System and method for distortion cancellation in amplifiers

System and method for distortion cancellation in amplifiers

A distortion cancellation amplifier is described having a main amplifier and an error amplifier. The main amplifier, in response to an input signal, generates an output signal having an amplified signal component and a distortion signal component. The error amplifier is sized and biased to generate,...

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Hauptverfasser: JOHNSON DOUGLAS M, VYSYARAJU RAJAH V, SEIZ STEVEN
Format: Patent
Sprache:eng
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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creator JOHNSON DOUGLAS M
VYSYARAJU RAJAH V
SEIZ STEVEN
description A distortion cancellation amplifier is described having a main amplifier and an error amplifier. The main amplifier, in response to an input signal, generates an output signal having an amplified signal component and a distortion signal component. The error amplifier is sized and biased to generate, in response to the same input signal, a distortion signal component that has substantially the same magnitude as the distortion signal component of the main amplifier. The distortion signal component from the error amplifier is subtracted from the output signal of the main amplifier.
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BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
title System and method for distortion cancellation in amplifiers
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