Electromagnetic equivalent models for printed circuit boards inside a metallic enclosure Using a coaxial-to-waveguide transition calibration
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AuthorLozano Guerrero, Antonio José; Monzó Cabrera, Juan; Clemente Fernández, Francisco Javier; Fayos Fernández, José; Pedreño Molina, Juan Luis; [et al.]
SponsorsThis work was supported in part by the Fundación Séneca, Agencia de Ciencia y Tecnología de la Región de Murcia, under the Séneca predoctoral fellowship with reference 16381/FPI/10 and under the project 00700/PPC/04
Bibliographic CitationLOZANO GUERRERO, Antonio José et al. Electromagnetic equivalent models for printed circuit boards inside a metallic enclosure using a coaxial-to-waveguide transition calibration. Electromagnetic Compatibility, IEEE Transactions on, 2012, 54 (4), 931-939 p. ISSN 0018-9375
Equivalent models of printed circuit boards are useful to simplify electromagnetic problems by reducing the computational costs of numerical simulations. In this paper, a new procedure for obtaining a simple equivalent model of printed circuit boards inside metallic enclosures is presented. The equivalent model is obtained in two steps: first we precisely characterize the coaxial to waveguide transitions used during measurements by means of an inverse procedure and then during a second inverse procedure, we carry out simulations by concatenating these transitions and the equivalent model and comparing to measurements. The optimized parameters for the equivalent model are: thickness, dielectric constant and the electric conductivity. Results for a printed circuit board in three scenarios have been obtained by using a sweep and two different optimization techniques. Benefits and drawbacks of the model are discussed. Results indicate that this procedure produces very precise characteri ...
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