Cascaded Reflection-Type Group Delay Controller With a Wideband Flat Group Delay
This letter presents a wideband group delay controller (GDC) based on cascaded reflection-type phase shifters (RTPSs). Frequency tunable resonators are used as the reflective loads of each phase shifter so that the phase shifter has a variable group delay resulting in a reflection-type GDC (RTGDC)....
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| Veröffentlicht in: | IEEE microwave and wireless technology letters (Print) 2023-07, Vol.33 (7), p.1-4 |
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| creator | Yang, Gisung Lee, Donghyun Min, Byung-Wook |
| description | This letter presents a wideband group delay controller (GDC) based on cascaded reflection-type phase shifters (RTPSs). Frequency tunable resonators are used as the reflective loads of each phase shifter so that the phase shifter has a variable group delay resulting in a reflection-type GDC (RTGDC). Two RTGDCs with different types of reflective loads are cascaded to compensate for their group delay variation over frequency. The first and the second stage of the cascaded RTGDC are respectively in charge of the delay in low and high-frequency bands and the cascaded delay is flat over a wide bandwidth. The proposed cascaded RTGDC operates at 3.7 GHz over 200-MHz bandwidth. The measured group delay varies from 0.67 to 2.18 ns, which is a 1.51-ns group delay variation under 9.1% normalized group delay variation over the bandwidth. The return loss is over 18 dB and the insertion loss is 2.1 \pm 1.3 dB at 3.7 GHz. |
| doi_str_mv | 10.1109/LMWT.2023.3258415 |
| format | Article |
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Frequency tunable resonators are used as the reflective loads of each phase shifter so that the phase shifter has a variable group delay resulting in a reflection-type GDC (RTGDC). Two RTGDCs with different types of reflective loads are cascaded to compensate for their group delay variation over frequency. The first and the second stage of the cascaded RTGDC are respectively in charge of the delay in low and high-frequency bands and the cascaded delay is flat over a wide bandwidth. The proposed cascaded RTGDC operates at 3.7 GHz over 200-MHz bandwidth. The measured group delay varies from 0.67 to 2.18 ns, which is a 1.51-ns group delay variation under 9.1% normalized group delay variation over the bandwidth. The return loss is over 18 dB and the insertion loss is 2.1 <inline-formula> <tex-math notation="LaTeX">\pm</tex-math> </inline-formula> 1.3 dB at 3.7 GHz.</description><identifier>ISSN: 2771-957X</identifier><identifier>EISSN: 2771-9588</identifier><identifier>DOI: 10.1109/LMWT.2023.3258415</identifier><identifier>CODEN: IMWTAZ</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Bandwidth ; Bandwidths ; Broadband ; Controllers ; Delays ; Frequencies ; Frequency variation ; Group delay ; Group delay controller (GDC) ; Insertion loss ; large delay variation range ; Phase shifters ; reflection-type phase shifter (RTPS) ; Resonant frequency ; resonator ; Resonators ; varactor diode ; Varactors ; wide bandwidth</subject><ispartof>IEEE microwave and wireless technology letters (Print), 2023-07, Vol.33 (7), p.1-4</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c224t-6f90b3d2c35f04d224ec141b4dda043762cecc5a855dfa2a876960c137d48b513</citedby><cites>FETCH-LOGICAL-c224t-6f90b3d2c35f04d224ec141b4dda043762cecc5a855dfa2a876960c137d48b513</cites><orcidid>0000-0002-8504-3629 ; 0000-0002-2583-2554 ; 0000-0001-7456-8713</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/10081277$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/10081277$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Yang, Gisung</creatorcontrib><creatorcontrib>Lee, Donghyun</creatorcontrib><creatorcontrib>Min, Byung-Wook</creatorcontrib><title>Cascaded Reflection-Type Group Delay Controller With a Wideband Flat Group Delay</title><title>IEEE microwave and wireless technology letters (Print)</title><addtitle>LMWT</addtitle><description>This letter presents a wideband group delay controller (GDC) based on cascaded reflection-type phase shifters (RTPSs). Frequency tunable resonators are used as the reflective loads of each phase shifter so that the phase shifter has a variable group delay resulting in a reflection-type GDC (RTGDC). Two RTGDCs with different types of reflective loads are cascaded to compensate for their group delay variation over frequency. The first and the second stage of the cascaded RTGDC are respectively in charge of the delay in low and high-frequency bands and the cascaded delay is flat over a wide bandwidth. The proposed cascaded RTGDC operates at 3.7 GHz over 200-MHz bandwidth. The measured group delay varies from 0.67 to 2.18 ns, which is a 1.51-ns group delay variation under 9.1% normalized group delay variation over the bandwidth. The return loss is over 18 dB and the insertion loss is 2.1 <inline-formula> <tex-math notation="LaTeX">\pm</tex-math> </inline-formula> 1.3 dB at 3.7 GHz.