A Compact Parallel-Plane Perpendicular-Current Feed for a Modified Equiangular Spiral Antenna
The design and measurement is described of a compact (59.94 mm × 59.94 mm × 1.14 mm) bidirectional ultrawideband modified equiangular spiral antenna with an integrated feed internally matched to a 50-Ohm microstrip transmission line. An ultrawideband transition from microstrip to parallel-strip line...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2010-07, Vol.58 (7), p.2193-2202 |
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| container_title | IEEE transactions on antennas and propagation |
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| creator | Eubanks, Travis Wayne Kai Chang |
| description | The design and measurement is described of a compact (59.94 mm × 59.94 mm × 1.14 mm) bidirectional ultrawideband modified equiangular spiral antenna with an integrated feed internally matched to a 50-Ohm microstrip transmission line. An ultrawideband transition from microstrip to parallel-strip line soldered to a short (1.14 mm) twin-line transmission line feeds the spiral. The currents on the feed travel in a direction approximately perpendicular to the direction of the currents on the spiral at the points where the feed passes the spiral in close proximity (0.57 mm). Holes were etched from the metal arms of the spiral to reduce the impedance mismatch caused by coupling between the transmission line feed and the spiral. Measured and simulated radiation patterns and VSWR plots show good performance over the ultrawideband range (3.1-10.6 GHz) with a 2:1 VSWR everywhere in this range except for 3.33-3.95 GHz, which has a 3:1 VSWR. This spiral exhibits an elliptical polarization over the ultrawideband range. |
| doi_str_mv | 10.1109/TAP.2010.2048856 |
| format | Article |
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An ultrawideband transition from microstrip to parallel-strip line soldered to a short (1.14 mm) twin-line transmission line feeds the spiral. The currents on the feed travel in a direction approximately perpendicular to the direction of the currents on the spiral at the points where the feed passes the spiral in close proximity (0.57 mm). Holes were etched from the metal arms of the spiral to reduce the impedance mismatch caused by coupling between the transmission line feed and the spiral. Measured and simulated radiation patterns and VSWR plots show good performance over the ultrawideband range (3.1-10.6 GHz) with a 2:1 VSWR everywhere in this range except for 3.33-3.95 GHz, which has a 3:1 VSWR. This spiral exhibits an elliptical polarization over the ultrawideband range.</description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2010.2048856</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Antenna feeds ; Antenna measurements ; Arm ; Electric power lines ; Etching ; Microstrip antennas ; Parallel-plane perpendicular-current (PPPC) ; parallel-strip line ; spiral antenna ; Spirals ; theory of small reflections ; Transmission line antennas ; Transmission line measurements ; Ultra wideband antennas ; Ultra wideband technology ; ultrawideband (UWB)</subject><ispartof>IEEE transactions on antennas and propagation, 2010-07, Vol.58 (7), p.2193-2202</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Jul 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c323t-bc9070ac223d99d885c91124310a750ff2f1daf8e33e71cfef010f85268bf6193</citedby><cites>FETCH-LOGICAL-c323t-bc9070ac223d99d885c91124310a750ff2f1daf8e33e71cfef010f85268bf6193</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5453012$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5453012$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Eubanks, Travis Wayne</creatorcontrib><creatorcontrib>Kai Chang</creatorcontrib><title>A Compact Parallel-Plane Perpendicular-Current Feed for a Modified Equiangular Spiral Antenna</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description>The design and measurement is described of a compact (59.94 mm × 59.94 mm × 1.14 mm) bidirectional ultrawideband modified equiangular spiral antenna with an integrated feed internally matched to a 50-Ohm microstrip transmission line. An ultrawideband transition from microstrip to parallel-strip line soldered to a short (1.14 mm) twin-line transmission line feeds the spiral. The currents on the feed travel in a direction approximately perpendicular to the direction of the currents on the spiral at the points where the feed passes the spiral in close proximity (0.57 mm). Holes were etched from the metal arms of the spiral to reduce the impedance mismatch caused by coupling between the transmission line feed and the spiral. Measured and simulated radiation patterns and VSWR plots show good performance over the ultrawideband range (3.1-10.6 GHz) with a 2:1 VSWR everywhere in this range except for 3.33-3.95 GHz, which has a 3:1 VSWR. This spiral exhibits an elliptical polarization over the ultrawideband range.