Quintuple-mode wideband bandpass filter based on stub-loaded circular resonator

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dc.authoridDOGAN, ENGIN/0000-0003-4026-0125
dc.authoridGorur, Adnan/0000-0003-1661-6136
dc.authoridGorur, Ali Kursad/0000-0003-3001-959X
dc.contributor.authorGorur, Ali Kursad
dc.contributor.authorDogan, Engin
dc.contributor.authorGorur, Adnan
dc.date.accessioned2024-11-07T13:25:27Z
dc.date.available2024-11-07T13:25:27Z
dc.date.issued2022
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractIn this paper, novel compact wideband filters have been implemented using a stub-loaded microstrip resonator based on a circular open-loop configuration for the first time. To offer an alternative wideband filter configuration, the quadruple-/quintuple-mode wideband bandpass filters (BPFs) using stub-loaded circular microstrip resonator (SLCMR) and parallel-coupled microstrip line (PCML) feed configuration are proposed. They are realized by employing a single open stub and two open stubs, respectively. A half-wavelength (>lambda/2) circular microstrip resonator (CMR) loaded with two open stubs excites three resonant modes, while the one with a single stub produces two resonant modes. One of the modes is odd-mode generated by a lambda/2 CMR, the others are even-modes excited by the two loading stubs. The PCML with enhanced input/output (I/O) coupling degree excites also two modes in the passband. Two loading stubs not only creates transmission poles in the passband, they also create two transmission zeros in the lower and upper stopbands. The quadruple-/quintuple-mode wideband BPFs with fractional bandwidths FBW of 60% and 62% are successfully realized by using the SLCMR and PCML feed configuration together. Both filters are designed, fabricated, and tested where excellent agreement between simulated and measured results is observed.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TuBTAK) [119E476]
dc.description.sponsorshipThis work was supported by the Scientific and Technological Research Council of Turkey (TuBTAK) under Grant 119E476.
dc.identifier.doi10.1002/mmce.22927
dc.identifier.issn1096-4290
dc.identifier.issn1099-047X
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85116504883
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1002/mmce.22927
dc.identifier.urihttps://hdl.handle.net/11480/14727
dc.identifier.volume32
dc.identifier.wosWOS:000704557700001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofInternational Journal of Rf and Microwave Computer-Aided Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectmicrostrip filters
dc.subjectstub-loaded circular resonator
dc.subjectwideband filters
dc.titleQuintuple-mode wideband bandpass filter based on stub-loaded circular resonator
dc.typeArticle

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