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Ultra-linear pseudomorphic HEMTs for wireless communications: A simulation study

Borsosfoldi, Z., Webster, D.R., Thayne, I.G., Asenov, A., Haigh, D.G., and Beaumont, S.P. (1997) Ultra-linear pseudomorphic HEMTs for wireless communications: A simulation study. In: IEEE International Symposium on Compound Semiconductors, 8-11 September 1997, San Diego, California.

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Publisher's URL: http://dx.doi.org/10.1109/ISCS.1998.711718

Abstract

In this paper, we apply numerical device simulation in the design of pseudomorphic HEMTs with improved linearity and reduced intermodulation products aimed at wireless communications applications. We show that in channel doped GaAs pHEMTs the introduction of a p-doped buffer layer significantly improves the device linearity leading to a 10 dB suppression of 3rd order distortion over a wide bias range with similar gain when compared with a more standard δ-doped GaAs pHEMT device.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Thayne, Prof Iain and Beaumont, Prof Steven and Asenov, Prof Asen
Authors: Borsosfoldi, Z., Webster, D.R., Thayne, I.G., Asenov, A., Haigh, D.G., and Beaumont, S.P.
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Research Group:Device Modelling Group
Publisher:Institute of Electrical and Electronics Engineers
Copyright Holders:Copyright © 1997 Institute of Electrical and Electronics Engineers
First Published:First published in Compound semiconductors 1997 : proceedings of the IEEE Twenty-fourth International Symposium on Compound Semiconductors (1997):475-478
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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