Chaotic oscillations in cascoded and Darlington-type amplifier having generalized transistors

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dc.contributor.authorPetržela, Jiřícs
dc.contributor.authorRujzl, Miroslavcs
dc.coverage.issue3cs
dc.coverage.volume10cs
dc.date.issued2022-02-08cs
dc.description.abstractThis paper describes, based on both numerical and experimental bases, the evolution of chaotic and, in some cases, hyperchaotic attractors within mathematical models of two two-port analog functional blocks commonly used inside radio-frequency systems. The first investigated electronic circuit is known as the cascoded class C amplifier and the second network represents a resonant amplifier with Darlington's active part. For the analysis of each mentioned block, fundamental configurations that contain coupled generalized bipolar transistors are considered; without driving force or interactions with other lumped circuits. The existence of the structurally stable strange attractors is proved via the high-resolution composition plots of the Lyapunov exponents, numerical sensitivity analysis and captured oscilloscope screenshots.en
dc.description.abstractThis paper describes, based on both numerical and experimental bases, the evolution of chaotic and, in some cases, hyperchaotic attractors within mathematical models of two two-port analog functional blocks commonly used inside radio-frequency systems. The first investigated electronic circuit is known as the cascoded class C amplifier and the second network represents a resonant amplifier with Darlington's active part. For the analysis of each mentioned block, fundamental configurations that contain coupled generalized bipolar transistors are considered; without driving force or interactions with other lumped circuits. The existence of the structurally stable strange attractors is proved via the high-resolution composition plots of the Lyapunov exponents, numerical sensitivity analysis and captured oscilloscope screenshots.en
dc.formattextcs
dc.format.extent532-556cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMathematics. 2022, vol. 10, issue 3, p. 532-556.en
dc.identifier.doi10.3390/math10030532cs
dc.identifier.issn2227-7390cs
dc.identifier.orcid0000-0001-5286-9574cs
dc.identifier.orcid0000-0001-8832-8390cs
dc.identifier.other178067cs
dc.identifier.researcheridDZG-2188-2022cs
dc.identifier.scopus9333762000cs
dc.identifier.urihttp://hdl.handle.net/11012/204702
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofMathematicscs
dc.relation.urihttps://www.mdpi.com/2227-7390/10/3/532cs
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.subjectauto-oscillationsen
dc.subjectcascoded amplifieren
dc.subjectDarlington pairen
dc.subjectchaotic circuiten
dc.subjectchaotic oscillatoren
dc.subjecthyper chaosen
dc.subjectresonant amplifieren
dc.subjectself-excited attractoren
dc.subjectstrange attractoren
dc.subjectauto-oscillations
dc.subjectcascoded amplifier
dc.subjectDarlington pair
dc.subjectchaotic circuit
dc.subjectchaotic oscillator
dc.subjecthyper chaos
dc.subjectresonant amplifier
dc.subjectself-excited attractor
dc.subjectstrange attractor
dc.titleChaotic oscillations in cascoded and Darlington-type amplifier having generalized transistorsen
dc.title.alternativeChaotic oscillations in cascoded and Darlington-type amplifier having generalized transistorsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-178067en
sync.item.dbtypeVAVen
sync.item.insts2025.10.14 14:11:32en
sync.item.modts2025.10.14 10:35:33en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav radioelektronikycs
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