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A General Formulation of Analog-to-Digital Converters Using Parallel Sigma-Delta Modulators and Modulation Sequences
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
2006 (English)In: Asia Pacific Conference on Circuits and Systems,2006, IEEE , 2006Conference paper, Published paper (Refereed)
Abstract [en]

A formulation based on multirate theory is introduced for analog-to-digital converters using parallel sigma-delta modulators in conjunction with modulation sequences. It is shown how the formulation can be used to analyze a system's sensitivity to channel mismatch errors by means of circulant and pseudo-circulant matrices. It is demonstrated how the time-interleaved-modulated (TIM), Hadamard-modulated (HM) and frequency-band decomposition (FBD) converters can be viewed as special cases of this more general description, and it is shown why the TIM and HM ADCs are sensitive to channel mismatch errors, whereas the FBD ADCs are not.

Place, publisher, year, edition, pages
IEEE , 2006.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-34734Local ID: 22972OAI: oai:DiVA.org:liu-34734DiVA: diva2:255582
Available from: 2009-10-10 Created: 2009-10-10

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http://www.es.isy.liu.se/publications/papers_and_reports/2006/APCCAS06_antonb.pdf

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Blad, AntonJohansson, HåkanLöwenborg, Per

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