Novel implementations for microstrip resonator filters in transversal topology
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Cañete Rebenaque, David; Martínez Mendoza, Mónica; Pascual García, Juan; Gómez Díaz, Juan Sebastián; Álvarez Melcón , AlejandroResearch Group
Grupo de Electromagnetismo Aplicado a las Telecomunicaciones (GEAT)Knowledge Area
Teoría de la Señal y las ComunicacionesSponsors
The authors thank Ministerio de Educación y Ciencia of Spain, which has supported this work under Grant TEC2007- 67630-C03/TCM,Publication date
2009Publisher
Institute Electrical and Electronics Engineers (IEEE)Bibliographic Citation
CAÑETE REBENAQUE, David et al. Novel implementations for microstrip resonator filters in transversal topology. En: European Microwave Conference. EuMC (39ª: 2009: Roma) European Microwave Week 2009. Conference Proceedings, 28 September - 2 October 2009 . Rome, Italy: Science, Progress and Quality at Radiofrequencies. Roma: Institute Electrical and Electronics Engineers, 2009. Pp. 775 - 778. ISBN 978-1-4244-4748-0Keywords
Filtros de banda de pasoFiltros microstrip
Resonador microstrip
Filtros resonadores
Microstrip resonator
Microstrip filters
Bandpass filters
Resonator filters
Abstract
This paper presents novel implementations of bandpass filters in multilayered microstrip technology. The structures presented implement transversal filter topologies of order three. In order to allow for easy implementation of the required couplings, multilayered broadside configurations are proposed. We demonstrate that with the proposed configurations, both dualband and quasi-elliptic responses can be easily synthesized, by only changing the sign of certain entries in the coupling matrix. To easily adjust the signs of the couplings, novel resonators are proposed, including simple half-wavelength transmission line resonators, meander line resonators and short-circuited resonators. Experimental validation for one prototype is presented, demonstrating the validity and usefulness of the proposed configurations.
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