On the performance of electronically tunable fractional-order oscillator using grounded resonator concept

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dc.contributor.authorŠotner, Romancs
dc.contributor.authorJeřábek, Jancs
dc.contributor.authorPolák, Ladislavcs
dc.contributor.authorLanghammer, Lukášcs
dc.contributor.authorStolařová, Hanacs
dc.contributor.authorPetržela, Jiřícs
dc.contributor.authorAndriukaitis, Dariuscs
dc.contributor.authorValinevicius, Algimantascs
dc.coverage.issue2cs
dc.coverage.volume129cs
dc.date.issued2021-02-20cs
dc.description.abstractRecent works target the design of fractional-order oscillators. However, some features of such circuits are not frequently considered in the design despite their importance in practice. This work provides an analysis of the fractional-order oscillator design procedure with a simple but still beneficial electronic tuning feature. The presented design allows us to keep a stable and non-standard phase shift between produced harmonic signals while tuning the oscillation frequency of the oscillator. Grounded fractional-order elements and modern commercially available active elements are implemented in the designed topology. Time domain results as well as spectral analysis are obtained from experimental measurements. Moreover, several values of non-standard phase shifts are tested. The experimental verification targets the low-frequency bandwidth from several hundreds Hz up to several kHz because of possible application areas in these bands (audio) and due to a very low-impedance character of the used RC constant phase elements as approximants of fractional-order capacitors.en
dc.formattextcs
dc.format.extent1-17cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationAEU - International Journal of Electronics and Communications. 2021, vol. 129, issue 2, p. 1-17.en
dc.identifier.doi10.1016/j.aeue.2020.153540cs
dc.identifier.issn1434-8411cs
dc.identifier.orcid0000-0002-2430-1815cs
dc.identifier.orcid0000-0001-9487-5024cs
dc.identifier.orcid0000-0001-7084-6210cs
dc.identifier.orcid0000-0002-2136-1601cs
dc.identifier.orcid0000-0001-5286-9574cs
dc.identifier.other169675cs
dc.identifier.researcheridG-4209-2017cs
dc.identifier.researcheridE-3929-2018cs
dc.identifier.researcheridG-6453-2018cs
dc.identifier.researcheridDZG-2188-2022cs
dc.identifier.scopus21834721500cs
dc.identifier.scopus23011945600cs
dc.identifier.scopus36167253100cs
dc.identifier.scopus56857453900cs
dc.identifier.scopus9333762000cs
dc.identifier.urihttp://hdl.handle.net/11012/196352
dc.language.isoencs
dc.publisherElseviercs
dc.relation.ispartofAEU - International Journal of Electronics and Communicationscs
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S1434841120313261cs
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1434-8411/cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/cs
dc.subjectConstant-phase elementen
dc.subjectElectronic adjustingen
dc.subjectFractional-orderen
dc.subjectOscillatoren
dc.subjectPhase shiften
dc.subjectTuningen
dc.titleOn the performance of electronically tunable fractional-order oscillator using grounded resonator concepten
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionacceptedVersionen
sync.item.dbidVAV-169675en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:41:36en
sync.item.modts2025.01.17 16:53:50en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav radioelektronikycs
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav telekomunikacícs
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