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dc.contributor.authorLi, Jian-Yuen_US
dc.contributor.authorChi, Chun-Hsiangen_US
dc.contributor.authorChang, Chi-Yangen_US
dc.date.accessioned2014-12-08T15:06:19Z-
dc.date.available2014-12-08T15:06:19Z-
dc.date.issued2010-12-01en_US
dc.identifier.issn0018-9480en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TMTT.2010.2083930en_US
dc.identifier.urihttp://hdl.handle.net/11536/4905-
dc.description.abstractA systematic and analytical method for the exact synthesis of generalized Chebyshev wideband hybrid ring based bandpass filters with a controllable transmission zero pair is developed in this paper. The basic configuration of the proposed filters consists of a hybrid ring, a multi-section short-circuited stub and a multi-section open-circuit stub. In this configuration, the position of the controllable transmission zero pair can be easily designed by setting the impedances of the multi-section short-circuited stub and the multi-section open-circuit stub. According to the position of the controllable transmission zero pair, two kinds of filters are proposed. The filter has a controllable transmission zero pair on the real axis (imaginary frequency) that they can be arranged to improve the group delay flatness. On the other hand, the filter has a controllable transmission zero pair on the imaginary axis (real frequency) and the desired stopband suppression can be obtained by adjusting the optimal position of them. This synthesis method is developed to obtain the impedance value of each line section and ripple factors of the filters with respect to given specifications (center frequency, passband bandwidth and transmission zeros). Two design examples, the fifth-order filter with a controllable imaginary frequency transmission zero pair and the fifth-order filter with a controllable real frequency transmission zero pair, are synthesized and fabricated. The measured results validate and confirm the theoretical predictions.en_US
dc.language.isoen_USen_US
dc.subjectGeneralized Chebyshev responseen_US
dc.subjecthybrid ring based bandpass filteren_US
dc.subjecthybrid ringen_US
dc.subjectphase inverteren_US
dc.subjectwideband bandpass filteren_US
dc.titleSynthesis and Design of Generalized Chebyshev Wideband Hybrid Ring Based Bandpass Filters With a Controllable Transmission Zero Pairen_US
dc.typeArticle; Proceedings Paperen_US
dc.identifier.doi10.1109/TMTT.2010.2083930en_US
dc.identifier.journalIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUESen_US
dc.citation.volume58en_US
dc.citation.issue12en_US
dc.citation.spage3720en_US
dc.citation.epage3731en_US
dc.contributor.department電信工程研究所zh_TW
dc.contributor.departmentInstitute of Communications Engineeringen_US
dc.identifier.wosnumberWOS:000285246500037-
Appears in Collections:Conferences Paper


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