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Harmonic balance algorithms for the nonlinear simulation of HTS devices
Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Parrón Granados, Josep; Pons, J.; O'Callaghan Castellà, Juan Manuel; Rius Casals, 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
This paper describes the application of Harmonic Balance algorithms to predict nonlinear effects in planar High Temperature Superconductors (HTS) microwave circuits. The resulting algorithms are fast and efficient and can be used both for the characterization of the nonlinearities in the HTS material, and for the prediction of the behavior of an HTS circuit given the parameters of these nonlinearities (such as a dependence of the surface impedance on the current density). Most previously published nonlinear HTS models can be used, because the algorithms are not restricted to a specific model of HTS nonlinearities. Two different types of algorithms are described: (1) algorithms specific for one-dimensional resonators (transmission lines and TM010 disk resonators) and (2) an algorithm based on the combination of Method of Moments and Harmonic Balance, applicable to 2D planar structures with few restrictions in their shape. Several cross-checks with theory and measurements are presented.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques
HTS
High temperature superconductivity
Method of moments (Statistics)
high-temperature superconductors
method of moments
microwave circuits
superconducting microwave devices
superconducting transmission lines
harmonic balance algorithms
nonlinear simulation
HTS devices
nonlinear effects
planar high temperature superconductors
microwave circuits
characterization
surface impedance
current density
one-dimensional resonators
transmission lines
TM010 disk resonators
2D planar structures
intermodulation distortion
Semiconductors
Circuits de microones
Article
KLUWER ACADEMIC/PLENUM PUBL
         

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