Broadband permeability measurement method for ferrites at any magnetization state: direct problem.Report as inadecuate




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1 Lab-STICC - Laboratoire des sciences et techniques de l-information, de la communication et de la connaissance UMR 3192 2 Lab-STICC UBO MOM MF Lab-STICC - Laboratoire des sciences et techniques de l-information, de la communication et de la connaissance, UBO - Université de Brest

Abstract : A broadband permeability measurement method based on the full-wave electromagnetic EM analysis of a non-reciprocal transmission line is presented. The dispersion diagram for the first significant modes inside the ferrite loaded section of the line is obtained. The presence of magnetostatic modes generated by the magnetized ferrite inside the line is verified. Using a mode matching technique, the theoretical scattering parameters S-parameters of the transmission line are calculated. The fullwave analysis is validated with measurements of material properties in limit cases.

Keywords : Characterization of material parameters Microwave measurements





Author: Jorge Lezaca - Patrick Queffelec - Alexis Chevalier -

Source: https://hal.archives-ouvertes.fr/



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