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Browsing by Author "Chang, J. W."

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    On the doping effects for linearity improvement of InGaP/InGaAs PHEMT
    (2005)
    Lin, Yueh-Chin
    ;
    Chang, J. W.
    ;
    Chang, Edward Yi
    ;
    Chang, X. Y.
    ;
    材料科學與工程學系
    In this paper, doping effects for linearity improvement of InGaP/InGaAs PHEMT devices are discussed. The doping techniques of interest are the light channel doping and the uniform doping introduced to the conventional delta-doped PHEMT structure. Circuit analysis is performed for estimation of the third-order intermodulation distortion levels (IM3). The linearity performance is compared through the extracted parameters from measurement.