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Nonlinear Analysis of Disk Resonators. Application to Material Characteritzation and Filter Design.
Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; O'Callaghan Castellà, Juan Manuel
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. RF&MW - Grup de Recerca de sistemes, dispositius i materials de RF i microones
A procedure for the numerical prediction of the microwave nonlinear behavior (intermodulation products, degradation of quality factors, etc.) of TM010 disk resonators has been developed. The procedure is based on relating a very general description of HTS nonlinearities with the circuit elements of a nonlinear radial transmission line. This radial transmission line is then analyzed using the harmonic balance algorithm. Successful cross-checks are performed by comparing simulations with theoretical results obtained for a specific model of HTS nonlinearity. The application of this procedure to the determination of nonlinear material parameters from disk resonator measurements is illustrated as well as its use for simulating filters with several inter-coupled disks.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques
Resonators
Microwave filters
High temperature superconductivity
high-temperature superconductors
intermodulation distortion
microwave filters
nonlinear distortion
superconducting filters
superconducting microwave devices
superconducting resonators
transmission line theory
transmission line theory
disk resonators
filter design
harmonic balance algorithm
high Tc superconductors
microwave nonlinear behavior
nonlinear analysis
nonlinear material parameters
nonlinear radial transmission line
Superconductivitat a alta temperatura
Resonadors dielèctrics
Microones
Article
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
         

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