Mean quantisation noise power for an SPT analogue-to-digital converter

R Perry, DR Bull, AR Nix

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

The mean quantisation noise power introduced by a signed power-of-two (SPT) analogue-to-digital converter (ADC) is determined. This type of converter approximates an integer (in two's complement format), obtained from an ADC with uniformly distributed quantisation levels, using a signed power-of-two number. The mean quantisation noise power is shown to be strongly dependent on the number of terms used in the signed power-of-two approximation while being largely independent of the two's complement number wordlength
Translated title of the contributionMean quantisation noise power for an SPT analogue-to-digital converter
Original languageEnglish
Pages (from-to)295 - 296
Number of pages2
JournalElectronics Letters
Volume32
Issue number4
DOIs
Publication statusPublished - Feb 1996

Bibliographical note

Publisher: Institution of Electrical Engineers (IEE)
Rose publication type: Journal article

Sponsorship: The authors wish to thank Hewlett Packard
Laboratories and the EPSRC for their support of this work and to thank the other members at the Centre for Communications at the
University of Bristol

Keywords

  • quantisation (signal)
  • analogue-digital conversion
  • circuit noise

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