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Continuous-time CMOS adaptive asynchronous sigma-delta modulator approximating low-fs low-inband-error on-chip wideband power amplifier
dc.contributor.author | Alarcón Cot, Eduardo José |
dc.contributor.author | Fernández, Diego |
dc.contributor.author | García Tormo, Albert |
dc.contributor.author | Madrenas Boadas, Jordi |
dc.contributor.author | Poveda López, Alberto |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica |
dc.date.accessioned | 2012-01-12T19:13:58Z |
dc.date.available | 2012-01-12T19:13:58Z |
dc.date.created | 2011 |
dc.date.issued | 2011 |
dc.identifier.citation | Alarcón, 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.isbn | 978-1-4244-9472-9 |
dc.identifier.uri | http://hdl.handle.net/2117/14496 |
dc.description.abstract | A 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.extent | 4 p. |
dc.language.iso | eng |
dc.publisher | IEEE |
dc.subject | Àrees temàtiques de la UPC::Enginyeria electrònica::Microelectrònica::Circuits integrats |
dc.subject.lcsh | Integrated circuits |
dc.subject.lcsh | Switching circuits |
dc.subject.lcsh | Amplifiers (Electronics) |
dc.title | Continuous-time CMOS adaptive asynchronous sigma-delta modulator approximating low-fs low-inband-error on-chip wideband power amplifier |
dc.type | Conference report |
dc.subject.lemac | Circuits integrats |
dc.subject.lemac | Circuits de commutació |
dc.subject.lemac | Amplificadors (Electrònica) |
dc.contributor.group | Universitat Politècnica de Catalunya. AHA - Arquitectures Hardware Avançades |
dc.contributor.group | Universitat Politècnica de Catalunya. EPIC - Energy Processing and Integrated Circuits |
dc.identifier.doi | 10.1109/ISCAS.2011.5937561 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=05937561 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 9366561 |
dc.description.version | Postprint (published version) |
local.citation.author | Alarcón, E.; Fernández, D.; Garcia, A.; Madrenas, J.; Poveda, A. |
local.citation.contributor | IEEE International Symposium on Circuits and Systems |
local.citation.pubplace | Rio de Janeiro |
local.citation.publicationName | ISCAS 2011 the IEEE International Symposium on Circuits and Systems: proceedings |
local.citation.startingPage | 301 |
local.citation.endingPage | 304 |