混合信号电路的衬底电阻网络模型  

Automatic Generation of Substrate Resistor Network for Mixed-Signal IC's

作　　者：田洪宇[1] 余志平[1] 田立林[1] 张文俊[1] 

机构地区：[1]清华大学微电子学研究所,北京100084

出　　处：《微电子学》2003年第1期1-4,共4页Microelectronics

基　　金：国家重点基础研究项目(GG200036502)

摘　　要：　通过等效电路数值提取方法,提出了衬底电阻网络模型,该模型具有清晰的物理意义,可获得很好的精度,有利于混合信号电路衬底耦合效应的模拟。将该模型应用于规则和不规则区域的电阻值提取,用Hspice电路模拟器对电阻网络进行模拟,与Medici器件模拟器模拟结果和解析公式结果进行比较,证明了该模型的准确性。Based on the technique for numerical extraction of equivalent circuits, a substrate resistor network model is proposed in the paper. Having clear physical meaning and good accuracy, the model facilitates simulation of the substrate coupling effect for mixedsignal IC's.The model is used for the resistor extraction of regular and irregular regions.The resistor network is simulated using Hspice circuit simulator and the results are compared with those from simulation using Medici device simulator and analytic equations, thereby the accuracy of the model is analyzed.

关 键 词：混合信号电路 衬底电阻 网络模型 电路提取 衬底耦合 芯片 

分 类 号：TM13[电气工程—电工理论与新技术]