Miniaturized Dual-Band SIW-Based Bandpass Filters Using Open-Loop Ring Resonators

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dc.contributor.authorPradhan, Nrusingha Charan
dc.contributor.authorKoziel, Slawomir
dc.contributor.authorBarik, Rusan Kumar
dc.contributor.authorPietrenko-Dabrowska, Anna
dc.contributor.authorKarthikeyan, Sholampettai Subramanian
dc.date.accessioned2026-11-02T05:01:21Z
dc.date.available2026-11-02T05:01:21Z
dc.date.issued2023-09-21
dc.description.abstractThis article presents two novel architectures of dual-band substrate-integrated waveguide (SIW) bandpass filters (BPFs). Initially, two identical open-loop ring resonators (OLRRs) were coupled face-to-face on the top of the SIW cavity to realize a dual-band single-pole BPF. To obtain two-pole dual-band characteristics, two OLRRs resonant units were assembled horizontally within the top metal layer of the SIW, which is a technique used for the first time in the literature. For demonstration purposes, two types of SIW filters loaded with OLRRs were designed and fabricated. The proposed filters feature an extremely compact size, a low insertion loss, and good selectivity. The single- and two-pole filters have an overall size of 0.012 (Formula presented.) (Formula presented.) and 0.041 (Formula presented.) (Formula presented.), respectively. The simulated and measured circuit responses are in good agreement.
dc.identifier.issn20799292
dc.identifier.urihttps://doi.org/10.3390/electronics12183974
dc.identifier.urihttp://nitt.ndl.gov.in/handle/123456789/385
dc.language.isoen
dc.publisherMultidisciplinary Digital Publishing Institute (MDPI)
dc.relation.ispartofseriesElectronics (Switzerland); Vol. 12/ No. 18/ Art. 3974
dc.titleMiniaturized Dual-Band SIW-Based Bandpass Filters Using Open-Loop Ring Resonators
dc.typeArticle
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