Considerations for Harmonics Distribution in Aperture-Tuned Inverted-F Antenna for Cellular Handheld Devices
An analysis of the harmonics distribution in the aperture-tuned inverted-F antenna (IFA) using the first-order transmission line model is presented. The analysis allows identifying local minimums for the second and third harmonics for a given use case, providing the mechanism for optimization of the...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2020-10, Vol.68 (10), p.4122-4130 |
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| container_title | IEEE transactions on microwave theory and techniques |
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| creator | Oezdamar, Oguzhan Weigel, Robert Hagelauer, Amelie Solomko, Valentyn |
| description | An analysis of the harmonics distribution in the aperture-tuned inverted-F antenna (IFA) using the first-order transmission line model is presented. The analysis allows identifying local minimums for the second and third harmonics for a given use case, providing the mechanism for optimization of the nonlinear performance of an antenna system. The theoretical findings are verified on a hardware demonstrator, comprising a mechanically reconfigurable IFA and a single-pole single-throw (SPST)-based aperture tuning network. The aperture tuning network comprises a radio frequency (RF) high-voltage switch, including a voltage detector with low-harmonic feedback and a parallel inductor. The integrated circuit (IC) was fabricated in Infineon 130-nm dedicated RF switch technology. The hardware demonstrator enables the measurements of the impedance at the feed, harmonics, RF voltage along the radiating element, and impedance at aperture tuning port. The latter provides a mechanism for optimization of load impedance at integer multiplies of transmitted frequencies, which allows minimization of harmonic content generated by the tuning IC. |
| doi_str_mv | 10.1109/TMTT.2020.2996195 |
| format | Article |
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The analysis allows identifying local minimums for the second and third harmonics for a given use case, providing the mechanism for optimization of the nonlinear performance of an antenna system. The theoretical findings are verified on a hardware demonstrator, comprising a mechanically reconfigurable IFA and a single-pole single-throw (SPST)-based aperture tuning network. The aperture tuning network comprises a radio frequency (RF) high-voltage switch, including a voltage detector with low-harmonic feedback and a parallel inductor. The integrated circuit (IC) was fabricated in Infineon 130-nm dedicated RF switch technology. The hardware demonstrator enables the measurements of the impedance at the feed, harmonics, RF voltage along the radiating element, and impedance at aperture tuning port. The latter provides a mechanism for optimization of load impedance at integer multiplies of transmitted frequencies, which allows minimization of harmonic content generated by the tuning IC.</description><identifier>ISSN: 0018-9480</identifier><identifier>EISSN: 1557-9670</identifier><identifier>DOI: 10.1109/TMTT.2020.2996195</identifier><identifier>CODEN: IETMAB</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Antenna tuning ; Antennas ; aperture tuning ; Apertures ; carrier aggregation (CA) ; Feeds ; Hardware ; Harmonic analysis ; Harmonics ; high-voltage radio frequency (RF) switch ; Impedance ; Integrated circuits ; inverted-F antenna (IFA) ; Optimization ; Radio frequency ; single-pole single-throw (SPST) ; Transmission lines ; Tuners ; Tuning ; voltage detector</subject><ispartof>IEEE transactions on microwave theory and techniques, 2020-10, Vol.68 (10), p.4122-4130</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-6f6a1c93fc0e69afe258d6f48df5a5a258cea25eb83c5a1df22aa951b342956c3</citedby><cites>FETCH-LOGICAL-c359t-6f6a1c93fc0e69afe258d6f48df5a5a258cea25eb83c5a1df22aa951b342956c3</cites><orcidid>0000-0002-7689-8529 ; 0000-0002-8270-5877 ; 0000-0002-3131-1800 ; 0000-0001-9113-9531</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9115225$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9115225$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Oezdamar, Oguzhan</creatorcontrib><creatorcontrib>Weigel, Robert</creatorcontrib><creatorcontrib>Hagelauer, Amelie</creatorcontrib><creatorcontrib>Solomko, Valentyn</creatorcontrib><title>Considerations for Harmonics Distribution in Aperture-Tuned Inverted-F Antenna for Cellular Handheld