Continuously tunable Ku-band GaAs bandstop filter with reconfigurable all-pass capabilities

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dc.contributor.authorFontana, Andrésen
dc.contributor.authorPsychogiou, Dimitraen
dc.date.accessioned2025-10-13T09:13:08Z
dc.date.available2025-10-13T09:13:08Z
dc.date.issued2025-06-26en
dc.description.abstractA multiconfigurable monolithic microwave integrated circuit (MMIC) filter is reported. It exhibits three modes of operation, namely, a high-attenuation single-notch bandstop (BS) mode, a dual-notch BS mode, and an all-pass (AP) mode. It is based on a bridged-T network (BTN) using a minimum number of lumped elements and a signal cancellation technique to counteract the effect of the low on-chip quality factor. Transfer function tuning and bandstop-to-all-pass filter (BSF-to-AP) mode reconfigurability are readily obtained by tuning the frequency of two resonators. A prototype was manufactured using a pHEMT GaAs MMIC process exhibiting a BS mode with frequency tuning range ( Δf0 ) of 16% and suppression up to 68.5 dB, a dual-notch BS mode with Δf0 of 15% and 20% fractional bandwidth (FBW), and an AP mode with insertion loss <5.3 dB.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationFontana, A. and Psychogiou, D. (2025) 'Continuously tunable Ku-band GaAs bandstop filter with reconfigurable all-pass capabilities', IEEE Microwave and Wireless Technology Letters, 35(9), pp. 1284-1287. https://doi.org/10.1109/LMWT.2025.3580893en
dc.identifier.doi10.1109/lmwt.2025.3580893en
dc.identifier.endpage1287en
dc.identifier.issn2771-9588en
dc.identifier.issn2771-957Xen
dc.identifier.issued9en
dc.identifier.journaltitleIEEE Microwave and Wireless Technology Lettersen
dc.identifier.startpage1284en
dc.identifier.urihttps://hdl.handle.net/10468/18023
dc.identifier.volume35en
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.relation.ispartofIEEE Microwave and Wireless Technology Lettersen
dc.rights© 2025, the Authors. This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectBandstop filter (BSF)en
dc.subjectMonolithic microwave integrated circuit (MMIC)en
dc.subjectMultifunction deviceen
dc.subjectTunable filteren
dc.titleContinuously tunable Ku-band GaAs bandstop filter with reconfigurable all-pass capabilitiesen
dc.typeArticle (peer-reviewed)en
dc.typejournal-articleen
oaire.citation.issue9en
oaire.citation.volume35en
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