</description><subject>Antenna feeds</subject><subject>Antenna measurements</subject><subject>Arm</subject><subject>Electric power lines</subject><subject>Etching</subject><subject>Microstrip antennas</subject><subject>Parallel-plane perpendicular-current (PPPC)</subject><subject>parallel-strip line</subject><subject>spiral antenna</subject><subject>Spirals</subject><subject>theory of small reflections</subject><subject>Transmission line antennas</subject><subject>Transmission line measurements</subject><subject>Ultra wideband antennas</subject><subject>Ultra wideband technology</subject><subject>ultrawideband (UWB)</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkM1Lw0AUxBdRsFbvgpcFD55S9yMfu8cQWhUqBqzgRZbt5q1sSZN0kxz8793Q4sHTY-A3w7xB6JaSBaVEPm7ycsFIUIzEQiTpGZrRJBERY4yeoxkhVESSpZ-X6Krvd0HGIo5n6CvHRbvvtBlwqb2ua6ijstYN4BJ8B03lzFhrHxWj99AMeAVQYdt6rPFrWznrglweRqeb74nD750LKThvBmgafY0urK57uDndOfpYLTfFc7R-e3op8nVkOONDtDWSZEQbxnglZRXqG0kpizklOkuItczSSlsBnENGjQUbHrUiYanY2pRKPkcPx9zOt4cR-kHtXW-gnh5px15lieQ0FVkWyPt_5K4dfRPKKUpYxjhJpQgUOVLGt33vwarOu732PwFS09wqzK2mudVp7mC5O1ocAPzhSZxwQhn_BVzjekg</recordid><startdate>201007</startdate><enddate>201007</enddate><creator>Eubanks, Travis Wayne</creator><creator>Kai Chang</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>201007</creationdate><title>A Compact Parallel-Plane Perpendicular-Current Feed for a Modified Equiangular Spiral Antenna</title><author>Eubanks, Travis Wayne ; Kai Chang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c323t-bc9070ac223d99d885c91124310a750ff2f1daf8e33e71cfef010f85268bf6193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Antenna feeds</topic><topic>Antenna measurements</topic><topic>Arm</topic><topic>Electric power lines</topic><topic>Etching</topic><topic>Microstrip antennas</topic><topic>Parallel-plane perpendicular-current (PPPC)</topic><topic>parallel-strip line</topic><topic>spiral antenna</topic><topic>Spirals</topic><topic>theory of small reflections</topic><topic>Transmission line antennas</topic><topic>Transmission line measurements</topic><topic>Ultra wideband antennas</topic><topic>Ultra wideband technology</topic><topic>ultrawideband (UWB)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Eubanks, Travis Wayne</creatorcontrib><creatorcontrib>Kai Chang</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>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>IEEE transactions on antennas and propagation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Eubanks, Travis Wayne</au><au>Kai Chang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Compact Parallel-Plane Perpendicular-Current Feed for a Modified Equiangular Spiral Antenna</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>2010-07</date><risdate>2010</risdate><volume>58</volume><issue>7</issue><spage>2193</spage><epage>2202</epage><pages>2193-2202</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>The design and measurement is described of a compact (59.94 mm × 59.94 mm × 1.14 mm) bidirectional ultrawideband modified equiangular spiral antenna with an integrated feed internally matched to a 50-Ohm microstrip transmission line. An ultrawideband transition from microstrip to parallel-strip line soldered to a short (1.14 mm) twin-line transmission line feeds the spiral. The currents on the feed travel in a direction approximately perpendicular to the direction of the currents on the spiral at the points where the feed passes the spiral in close proximity (0.57 mm). Holes were etched from the metal arms of the spiral to reduce the impedance mismatch caused by coupling between the transmission line feed and the spiral. Measured and simulated radiation patterns and VSWR plots show good performance over the ultrawideband range (3.1-10.6 GHz) with a 2:1 VSWR everywhere in this range except for 3.33-3.95 GHz, which has a 3:1 VSWR. This spiral exhibits an elliptical polarization over the ultrawideband range.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TAP.2010.2048856</doi><tpages>10</tpages></addata></record> |
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| ispartof | IEEE transactions on antennas and propagation, 2010-07, Vol.58 (7), p.2193-2202 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antenna feeds Antenna measurements Arm Electric power lines Etching Microstrip antennas Parallel-plane perpendicular-current (PPPC) parallel-strip line spiral antenna Spirals theory of small reflections Transmission line antennas Transmission line measurements Ultra wideband antennas Ultra wideband technology ultrawideband (UWB) |
| title | A Compact Parallel-Plane Perpendicular-Current Feed for a Modified Equiangular Spiral Antenna |
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