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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/66771
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dc.contributor.authorDe Lima, Jader A.-
dc.date.accessioned2014-05-27T11:20:23Z-
dc.date.accessioned2016-10-25T18:17:32Z-
dc.date.available2014-05-27T11:20:23Z-
dc.date.available2016-10-25T18:17:32Z-
dc.date.issued2002-01-01-
dc.identifierhttp://dx.doi.org/10.1109/ISCAS.2002.1011011-
dc.identifier.citationProceedings - IEEE International Symposium on Circuits and Systems, v. 2.-
dc.identifier.issn0271-4310-
dc.identifier.urihttp://hdl.handle.net/11449/66771-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/66771-
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.language.isoeng-
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.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
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.identifier.doi10.1109/ISCAS.2002.1011011-
dc.identifier.wosWOS:000186280700104-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofProceedings - IEEE International Symposium on Circuits and Systems-
dc.identifier.scopus2-s2.0-0036287115-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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