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本文建立了能直接用于ＳＰＩＣＥ电路分析程序中的ＰＥＴ－ＧＰ模型。研究表明：可以采用两种方法来使用ＰＥＴ－ＧＰ模型。本文利用所研究器件的结构参数计算了ＰＥＴ－ＧＰ模型参数β＿Ｆ和特征频率ｆ＿Ｔ，ｆ＿Ｔ的计算和实验结果符合较好。β＿Ｆ的计算表明，所研究器件的多晶硅／硅界面复合较强，复合速度Ｓ＿ｐ达到１０￣６ｃｍ／ｓ。
In this paper, a PET-GP model that can be directly used in the SPICE circuit analysis program is established. Research shows that two methods can be used to use the PET-GP model. In this paper, the parameters of the PET-GP model β_F and the characteristic frequency f_T are calculated by the structural parameters of the device studied. The calculation and experimental results of f_T are in good agreement. The calculation of β_F shows that the polysilicon / silicon interface of the device under study is strong, and the composite velocity S_p reaches 10 ~ 6cm / s.