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RF waveform engineering applied to GaAs MESFET radiation safe operating area

This paper gives an overview on tests done at ESA/ESTEC related to the safe operating area of two different types of GaAs MESFET when subjected to heavy ion bombardment while loaded with RF signal. The heavy ion test campaigns are described and waveform measurements defining the safe operating area...

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Main Authors: Le Gallou, N., Sturesson, F.
Format: Conference Proceeding
Language:English
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Sturesson, F.
description This paper gives an overview on tests done at ESA/ESTEC related to the safe operating area of two different types of GaAs MESFET when subjected to heavy ion bombardment while loaded with RF signal. The heavy ion test campaigns are described and waveform measurements defining the safe operating area for the two types of devices are discussed. The principal interest of performing radiation tests under RF conditions is to reach regions which would not be testable in DC conditions, albeit being reached by application voltage waveforms. The results show very different robustness characteristics depending the MESFET process selected and show that, as opposed to commonly believed, GaAs devices may not be fully immune to burn outs under heavy ion conditions.
doi_str_mv 10.1109/MWSYM.2009.5165840
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identifier ISSN: 0149-645X
ispartof 2009 IEEE MTT-S International Microwave Symposium Digest, 2009, p.889-892
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Breakdown voltage
Circuit testing
Condition monitoring
GaAs
Gallium arsenide
Heavy Ions
Ion implantation
L-band
Life testing
MESFET
MESFETs
Performance evaluation
Power Amplifier
Radio frequency
Single Event Burn Out
SSPA
title RF waveform engineering applied to GaAs MESFET radiation safe operating area
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