Coupled-line directional coupler with tunable power division ratio and operating frequency
This study presents a novel planar coupled-line directional coupler with tunable both power division ratio and operating frequency, which is achieved using microstrip technology for the first time. Its tunability of the operating frequency and the power division ratio, or coupling ratio, can be inde...
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| Veröffentlicht in: | IET microwaves, antennas & propagation antennas & propagation, 2017-01, Vol.11 (1), p.59-68 |
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| container_end_page | 68 |
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| container_title | IET microwaves, antennas & propagation |
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| creator | Shen, Xiaochuan Liu, Yuanan Zhou, Siyue Wu, Yongle |
| description | This study presents a novel planar coupled-line directional coupler with tunable both power division ratio and operating frequency, which is achieved using microstrip technology for the first time. Its tunability of the operating frequency and the power division ratio, or coupling ratio, can be independently controlled by the bias voltages. Moreover, it can simultaneously maintain perfect port match and isolation. On the basis of the even–odd mode analysis method, both the closed-form analytical equations and parameter discussions are provided to facilitate the practical design. An experimental prototype of the tunable coupler is simulated, fabricated, and measured to demonstrate how it works. The measured results indicate that power division ratio can vary from 0.35 (9 dB) to 0.71 (3 dB) when operating frequency ranges from 0.55 to 1.48 GHz (91.63%) while power division ratio varies from 0.35 (9 dB) to 1 (0 dB) when operating frequency is fixed at 1 GHz, which validated the reliability of the proposed model. |
| doi_str_mv | 10.1049/iet-map.2016.0067 |
| format | Article |
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Its tunability of the operating frequency and the power division ratio, or coupling ratio, can be independently controlled by the bias voltages. Moreover, it can simultaneously maintain perfect port match and isolation. On the basis of the even–odd mode analysis method, both the closed-form analytical equations and parameter discussions are provided to facilitate the practical design. An experimental prototype of the tunable coupler is simulated, fabricated, and measured to demonstrate how it works. The measured results indicate that power division ratio can vary from 0.35 (9 dB) to 0.71 (3 dB) when operating frequency ranges from 0.55 to 1.48 GHz (91.63%) while power division ratio varies from 0.35 (9 dB) to 1 (0 dB) when operating frequency is fixed at 1 GHz, which validated the reliability of the proposed model.</description><identifier>ISSN: 1751-8725</identifier><identifier>ISSN: 1751-8733</identifier><identifier>EISSN: 1751-8733</identifier><identifier>DOI: 10.1049/iet-map.2016.0067</identifier><language>eng</language><publisher>The Institution of Engineering and Technology</publisher><subject>bias voltages ; closed‐form analytical equation ; coupling ratio ; Design analysis ; Directional couplers ; Electric potential ; even‐odd mode analysis method ; Exact solutions ; frequency 0.55 GHz to 1.48 GHz ; Mathematical analysis ; Mathematical models ; microstrip technology ; Microwave antennas ; operating frequency tuning ; planar coupled‐line directional coupler ; power division ratio tuning ; Propagation ; UHF couplers</subject><ispartof>IET microwaves, antennas & propagation, 2017-01, Vol.11 (1), p.59-68</ispartof><rights>The Institution of Engineering and Technology</rights><rights>2017 The Institution of Engineering and Technology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4014-ae11def4ad20dcd3c3b53ac617db6b07d1f84d89f16c25a63f48799a1173b4043</citedby><cites>FETCH-LOGICAL-c4014-ae11def4ad20dcd3c3b53ac617db6b07d1f84d89f16c25a63f48799a1173b4043</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1049%2Fiet-map.2016.0067$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fiet-map.2016.0067$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,11541,27901,27902,45550,45551,46027,46451</link.rule.ids><linktorsrc>$$Uhttps://onlinelibrary.wiley.com/doi/abs/10.1049%2Fiet-map.2016.0067$$EView_record_in_Wiley-Blackwell$$FView_record_in_$$GWiley-Blackwell</linktorsrc></links><search><creatorcontrib>Shen, Xiaochuan</creatorcontrib><creatorcontrib>Liu, Yuanan</creatorcontrib><creatorcontrib>Zhou, Siyue</creatorcontrib><creatorcontrib>Wu, Yongle</creatorcontrib><title>Coupled-line directional coupler with tunable power division ratio and operating frequency</title><title>IET microwaves, antennas & propagation</title><description>This study presents a novel planar coupled-line directional coupler with tunable both power division ratio and operating frequency, which is achieved using microstrip technology for the first time. Its tunability of the operating frequency and the power division ratio, or coupling ratio, can be independently controlled by the bias voltages. Moreover, it can simultaneously maintain perfect port match and isolation. On the basis of the even–odd mode analysis method, both the closed-form analytical equations and parameter discussions are provided to facilitate the practical design. An experimental prototype of the tunable coupler is simulated, fabricated, and measured to demonstrate how it works. The measured results indicate that power division ratio can vary from 0.35 (9 dB) to 0.71 (3 dB) when operating frequency ranges from 0.55 to 1.48 GHz (91.63%) while power division ratio varies from 0.35 (9 dB) to 1 (0 dB) when operating frequency is fixed at 1 GHz, which validated the reliability of the proposed model.