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A precise 90º quadrature OTA-C oscillator tunable in the 50-130-MHz range

dc.creatorLinares Barranco, Bernabées
dc.creatorSerrano Gotarredona, María Teresaes
dc.creatorRamos Martos, J.es
dc.creatorCeballos Cáceres, Joaquín Franciscoes
dc.creatorLinares Barranco, Alejandroes
dc.date.accessioned2018-06-13T14:56:42Z
dc.date.available2018-06-13T14:56:42Z
dc.date.issued2004
dc.identifier.citationLinares Barranco, B., Serrano Gotarredona, M.T., Ramos Martos, J., Ceballos Cáceres, J.F. y Linares Barranco, A. (2004). A precise 90º quadrature OTA-C oscillator tunable in the 50-130-MHz range. IEEE Transactions on Circuits and Systems I: Regular Papers, 51 (4), 649-663.
dc.identifier.issn1549-8328es
dc.identifier.urihttps://hdl.handle.net/11441/76164
dc.description.abstractWe present a very-large-scale integration continuous-time sinusoidal operational transconductance amplifiers quadrature oscillator fabricated in a standard double-poly 0.8-μm CMOS process. The oscillator is tunable in the frequency range from 50 to 130 MHz. The two phases produced by the oscillator show a low-quadrature phase error. A novel current-mode amplitude control scheme is developed that allows for very small amplitudes. Stability of the amplitude control loop is studied as well as design considerations for its optimization. Experimental results are provided.es
dc.formatapplication/pdfes
dc.language.isoenges
dc.publisherInstitute of Electrical and Electronics Engineerses
dc.relation.ispartofIEEE Transactions on Circuits and Systems I: Regular Papers, 51 (4), 649-663.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectAmplitude controles
dc.subjectAnalog very large-scale integration (VLSI)es
dc.subjectImpedance probees
dc.subjectMultiphase oscillatorses
dc.subjectOperational transconductance amplifiers (OTA)-Ces
dc.subjectOscillator stabilityes
dc.subjectPhase noisees
dc.subjectQuadrature oscillatorses
dc.subjectSinusoidal oscillatorses
dc.subjectTransconductance-capacitance oscillatorses
dc.titleA precise 90º quadrature OTA-C oscillator tunable in the 50-130-MHz rangees
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/acceptedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Arquitectura y Tecnología de Computadoreses
dc.relation.publisherversionhttp://dx.doi.org/10.1109/TCSI.2004.823673es
dc.identifier.doi10.1109/TCSI.2004.823673es
idus.format.extent15 p.es
dc.journaltitleIEEE Transactions on Circuits and Systems I: Regular Paperses
dc.publication.volumen51es
dc.publication.issue4es
dc.publication.initialPage649es
dc.publication.endPage663es

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