Article

Making Fourier-envelope simulation robust

Author:

Jaijeet RoychowdhuryAuthors Info & Claims

ICCAD '02: Proceedings of the 2002 IEEE/ACM international conference on Computer-aided design

Pages 240 - 245

https://doi.org/10.1145/774572.774608

Published: 10 November 2002 Publication History

Abstract

Fourier-envelope algorithms are an important component of the mixed-signal/RF verification toolbox. In this paper, we address the unpredictability and lack of robustness that has been reported for these algorithms. We show that the problem stems from fast oscillations in envelopes that are expected to be slowly varying. We demonstrate that this is related to the fact that the envelope equations are always stiff, whether or not the underlying system is. We show that careful choice of envelope initial conditions is necessary to obtain useful solutions, and propose two techniques for finding good initial conditions. Applying these, and solving the envelope equations with stiffly-stable numerical methods, we improve the robustness and reliability of Fourier-envelope methods. We illustrate the new methods with a direct-downconversion mixer circuit.

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Cited By

Farhan MNakhla MGad EAchar R(2017)Parallel High-Order Envelope-Following Method for Fast Transient Analysis of Highly Oscillatory CircuitsIEEE Transactions on Very Large Scale Integration (VLSI) Systems10.1109/TVLSI.2016.256644325:1(261-270)Online publication date: 1-Jan-2017
https://dl.acm.org/doi/10.1109/TVLSI.2016.2566443
Mei TRoychowdhury J(2005)An efficient and robust technique for tracking amplitude and frequency envelopes in oscillatorsProceedings of the 2005 IEEE/ACM International conference on Computer-aided design10.5555/1129601.1129686(599-603)Online publication date: 31-May-2005
https://dl.acm.org/doi/10.5555/1129601.1129686
Mei TRoychowdhury JCoffey THutchinson SDay DMalik SFix LKahng A(2004)Robust, stable time-domain methods for solving MPDEs of fast/slow systemsProceedings of the 41st annual Design Automation Conference10.1145/996566.996793(848-853)Online publication date: 7-Jun-2004
https://dl.acm.org/doi/10.1145/996566.996793

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Making Fourier-envelope simulation robust

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cover image ACM Conferences

ICCAD '02: Proceedings of the 2002 IEEE/ACM international conference on Computer-aided design

November 2002

793 pages

ISBN:0780376072

DOI:10.1145/774572

General Chair:
Lawrence T. Pileggi
Carnegie Mellon Univ., Pittsburgh, PA
,
Program Chair:
Andreas Kuehlmann
Cadence Berkeley Labs., Berkeley, CA

Copyright © 2002 ACM.

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SIGDA: ACM Special Interest Group on Design Automation
IEEE Circuits & Systems Society
IEEE-CS\DATC: IEEE Computer Society

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Association for Computing Machinery

New York, NY, United States

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Published: 10 November 2002

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ICCAD02: 2002 IEEE / ACM International Conference on Computer Aided Design

November 10 - 14, 2002

California, San Jose

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Cited By

Farhan MNakhla MGad EAchar R(2017)Parallel High-Order Envelope-Following Method for Fast Transient Analysis of Highly Oscillatory CircuitsIEEE Transactions on Very Large Scale Integration (VLSI) Systems10.1109/TVLSI.2016.256644325:1(261-270)Online publication date: 1-Jan-2017
https://dl.acm.org/doi/10.1109/TVLSI.2016.2566443
Mei TRoychowdhury J(2005)An efficient and robust technique for tracking amplitude and frequency envelopes in oscillatorsProceedings of the 2005 IEEE/ACM International conference on Computer-aided design10.5555/1129601.1129686(599-603)Online publication date: 31-May-2005
https://dl.acm.org/doi/10.5555/1129601.1129686
Mei TRoychowdhury JCoffey THutchinson SDay DMalik SFix LKahng A(2004)Robust, stable time-domain methods for solving MPDEs of fast/slow systemsProceedings of the 41st annual Design Automation Conference10.1145/996566.996793(848-853)Online publication date: 7-Jun-2004
https://dl.acm.org/doi/10.1145/996566.996793

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