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Evaluation of GaAs low noise and power MMIC technologies to neutron, ionizing dose and dose rate effects

Journal Article · · IEEE Transactions on Nuclear Science
DOI:https://doi.org/10.1109/23.510722· OSTI ID:277720
; ; ; ; ;  [1]; ; ;  [2]
  1. Thomson CSF-TCS, Orsay (France)
  2. Thomson CSF-RGS/DEN, Gennevilliers (France)

An evaluation program of Thomson CSF-TCS GaAs low noise and power MMIC technologies to 1 MeV equivalent neutron fluence levels, up to 1 {times} 10{sup 15} n/cm{sup 2}, ionizing 1.17--1.33 MeV CO{sup 60} dose levels in excess of 200 Mrad(GaAs) and dose rate levels reaching 1.89 {times} 10{sup 11} rad(GaAs)/s is presented in terms of proper components and parameter choices, DC/RF electrical measurements and test methods under irradiation. Experimental results are explained together with drift analyses of electrical parameters that have determined threshold limits of component degradations. Modelling the effects of radiation on GaAs components relies on degradation analysis of active layer which appears to be the most sensitive factor. MMICs degradation under neutron fluence was simulated from irradiated FET data. Finally, based on sensitivity of technological parameters, rad-hard design including material, technology and MMIC design enhancement is discussed.

OSTI ID:
277720
Report Number(s):
CONF-9509107--
Journal Information:
IEEE Transactions on Nuclear Science, Journal Name: IEEE Transactions on Nuclear Science Journal Issue: 3Pt1 Vol. 43; ISSN 0018-9499; ISSN IETNAE
Country of Publication:
United States
Language:
English

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