Artículo
Design of Broadband Aperture-Coupled Stacked Microstrip Antennas Using Second-Order Filter Theory
Autor/es | García Alcaide, Nieves
Fernández Prieto, Armando Rodríguez Boix, Rafael Losada Torres, Vicente Martel Villagrán, Jesús Medina Mena, Francisco |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo Universidad de Sevilla. Departamento de Física Aplicada I Universidad de Sevilla. Departamento de Física Aplicada II |
Fecha de publicación | 2022-07 |
Fecha de depósito | 2024-04-01 |
Publicado en |
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Premios | Premio Mensual Publicación Científica Destacada de la US. Facultad de Física |
Resumen | In this article, the authors propose a lumped circuit methodology for the design of broadband stacked microstrip patch antennas fed through an aperture. First, an equivalent circuit (EC) is introduced for the antenna. The ... In this article, the authors propose a lumped circuit methodology for the design of broadband stacked microstrip patch antennas fed through an aperture. First, an equivalent circuit (EC) is introduced for the antenna. The EC consists of an LC series resonator modeling the feed plus two capacitively coupled LC parallel resonators accounting for the radiating patches. Then, a deembedding procedure based on total least squares method is introduced to determine all the parameters of the antenna EC. Second, the circuit stage modeling the patches is designed as a second-order Chebyshev filter based on coupled resonators. Since the standard Chebyshev approach leads to circuit parameters that cannot be physically obtained in practice, a modified second-order quasi-Chebyshev design is presented, which can be physically implemented by stacking one conventional rectangular patch above one rectangular patch with both inner and meandering slots. The proposed methodology is used to design an antenna with over 30% bandwidth at a center frequency of 5.57 GHz. A prototype has been fabricated and measured, and good agreement has been found between simulations and experiments. |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) |
Identificador del proyecto | PID2020-116739GB-I00
TEC2017-84724-P |
Cita | García Alcaide, N., Fernández Prieto, A., Rodríguez Boix, R., Losada Torres, V., Martel Villagrán, J. y Medina Mena, F. (2022). Design of Broadband Aperture-Coupled Stacked Microstrip Antennas Using Second-Order Filter Theory. IEEE Transactions on Antennas and Propagation, 70 (7), 5345-5356. https://doi.org/10.1109/TAP.2022.3161345. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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AP2106-1190_final_version.pdf | 6.847Mb | [PDF] | Ver/ | Versión aceptada |
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