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This paper presents closed-form expressions for a equivalent circuit model of a via hole in a two-layered dielectric substrate. Analytical expressions are obtained from the formally exact mode-matching formulation of the problem. Numerical results obtained by our closed-form expressions for the scattering parameters are compared to those by Ansoft's high frequency structure simulator (HFSS). Excellent...
In this contribution, the translation of the field theoretical description of microwave structures into a practical network theoretical one, as has been established by Nathan Marcuvitz in his work “Waveguide Handbook” will be reviewed. We will show how Nathan Marcuvitz organized the book in a clear and logical structure. We will also highlight the characteristic features of the book including the...
This paper treats filter characteristics of periodic structure in the ferrite waveguide under cutoff which include left-handed operation, resonance in the evanescent mode and mode concerned with Bragg reflection. Equivalent circuit model and simulation are used to get dispersion characteristics and scattering parameters. Left-handed characteristics at negative permeability region are discussed with...
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