Frequency- and Bandwidth-Tunable Absorptive Bandpass Filter
In this paper, an analytic design method for a frequency- and bandwidth-tunable absorptive bandpass filter is introduced. The presented design method relies on the transformation from the normalized absorptive low-pass filter prototype to a bandpass filter structure with parallel resonators and admi...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2019-06, Vol.67 (6), p.2172-2180 |
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| container_title | IEEE transactions on microwave theory and techniques |
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| creator | Jeong, Seong-Wook Lee, Tae-Hak Lee, Juseop |
| description | In this paper, an analytic design method for a frequency- and bandwidth-tunable absorptive bandpass filter is introduced. The presented design method relies on the transformation from the normalized absorptive low-pass filter prototype to a bandpass filter structure with parallel resonators and admittance inverters. The inverter values for producing a predefined frequency response are given in closed-form expressions so that a filter design needs no heuristic approach and can be carried out in an analytic manner. This work also presents a new tunable stub resonator structure capable of changing not only its resonant frequency but also the slope parameter. As the slope parameter can be adjusted, it is allowed to use static inverters in designing a filter whose bandwidth can be tuned. For demonstrating our design method for a reconfigurable absorptive bandpass filter, a third-order filter having the target to have the frequency tuning range from 1.35 to 1.65 GHz and the bandwidth tuning range from 5% to 10% has been designed and measured. |
| doi_str_mv | 10.1109/TMTT.2019.2914111 |
| format | Article |
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The presented design method relies on the transformation from the normalized absorptive low-pass filter prototype to a bandpass filter structure with parallel resonators and admittance inverters. The inverter values for producing a predefined frequency response are given in closed-form expressions so that a filter design needs no heuristic approach and can be carried out in an analytic manner. This work also presents a new tunable stub resonator structure capable of changing not only its resonant frequency but also the slope parameter. As the slope parameter can be adjusted, it is allowed to use static inverters in designing a filter whose bandwidth can be tuned. 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(IEEE) 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-255b7e0bbcf4e64b5bbb1aa48a681ac6025dd5f2540f495dee6b3f4c68a1dd023</citedby><cites>FETCH-LOGICAL-c293t-255b7e0bbcf4e64b5bbb1aa48a681ac6025dd5f2540f495dee6b3f4c68a1dd023</cites><orcidid>0000-0002-9358-7597 ; 0000-0003-0881-9283 ; 0000-0003-4910-7039</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8717621$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8717621$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Jeong, Seong-Wook</creatorcontrib><creatorcontrib>Lee, Tae-Hak</creatorcontrib><creatorcontrib>Lee, Juseop</creatorcontrib><title>Frequency- and Bandwidth-Tunable Absorptive Bandpass Filter</title><title>IEEE transactions on microwave theory and techniques</title><addtitle>TMTT</addtitle><description>In this paper, an analytic design method for a frequency- and bandwidth-tunable absorptive bandpass filter is introduced. The presented design method relies on the transformation from the normalized absorptive low-pass filter prototype to a bandpass filter structure with parallel resonators and admittance inverters. The inverter values for producing a predefined frequency response are given in closed-form expressions so that a filter design needs no heuristic approach and can be carried out in an analytic manner. This work also presents a new tunable stub resonator structure capable of changing not only its resonant frequency but also the slope parameter. As the slope parameter can be adjusted, it is allowed to use static inverters in designing a filter whose bandwidth can be tuned. For demonstrating our design method for a reconfigurable absorptive bandpass filter, a third-order filter having the target to have the frequency tuning range from 1.35 to 1.65 GHz and the bandwidth tuning range from 5% to 10% has been designed and measured.