White Papers

Method of Modeling Differential Vias

Accurate, models for vias in a multilayer circuit board are necessary to predict link performance in the GHz regime. This white paper describes a methodology to build a high bandwidth, scalable first approximation circuit model using simple transmission lines of long vias typically used in thick backplane designs.

Authors: L. Simonovich, E. Bogatin and Y. Cao, April 2009

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