CST – Computer Simulation Technology

Time domain modeling of PCB discontinuities
G.Antonini, A.Ciccomancini Scogna, A.Orlandi
Proc. Electrocomp 2003, Sixth International Conference on Computational Methods for the Solution of Electrical and Electromagnetic Engineering Problems, Spalato, Croazia.
10-12 Sep. 2003
This paper presents a systematic methodology for the synthesis of SPICE compatible circuits for PCB discontinuities modeling. Measured or numerically evaluated S-parameters are used to obtain the frequency dependent matrix characterization of the structure to be analyzed. Frequency responses are then approximated with rational functions suitable for a stable and passive realization. The equivalent circuit network is finally synthesized and incorporated in a commercial circuit solver that allows both frequency and time domain simulations.

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