Abstract

This paper presents a method based on multipoint Pade approximation in conjunction with the method of characteristics for the reduced order modeling and simulation of coupled multiconductor transmission lines (MTL) with frequency dependent losses. Specifically, the skin-effect loss associated with conductors is the primary modeling and simulation concern. Recursive algorithms generate sets of frequency-shifted moments used with the multipoint Pade approximation. The multipoint Pade approach provides for accurate broadband approximation of the transfer function and characteristic admittance. The time simulation is accomplished via the method of indirect numerical integration. Delay extraction is used to ensure the accuracy of the time domain simulation, especially for low loss lines.

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