</description><subject>Absorptive filter</subject><subject>Absorptivity</subject><subject>Bandpass filters</subject><subject>Bandwidth</subject><subject>Electrical impedance</subject><subject>Filter design (mathematics)</subject><subject>Frequency response</subject><subject>Heuristic methods</subject><subject>Inverters</subject><subject>Low pass filters</subject><subject>Mathematical analysis</subject><subject>microstrip line filter structure</subject><subject>Parameters</subject><subject>Prototypes</subject><subject>Resonant frequencies</subject><subject>Resonant frequency</subject><subject>Resonators</subject><subject>Static inverters</subject><subject>Test methods</subject><subject>tunable filter</subject><subject>tunable stub resonator</subject><subject>Tuning</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEFPwzAMhSMEEmPwAxCXSpwz7DRJE3EaEwOkIS7lHCVNKjqNtiQdaP-ejk1cbFl-79n6CLlGmCGCvitfy3LGAPWMaeSIeEImKERBtSzglEwAUFHNFZyTi5TW48gFqAm5X8bwtQ1ttaOZbX32MJafxg8ftNy21m1CNnepi_3QfIe_ZW9TypbNZgjxkpzVdpPC1bFPyfvysVw809Xb08tivqIV0_lAmRCuCOBcVfMguRPOObSWKysV2koCE96LmgkONdfChyBdXvNKKoveA8un5PaQ28du_DUNZt1tYzueNIzlhVQMGI4qPKiq2KUUQ2362HzauDMIZs_I7BmZPSNzZDR6bg6eJoTwr1cFFnJM_AWVsGJi</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Jeong, Seong-Wook</creator><creator>Lee, Tae-Hak</creator><creator>Lee, Juseop</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><orcidid>https://orcid.org/0000-0002-9358-7597</orcidid><orcidid>https://orcid.org/0000-0003-0881-9283</orcidid><orcidid>https://orcid.org/0000-0003-4910-7039</orcidid></search><sort><creationdate>20190601</creationdate><title>Frequency- and Bandwidth-Tunable Absorptive Bandpass Filter</title><author>Jeong, Seong-Wook ; Lee, Tae-Hak ; Lee, Juseop</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-255b7e0bbcf4e64b5bbb1aa48a681ac6025dd5f2540f495dee6b3f4c68a1dd023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Absorptive filter</topic><topic>Absorptivity</topic><topic>Bandpass filters</topic><topic>Bandwidth</topic><topic>Electrical impedance</topic><topic>Filter design (mathematics)</topic><topic>Frequency response</topic><topic>Heuristic methods</topic><topic>Inverters</topic><topic>Low pass filters</topic><topic>Mathematical analysis</topic><topic>microstrip line filter structure</topic><topic>Parameters</topic><topic>Prototypes</topic><topic>Resonant frequencies</topic><topic>Resonant frequency</topic><topic>Resonators</topic><topic>Static inverters</topic><topic>Test methods</topic><topic>tunable filter</topic><topic>tunable stub resonator</topic><topic>Tuning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jeong, Seong-Wook</creatorcontrib><creatorcontrib>Lee, Tae-Hak</creatorcontrib><creatorcontrib>Lee, Juseop</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><jtitle>IEEE transactions on microwave theory and techniques</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Jeong, Seong-Wook</au><au>Lee, Tae-Hak</au><au>Lee, Juseop</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Frequency- and Bandwidth-Tunable Absorptive Bandpass Filter</atitle><jtitle>IEEE transactions on microwave theory and techniques</jtitle><stitle>TMTT</stitle><date>2019-06-01</date><risdate>2019</risdate><volume>67</volume><issue>6</issue><spage>2172</spage><epage>2180</epage><pages>2172-2180</pages><issn>0018-9480</issn><eissn>1557-9670</eissn><coden>IETMAB</coden><abstract>In this paper, an analytic design method for a frequency- and bandwidth-tunable absorptive bandpass filter is introduced. The presented design method relies on the transformation from the normalized absorptive low-pass filter prototype to a bandpass filter structure with parallel resonators and admittance inverters. The inverter values for producing a predefined frequency response are given in closed-form expressions so that a filter design needs no heuristic approach and can be carried out in an analytic manner. This work also presents a new tunable stub resonator structure capable of changing not only its resonant frequency but also the slope parameter. As the slope parameter can be adjusted, it is allowed to use static inverters in designing a filter whose bandwidth can be tuned. 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| ispartof | IEEE transactions on microwave theory and techniques, 2019-06, Vol.67 (6), p.2172-2180 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Absorptive filter Absorptivity Bandpass filters Bandwidth Electrical impedance Filter design (mathematics) Frequency response Heuristic methods Inverters Low pass filters Mathematical analysis microstrip line filter structure Parameters Prototypes Resonant frequencies Resonant frequency Resonators Static inverters Test methods tunable filter tunable stub resonator Tuning |
| title | Frequency- and Bandwidth-Tunable Absorptive Bandpass Filter |
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