PEEC equivalent circuits for dispersive dielectrics

Abstract

Dielectric losses are becoming more important with the recent increase in the frequency content of signals propagating in high speed printed circuit boards. In this work, we provide a systematic approach for including losses in PEEC models. Recursive convolution and circuit synthesis techniques are employed to take into account the dispersive behavior of the dielectric. Presently, the algorithm has been applied to materials with a Lorentzian model for the complex permittivity. The accuracy of the proposed approach is demonstrated by numerical examples.