Equivalent circuit model for radiating lossy wire-interconnection structures including external field coupling

A broadband equivalent circuit model for arbitrary lossy wire networks including moderate radiation losses is extended in order to account for frequency-dependent ohmic losses. Based on a quasistatic Method-of-Moments-eigenvalue problem a modal multiport circuit is derived with minimal computational effort, offering fast convergence and inherent stability for time-domain simulations with arbitrary active/passive non-linear loads. Incident electromagnetic field excitation is considered by additional modal sources. The proposed model is validated in the time domain.