Data processing: structural design – modeling – simulation – and em – Simulating electronic device or electrical system – Circuit simulation
Reexamination Certificate
2011-04-05
2011-04-05
Rodriguez, Paul L (Department: 2123)
Data processing: structural design, modeling, simulation, and em
Simulating electronic device or electrical system
Circuit simulation
C716S030000, C716S030000
Reexamination Certificate
active
07921004
ABSTRACT:
Methods and apparatus are provided for analyzing transmission lines with decoupling of connectors and other circuit elements. According to one aspect of the invention, circuits with one or more parasitic elements are analyzed by partitioning at least one of the parasitic elements in a transverse manner; identifying a plurality of subcircuits each comprised of partitioned circuit elements from the plurality of transmission lines and one or more parasitic elements in a given path; wherein each of the subcircuits is associated with a path in the circuit; performing a waveform relaxation analysis between each of the subcircuits; and repeating the step of performing the waveform relaxation analysis using waveforms determined in a previous iteration until convergence to a resultant waveform has occurred. The circuit can optionally further comprise one or more transmission lines which would also be partitioned in a transverse manner.
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Elfadel Ibrahim M.
Huang Hao Ming
Ruehli Albert E.
International Business Machines - Corporation
Rodriguez Paul L
Ryan & Mason & Lewis, LLP
Thangavelu Kandasamy
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