Electromagnetic equivalent models for printed circuit boards inside a metallic enclosure Using a coaxial-to-waveguide transition calibration
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Lozano Guerrero, Antonio José; Monzó Cabrera, Juan; Clemente Fernández, Francisco Javier; Fayos Fernández, José; Pedreño Molina, Juan Luis; [et al.]Patrocinadores
This 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/04Fecha de publicación
2012-07Editorial
IEECita bibliográfica
LOZANO 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 0018-9375Palabras clave
CalibrationCascade systems
Modeling
Waveguide transitions
Shielding
Resumen
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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