Application of ADE-LIM to multiconductor transmission lines with nonlinear drivers and terminations

Abstract

This paper describes an application technique of the alternating direction explicit-latency insertion method (ADE-LIM) to multiconductor transmission lines (MTLs) with nonlinear drivers and terminations. The ADE-LIM is an improved method of the LIM for the fast transient analysis of large interconnects. In this paper, MTLs are modeled into a per-unit-length equivalent circuit with tightly coupled elements, and driven and terminated by nonlinear elements such as diodes and CMOS inverters. To deal with these types of elements in the ADE-LIM simulation, ADE-based formulations including coupled and nonlinear elements are proposed. Numerical results show that the ADE-LIM is about 6.5 times faster than the LIM with appropriate accuracy.