Electronic Tunability and Cancellation of Serial Losses in Wire Coils

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dc.contributor.authorŠotner, Romancs
dc.contributor.authorJeřábek, Jancs
dc.contributor.authorPolák, Ladislavcs
dc.contributor.authorTheumer, Radekcs
dc.contributor.authorLanghammer, Lukášcs
dc.coverage.issue19cs
dc.coverage.volume22cs
dc.date.issued2022-09-28cs
dc.description.abstractThis work presents a novel methodology to adjust the inductance of real coils (electronically) and to cancel out serial losses (up to tens or even hundreds of Ohms in practice) electronically. This is important in various fields of electromagnetic sensors (inductive sensors), energy harvesting, measurement and especially in the instrumentation of various devices. State-of-the-art methods do not solve the problem of cancellation of real serial resistance, which is the most important parasitic feature in low- and middle-frequency bands. In this case, the employment of serial negative resistance is not possible due to stability issues. To solve this issue, two solutions allowing the cancellation of serial resistance by the value of the passive element and an electronically adjustable parameter are introduced. The operational ranges are between 0.1 and 1 mH and 0.1 and 10 mH, valid in bandwidths from hundreds of Hz up to hundreds of kHz. The proposed concepts are experimentally tested in two applications: an electronically tunable oscillator of LC type and an electronically tunable band-pass RLC filter. The presented methodology offers significant improvements in the process of circuit design employing inductors and can be beneficially used for on-chip design, where serial resistance issues can be very significant.en
dc.formattextcs
dc.format.extent1-16cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationSENSORS. 2022, vol. 22, issue 19, p. 1-16.en
dc.identifier.doi10.3390/s22197373cs
dc.identifier.issn1424-8220cs
dc.identifier.orcid0000-0002-2430-1815cs
dc.identifier.orcid0000-0001-9487-5024cs
dc.identifier.orcid0000-0001-7084-6210cs
dc.identifier.orcid0000-0002-1078-6006cs
dc.identifier.orcid0000-0002-2136-1601cs
dc.identifier.other179326cs
dc.identifier.researcheridG-4209-2017cs
dc.identifier.researcheridE-3929-2018cs
dc.identifier.researcheridG-6453-2018cs
dc.identifier.scopus21834721500cs
dc.identifier.scopus23011945600cs
dc.identifier.scopus36167253100cs
dc.identifier.scopus56857453900cs
dc.identifier.urihttp://hdl.handle.net/11012/208458
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofSENSORScs
dc.relation.urihttps://www.mdpi.com/1424-8220/22/19/7373cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1424-8220/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectactive filteren
dc.subjectcurrent conveyoren
dc.subjectelectronic adjustmenten
dc.subjectinductance simulatoren
dc.subjectloss cancellationen
dc.subjectoscillatoren
dc.subjectvariable gain amplifieren
dc.titleElectronic Tunability and Cancellation of Serial Losses in Wire Coilsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-179326en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:41:45en
sync.item.modts2025.01.17 15:19:41en
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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