Design of Miniaturized 10dB Wideband Branch Line Coupler Using Dual and T-Shape Transmission Lines

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dc.contributor.authorKumar, Mukesh
dc.contributor.authorIslam, S. K. Nurul
dc.contributor.authorSen, Gobinda
dc.contributor.authorParui, Susanta Kumar
dc.contributor.authorDas, Santanu
dc.coverage.issue1cs
dc.coverage.volume27cs
dc.date.accessioned2018-06-18T10:30:18Z
dc.date.available2018-06-18T10:30:18Z
dc.date.issued2018-04cs
dc.description.abstractThis paper presents a design mechanism of miniaturized wideband branch line coupler (BLC) with loose coupling of 10 dB. Dual transmission lines are used as a feed network which provides a size reduction of 32% with a fractional bandwidth (FBW) of 60% for 10±0.5 dB coupling but return loss performance is found to be poor in the operating band. For further improvement of return loss performance as well as for size reduction of the BLC, a T- shape transmission lines are used instead of series quarter wavelength transmission lines, and hence the overall size reduction of around 44% with FBW of 50.4% is achieved. The return loss and isolation performance is found to be < 15 dB in the entire operating band (2.5–4.1 GHz) with respect to design frequency 3G Hz. The proposed BLC is analyzed, fabricated and tested.en
dc.formattextcs
dc.format.extent207-213cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2018 vol. 27, č. 1, s. 207-213. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2018.0207en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/82978
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2018/18_01_0207_0213.pdfcs
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectBranch line coupleren
dc.subjectdual lineen
dc.subjectminiaturizationen
dc.subjectT- shape transmission line (TL)en
dc.subjectwidebanden
dc.titleDesign of Miniaturized 10dB Wideband Branch Line Coupler Using Dual and T-Shape Transmission Linesen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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