Chaotic states of transistor-based tuned-collector oscillator

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dc.contributor.authorPetržela, Jiřícs
dc.coverage.issue9cs
dc.coverage.volume11cs
dc.date.issued2023-05-08cs
dc.description.abstractThis brief paper shows that robust chaotic behavior can be detected within a tuned-collector single-stage transistor-based oscillator. The content of this work also contributes to the problem of chaos localization in simplified mathematical model of standard analog building block. Searching for chaos is performed via numerical optimization routine applied onto the principal schematic of oscillator where generalized bipolar transistor is modelled as a two-port described by impedance as well as admittance matrix. In both cases, the presence of dense chaotic attractor is proved via calculation of the largest Lyapunov exponent, while its structural stability is validated by real measurement, i.e., visualization of captured oscilloscope screenshots.en
dc.description.abstractThis brief paper shows that robust chaotic behavior can be detected within a tuned-collector single-stage transistor-based oscillator. The content of this work also contributes to the problem of chaos localization in simplified mathematical model of standard analog building block. Searching for chaos is performed via numerical optimization routine applied onto the principal schematic of oscillator where generalized bipolar transistor is modelled as a two-port described by impedance as well as admittance matrix. In both cases, the presence of dense chaotic attractor is proved via calculation of the largest Lyapunov exponent, while its structural stability is validated by real measurement, i.e., visualization of captured oscilloscope screenshots.en
dc.formattextcs
dc.format.extent1-13cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMathematics. 2023, vol. 11, issue 9, p. 1-13.en
dc.identifier.doi10.3390/math11092213cs
dc.identifier.issn2227-7390cs
dc.identifier.orcid0000-0001-5286-9574cs
dc.identifier.other183456cs
dc.identifier.researcheridDZG-2188-2022cs
dc.identifier.scopus9333762000cs
dc.identifier.urihttp://hdl.handle.net/11012/212506
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofMathematicscs
dc.relation.urihttps://www.mdpi.com/2227-7390/11/9/2213cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2227-7390/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectchaosen
dc.subjectchaotic oscillatoren
dc.subjecttransistor-based circuiten
dc.subjecttwo-port modelen
dc.subjectlyapunov exponentsen
dc.subjectadmittance parametersen
dc.subjectimpedance parametersen
dc.subjectforward trans-conductanceen
dc.subjectchaos
dc.subjectchaotic oscillator
dc.subjecttransistor-based circuit
dc.subjecttwo-port model
dc.subjectlyapunov exponents
dc.subjectadmittance parameters
dc.subjectimpedance parameters
dc.subjectforward trans-conductance
dc.titleChaotic states of transistor-based tuned-collector oscillatoren
dc.title.alternativeChaotic states of transistor-based tuned-collector oscillatoren
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-183456en
sync.item.dbtypeVAVen
sync.item.insts2025.10.14 14:11:34en
sync.item.modts2025.10.14 09:48:32en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav radioelektronikycs
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