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Wideband Balanced Filters With Intrinsic Common-Mode Suppression on Coplanar Stripline-Based Multimode Resonators
Zhao-An Ouyang1; Lei Zhu1; Lei-Lei Qiu2
2022-03
Source PublicationIEEE Transactions on Circuits and Systems I: Regular Papers
ISSN1549-8328
Abstract

In this paper, two types of coplanar stripline (CPS)-based multimode stepped-impedance resonators are proposed for exploration of wideband balanced filters with intrinsic common-mode (CM) suppression. Such CPS multimode resonators (MMRs) can be readily terminated with either a pair of open- or short-circuited ends with no need of via holes. With resorting to a proper impedance ratio, the first three modes of each MMR are assembled to construct a wide differential-mode (DM) passband. Afterwards, two distinctive broadside-coupled sections are further investigated based on their open- and short-ended circuit models, respectively. Characteristic impedances and effective dielectric constants can be adequately obtained by virtue of an efficient quasi-static approach under the odd- and the even-mode operations. As such, two types of CPS-MMR-based bandpass filters each with five transmission poles are synthetically designed. For experimental validation, the proposed balanced filters are finally fabricated and measured with the help of two identical pairs of balanced-to-balanced microstrip-to-CPS transitions. Theoretical, simulated, and measured results are found in reasonable agreement with each other with/without the transitions, thus demonstrating that the proposed CPS-based MMRs are well characterized with the wideband DM transmission and intrinsic CM suppression.

KeywordCapacitance Common-mode Suppression Coplanar Stripline Impedance Microstrip Multimode Resonator Passband Resonators Stripline Transition Wideband Wideband Balanced Filter.
DOI10.1109/TCSI.2022.3153500
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000767827100001
Scopus ID2-s2.0-85125714559
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorLei Zhu
Affiliation1.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau 999078, China.
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau 999078, China, and also with the School of Physics and Electronics, Central South University, Changsha 410083, China.
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Zhao-An Ouyang,Lei Zhu,Lei-Lei Qiu. Wideband Balanced Filters With Intrinsic Common-Mode Suppression on Coplanar Stripline-Based Multimode Resonators[J]. IEEE Transactions on Circuits and Systems I: Regular Papers,2022.
APA Zhao-An Ouyang,Lei Zhu,&Lei-Lei Qiu.(2022).Wideband Balanced Filters With Intrinsic Common-Mode Suppression on Coplanar Stripline-Based Multimode Resonators.IEEE Transactions on Circuits and Systems I: Regular Papers.
MLA Zhao-An Ouyang,et al."Wideband Balanced Filters With Intrinsic Common-Mode Suppression on Coplanar Stripline-Based Multimode Resonators".IEEE Transactions on Circuits and Systems I: Regular Papers (2022).
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