Compact Wideband SIW Based Bandpass Filter for X, Ku and K Band Applications

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dc.contributor.authorDuraisamy, Tharani
dc.contributor.authorKamakshy, Selvajyothi
dc.contributor.authorKarthikeyan, Sholampettai Subramanian
dc.contributor.authorBarik, Rusan Kumar
dc.contributor.authorCheng, Qingsha S.
dc.coverage.issue2cs
dc.coverage.volume30cs
dc.date.accessioned2021-07-12T08:14:55Z
dc.date.available2021-07-12T08:14:55Z
dc.date.issued2021-06cs
dc.description.abstractThis paper presents a miniaturized bandpass filter (BPF) with characteristics of wider passband and stopband rejection using substrate integrated waveguide (SIW) technology. Slot loading mechanisms deployed on the upper layer of SIW and defective ground structure (DGS) on the ground plane are utilized to achieve wider passband and stopband respectively. The slots on the top layer along with DGS significantly enhances the selectivity of the filter by generating three transmission zeros (TZs) on the upper side of the passband. The proposed filter is simulated using full-wave simulators and the performance is validated through fabrication and testing of the prototype. The proposed SIW filter exhibits a low insertion loss of 1.52 dB over a wider passband from 9.17 GHz to 20.31 GHz with a 3 dB fractional bandwidth (FBW) of 76%. Further, a wider upper stopband is achieved with the rejection of more than 16 dB in the frequency range of 23 GHz to 40 GHz. The filter provides a flat group delay response of approximately 0.19 ns over the wider passband. The electrical size of the fabricated prototype is 1.05λg × 0.67λg, where λg denotes the guided wavelength in the dielectric substrate at the center frequency of 16 GHz.en
dc.formattextcs
dc.format.extent288-295cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2021 vol. 30, č. 2, s. 288-295. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2021.0288en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/200463
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2021/21_02_0288_0295.pdfcs
dc.rightsCreative Commons Attribution 4.0 International licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectSubstrate integrated waveguideen
dc.subjectband pass filteren
dc.subjectcompacten
dc.subjecttransmission zeroen
dc.subjectbow-tie shaped sloten
dc.titleCompact Wideband SIW Based Bandpass Filter for X, Ku and K Band Applicationsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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