半导体学报2005,Vol.26Issue(7):1340-1346,7.
基于等效电路降阶的电源/地线网络快速瞬态模拟
Fast Analysis of Power/Ground Networks via Circuit Reduction
摘要
Abstract
This paper presents an efficient algorithm for reducing RLC power/ground network complexities by exploitation of the regularities in the power/ground networks. The new method first builds the equivalent models for many series RLC-current chains based on their Norton's form companion models in the original networks,and then the precondition conjugate gradient based iterative method is used to solve the reduced networks, which are symmetric positive definite. The solutions of the original networks are then back solved from those of the reduced networks.Experimental results show that the complexities of reduced networks are typically significantly smaller than those of the original circuits, which makes the new algorithm extremely fast. For instance, power/ground networks with more than one million branches can be solved in a few minutes on modern Sun workstations.关键词
时域分析/P/G网络/模型降阶/RLC电路Key words
circuit simulation/power/ground network/model reduction/RLC circuit分类
信息技术与安全科学引用本文复制引用
蔡懿慈,潘著,Sheldon X D Tan,洪先龙,傅静静..基于等效电路降阶的电源/地线网络快速瞬态模拟[J].半导体学报,2005,26(7):1340-1346,7.基金项目
国家高技术研究发展计划(批准号:2002AA1Z1460)和国家自然科学基金(批准号:90307017)资助项目 (批准号:2002AA1Z1460)