Low frequency noise analysis to detect the influence of deep levels in AlGaAs/GaAs HEMTs

被引：0
|
作者：
Labat, N. [1 ]
Ouro Bodi, D. [1 ]
Touboul, A. [1 ]
Danto, Y. [1 ]
Dumas, J.-M. [1 ]
机构：
[1] Universite de Bordeaux, Talence, France
来源：
Quality and Reliability Engineering International | 1992年 / 8卷 / 03期
关键词：
Metallurgy; -; Noise; Spurious Signal--Spectrum Analysis;
D O I：
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中图分类号：
学科分类号：
摘要：
Low frequency noise measurements have been performed on conventional AlGaAs/GaAs HEMTs in the temperature range-110-300K and in the frequency range 10 Hz-25kHz. The characteristics of deep levels have been determined from the channel noise current spectral intensity evolution versus the temperature. The contribution of the DX centre to the channel noise current has been evaluated for different gate bias. A correlation between the parasitic MESFET operation in the HEMT and the channel noise behaviour has been found.
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页码：301 / 305
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