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A causal reasoning-based approach for analog circuit verification

  • Stony Brook University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

This paper proposes a novel analog circuit verification approach using causal reasoning. To verify analog circuits, the flow begins with mining the causal reasoning steps (design plan) that produced the circuit, including starting ideas, design step sequence, and their justification [1]. Then, topological structures corresponding to the starting ideas and design step sequences are verified individually by replacing the related devices with ideal amplifier model. Circuit performance is evaluated through Spectre simulation. Comparing simulation results reveals incorrect functional issues and/or performance drawbacks (negative causes) of certain starting ideas or design steps, which might have been omitted during the design process. The paper discusses three operational amplifier designs realized in 0.2-μm CMOS technology to illustrate the verification approach.

Original languageEnglish
Title of host publication2015 International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design, SMACD 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781467391849
DOIs
StatePublished - Oct 19 2015
EventInternational Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design, SMACD 2015 - Istanbul, Turkey
Duration: Sep 7 2015Sep 9 2015

Publication series

Name2015 International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design, SMACD 2015

Conference

ConferenceInternational Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design, SMACD 2015
Country/TerritoryTurkey
CityIstanbul
Period09/7/1509/9/15

Keywords

  • CMOS op-amp
  • analog verification
  • causal reasoning

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