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Digital calibration of gain and linearity in a CMOS RF mixer
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.ORCID iD: 0000-0003-3802-7834
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.
2008 (English)In: Proceedings - IEEE International Symposium on Circuits and Systems, 2008, 1288-1291 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a new digital calibration technique that allows CMOS Gilbert cell down-conversion mixers to meet their block specifications under large process, temperature and power supply variations. The gain and IIP3 are calibrated by regulating the current of the input differential pair and by switching the loads. IIP2 calibration is achieved by using a novel technique that consists of offset voltages cancellation in the switching pairs. The technique is tested by calibrating a 0.18um CMOS mixer in several corner conditions. It is found that by using this calibration technique, the Gilbert cell mixer can achieve yields comparable to digital circuits, hence making it amenable to AMS SoC integration.

Place, publisher, year, edition, pages
2008. 1288-1291 p.
Series
IEEE International Symposium on Circuits and Systems, ISSN 0277-674X ; 1-10
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-38371DOI: 10.1109/ISCAS.2008.4541661ISI: 000258532101053Scopus ID: 2-s2.0-51749095051ISBN: 978-1-4244-2078-0 (print)OAI: oai:DiVA.org:kth-38371DiVA: diva2:437276
Conference
IEEE International Symposium on Circuits and Systems Location: Seattle, WA Date: MAY 18-21, 2008
Available from: 2011-08-29 Created: 2011-08-25 Last updated: 2011-08-29Bibliographically approved

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Rusu, Ana

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • fi-FI
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  • Other locale
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Output format
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