Passive closed-form transmission-line model for general-purpose circuit simulators

被引：76

作者：

Dounavis, A ^{[1
]}

Li, X

Nakhla, MS

Achar, R

机构：

[1] Carleton Univ, Dept Elect, Ottawa, ON K1S 5B6, Canada

[2] Optotek Co, Ottawa, ON K1S 5B6, Canada

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1999年 / 47卷 / 12期

基金：

加拿大自然科学与工程研究理事会;

关键词：

circuit simulation; distributed transmission lines; high-speed interconnects; model-order reduction; moment-matching techniques; Pade approximation; transient analysis;

D O I：

10.1109/22.808992

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A passive closed-form model for multiconductor lossy transmission line analysis is presented in this paper. The proposed model is suitable for inclusion in general-purpose circuit simulators and overcomes the mixed frequency/time simulation difficulties encountered during the transient analysis. In addition, the model can handle frequency-dependent line parameters. This method offers an efficient means to discretize transmission lines compared to the conventional lumped discretization, while preserving the passivity of the discrete model. Coefficients describing the discrete model are computed a priori and analytically, using closed-form Fade. approximants of exponential matrices; Numerical examples are presented to demonstrate the validity of the proposed model and to illustrate its application to a variety of interconnect structures.

引用

页码：2450 / 2459

页数：10

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