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On low power design of feedforward continuous-time sigma delta modulators with excess loop delay
KTH, School of Information and Communication Technology (ICT), Communication: Services and Infrastucture, Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication: Services and Infrastucture, Communication Systems, CoS.
2008 (English)In: PROCEEDINGS OF 2008 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, 2008, 1882-1885 p.Conference paper, Published paper (Refereed)
Abstract [en]

In high order single loop continuous-time (CT) sigma delta modulators, excess loop delay may cause instability. In this paper, previous techniques in compensation of internal quantizer and feedback DAC delays are studied especially for the feedforward structure. Two alternative low power feedforward continuous-time sigma delta modulators with excess loop delay compensation are proposed. Simulation based CT synthesis from discrete time topologies is adopted to obtain the loop filter coefficients. Design examples are given to illustrate the proposed structure and the synthesis methodology.

Place, publisher, year, edition, pages
2008. 1882-1885 p.
Series
IEEE International Symposium on Circuits and Systems, ISSN 0271-4302
Keyword [en]
DYNAMIC-RANGE, BANDWIDTH
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-38684DOI: 10.1109/ISCAS.2008.4541809ISI: 000258532101202Scopus ID: 2-s2.0-51749098740ISBN: 978-1-4244-2078-0 (print)OAI: oai:DiVA.org:kth-38684DiVA: diva2:444155
Conference
IEEE International Symposium on Circuits and Systems, Seattle, MAY 18-21, 2008
Note
QC 20110928Available from: 2011-09-28 Created: 2011-08-31 Last updated: 2011-09-28Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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