Inproceedings,

Reduced-order Modeling of Large Linear Subcircuits via a Block Lanczos Algorithm

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DAC '95 Proceedings of the 32nd annual ACM/IEEE Design Automation Conference, page 474--479. New York, ACM, ACM, (1995)
DOI: 10.1145/217474.217573

Abstract

A method for the efficient computation of accurate reduced-order models of large linear circuits is described. The method, called MPVL, employs a novel block Lanczos algorithm to compute matrix Padé approximations of matrix-valued network transfer functions. The reduced-order models, computed to the required level of accuracy, are used to speed up the analysis of circuits containing large linear blocks. The linear blocks are replaced by their reduced-order models, and the resulting smaller circuit can be analyzed with general-purpose simulators, with significant savings in simulation time and, practically, no loss of accuracy.

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