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Putting the flex in flexible mobile wireless radios - A wideband continuous-time bandpass sigma-delta ADC for software radios
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.ORCID iD: 0000-0003-3802-7834
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
2006 (English)In: IEEE Circuits & Devices, ISSN 8755-3996, E-ISSN 1558-1888, ISSN 8755-3996, Vol. 22, no 6, 24-30 p.Article in journal (Refereed) Published
Abstract [en]

This article has provided a brief overview of the SigmaDelta ADC conversion technologies for SDRs. The wireless receiver challenges were identified, the ADC design considerations and SigmaDelta solutions were discussed, and a low-distortion CT BP SigmaDelta modulator architecture was presented. The article has shown that the proposed CT BP SigmaDelta modulator is suitable for implementing high-IF ADC, making possible the software radio in handhelds. The major challenges in implementing such a high-IF ADC are the power dissipation and the degree of configurability, programmability, and adaptability that can be achieved by applying digital tuning and adaptive calibration.

Place, publisher, year, edition, pages
2006. Vol. 22, no 6, 24-30 p.
Keyword [en]
modulator, receivers
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-16264DOI: 10.1109/MCD.2006.307273ISI: 000244266000005Scopus ID: 2-s2.0-33947393630OAI: oai:DiVA.org:kth-16264DiVA: diva2:334306
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2012-01-10Bibliographically approved

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Rusu, Ana

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