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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