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The large number of ports in an interconnect structure is a critical limiting factor when applying model-order reduction. This is due to the fact that the size of the reduced model grows rapidly with increasing the number of ports, leading to large and dense circuit matrices. To address this problem, a novel method based on transverse partitioning and waveform relaxation is proposed for passive model-order...
The large number of coupled lines in an interconnect structure is a serious limiting factor in simulating high-speed circuits. In this paper, a transverse partitioning algorithm is presented for transient analysis of large multiconductor transmission line circuits. The new method uses a passive delay extraction-based macromodelling algorithm which makes the method suitable for both long and short...
This paper presents a generalized theory of passivity verification in delay-based macromodels for multiconductor transmission line networks generated using the method of characteristics (MoCs). We demonstrate that the passivity in an MoC macro-model is equivalent to the nonnegative definiteness in the admittance matrices of two submodels. We then provide the necessary and sufficient conditions for...
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