An in-place processor design for real-value FFTs targeting in-situ dynamic ADC test

Brendan Mullane, Vincent O'Brien

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

Abstract

This paper presents a processor architecture for Fast Fourier Transform computation of real-valued signals for on-chip analog to digital converter test and evaluation. The design performs a radix-2 technique optimized for low area overhead and easy integration into system on chips. The hardware logic supports variable transform lengths and accurate parameter extraction. The processor has been validated on 0.18um CMOS silicon and applied to a data converter test application for extraction of dynamic parameters that are SINAD, SFDR and THD. The architecture is suitable for safety-critical applications where spectral integrity of the converter signal path can be run at start-up or during interval down times.

Original languageEnglish
Title of host publication2018 IEEE 61st International Midwest Symposium on Circuits and Systems, MWSCAS 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages591-594
Number of pages4
ISBN (Electronic)9781538673928
DOIs
Publication statusPublished - 2 Jul 2018
Event61st IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2018 - Windsor, Canada
Duration: 5 Aug 20188 Aug 2018

Publication series

NameMidwest Symposium on Circuits and Systems
Volume2018-August
ISSN (Print)1548-3746

Conference

Conference61st IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2018
Country/TerritoryCanada
CityWindsor
Period5/08/188/08/18

Keywords

  • Fast Fourier Transform (FFT)
  • Analog to Digital Converter (ADC)
  • Built-In-Self-Test (BIST)
  • CORDIC
  • In-place
  • Real Value Fast Fourier Transform (RFFT)

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