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On Continuous-Time ...
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Garcia, JulianKTH,Integrerade komponenter och kretsar
(author)
On Continuous-Time Incremental Sigma Delta ADCs With Extended Range
- Article/chapterEnglish2013
Publisher, publication year, extent ...
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2013
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:kth-109782
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-109782URI
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https://doi.org/10.1109/TIM.2012.2212597DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20130125
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In this paper, the use of continuous-time implementation in extended-range (ER) incremental sigma-delta analog-to-digital converters is analyzed in order to explore a possible solution to low-power multichannel applications. The operation principle, possible loop filter topologies, and critical issues are considered using a general approach. It is demonstrated that, in order to fully benefit from ER, careful attention has to be paid to the analog-digital transfer function mismatches. A third-order single-bit topology validates the theoretical analysis. Its performance is evaluated while the impact of key circuit nonidealities is quantified through behavioral-level simulations. It is shown that, by applying analog-digital mismatch compensation in the digital domain, it is possible to relax the amplifiers' finite gain-bandwidth product and finite dc gain requirements, thus allowing a power-conscious alternative.
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Rodriguez, SaulKTH,Integrerade komponenter och kretsar(Swepub:kth)u1vuponf
(author)
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Rusu, AnaKTH,Integrerade komponenter och kretsar(Swepub:kth)u1ymok24
(author)
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KTHIntegrerade komponenter och kretsar
(creator_code:org_t)
Related titles
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In:IEEE Transactions on Instrumentation and Measurement62:1, s. 60-700018-94561557-9662
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