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Parametric Macromodeling of Lossy and Dispersive Multiconductor Transmission Lines

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4 Author(s)
Francesco Ferranti ; Dept. of Inf. Technol., Ghent Univ., Ghent, Belgium ; Giulio Antonini ; Tom Dhaene ; Luc Knockaert

We propose an innovative parametric macromodeling technique for lossy and dispersive multiconductor transmission lines (MTLs) that can be used for interconnect modeling. It is based on a recently developed method for the analysis of lossy and dispersive MTLs extended by using the multivariate orthonormal vector fitting (MOVF) technique to build parametric macromodels in a rational form. They take into account design parameters, such as geometrical layout or substrate features, in addition to frequency. The presented technique is suited to generate state-space models and synthesize equivalent circuits, which can be easily embedded into conventional SPICE-like solvers. Parametric macromodels allow to perform design space exploration, design optimization, and sensitivity analysis efficiently. Numerical examples validate the proposed approach in both frequency and time domain.

Published in:

IEEE Transactions on Advanced Packaging  (Volume:33 ,  Issue: 2 )