Effect Of The Light On The Elements Of The Electric Scheme Of A Hemt

Abstract
An optical fiber has been used to illuminate a HEMT. This causes modifications of the static and dynamic characterics of this component. A home made sophisticated software extracts the elements of the classical electric scheme of microwave FETs from their "S" matrix. The effect of the light on the major elements are decribed and compared with the results for MESFETs.

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