Devices</title><title>IEEE transactions on microwave theory and techniques</title><addtitle>TMTT</addtitle><description>An analysis of the harmonics distribution in the aperture-tuned inverted-F antenna (IFA) using the first-order transmission line model is presented. The analysis allows identifying local minimums for the second and third harmonics for a given use case, providing the mechanism for optimization of the nonlinear performance of an antenna system. The theoretical findings are verified on a hardware demonstrator, comprising a mechanically reconfigurable IFA and a single-pole single-throw (SPST)-based aperture tuning network. The aperture tuning network comprises a radio frequency (RF) high-voltage switch, including a voltage detector with low-harmonic feedback and a parallel inductor. The integrated circuit (IC) was fabricated in Infineon 130-nm dedicated RF switch technology. The hardware demonstrator enables the measurements of the impedance at the feed, harmonics, RF voltage along the radiating element, and impedance at aperture tuning port. The latter provides a mechanism for optimization of load impedance at integer multiplies of transmitted frequencies, which allows minimization of harmonic content generated by the tuning IC.</description><subject>Antenna tuning</subject><subject>Antennas</subject><subject>aperture tuning</subject><subject>Apertures</subject><subject>carrier aggregation (CA)</subject><subject>Feeds</subject><subject>Hardware</subject><subject>Harmonic analysis</subject><subject>Harmonics</subject><subject>high-voltage radio frequency (RF) switch</subject><subject>Impedance</subject><subject>Integrated circuits</subject><subject>inverted-F antenna (IFA)</subject><subject>Optimization</subject><subject>Radio frequency</subject><subject>single-pole single-throw (SPST)</subject><subject>Transmission lines</subject><subject>Tuners</subject><subject>Tuning</subject><subject>voltage detector</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEFLAzEQhYMoWKs_QLwseN6aZDfb5Fi21hYqXtZzSJMJpmyzNdkt-O_N2uJlZh7z3gx8CD0SPCMEi5fmvWlmFFM8o0JURLArNCGMzXNRzfE1mmBMeC5Kjm_RXYz7JEuG-QS1deejMxBU79KU2S5kaxUOnXc6ZksX--B2w7jLnM8WRwj9ECBvBg8m2_hT0mDyVbbwPXiv_vI1tO3QqvGQN1_QmmwJJ6ch3qMbq9oID5c-RZ-r16Ze59uPt0292Oa6YKLPK1spokVhNYZKKAuUcVPZkhvLFFNJaUgVdrzQTBFjKVVKMLIrSipYpYspej7fPYbue4DYy303BJ9eSlqWoiCYc55c5OzSoYsxgJXH4A4q_EiC5QhVjlDlCFVeoKbM0znjAODfLwhhlLLiF1jhdOA</recordid><startdate>20201001</startdate><enddate>20201001</enddate><creator>Oezdamar, Oguzhan</creator><creator>Weigel, Robert</creator><creator>Hagelauer, Amelie</creator><creator>Solomko, Valentyn</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The analysis allows identifying local minimums for the second and third harmonics for a given use case, providing the mechanism for optimization of the nonlinear performance of an antenna system. The theoretical findings are verified on a hardware demonstrator, comprising a mechanically reconfigurable IFA and a single-pole single-throw (SPST)-based aperture tuning network. The aperture tuning network comprises a radio frequency (RF) high-voltage switch, including a voltage detector with low-harmonic feedback and a parallel inductor. The integrated circuit (IC) was fabricated in Infineon 130-nm dedicated RF switch technology. The hardware demonstrator enables the measurements of the impedance at the feed, harmonics, RF voltage along the radiating element, and impedance at aperture tuning port. The latter provides a mechanism for optimization of load impedance at integer multiplies of transmitted frequencies, which allows minimization of harmonic content generated by the tuning IC.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMTT.2020.2996195</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-7689-8529</orcidid><orcidid>https://orcid.org/0000-0002-8270-5877</orcidid><orcidid>https://orcid.org/0000-0002-3131-1800</orcidid><orcidid>https://orcid.org/0000-0001-9113-9531</orcidid></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antenna tuning Antennas aperture tuning Apertures carrier aggregation (CA) Feeds Hardware Harmonic analysis Harmonics high-voltage radio frequency (RF) switch Impedance Integrated circuits inverted-F antenna (IFA) Optimization Radio frequency single-pole single-throw (SPST) Transmission lines Tuners Tuning voltage detector |
| title | Considerations for Harmonics Distribution in Aperture-Tuned Inverted-F Antenna for Cellular Handheld Devices |
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