A New Approach to Canonical Dual-Mode Cavity Filter Design

Abstract : This paper presents a new approach to the design of canonical dual-mode cavity filters within representation theory. Instead of the folded canonical coupling matrix, which results from using the resonances of the empty cavities as a basis, a representation based on the resonances of the cavities with all perturbations present is used. The resulting coupling matrix takes the form of a cul-de-sac configuration. For canonical dual-mode filters with a symmetric response, it allows direct design of the entire structure, except of the input cavity that requires optimization. A sixth-order filter with two symmetrically located transmission zeros is presented to document the validity of the approach. A sixth-order filter with two transmission zeros above the passband is also presented.
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IEEE Transactions on Microwave Theory and Techniques, Institute of Electrical and Electronics Engineers, 2009, 57 (5), pp.1196 -1206. 〈10.1109/TMTT.2009.2017362〉
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Contributeur : Fabien Seyfert <>
Soumis le : vendredi 27 janvier 2012 - 13:01:24
Dernière modification le : jeudi 11 janvier 2018 - 16:17:47

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Maged Bekheit, Smain Amari, Fabien Seyfert. A New Approach to Canonical Dual-Mode Cavity Filter Design. IEEE Transactions on Microwave Theory and Techniques, Institute of Electrical and Electronics Engineers, 2009, 57 (5), pp.1196 -1206. 〈10.1109/TMTT.2009.2017362〉. 〈hal-00663525〉

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