</description><subject>bias voltages</subject><subject>closed‐form analytical equation</subject><subject>coupling ratio</subject><subject>Design analysis</subject><subject>Directional couplers</subject><subject>Electric potential</subject><subject>even‐odd mode analysis method</subject><subject>Exact solutions</subject><subject>frequency 0.55 GHz to 1.48 GHz</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>microstrip technology</subject><subject>Microwave antennas</subject><subject>operating frequency tuning</subject><subject>planar coupled‐line directional coupler</subject><subject>power division ratio tuning</subject><subject>Propagation</subject><subject>UHF couplers</subject><issn>1751-8725</issn><issn>1751-8733</issn><issn>1751-8733</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkE9PwyAchhujiXP6Abxx1EMnv0JL620umy6Z0cO8eCEUqLJ0bYXWZd9eao3xYPTEv-flhScIzgFPANPsyug23IpmEmFIJhgn7CAYAYshTBkhh9_zKD4OTpzbYBzHMWGj4HlWd02pVViaSiNlrJatqStRIvl5YNHOtK-o7SqRlxo19c5vKfNunKeQFR5GolKobnS_qF5QYfVbpyu5Pw2OClE6ffY1joOnxXw9uwtXD7fL2XQVSoqBhkIDKF1QoSKspCKS5DERMgGm8iTHTEGRUpVmBSQyikVCCpqyLBMAjOQUUzIOLoZ7G1v7ZtfyrXFSl6WodN05DmlKwf-XMY_CgEpbO2d1wRtrtsLuOWDee-TeI_ceee-R9x595nrI7Eyp9_8H-P1yGt0scIRJ_7ZwCPfYpu6sN-v-LLv8hV_O1_x--vijo1EF-QA-V5eQ</recordid><startdate>20170108</startdate><enddate>20170108</enddate><creator>Shen, Xiaochuan</creator><creator>Liu, Yuanan</creator><creator>Zhou, Siyue</creator><creator>Wu, Yongle</creator><general>The Institution of Engineering and Technology</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>20170108</creationdate><title>Coupled-line directional coupler with tunable power division ratio and operating frequency</title><author>Shen, Xiaochuan ; Liu, Yuanan ; Zhou, Siyue ; Wu, Yongle</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4014-ae11def4ad20dcd3c3b53ac617db6b07d1f84d89f16c25a63f48799a1173b4043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>bias voltages</topic><topic>closed‐form analytical equation</topic><topic>coupling ratio</topic><topic>Design analysis</topic><topic>Directional couplers</topic><topic>Electric potential</topic><topic>even‐odd mode analysis method</topic><topic>Exact solutions</topic><topic>frequency 0.55 GHz to 1.48 GHz</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>microstrip technology</topic><topic>Microwave antennas</topic><topic>operating frequency tuning</topic><topic>planar coupled‐line directional coupler</topic><topic>power division ratio tuning</topic><topic>Propagation</topic><topic>UHF couplers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shen, Xiaochuan</creatorcontrib><creatorcontrib>Liu, Yuanan</creatorcontrib><creatorcontrib>Zhou, Siyue</creatorcontrib><creatorcontrib>Wu, Yongle</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IET microwaves, antennas & propagation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Shen, Xiaochuan</au><au>Liu, Yuanan</au><au>Zhou, Siyue</au><au>Wu, Yongle</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coupled-line directional coupler with tunable power division ratio and operating frequency</atitle><jtitle>IET microwaves, antennas & propagation</jtitle><date>2017-01-08</date><risdate>2017</risdate><volume>11</volume><issue>1</issue><spage>59</spage><epage>68</epage><pages>59-68</pages><issn>1751-8725</issn><issn>1751-8733</issn><eissn>1751-8733</eissn><abstract>This study presents a novel planar coupled-line directional coupler with tunable both power division ratio and operating frequency, which is achieved using microstrip technology for the first time. Its tunability of the operating frequency and the power division ratio, or coupling ratio, can be independently controlled by the bias voltages. Moreover, it can simultaneously maintain perfect port match and isolation. On the basis of the even–odd mode analysis method, both the closed-form analytical equations and parameter discussions are provided to facilitate the practical design. An experimental prototype of the tunable coupler is simulated, fabricated, and measured to demonstrate how it works. The measured results indicate that power division ratio can vary from 0.35 (9 dB) to 0.71 (3 dB) when operating frequency ranges from 0.55 to 1.48 GHz (91.63%) while power division ratio varies from 0.35 (9 dB) to 1 (0 dB) when operating frequency is fixed at 1 GHz, which validated the reliability of the proposed model.</abstract><pub>The Institution of Engineering and Technology</pub><doi>10.1049/iet-map.2016.0067</doi><tpages>10</tpages></addata></record> |
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| source | Wiley Online Library Open Access |
| subjects | bias voltages closed‐form analytical equation coupling ratio Design analysis Directional couplers Electric potential even‐odd mode analysis method Exact solutions frequency 0.55 GHz to 1.48 GHz Mathematical analysis Mathematical models microstrip technology Microwave antennas operating frequency tuning planar coupled‐line directional coupler power division ratio tuning Propagation UHF couplers |
| title | Coupled-line directional coupler with tunable power division ratio and operating frequency |
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