dc.creator | Linares Barranco, Bernabé | es |
dc.creator | Serrano Gotarredona, María Teresa | es |
dc.creator | Ramos Martos, J. | es |
dc.creator | Ceballos Cáceres, Joaquín Francisco | es |
dc.creator | Linares Barranco, Alejandro | es |
dc.date.accessioned | 2018-06-13T14:56:42Z | |
dc.date.available | 2018-06-13T14:56:42Z | |
dc.date.issued | 2004 | |
dc.identifier.citation | Linares 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.issn | 1549-8328 | es |
dc.identifier.uri | https://hdl.handle.net/11441/76164 | |
dc.description.abstract | We 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.format | application/pdf | es |
dc.language.iso | eng | es |
dc.publisher | Institute of Electrical and Electronics Engineers | es |
dc.relation.ispartof | IEEE Transactions on Circuits and Systems I: Regular Papers, 51 (4), 649-663. | |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Amplitude control | es |
dc.subject | Analog very large-scale integration (VLSI) | es |
dc.subject | Impedance probe | es |
dc.subject | Multiphase oscillators | es |
dc.subject | Operational transconductance amplifiers (OTA)-C | es |
dc.subject | Oscillator stability | es |
dc.subject | Phase noise | es |
dc.subject | Quadrature oscillators | es |
dc.subject | Sinusoidal oscillators | es |
dc.subject | Transconductance-capacitance oscillators | es |
dc.title | A precise 90º quadrature OTA-C oscillator tunable in the 50-130-MHz range | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/acceptedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Arquitectura y Tecnología de Computadores | es |
dc.relation.publisherversion | http://dx.doi.org/10.1109/TCSI.2004.823673 | es |
dc.identifier.doi | 10.1109/TCSI.2004.823673 | es |
idus.format.extent | 15 p. | es |
dc.journaltitle | IEEE Transactions on Circuits and Systems I: Regular Papers | es |
dc.publication.volumen | 51 | es |
dc.publication.issue | 4 | es |
dc.publication.initialPage | 649 | es |
dc.publication.endPage | 663 | es |