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Detuning and saturation of superconducting devices: formulation and measurements
dc.contributor.author | Collado Gómez, Juan Carlos |
dc.contributor.author | Mateu Mateu, Jordi |
dc.contributor.author | Booth, James C. |
dc.contributor.author | O'Callaghan Castellà, Juan Manuel |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions |
dc.date.accessioned | 2007-11-23T19:30:53Z |
dc.date.available | 2007-11-23T19:30:53Z |
dc.date.created | 2006 |
dc.date.issued | 2007-06 |
dc.identifier.citation | Collado, C.; Mateu, J.; Booth, J. C.; O'Callaghan, J. Detuning and saturation of superconducting devices: formulation and measurements. IEEE MTT-S International Microwave Symposium, 2007. New York: Institute of Electrical and Electronic Engineers, 2007, p. 2023-2026. |
dc.identifier.issn | 0149-645X |
dc.identifier.uri | http://hdl.handle.net/2117/1371 |
dc.description.abstract | Saturation and detuning of high temperature superconducting (HTS) resonators and filters may occur due to the inherent nonlinear properties of the superconductor. In HTS transmission lines, these nonlinear properties introduce a dependence of the inductance and resistance per unit length on the current through the line and, if the line forms a resonator, this current dependence provokes changes in quality factor and/or resonant frequency with incident power. This paper derives equations for the dependence of the quality factor and resonant frequency of a nonlinear transmission line vs. source power and relates it to the circuit parameters of a nonlinear transmission line. The equations are verified with measurements in a 3.3 GHz YBa2Cu3O7-x (YBCO) coplanar waveguide (CPW) resonator at 76 K and with simulations using harmonic balance |
dc.format.extent | 4 |
dc.language.iso | eng |
dc.publisher | Institute of Electrical and Electronics Engineers |
dc.relation.ispartof | Detuning and saturation of superconducting devices: formulation and measurements |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques |
dc.subject.lcsh | Electric lines Superconducting |
dc.subject.lcsh | Electronic apparatus and appliances |
dc.subject.other | Detuning |
dc.subject.other | HTS |
dc.subject.other | Nonlinear transmission line |
dc.subject.other | Saturation |
dc.subject.other | Superconductor |
dc.subject.other | Superconducting resonator |
dc.title | Detuning and saturation of superconducting devices: formulation and measurements |
dc.type | Conference report |
dc.subject.lemac | Superconductors |
dc.subject.lemac | Dispositius electrònics |
dc.contributor.group | Universitat Politècnica de Catalunya. RF&MW - Grup de Recerca de sistemes, dispositius i materials de RF i microones |
dc.date.end | 2007-06-08 |
dc.date.start | 2007-06-03 |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Open Access |
local.personalitzacitacio | true |