Equivalent linear and non-linear circuit model of superconducting microstrip normal and enhanced T-junction structures

Abolfazl Mostaani | S. Mohammad Hassan Javadzadeh

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URL :   http://research.shahed.ac.ir/WSR/WebPages/Report/PaperView.aspx?PaperID=43892
Date :  2017/08/16
Publish in :    IET Microwaves, Antennas & Propagation
DOI :  https://doi.org/10.1049/iet-map.2016.0484
Link :  http://digital-library.theiet.org/content/journals/10.1049/iet-map.2016.0484
Keywords :Equivalent, Superconducting, Normal, Enhanced

Abstract :

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In this paper equivalent linear and nonlinear circuit model of superconducting microstrip T-junction (SMT) structures is proposed. Two types of SMT structures are analyzed using suggested model and their scattering behavior is compared using both the method of moment (MOM) and the finite element method (FEM). The fundamental and third-order harmonic (H3) outputs are obtained using harmonic balance (HB) method to observe the nonlinear behavior in SMT structures. A linear and nonlinear model for enhanced SMT structures is also suggested and verified by s-parameters comparison between the model and FEM method. The nonlinearity in enhanced structures is modeled, similarly and compared with results of normal structures.