Enhancement of the peak power handling capability in microstrip filters by employing smooth-profiled conductor strips

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dc.contributor.authorAhmad, Jamil
dc.contributor.authorHussain, Jabir
dc.contributor.authorArregui Padilla, Iván
dc.contributor.authorMartín Iglesias, Petronilo
dc.contributor.authorArnedo Gil, Israel
dc.contributor.authorGómez Laso, Miguel Ángel
dc.contributor.authorLopetegui Beregaña, José María
dc.contributor.departmentIngeniería Eléctrica, Electrónica y de Comunicaciónes_ES
dc.contributor.departmentInstitute of Smart Cities - ISCen
dc.contributor.departmentIngeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzareneu
dc.date.accessioned2023-06-14T13:21:34Z
dc.date.available2023-06-14T13:21:34Z
dc.date.issued2023
dc.date.updated2023-06-14T13:15:34Z
dc.description.abstractThis paper presents a design methodology that significantly increases the peak power handling capability (PPHC) of microstrip filters. The PPHC is limited in microstrip technology by the corona effect: a physical phenomenon caused by the ionization of the air under the presence of strong electric fields around the planar circuit. Microstrip filters with a low electric field strength in the air increases the corona threshold level, resulting in high PPHC. Conventional stepped impedance (SI) filters, which consist of cascaded step-shaped elements, exhibit sharp discontinuities. These geometric edges amplify the electric field strength in the air, consequently reducing the corona threshold. Our research group has recently reported a new synthesis technique that introduces a smooth-profile (SP) conductor strip. This SP strip eliminates any sharp discontinuities and significantly reduces the strength of the electric field. This paper focuses on the examination of the high power performance of 7th-order SP and SI low-pass filters. The cut-off frequency (fc) for both types of filters is set at 447.45 MHz, while the frequency for maximum stop-band rejection (fo) is 1 GHz. The findings indicate that the SP filter shows a notable enhancement in peak power handling capability (PPHC), with gains of 2.48 dB and 4.80 dB observed at critical pressure and ambient pressure, respectively.en
dc.description.sponsorshipThis work was supported by the Spanish Ministerio de Ciencia e Innovación — Agencia Estatal de Investigación (MCIN/AEI/10.13039/501100011033) under Project PID2020-112545RB-C53. Jamil Ahmad also acknowledges the funding received through the PRE2018-085491 grant.en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationAhmad, J., Hussain, J., Arregui, I., Martin-Iglesias, P., Arnedo, I., Laso, M., Lopetegi, T. (2023) Enhancement of the peak power handling capability in microstrip filters by employing smooth-profiled conductor strips. Progress In Electromagnetics Research C, 133, 219-231. https://doi.org/10.2528/PIERC23040602.en
dc.identifier.doi10.2528/PIERC23040602
dc.identifier.issn1937-8718
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/45497
dc.language.isoengen
dc.relation.ispartofProgress In Electromagnetics Research C, Vol. 133, 2023en
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.publisherversionhttps://doi.org/10.2528/PIERC23040602
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.subjectPeak power handling capability (PPHC)en
dc.subjectMicrostrip filtersen
dc.subjectSmooth-profiled conductor stripsen
dc.titleEnhancement of the peak power handling capability in microstrip filters by employing smooth-profiled conductor stripsen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
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