Intermodulation nulling in GaAs MESFETs

28 October 1993

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 29 (22) , 1961-1962
https://doi.org/10.1049/el:19931305

Abstract

The output conductance of gallium arsenide MESFETs, traditionally considered detrimental to device performance, is exploited to effect the cancellation of distortion. This occurs in a common-source amplifier with correct loading and provides useful gain. A technique for characterising the device is presented to allow calculation of optimum load for minimum distortion.

Keywords

INTERMODULATION NULLING
GAAS
OUTPUT CONDUCTANCE
OPTIMUM LOAD
MICROWAVE AMPLIFIER DEVICES
COMMON-SOURCE AMPLIFIER
GAAS MESFETS
DISTORTION CANCELLATION

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