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Conference Paper: A compact directional branch-line coupler using lumped-element CRLH TLs

TitleA compact directional branch-line coupler using lumped-element CRLH TLs
Authors
Wu, YFZhang, JCheung, SW
KeywordsBranch-line
Center frequency
Composite right/left-handed transmission lines
CRLH TL
Lumped element
Size reductions
Issue Date2013
PublisherElectromagnetics Academy. The Journal's web site is located at http://www.piers.org/piersproceedings/
Citation
The 33rd Progress In Electromagnetics Research Symposium (PIERS 2013), Taipei, Taiwan, 25-28 March 2013. In Progress in Electromagnetics Research Symposium, 2013, p. 1157-1161 How to Cite?
AbstractIn this paper, the design of a compact branch-line directional coupler using lumped- element composite right/left-handed transmission line (CRLH TL) is presented. The compactness is achieved by replacing the -90° right-handed transmission lines (RH TL) in a conventional branch-line directional coupler with 90° CRLH TLs implemented using lumped elements. Computer simulation is used to study the performance of the coupler and results show that the coupler has a bandwidth from 0.96 to 0.99 GHz, with S11 and S41 lower than -15 dB, S21 and S31 close to -3 dB, and a phase di®erence of 90° between ports 2 and 3. For comparison, a conven- tional branch-line directional coupler implemented using the RH TL and working at the same center frequency is also designed. Simulation results show that the proposed coupler can achieve a size reduction of 82.8% compared with the conventional RH TL branch-line directional coupler. Copyright © 2013 The Electromagnetics Academy.
Persistent Identifierhttp://hdl.handle.net/10722/189915
ISBN
978-193414224-0
ISSN
1559-9450
2020 SCImago Journal Rankings: 0.159

 

DC FieldValueLanguage
dc.contributor.authorWu, YFen_US
dc.contributor.authorZhang, Jen_US
dc.contributor.authorCheung, SWen_US
dc.date.accessioned2013-09-17T15:01:14Z-
dc.date.available2013-09-17T15:01:14Z-
dc.date.issued2013-
dc.identifier.citationThe 33rd Progress In Electromagnetics Research Symposium (PIERS 2013), Taipei, Taiwan, 25-28 March 2013. In Progress in Electromagnetics Research Symposium, 2013, p. 1157-1161en_US
dc.identifier.isbn978-193414224-0-
dc.identifier.issn1559-9450-
dc.identifier.urihttp://hdl.handle.net/10722/189915-
dc.description.abstractIn this paper, the design of a compact branch-line directional coupler using lumped- element composite right/left-handed transmission line (CRLH TL) is presented. The compactness is achieved by replacing the -90° right-handed transmission lines (RH TL) in a conventional branch-line directional coupler with 90° CRLH TLs implemented using lumped elements. Computer simulation is used to study the performance of the coupler and results show that the coupler has a bandwidth from 0.96 to 0.99 GHz, with S11 and S41 lower than -15 dB, S21 and S31 close to -3 dB, and a phase di®erence of 90° between ports 2 and 3. For comparison, a conven- tional branch-line directional coupler implemented using the RH TL and working at the same center frequency is also designed. Simulation results show that the proposed coupler can achieve a size reduction of 82.8% compared with the conventional RH TL branch-line directional coupler. Copyright © 2013 The Electromagnetics Academy.-
dc.languageengen_US
dc.publisherElectromagnetics Academy. The Journal's web site is located at http://www.piers.org/piersproceedings/-
dc.relation.ispartofProgress in Electromagnetics Research Symposiumen_US
dc.subjectBranch-line-
dc.subjectCenter frequency-
dc.subjectComposite right/left-handed transmission lines-
dc.subjectCRLH TL-
dc.subjectLumped element-
dc.subjectSize reductions-
dc.titleA compact directional branch-line coupler using lumped-element CRLH TLsen_US
dc.typeConference_Paperen_US
dc.identifier.emailCheung, SW: swcheung@eee.hku.hken_US
dc.identifier.authorityCheung, SW=rp00102en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.scopuseid_2-s2.0-84877940015-
dc.identifier.hkuros224990en_US
dc.identifier.spage1157-
dc.identifier.epage1161-
dc.publisher.placeUnited States-
dc.customcontrol.immutablesml 131022-
dc.identifier.issnl1559-9450-

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