Artículo
Design of compact low-pass elliptic filters using double-sided MIC technology
Autor/es | Velázquez Ahumada, María del Castillo
Martel Villagrán, Jesús Medina Mena, Francisco |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo Universidad de Sevilla. Departamento de Física Aplicada II |
Fecha de publicación | 2007 |
Fecha de depósito | 2020-06-12 |
Publicado en |
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Resumen | A novel implementation of stepped-impedance low-pass elliptic filters is presented in this paper. The filters are based on the well-known technique of cascading high- and low-impedance sections to simulate the ladder LC ... A novel implementation of stepped-impedance low-pass elliptic filters is presented in this paper. The filters are based on the well-known technique of cascading high- and low-impedance sections to simulate the ladder LC lumped-circuit prototype. We propose in this study a new approach to build up the constitutive circuit elements by taking advantage of the use of both sides of the substrate. The use of double-sided technology yields both design flexibility and good circuit performance. High-impedance sections are achieved by using slots in the backside of the substrate, whereas low-impedance sections are obtained with parallel-plate capacitors. In order to achieve the transmission poles corresponding to the elliptic design, these capacitors are series connected to the ground plane by means of high-impedance coplanar-waveguide lines, which mainly act as inductors. As a final step, meandering techniques have been applied to the high-impedance sections of the filter to reduce the overall circuit size. The measurement of several fabricated filters shows fairly good agreement between theory and experiment. |
Identificador del proyecto | TEC2004-03214
TIC-253 |
Cita | Velázquez Ahumada, M.d.C., Martel Villagrán, J. y Medina Mena, F. (2007). Design of compact low-pass elliptic filters using double-sided MIC technology. IEEE Transactions on Microwave Theory and Techniques, 55 (1), 121-127. |
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