Cavity-stacked filter in CLAF-SIW technology for millimeter waves

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dc.contributor.authorSegura-Gómez, Cleofás
dc.contributor.authorBiedma-Pérez, Andrés
dc.contributor.authorSantiago Arriazu, David
dc.contributor.authorPalomares-Caballero, Ángel
dc.contributor.authorArregui Padilla, Iván
dc.contributor.authorGómez Laso, Miguel Ángel
dc.contributor.authorPadilla, Pablo
dc.contributor.departmentIngeniería Eléctrica, Electrónica y de Comunicaciónes_ES
dc.contributor.departmentIngeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritzaeu
dc.contributor.departmentInstitute of Smart Cities - ISCen
dc.date.accessioned2025-07-03T06:10:27Z
dc.date.available2025-07-03T06:10:27Z
dc.date.issued2025-03-01
dc.date.updated2025-07-03T05:56:38Z
dc.description.abstractThis work presents the design of a cavity-stacked bandpass filter (BPF) using contactless air-filled substrate integrated waveguide (CLAF-SIW) technology for millimeter-wave frequencies. This technology is a variant of air-filled SIW technology, incorporating contactless techniques. It enables the reduction of dielectric losses in SIW filters while supporting multilayer structures with robust assembly. The cavity-stacked filter topology allows for very good frequency responses with a reduced footprint and no transitions needed. As an example, a 4th-order Chebyshev bandpass filter composed of four stacked cavities, coupled through irises, is shown. The iris layers are fabricated by metallizing the slot edges of a PCB, while the cavity layers are implemented using CLAF-SIW. The filter has been designed and manufactured to provide a passband response from 36 GHz to 37.5 GHz. A good agreement between measurement and simulation has been achieved. The losses in the proposed CLAF-SIW filter are primarily due to the metal roughness of the low-cost commercial laminates used.en
dc.description.sponsorshipThis work has been supported by grant TED2021-129938B-I00 funded by MCIN/AEI/10.13039/501100011033 and by the European Union NextGenerationEU/PRTR. It has also been supported by Grants PID2020-112545RB-C53, PID2020-112545RB-C54, PDC2022-133900-I00, and PDC2023-145862-I00, funded by MCIN/AEI/10.13039/501100011033 and by the European Union NextGenerationEU/PRTR. It has also been supported by Grant FPU20/00256 funded by MCIN/AEI/10.13039/501100011033 and by ESF Investing in your future.
dc.format.mimetypeapplication/pdf
dc.identifier.citationSegura-Gómez, C., Biedma-Pérez, A., Santiago, D., Palomares-Caballero, Á., Arregui, I., Laso, M. A. G., Padilla, P. (2025) Cavity-stacked filter in CLAF-SIW technology for millimeter waves. AEU - International Journal of Electronics and Communications, 193, 1-7. https://doi.org/10.1016/j.aeue.2025.155725
dc.identifier.doi10.1016/j.aeue.2025.155725
dc.identifier.issn1434-8411
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/54379
dc.language.isoeng
dc.publisherElsevier
dc.relation.ispartofAEU - International Journal of Electronics and Communications, 193, 1-7
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/TED2021-129938B-I00/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-112545RB-C53/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-112545RB-C54/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PDC2022-133900-I00/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PDC2023-145862-I00/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICIU//FPU2020%2F00256/
dc.relation.publisherversionhttps://doi.org/10.1016/j.aeue.2025.155725
dc.rights© 2025 The Authors. Published by Elsevier GmbH. This is an open access article under the CC BY-NC license.
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectCavity-stacked filtersen
dc.subjectChebyshev filteren
dc.subjectCLAF-SIW technologyen
dc.subjectElectromagnetic bandgapen
dc.subjectMillimeter wavesen
dc.subjectPlanar technologiesen
dc.titleCavity-stacked filter in CLAF-SIW technology for millimeter wavesen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
relation.isAuthorOfPublication6f83dc88-ad13-4dac-a420-65bfd08fbc77
relation.isAuthorOfPublication73fc11f9-d4ba-47d3-97da-348dc12f8c39
relation.isAuthorOfPublication0a35b95a-3bd5-47bd-8b7c-bae7eda96ee6
relation.isAuthorOfPublication.latestForDiscovery6f83dc88-ad13-4dac-a420-65bfd08fbc77

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