THEORY AND EXPERIMENT OF THE TEMPERATURE-DEPENDENCE OF GAALAS/GAAS HBTS CHARACTERISTICS FOR POWER-AMPLIFIER APPLICATIONS

被引:7
作者
BAILBE, JP
ANDRIEUX, L
CAZARRE, A
CAMPS, T
MARTY, A
TASSELLI, J
GRANIER, H
机构
[1] Laboratoire d'Analyse et d'Architecture des Systèmes, CNRS, 31077 Toulouse Cedex, 7, Avenue du Colonel Roche
关键词
D O I
10.1016/0038-1101(94)00125-Y
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Modelling of thermal effects of GaAlAs/GaAs HBTs d.c. and r.f. characteristics is presented. The thermal resistance value is determined experimentally and introduced in a model. Good agreement between measured results and those from modelling is demonstrated. The r.f. performance shows a good stability at high temperature (f(max) is reduced by about 12% due to temperature rise). For the high signal mode, the simulation of a power amplifier at 3 GHz is also carried out with and without temperature effects.
引用
收藏
页码:279 / 286
页数:8
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