A study on the co-design of on-chip varactor-based Gallium Nitride Microstrip Bandpass Filters

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dc.contributor.authorFontana, Andrés
dc.contributor.authorPsychogiou, Dimitra
dc.contributor.funderTaighde Éireann - Research Ireland
dc.date.accessioned2026-07-09T14:50:10Z
dc.date.available2026-07-09T14:50:10Z
dc.date.issued2025-11-19
dc.description.abstractA study on the performance of continuously-tunable millimeter-wave varactor-based Monolithic Microwave Integrated Circuit (MMIC) bandpass filters (BPFs) is presented. An experimental characterization of Gallium Nitride on Silicon Carbide (GaN-on-SiC) varactors with different number of fingers and gate widths is carried out to determine their performance from 25 to 45 GHz. These results are used to improve the center frequency tuning range of a 2nd order Chebyshev BPF implemented with quarter-wavelength microstrip coupled resonators, while minimizing the in-band losses. A continuously tunable bandpass filter covering 5G New Radio Frequency Range 2 bands from 25-29.2 GHz, with 1 GHz bandwidth, and total insertion loss 3.4-6.7 dB is demonstrated.en
dc.description.sponsorshipResearch Ireland|20/RP/8334 Research Ireland|13/RC/2077_P2
dc.description.versionAccepted Version
dc.format.extent4
dc.format.mimetypeapplication/pdfen
dc.identifier.authororcidFontana, Andrés
dc.identifier.authororcidPsychogiou, Dimitra§0000-0003-1936-4026
dc.identifier.citationFontana, A & Psychogiou, D 2025, A study on the co-design of on-chip varactor-based Gallium Nitride Microstrip Bandpass Filters. in 2025 55th European Microwave Conference, EuMC 2025. 2025 55th European Microwave Conference, EuMC 2025, Institute of Electrical and Electronics Engineers Inc., pp. 371-374, 55th European Microwave Conference, EuMC 2025, Utrecht, Netherlands, 23/09/25. https://doi.org/10.23919/EuMC65286.2025.11235207
dc.identifier.doi10.23919/EuMC65286.2025.11235207
dc.identifier.endpage374
dc.identifier.isbn9782874870811
dc.identifier.otherORCID: /0000-0003-1936-4026/work/220227242
dc.identifier.startpage371
dc.identifier.urihttps://hdl.handle.net/10468/19043
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofseries2025 55th European Microwave Conference, EuMC 2025
dc.relation.urihttps://www.scopus.com/pages/publications/105029556636
dc.rights© 2025, European Microwave Association (EuMA).
dc.rights.accessrightsopen access
dc.rights.uriunspecified
dc.statusPeer reviewed
dc.subjectBandpass filter
dc.subjectFrequency tuning
dc.subjectMonolithic microwave integrated circuit
dc.subjectTunable filter
dc.subject[TyndallMicroNano]
dc.subject[EngineeringArchitecture]
dc.titleA study on the co-design of on-chip varactor-based Gallium Nitride Microstrip Bandpass Filtersen
dc.typeConference item
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