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Conference Paper: A compact directional branch-line coupler using lumped-element CRLH TLs
Title | A compact directional branch-line coupler using lumped-element CRLH TLs |
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Authors | |
Keywords | Branch-line Center frequency Composite right/left-handed transmission lines CRLH TL Lumped element Size reductions |
Issue Date | 2013 |
Publisher | Electromagnetics 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? |
Abstract | In 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 Identifier | http://hdl.handle.net/10722/189915 |
ISBN | |
ISSN | 2020 SCImago Journal Rankings: 0.159 |
DC Field | Value | Language |
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dc.contributor.author | Wu, YF | en_US |
dc.contributor.author | Zhang, J | en_US |
dc.contributor.author | Cheung, SW | en_US |
dc.date.accessioned | 2013-09-17T15:01:14Z | - |
dc.date.available | 2013-09-17T15:01:14Z | - |
dc.date.issued | 2013 | - |
dc.identifier.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 | en_US |
dc.identifier.isbn | 978-193414224-0 | - |
dc.identifier.issn | 1559-9450 | - |
dc.identifier.uri | http://hdl.handle.net/10722/189915 | - |
dc.description.abstract | In 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.language | eng | en_US |
dc.publisher | Electromagnetics Academy. The Journal's web site is located at http://www.piers.org/piersproceedings/ | - |
dc.relation.ispartof | Progress in Electromagnetics Research Symposium | en_US |
dc.subject | Branch-line | - |
dc.subject | Center frequency | - |
dc.subject | Composite right/left-handed transmission lines | - |
dc.subject | CRLH TL | - |
dc.subject | Lumped element | - |
dc.subject | Size reductions | - |
dc.title | A compact directional branch-line coupler using lumped-element CRLH TLs | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Cheung, SW: swcheung@eee.hku.hk | en_US |
dc.identifier.authority | Cheung, SW=rp00102 | en_US |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.scopus | eid_2-s2.0-84877940015 | - |
dc.identifier.hkuros | 224990 | en_US |
dc.identifier.spage | 1157 | - |
dc.identifier.epage | 1161 | - |
dc.publisher.place | United States | - |
dc.customcontrol.immutable | sml 131022 | - |
dc.identifier.issnl | 1559-9450 | - |