A design of wideband 3-dB coupler with N-section microstrip tandem structure
New design equations and a 3-dB microstrip coupler example for N-section tandem connected structure with wide bandwidth are presented. The proposed four-port S-parameters and equations are obtained from a port reduction method. The designed microstrip 3-dB coupler not only does not need high impedan...
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| Veröffentlicht in: | IEEE microwave and wireless components letters 2005-02, Vol.15 (2), p.113-115 |
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| container_title | IEEE microwave and wireless components letters |
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| creator | CHO, Jeong-Hoon HWANG, Hee-Yong YUN, Sang-Won |
| description | New design equations and a 3-dB microstrip coupler example for N-section tandem connected structure with wide bandwidth are presented. The proposed four-port S-parameters and equations are obtained from a port reduction method. The designed microstrip 3-dB coupler not only does not need high impedance lines, but also uses tight coupling gaps differently from conventional couplers such as Lange couplers, parallel coupled line couplers, etc. The measured data agrees well with the expected data, which show a wide bandwidth of 42%, an amplitude imbalance of /spl plusmn/0.5 dB, a phase unbalance of 1.0/spl deg/, and isolation characteristics of 15 dB at the band of 3.6 to 5.5 GHz. |
| doi_str_mv | 10.1109/LMWC.2004.842850 |
| format | Article |
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The proposed four-port S-parameters and equations are obtained from a port reduction method. 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(IEEE) 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c351t-6a799726deb8c2f92cd1d4ecfe7a1eabe1f2473de33c3d1a0da878dcd9ede5fb3</citedby><cites>FETCH-LOGICAL-c351t-6a799726deb8c2f92cd1d4ecfe7a1eabe1f2473de33c3d1a0da878dcd9ede5fb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1390982$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1390982$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16470514$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>CHO, Jeong-Hoon</creatorcontrib><creatorcontrib>HWANG, Hee-Yong</creatorcontrib><creatorcontrib>YUN, Sang-Won</creatorcontrib><title>A design of wideband 3-dB coupler with N-section microstrip tandem structure</title><title>IEEE microwave and wireless components letters</title><addtitle>LMWC</addtitle><description>New design equations and a 3-dB microstrip coupler example for N-section tandem connected structure with wide bandwidth are presented. The proposed four-port S-parameters and equations are obtained from a port reduction method. The designed microstrip 3-dB coupler not only does not need high impedance lines, but also uses tight coupling gaps differently from conventional couplers such as Lange couplers, parallel coupled line couplers, etc. The measured data agrees well with the expected data, which show a wide bandwidth of 42%, an amplitude imbalance of /spl plusmn/0.5 dB, a phase unbalance of 1.0/spl deg/, and isolation characteristics of 15 dB at the band of 3.6 to 5.5 GHz.</description><subject>3-dB microstrip coupler</subject><subject>Applied sciences</subject><subject>Bandwidth</subject><subject>Circuit properties</subject><subject>Coupling circuits</subject><subject>Design methodology</subject><subject>Directional couplers</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronics</subject><subject>Equations</subject><subject>Exact sciences and technology</subject><subject>Impedance</subject><subject>Microstrip</subject><subject>Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits</subject><subject>parallel coupled lines</subject><subject>Phase measurement</subject><subject>Wideband</subject><subject>wideband coupler</subject><issn>1531-1309</issn><issn>2771-957X</issn><issn>1558-1764</issn><issn>2771-9588</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkEtLxDAQx4so-LwLXoKgt64zSdqmR118waoXxWPIJlONdNs1aRG_vSkrCJ7m9ZvXP8uOEWaIUF8sHl7nMw4gZ0pyVcBWtodFoXKsSrk9-QJzFFDvZvsxfgCgVBL3ssUlcxT9W8f6hn15R0vTOSZyd8VsP65bCik7vLPHPJIdfN-xlbehj0PwazYkllYsBaMdxkCH2U5j2khHv_Yge7m5fp7f5Yun2_v55SK3osAhL01V1xUv0zJleVNz69BJsg1VBsksCRsuK-FICCscGnBGVcpZV5OjolmKg-x8M3cd-s-R4qBXPlpqW9NRP0bNFYCCUiTw9B_40Y-hS7dppYTkyCtIEGyg6a8YqNHr4FcmfGsEPWmrJ231pK3eaJtazn7nmmhN2wTTWR__-kpZQYEycScbzhPRX1nUUCsufgBynYK5</recordid><startdate>20050201</startdate><enddate>20050201</enddate><creator>CHO, Jeong-Hoon</creator><creator>HWANG, Hee-Yong</creator><creator>YUN, Sang-Won</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20050201</creationdate><title>A design of wideband 3-dB coupler with N-section microstrip tandem structure</title><author>CHO, Jeong-Hoon ; HWANG, Hee-Yong ; YUN, Sang-Won</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c351t-6a799726deb8c2f92cd1d4ecfe7a1eabe1f2473de33c3d1a0da878dcd9ede5fb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>3-dB microstrip coupler</topic><topic>Applied sciences</topic><topic>Bandwidth</topic><topic>Circuit properties</topic><topic>Coupling circuits</topic><topic>Design methodology</topic><topic>Directional couplers</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electronics</topic><topic>Equations</topic><topic>Exact sciences and technology</topic><topic>Impedance</topic><topic>Microstrip</topic><topic>Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits</topic><topic>parallel coupled lines</topic><topic>Phase measurement</topic><topic>Wideband</topic><topic>wideband coupler</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>CHO, Jeong-Hoon</creatorcontrib><creatorcontrib>HWANG, Hee-Yong</creatorcontrib><creatorcontrib>YUN, Sang-Won</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE microwave and wireless components letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHO, Jeong-Hoon</au><au>HWANG, Hee-Yong</au><au>YUN, Sang-Won</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A design of wideband 3-dB coupler with N-section microstrip tandem structure</atitle><jtitle>IEEE microwave and wireless components letters</jtitle><stitle>LMWC</stitle><date>2005-02-01</date><risdate>2005</risdate><volume>15</volume><issue>2</issue><spage>113</spage><epage>115</epage><pages>113-115</pages><issn>1531-1309</issn><issn>2771-957X</issn><eissn>1558-1764</eissn><eissn>2771-9588</eissn><coden>IMWCBJ</coden><abstract>New design equations and a 3-dB microstrip coupler example for N-section tandem connected structure with wide bandwidth are presented. The proposed four-port S-parameters and equations are obtained from a port reduction method. The designed microstrip 3-dB coupler not only does not need high impedance lines, but also uses tight coupling gaps differently from conventional couplers such as Lange couplers, parallel coupled line couplers, etc. The measured data agrees well with the expected data, which show a wide bandwidth of 42%, an amplitude imbalance of /spl plusmn/0.5 dB, a phase unbalance of 1.0/spl deg/, and isolation characteristics of 15 dB at the band of 3.6 to 5.5 GHz.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/LMWC.2004.842850</doi><tpages>3</tpages></addata></record> |
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| identifier | ISSN: 1531-1309 |
| ispartof | IEEE microwave and wireless components letters, 2005-02, Vol.15 (2), p.113-115 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | 3-dB microstrip coupler Applied sciences Bandwidth Circuit properties Coupling circuits Design methodology Directional couplers Electric, optical and optoelectronic circuits Electronics Equations Exact sciences and technology Impedance Microstrip Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits parallel coupled lines Phase measurement Wideband wideband coupler |
| title | A design of wideband 3-dB coupler with N-section microstrip tandem structure |
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