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dc.contributor.authorAlarcón Cot, Eduardo José
dc.contributor.authorFernández, Diego
dc.contributor.authorGarcía Tormo, Albert
dc.contributor.authorMadrenas Boadas, Jordi
dc.contributor.authorPoveda López, Alberto
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica
dc.date.accessioned2012-01-12T19:13:58Z
dc.date.available2012-01-12T19:13:58Z
dc.date.created2011
dc.date.issued2011
dc.identifier.citationAlarcón, E. [et al.]. Continuous-time CMOS adaptive asynchronous sigma-delta modulator approximating low-fs low-inband-error on-chip wideband power amplifier. A: IEEE International Symposium on Circuits and Systems. "ISCAS 2011 the IEEE International Symposium on Circuits and Systems: proceedings". Rio de Janeiro: IEEE, 2011, p. 301-304.
dc.identifier.isbn978-1-4244-9472-9
dc.identifier.urihttp://hdl.handle.net/2117/14496
dc.description.abstractA mixed-signal continuous-time-processing standard CMOS implementation of an asynchronous sigma-delta modulator aimed to drive a switching amplifier operating as an on-chip wideband adaptive power supply is presented in this work. The paper first briefly discusses the fundamental limit tracking capabilities of a two-level switching signal to inband-error-free track a bandlimited signal with minimum average switching frequency. It is argued the adequacy of an adaptive asynchronous sigma-delta modulator (AAΣΔ) to approximate such fundamental characteristics. The second part of the paper presents mixed-signal design details of the various subcircuits implementing a CMOS low-power digitally-programmable AAΣΔ modulator, with 7 MHz average switching frequency operation and 1000 µm × 640 µm area occupancy.
dc.format.extent4 p.
dc.language.isoeng
dc.publisherIEEE
dc.subjectÀrees temàtiques de la UPC::Enginyeria electrònica::Microelectrònica::Circuits integrats
dc.subject.lcshIntegrated circuits
dc.subject.lcshSwitching circuits
dc.subject.lcshAmplifiers (Electronics)
dc.titleContinuous-time CMOS adaptive asynchronous sigma-delta modulator approximating low-fs low-inband-error on-chip wideband power amplifier
dc.typeConference report
dc.subject.lemacCircuits integrats
dc.subject.lemacCircuits de commutació
dc.subject.lemacAmplificadors (Electrònica)
dc.contributor.groupUniversitat Politècnica de Catalunya. AHA - Arquitectures Hardware Avançades
dc.contributor.groupUniversitat Politècnica de Catalunya. EPIC - Energy Processing and Integrated Circuits
dc.identifier.doi10.1109/ISCAS.2011.5937561
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=05937561
dc.rights.accessRestricted access - publisher's policy
local.identifier.drac9366561
dc.description.versionPostprint (published version)
local.citation.authorAlarcón, E.; Fernández, D.; Garcia, A.; Madrenas, J.; Poveda, A.
local.citation.contributorIEEE International Symposium on Circuits and Systems
local.citation.pubplaceRio de Janeiro
local.citation.publicationNameISCAS 2011 the IEEE International Symposium on Circuits and Systems: proceedings
local.citation.startingPage301
local.citation.endingPage304


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