符号网络函数在晶体管交流参数提取中的应用

Application of Symbolic Network Functions in Extraction of Transistor AC Model Parameters

介绍了一种用于晶体管交流模型参数提取中特性估值的新方法。它采用晶体管等效电路的Ｚ参数符号网络函数来计算晶体管交流特性，消除了常规方法中通过求节点电压方程获得特性的耗时过程，因此大大提高了提取效率。

A novel technique is described for characteristics estimation in transistor AC model parameter extraction.In this technique, Z parameter symbolic network functions for transistor equivalent circuit are used to calculate transistor AC characteristics,eliminating the time consuming process in the conventional method,where characteristics are calculated by solving node voltage equations.This technique greatly increases extraction efficiency.An example is given to illustrate the new method.