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International audience; This paper proposes a macromodeling approach for the simulation of digital interconnected systems. Such an approach is based on a set of macromodels describing IC ports, IC packages and multiconductor interconnect structures in standard circuit simulators, like SPICE. We illustrate the features of the macromodels and we demonstrate the proposed approach on a realistic simulation problem.

International audience; A new analytical solution for the total power radiated by a single-wire line over a ground-plane is here proposed, for the special case of a lossless complex exponential current-distribution. The line is not assumed to be electrically short or “closed”, thus being suitable for assessing the emission/immunity of actual transmission lines as in the automotive domain. A practical procedure employing this model is proposed and it is shown to excellently agree with the experimental results obtained in a mode-stirred reverberation chamber. An application to unshielded multi-conductor transmission lines (MTL) is also proposed.