Microwave Diplexer Purely Based on Direct Synchronous and Asynchronous Coupling

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dc.contributor.authorNwajana, Augustine Onyenwe
dc.contributor.authorYeo, Kenneth Siok Kiam
dc.coverage.issue2cs
dc.coverage.volume25cs
dc.date.accessioned2016-08-12T06:57:37Z
dc.date.available2016-08-12T06:57:37Z
dc.date.issued2016-06cs
dc.description.abstractA diplexer realized purely based on direct coupling is presented. No cross-coupling is involved in the design process. The microwave diplexer is achieved by coupling a dual-band bandpass filter onto two individual channel filters. This design eliminates the need for employing external junctions in diplexer design, as opposed to the conventional design approach which requires separate junctions for energy distribution. A 10-pole (10th order) diplexer has been successfully designed, simulated, fabricated and measured. The diplexer is composed of 2 poles from the dual-band filter, 4 poles from the Tx bandpass filter, and the remaining 4 poles from the Rx bandpass filter. The design was implemented using synchronously and asynchronously tuned microstrip square open-loop resonators. The simulation and measurement results show that an isolation of 50 dB is achieved between the diplexer Tx and Rx bands. The minimum insertion loss is 2.88 dB for the transmit band, and 2.95 dB for the receive band.en
dc.formattextcs
dc.format.extent247-252cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2016 vol. 25, č. 2, s. 247-252. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2016.0247en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/63045
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2016/16_02_0247_0252.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectBandpass filtersen
dc.subjectdiplexeren
dc.subjectdual-band filteren
dc.subjectcouplingen
dc.subjectmicrostripen
dc.subjectsquare open-loop resonators (SOLR)en
dc.titleMicrowave Diplexer Purely Based on Direct Synchronous and Asynchronous Couplingen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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