Modern control engineering (3rd ed.)
Modern control engineering (3rd ed.)
Model order reduction for strictly passive and causal distributed systems
Proceedings of the 39th annual Design Automation Conference
Analysis of Multiconductor Transmission Lines
Analysis of Multiconductor Transmission Lines
Structure preserving reduction of frequency-dependent interconnect
Proceedings of the 42nd annual Design Automation Conference
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
PRIMA: passive reduced-order interconnect macromodeling algorithm
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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Computation of passive and compact macromodels of distributed interconnects has gained considerable importance during the recent years. Method of characteristics (MoC) is widely used for macromodeling of transmission lines, however, it may not be guaranteed passive. This paper presents a new algorithm for passivity enforcement of MoC-based macromodels of multiconductor transmission lines. The algorithm is based on the first-order perturbation of the related delay differential equations and can handle single as well as coupled interconnects. Necessary theoretical foundations and validating numerical results are presented.