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Pulsed operation and performance of commercial GaN HEMTs

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publication39th European Microwave Integrated Circuits Conference, 2009 (EuMIC 2009), Rome, Italy
Publisher or commissioning bodyInstitute of Electrical and Electronics Engineers (IEEE)
Publication dateSep 2009
Pages226 - 229
Number of pages4
ISBN (Print)9781424447497
StatePublished

Conference

Conference4th European Microwave Integrated Circuits Conference
CountryItaly
CityRome
Period1/09/09 → …

Abstract

The present study investigates the behaviour and performance of commercially available GaN HEMTs provided by Cree Inc. The gain and power variations at pulse repetition frequencies (PRFs) in the range 100-400 kHz are presented. Rise and fall times are also investigated at different PRFs and power levels. The pulsed RF waveforms are obtained by switching the gate bias of the transistor on and completely off to ensure that the device goes through full transients for every pulse. The RF frequency at which the study is conducted is 3.5 GHz. The aim of the study is to assess the suitability of commercial GaN HEMTs to pulsed RF applications such as Radar.

Additional information

Rose publication type: Conference contribution Sponsorship: The authors wish to thank Cree Inc and Novacom Microwave for supplying free samples and providing great assistance and support. Also a special thanks goes to our lab technician Mr Ken Stevens for all his help with the design and setup of the experiments. This work has been partially supported by MBDA. Terms of use: Copyright © 2009 IEEE. Reprinted from European Microwave Integrated Circuits Conference, 2009 (EuMIC 2009). This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

Event

4th European Microwave Integrated Circuits Conference

Duration1 Sep 2009 → …
CountryItaly
CityRome

Event: Conference

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