Block SAPOR: block Second-order Arnoldi method for Passive Order Reduction of multi-input multi-output RCS interconnect circuits

Authors:
Bang Liu;Xuan Zeng;Yangfeng Su;Jun Tao;Zhaojun Bai;Charles Chiang;Dian Zhou
Affiliations:
Fudan University, Shanghai, P.R. China;Fudan University, Shanghai, P.R. China;Fudan University, Shanghai, P.R. China;Fudan University, Shanghai, P.R. China;University of California, Davis, CA;Synopsys Inc., Mountain View, CA;Fudan University, Shanghai, P.R. China
Venue:
Proceedings of the 2005 Asia and South Pacific Design Automation Conference
Year:
2005

Citing 7
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Abstract

Recently model order reduction techniques for second-order systems have obtained many research interests for the simulation of RCS interconnect circuits employing susceptance elements. In this paper, we propose a Block SAPOR (Block Second-order Arnoldi method for Passive Order Reduction) for Multi-Input Multi-Output RCS Circuits. The proposed Block SAPOR algorithm can simultaneously guarantee passivity and achieve higher accuracy than the first order reduction technique PRIMA. Most importantly, the reduced system matrices obtained by the proposed method can preserve the structure of the original system matrices. Such a nice property makes it possible to construct an equivalent RCS circuit for the reduced system.