Two compact configurations for implementing transmission zeros in microstrip filters
Autor
Cañete Rebenaque, David; Quesada Pereira, Fernando Daniel; Pascual García, Juan; Álvarez Melcón , Alejandro; Guglielmi, MarcoGrupo de investigación
Grupo de Electromagnetismo Aplicado a las Telecomunicaciones (GEAT)Área de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
This work was supported by the Spanish National Projects ESP2001-4546-PE and TIC2000-0591-C03-03, and the Regional Seneca Project 2002, ref. PB/4/FS/02Fecha de publicación
2004-10Editorial
IEEE Microwave Theory and Techniques SocietyCita bibliográfica
CAÑETE REBENAQUE, David, QUESADA PEREIRA, Fernando Daniel, PASCUAL GARCÍA, Juan, ÁLVAREZ MELCÓN, Alejandro, GUGLIELMI, M. Two compact configurations for implementing transmission zeros in microstrip filters. IEEE Microwave Theory and Wireless Component Letters , 14 (1): 475-477, Octubre 2004. ISSN 1531-1309Palabras clave
Ceros de transmisiónFiltros de microcinta
Polos y ceros
Transmission zeros
Microstrip filter
Poles and zeros
Resumen
This contribution presents compact structures for the
implementation of transmission zeros using the zero shifting property.
First, two open-loop resonators operating at different resonances
are employed. Then, one of the open-loop resonators is substituted
by a ( 4) short-circuited transmission line, thus resulting
into a more compact structure. Properties of these configurations
are discussed, and two manufactured prototypes have been sucessfully
tested. The results showthe usefullness and validity of the new
structures with high rejection capabilities.
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