A Design of Microstrip Lowpass Filter with Wide Rejection Band and Sharp Transition Band Utilizing Semi-Circle Resonators

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dc.contributor.authorAbdipour, Askan
dc.contributor.authorAbdipour, Arash
dc.contributor.authorAlahverdi, N.
dc.coverage.issue4cs
dc.coverage.volume27cs
dc.date.accessioned2020-04-21T09:37:17Z
dc.date.available2020-04-21T09:37:17Z
dc.date.issued2018-12cs
dc.description.abstractIn this paper, a microstrip lowpass filter with -3 dB cut-off frequency of 2.1 GHz consisting of three cascaded resonators with different semi-circle patches and four suppressors employing radial stubs has been proposed. To indicate the role of each employed microstrip transmission line in the structure of its resonance cell, the equations of the transfer function and transition zero of the resonator have been calculated, separately. The designed filter has been constructed and tested, and a good agreement between the results of simulation and measurement has been achieved. In the whole rejection region, a return loss better than +0.28 dB and a 19.656 GHz stopband bandwidth with high rejection level of 32 dB have been obtained. Moreover, a flat insertion loss close to zero in the passband and sharp cutoff slope (203.57 dB/GHz) can verify desired frequency response. The proposed filter has a high figure of merit equal to 24241.69.en
dc.formattextcs
dc.format.extent1043-1049cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2018 vol. 27, č. 4, s. 1043-1049. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2018.1043en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/186801
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2018/18_04_1043_1049.pdfcs
dc.rightsCreative Commons Attribution 4.0 International licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectMicrostrip Lowpass filteren
dc.subjecttransfer function and transition zeroen
dc.subjectsemi-circle patchesen
dc.titleA Design of Microstrip Lowpass Filter with Wide Rejection Band and Sharp Transition Band Utilizing Semi-Circle Resonatorsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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