应用电路分析程序SPICE的一个先决条件是要给出晶体管的各种模型参数.模型参数的精度,在很大程度上决定电路分析的精度.快速确定晶体管模型参数是在生产中监控集成电路的性能和成品率的重要手段之一.此外,模型参数的自动提取还可以为建立版图尺寸、工艺条件、模型参数等几个方面的数据库起重要作用.所以,模型参数的自动提取系统是电路和集成电路工艺的计算机辅助设计、分析的重要工具. MOSFET模型参数提取系统经过一个直接测量的方法,可靠、迅速、有效地提取出MOSFET模型参数.整个系统包括硬件和软件两大部分.硬件的功能是利用IBM-PC个人计算机自动产生对被测器件所需要的控制电流、电压信号,通过逐点扫描的方法将被 A prerequisite for applying the circuit analysis program SPICE is to give the various model parameters of the transistor.The accuracy of the model parameters largely determines the accuracy of the circuit analysis The rapid determination of the transistor model parameters is to monitor the performance of the integrated circuit in production And yield an important means.Moreover, the automatic extraction of model parameters can also play an important role in establishing a database of several aspects such as layout size, process conditions, model parameters, etc. Therefore, the automatic extraction of model parameters is a combination of circuit and integration Circuit technology CAD-based design and analysis of an important tool. MOSFET model parameter extraction system through a direct measurement method to reliably, quickly and effectively extract the MOSFET model parameters. The whole system includes two parts of hardware and software. The function of the hardware is The use of IBM-PC personal computer automatically generated on the device under test control current and voltage signals, through the point-by-point scanning method will be