypass the power supply pins of these amplifiers with 1μF to 10μF tantalum capacitors in parallel with 0.01μF disc capacitors. It is important to terminate both ends of video cables to preserve frequency response. When properly terminated, the cable looks like a resistive load of 150Ω.

Multiplex amplifiers

Often it is desirable ...

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