Publicação:
A linearly-tunable OTA-C sinusoidal oscillator for low-voltage applications

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dc.contributor.authorDe Lima, Jader A. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:20:23Z
dc.date.available2014-05-27T11:20:23Z
dc.date.issued2002-01-01
dc.description.abstractA low-voltage, low-power OTA-C sinusoidal oscillator based on a triode-MOSFET transconductor is here discussed. The classical quadrature model is employed and the transconductor inherent nonlinear characteristic with input voltage is used as the amplitude-stabilization element. An external bias VTUNE linearly adjusts the oscillation frequency. According to a standard 0.8μm CMOS n-well process, a prototype was integrated, with an effective area of 0.28mm2. Experimental data validate the theoretical analysis. For a single 1.8V-supply and 100mV≤VTUNE≤250mV, the oscillation frequency fo ranges from 0.50MHz to 1.125MHz, with a nearly constant gain KVCO=4.16KHz/mV. Maximum output amplitude is 374mVpp @1.12MHz. THD is -41dB @321mVpp. Maximum average consumption is 355μW.en
dc.description.affiliationVLSI Design and Instrumental Electrical Engineering Dept Universidade Estadual Paulista, 12516-410 Guaratinguetá SP
dc.description.affiliationUnespVLSI Design and Instrumental Electrical Engineering Dept Universidade Estadual Paulista, 12516-410 Guaratinguetá SP
dc.identifierhttp://dx.doi.org/10.1109/ISCAS.2002.1011011
dc.identifier.citationProceedings - IEEE International Symposium on Circuits and Systems, v. 2.
dc.identifier.doi10.1109/ISCAS.2002.1011011
dc.identifier.issn0271-4310
dc.identifier.scopus2-s2.0-0036287115
dc.identifier.urihttp://hdl.handle.net/11449/66771
dc.identifier.wosWOS:000186280700104
dc.language.isoeng
dc.relation.ispartofProceedings - IEEE International Symposium on Circuits and Systems
dc.relation.ispartofsjr0,237
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCMOS integrated circuits
dc.subjectComputer simulation
dc.subjectElectric network topology
dc.subjectIntegrated circuit layout
dc.subjectMOSFET devices
dc.subjectNumerical analysis
dc.subjectQuadrature amplitude modulation
dc.subjectTransconductance
dc.subjectTransfer functions
dc.subjectAmplitude stabilization element
dc.subjectCircuit complexity
dc.subjectFinite source resistance
dc.subjectMaximum output amplitude
dc.subjectOscillation frequency
dc.subjectVariable frequency oscillators
dc.titleA linearly-tunable OTA-C sinusoidal oscillator for low-voltage applicationsen
dc.typeTrabalho apresentado em evento
dcterms.licensehttp://www.ieee.org/publications_standards/publications/rights/rights_policies.html
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Arquitetura, Artes, Comunicação e Design, Baurupt
unesp.departmentDesign - FAACpt

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Bauru - FAAC - Faculdade de Arquitetura, Artes, Comunicação e Design