本文用HEMT小信号等效电路模型,考虑到HEMT与MESFET结构上的不同点,具体分析了HEMT小信号等效电路中串联电阻、寄生电感、寄生电容和本征元件参数的提取方法.采用这些方法,提取了HEMT器件32-39GHz八个频率点的S参数值.实验结果表明,该方法简单有效,具有可操作性.
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