Dual-Frequency Impedance Transformer Using Coupled-Line For Ultra-High Transforming Ratio

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dc.contributor.authorBarik, Rusan Kumar
dc.contributor.authorKarthikeyan, S. S.
dc.coverage.issue4cs
dc.coverage.volume26cs
dc.date.accessioned2018-06-18T10:29:49Z
dc.date.available2018-06-18T10:29:49Z
dc.date.issued2017-12cs
dc.description.abstractIn this paper, a new type of dual-frequency impedance transformer is presented for ultra-high transforming ratio. The proposed configuration consists of parallel coupled-line, series transmission lines and short-ended stubs. The even and odd-mode analysis is applied to obtain the design equations and hence to provide an accurate solution. Three examples of the dual-frequency transformer with load impedance of 500, 1000 and 1500 Ω are designed to study the matching capability and bandwidth property. To prove the frequency agility of the proposed network, three prototypes of dual-frequency impedance transformer with transforming ratio of 10, 20 and 30 are fabricated and tested. The measured return loss is greater than 15 dB at two operating frequencies for all the prototypes. Also, the bandwidth is more than 60 MHz at each frequency band for all the prototypes. The measured return loss is found in good agreement with the circuit and full-wave simulations.en
dc.formattextcs
dc.format.extent1067-1074cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2017 vol. 26, č. 4, s. 1067-1074. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2017.1067en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/82937
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2017/17_01_1067_1074.pdfcs
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.accessopenAccessen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectImpedance transformeren
dc.subjectdual-frequencyen
dc.subjectultra-high transforming ratioen
dc.subjectcoupled-lineen
dc.subjecttransmission lineen
dc.titleDual-Frequency Impedance Transformer Using Coupled-Line For Ultra-High Transforming Ratioen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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