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A technique to improve the convergency speed of relaxation-based circuit simulations on tightly coupled circuits

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2 Author(s)
Chen, R.M.M. ; Dept. of Electron. Eng., City Polytech. of Hong Kong, Kowloon, Hong Kong ; Jia, X.D.

A technique to improve the convergency speed of relaxation-based circuit simulations is presented. This technique may overcome the difficulty of slow convergence or non-convergence characteristics of relaxation-based circuit simulation methods when the circuit contains tightly coupled components or strong feedback loops. This technique relies on the partitioning method to decompose the M matrix into r sub-circuit matrices Mii such that the effect of tight coupling or feedback to the ith sub-circuit from the nodes outside of the sub-circuit is removed by solving zi from the interconnection level matrix equation

Published in:

Circuits and Systems, 1993., ISCAS '93, 1993 IEEE International Symposium on

Date of Conference:

3-6 May 1993