Practical implementation of the spatial images technique for the analysis of shielded multilayered printed circuits
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AuthorGómez Díaz, Juan Sebastián; Martínez Mendoza, Mónica; Pérez Soler, Francisco J.; Quesada Pereira, Fernando Daniel; Álvarez Melcón , Alejandro
Research GroupGrupo de Electromagnetismo Aplicado a las Telecomunicaciones (GEAT)
Knowledge AreaTeoría de la Señal y las Comunicaciones
SponsorsThis work was supported by the Centro de Investigación Científica y Tecnólogica (CICYT) under Spanish National Project TEC2004-04313-C02-02/TCM and under Regional Seneca Project 02972/PI/05.
PublisherIEEE Microwave Theory and Techniques Society
Bibliographic CitationGÓMEZ DÍAZ, Juan Sebastian, MARTÍNEZ MENDOZA, Mónica, PÉREZ SOLER, Francisco Javier, QUESADA PEREIRA, Fernando Daniel, ÁLVAREZ MELCÓN, Alejandro. Practical implementation of the spatial images technique for the analysis of shielded multilayered printed circuits. IEEE Transactions on Microwave Theory and Techniques, 56 (1): 131-141, Enero 2008. ISSN 0018-9480
Integral Equation (IE)
Cajas de circuitos
Cajas de circuitos
In this paper, a practical implementation of the spatial images technique for the analysis of shielded multilayered printed circuits inside convex cavities is proposed. A new method is introduced in order to automatically locate the images surrounding the structure in order to impose the appropriate boundary conditions for the potentials. The boundary conditions are imposed at discrete points along the cavity wall and, therefore, the technique proposed is an approximation to the exact cavity modeling. Furthermore, for the analysis of electrically long cavities, the use of several rings of images surrounding the entire cavity at different heights is employed. Using the special features of the formulation, a new method of moments implementation combined with the spatial images technique is proposed in order to efficiently analyze practical multilayered printed filters, considerably reducing the computational cost. Several examples with CPU time comparisons are provided, de ...
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