Passive model order reduction of multiport distributed interconnects

Authors:
Emad Gad;Anestis Dounavis;Michel Nakhla;Ramachandra Achar
Affiliations:
Department of Electronics of Electronics, Carleton University, Ottawa, Ontario, Canada - K1S 5B6;Department of Electronics of Electronics, Carleton University, Ottawa, Ontario, Canada - K1S 5B6;Department of Electronics of Electronics, Carleton University, Ottawa, Ontario, Canada - K1S 5B6;Department of Electronics of Electronics, Carleton University, Ottawa, Ontario, Canada - K1S 5B6
Venue:
Proceedings of the 37th Annual Design Automation Conference
Year:
2000

Citing 8
Cited 0

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Abstract

Signal integrity analysis has become imperative for high-speed designs. In this paper, we present a new technique to advance Krylov-space based passive model-reduction algorithms to include lossy coupled transmission lines described by Telegrapher's equations. In the proposed scheme, transmission line subnetworks are treated with closed-form stamps obtained using matrix-exponential Padé, where the coefficients describing the model are computed a priori and analytically. In addition, a technique is given to ensure that the contribution of these stamps to the modified nodal analysis (MNA) formulation leads to guaranteed passive macromodel.