Journal ArticleDOI
Passive interconnect reduction algorithm for distributed/measured networks
TLDR
An efficient algorithm for the transient simulation of multiport distributed interconnect networks in the presence of nonlinear subcircuits that combines the merits of recently proposed Krylov-space techniques and block complex frequency-hopping to generate compact time-domain macromodels.Abstract:
This paper presents an efficient algorithm for the transient simulation of multiport distributed interconnect networks in the presence of nonlinear subcircuits. The proposed multilevel multipoint model-reduction algorithm combines the merits of recently proposed Krylov-space techniques and block complex frequency-hopping to generate compact time-domain macromodels. The method overcomes the difficulty of slower transient simulation caused by redundant poles in reduced-order models obtained by Krylov-space methods. Also, it provides an efficient means to translate Krylov-space-based reduced models of distributed/measured networks with frequency-dependent descriptions into time-domain macromodels. In addition, a strategy to preserve the passivity of macromodels during multilevel reduction is presented. An important advantage of the proposed algorithm is that it can directly handle distributed stamps such as transmission lines described by Telegrapher's equations, frequency-dependent parameters, full-wave, and measured subnetworks.read more
Citations
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Journal ArticleDOI
Simulation of high-speed interconnects
Ramachandra Achar,Michel Nakhla +1 more
TL;DR: In this review paper various high-speed interconnect effects are briefly discussed, recent advances in transmission line macromodeling techniques are presented, and simulation of high- speed interconnects using model-reduction-based algorithms is discussed in detail.
Journal ArticleDOI
Stability, Causality, and Passivity in Electrical Interconnect Models
TL;DR: This paper presents the fundamental properties of causality, stability, and passivity that electrical interconnect models must satisfy in order to be physically consistent and interpret several common situations where either model derivation or model use in a computer-aided design environment fails dramatically.
Journal ArticleDOI
Overview of Signal Integrity and EMC Design Technologies on PCB: Fundamentals and Latest Progress
TL;DR: The fundamentals and latest progress of modeling, analysis, and design technologies for signal integrity and electromagnetic compatibility on PCB and package in the past decades are reviewed and the necessity of practical training of designers is mentioned.
Journal ArticleDOI
A convex programming approach for generating guaranteed passive approximations to tabulated frequency-data
TL;DR: The approach, which incorporates passivity constraints via convex optimization algorithms, is guaranteed to produce a passive-system model that is optimal in the sense of having minimum error in the frequency band of interest over all models with a prescribed set of system poles.
Journal ArticleDOI
A fast algorithm and practical considerations for passive macromodeling of measured/simulated data
TL;DR: A fast algorithm for generating passive macro-models for simulated/measured data, based on linear formulation, is presented and new constraints are proposed to quickly generate passive macromodels.
References
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