An Efficient Closed Form Macromodeling Algorithm using Method of Characteristics for Lossy Multiconductor Transmission Lines

This paper presents an efficient time domain macromodeling algorithm for distributed lossy multiconductor transmission lines (MTLs) based on the method of characteristics (MoC). A key feature of the proposed algorithm is that the curve fitting depends only on the per-unit-length (p.u.l.) parameters and does not on the discretization of the macromodel. Thus, with the knowledge of the rational functions formed by the p.u.l. parameters, the proposed macromodel can be formulated in a closed form manner for any line length