On Sensitivity of Bias Operation Point in Transistors with Moderate Inversion

I. M. Filanovsky, L. B. Oliveira

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

Abstract

The paper analyses sensitivity, with respect to the threshold voltage, of bias operation point in the analog circuits using moderate inversion. It is shown that this regime is highly sensitive with respect to the threshold voltage variation. Such high sensitivity imposes unrealistic requirements on the threshold voltage tolerances, so that it is practically impossible to design an amplifier with moderate inversion in the stages without adaptable or tunable threshold voltage. It is also shown that, as a result of this mode of inversion, some important design metrics (cancelling of the third order distortion) are unrealizable.

Original languageEnglish
Title of host publication2019 IEEE 62nd International Midwest Symposium on Circuits and Systems, MWSCAS 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages168-171
Number of pages4
ISBN (Electronic)9781728127880
DOIs
Publication statusPublished - Aug 2019
Event62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019 - Dallas, United States
Duration: 4 Aug 20197 Aug 2019

Publication series

NameMidwest Symposium on Circuits and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
Volume2019-August
ISSN (Print)1548-3746

Conference

Conference62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019
CountryUnited States
CityDallas
Period4/08/197/08/19

Keywords

  • bias point sensitivity
  • moderate inversion
  • MOS transistor model
  • strong inversion
  • weak inversion

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