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Pipelined Analog-Digital Converters Integral Nonlinearity Modeling for Post-Correction
Signal Processing Lab, ACCESS Linnaeus Center, Royal Institute of Technology.
Signal Processing Lab, ACCESS Linnaeus Center, Royal Institute of Technology.ORCID iD: 0000-0002-2718-0262
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences. University of Gävle, Center for RF Measurement Technologies. (Elektronik)ORCID iD: 0000-0001-5429-7223
Signal Processing Lab, ACCESS Linnaeus Center, Royal Institute of Technology.
2010 (English)In: 17th Symposium IMEKO TC4 - Measurement of Electrical Quantities, 15th International Workshop on ADC Modelling and Testing, and 3rd Symposium IMEKO TC19: Environmental Measurements / [ed] Linus Michaeli, Jan Saliga, 2010, 585-590 p.Conference paper, Published paper (Refereed)
Abstract [en]

Input-dependent integral nonlinearity (INL) model is developed for pipeline ADC post-correction. The INL model consists of a static and dynamic part. The INL model is subtracted out of the ADC digital output for compensation. Static compensation is performed by adjacent sets of gains and offsets. Each set compensates an output code k range. The frequency content of the INL dynamic component is used to design a set of filters blocks that performs ADC compensation in the time domain. The compensation scheme is applied to measured data of two 12-bit ADCs of the same type (Analog Devices AD9430). Performance improvements in terms of spurious free dynamic range (SFDR), signal-to-noise and Distortion ratio (SINAD), intermodulation istortion (IMD) are obtained.

Place, publisher, year, edition, pages
2010. 585-590 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hig:diva-7581Scopus ID: 2-s2.0-84872533065ISBN: 978-161782338-1 (print)OAI: oai:DiVA.org:hig-7581DiVA: diva2:351261
Conference
7th Symposium IMEKO TC4 - Measurement of Electrical Quantities, 15th International Workshop on ADC Modelling and Testing, and 3rd Symposium IMEKO TC19 - Environmental Measurements, 8-10 September, Kosice, Slovakia
Available from: 2010-09-13 Created: 2010-09-13 Last updated: 2016-08-10Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Language
  • sv-SE
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