2001
DOI: 10.1109/22.971625
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Full-wave analysis of coupling between combline resonators and its application to combline filters with canonical configurations

Abstract: Resonant frequencies and coupling coefficient between two combline cavities, in the presence of other cavities, are obtained accurately using the mode-matching technique. The effect of iris dimensions and position on the electric and magnetic coupling is rigorously investigated. The corresponding data for two isolated cavities are included for comparison. The adjacent and nonadjacent couplings are rigorously investigated for different configurations of three coupled cavities. A four-pole slot-coupled elliptic … Show more

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Cited by 41 publications
(28 citation statements)
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“…The same limitations are found in the work performed in Ruiz-Cruz et al [2005], where a CAD tool Radio Science 10.1002 for the analysis and design of rectangular waveguide filters with elliptic response was presented using the mode-matching method. Another remarkable contribution can be found in El Sabbagh et al [2001], where a full-wave analysis of comb-line waveguide filters was performed. Although the authors claimed that a rigorous full-wave method was used in the analysis stage, the connection between the coaxial probes and the considered cylindrical posts was not taken into account in the multimodal analysis.…”
Section: Introductionmentioning
confidence: 99%
“…The same limitations are found in the work performed in Ruiz-Cruz et al [2005], where a CAD tool Radio Science 10.1002 for the analysis and design of rectangular waveguide filters with elliptic response was presented using the mode-matching method. Another remarkable contribution can be found in El Sabbagh et al [2001], where a full-wave analysis of comb-line waveguide filters was performed. Although the authors claimed that a rigorous full-wave method was used in the analysis stage, the connection between the coaxial probes and the considered cylindrical posts was not taken into account in the multimodal analysis.…”
Section: Introductionmentioning
confidence: 99%
“…Este tipo de filtros, que usualmente se excitan mediante sonda coaxial en configuración colineal, está constituido por la asociación de un conjunto de resonadores rectangulares cargados con postes conductores [73]. Los resonadores se acoplan entre sí mediante los correspondientes irises de acoplamiento cuya geometría, generalmente, es de tipo rectangular.…”
Section: Análisis Multimodal De La Excitación Coaxial De Dispositivosunclassified
“…En este capítulo se analizará de una manera rigurosa y eficiente la configuración en la que la sonda coaxial no contacta con el poste conductor, y se dejará el otro tipo de configuración como futura línea de investigación. La excitación de dispositivos mediante sonda coaxial en configuración colineal suele emplearse frecuentemente en el diseño de filtros en configuración comb-line 2 [73], [74], en el diseño de diplexores [75], y en el de filtros en línea 1 A este tipo de configuración en la que a la sonda coaxial se le añade en su extremo un disco conductor se le suele denominar comúnmente excitación mediante sonda de tipo "champiñón". 2 El análisis de filtros en configuración comb-line se tratará en profundidad en el capítulo 5. implementados en guía rectangular [76], [77], [78].…”
Section: Introductionunclassified
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