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Exhaustive Synthesis and Realization of Extended-Box Topologies With Dispersive Couplings

Abstract : In this paper, an exhaustive general synthesis method is proposed for the extended-box topologies with dispersive couplings, which is very suitable for the realization of the monoblock dielectric resonator filters. The difficulty of introducing the diagonal cross coupling calls for the extended-box topology. When properly utilizing the inevitable dispersion effect of the negative coupling introduced by a metalized blind hole, an extra transmission zero generates. Multiple solutions can be observed by solving the polynomial equation system established based on the congruent transformation, from which the solution most suitable for realization can be selected and realized. A sixpole filter in extended-box topology with a dispersive coupling is synthesized and EM designed for validation.
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Contributor : Fabien Seyfert Connect in order to contact the contributor
Submitted on : Thursday, November 25, 2021 - 2:38:05 PM
Last modification on : Saturday, June 25, 2022 - 11:54:03 PM
Long-term archiving on: : Saturday, February 26, 2022 - 6:42:34 PM


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Yan Zhang, Fabien Seyfert, Ke-Li Wu. Exhaustive Synthesis and Realization of Extended-Box Topologies With Dispersive Couplings. IMFW 2021 - International Microwave Filter Workshop, Nov 2021, Perugia, France. ⟨10.1109/IMFW49589.2021.9642326⟩. ⟨hal-03448656⟩



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