一个完整和一致的电/热HBT模型

C. McAndrew
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引用次数: 31

摘要

具有明显自热特性的砷化镓异质结双极晶体管(HBT)电路必须采用耦合的电学和热仿真方法进行分析。作者提出了一个完整的、一致的、耦合的电/热模型。该模型适用于直流、交流、暂态大信号稳态、噪声及稳定性分析。给出了自热对器件性能影响的实例。当器件偏置在高功耗时,耦合模型是正确建模GaAs HBT行为所必需的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A complete and consistent electrical/thermal HBT model
GaAs heterojunction bipolar transistor (HBT) circuits with significant self-heating must be analyzed using coupled electrical and thermal simulation. The author presents a complete, consistent, coupled electrical/thermal model for such devices. The model is applicable to DC, AC, transient large-signal steady-state, noise and stability analyses. Examples of the effects of self-heating on device performance are given. The coupled model is necessary to model GaAs HBT behavior properly when devices are biased at high power dissipation.<>
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