</description><subject>Bandwidth</subject><subject>Bandwidths</subject><subject>Broadband</subject><subject>Controllers</subject><subject>Delays</subject><subject>Frequencies</subject><subject>Frequency variation</subject><subject>Group delay</subject><subject>Group delay controller (GDC)</subject><subject>Insertion loss</subject><subject>large delay variation range</subject><subject>Phase shifters</subject><subject>reflection-type phase shifter (RTPS)</subject><subject>Resonant frequency</subject><subject>resonator</subject><subject>Resonators</subject><subject>varactor diode</subject><subject>Varactors</subject><subject>wide bandwidth</subject><issn>2771-957X</issn><issn>2771-9588</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkNFKwzAUhoMoOHQPIHgR8LrzJGna5FKqm8JEkcm8C2lyih21rUl3sbe3Y0N29R8O338OfITcMJgxBvp--bpezThwMRNcqpTJMzLhec4SLZU6_5_zr0syjXEDAFxnPGNyQt4LG5316OkHVg26oe7aZLXrkS5Ct-3pIzZ2R4uuHULXNBjouh6-qR3DY2lbT-eNHU7Za3JR2Sbi9JhX5HP-tCqek-Xb4qV4WCaO83RIskpDKTx3QlaQ-nGHjqWsTL23kIo84w6dk1ZJ6SvLrcoznYFjIvepKiUTV-TucLcP3e8W42A23Ta040sjQHOeg1YwUuxAudDFGLAyfah_bNgZBmbvzuzdmb07c3Q3dm4PnRoRT3hQbBQp_gDT-ml9</recordid><startdate>20230701</startdate><enddate>20230701</enddate><creator>Yang, Gisung</creator><creator>Lee, Donghyun</creator><creator>Min, Byung-Wook</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/0000-0002-8504-3629</orcidid><orcidid>https://orcid.org/0000-0002-2583-2554</orcidid><orcidid>https://orcid.org/0000-0001-7456-8713</orcidid></search><sort><creationdate>20230701</creationdate><title>Cascaded Reflection-Type Group Delay Controller With a Wideband Flat Group Delay</title><author>Yang, Gisung ; Lee, Donghyun ; Min, Byung-Wook</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c224t-6f90b3d2c35f04d224ec141b4dda043762cecc5a855dfa2a876960c137d48b513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Bandwidth</topic><topic>Bandwidths</topic><topic>Broadband</topic><topic>Controllers</topic><topic>Delays</topic><topic>Frequencies</topic><topic>Frequency variation</topic><topic>Group delay</topic><topic>Group delay controller (GDC)</topic><topic>Insertion loss</topic><topic>large delay variation range</topic><topic>Phase shifters</topic><topic>reflection-type phase shifter (RTPS)</topic><topic>Resonant frequency</topic><topic>resonator</topic><topic>Resonators</topic><topic>varactor diode</topic><topic>Varactors</topic><topic>wide bandwidth</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Gisung</creatorcontrib><creatorcontrib>Lee, Donghyun</creatorcontrib><creatorcontrib>Min, Byung-Wook</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 microwave and wireless technology letters (Print)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yang, Gisung</au><au>Lee, Donghyun</au><au>Min, Byung-Wook</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cascaded Reflection-Type Group Delay Controller With a Wideband Flat Group Delay</atitle><jtitle>IEEE microwave and wireless technology letters (Print)</jtitle><stitle>LMWT</stitle><date>2023-07-01</date><risdate>2023</risdate><volume>33</volume><issue>7</issue><spage>1</spage><epage>4</epage><pages>1-4</pages><issn>2771-957X</issn><eissn>2771-9588</eissn><coden>IMWTAZ</coden><abstract>This letter presents a wideband group delay controller (GDC) based on cascaded reflection-type phase shifters (RTPSs). Frequency tunable resonators are used as the reflective loads of each phase shifter so that the phase shifter has a variable group delay resulting in a reflection-type GDC (RTGDC). Two RTGDCs with different types of reflective loads are cascaded to compensate for their group delay variation over frequency. The first and the second stage of the cascaded RTGDC are respectively in charge of the delay in low and high-frequency bands and the cascaded delay is flat over a wide bandwidth. The proposed cascaded RTGDC operates at 3.7 GHz over 200-MHz bandwidth. The measured group delay varies from 0.67 to 2.18 ns, which is a 1.51-ns group delay variation under 9.1% normalized group delay variation over the bandwidth. The return loss is over 18 dB and the insertion loss is 2.1 <inline-formula> <tex-math notation="LaTeX">\pm</tex-math> </inline-formula> 1.3 dB at 3.7 GHz.</abstract><cop>Piscataway</cop><pub>IEEE</pub><doi>10.1109/LMWT.2023.3258415</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-8504-3629</orcidid><orcidid>https://orcid.org/0000-0002-2583-2554</orcidid><orcidid>https://orcid.org/0000-0001-7456-8713</orcidid></addata></record> |
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| identifier | ISSN: 2771-957X |
| ispartof | IEEE microwave and wireless technology letters (Print), 2023-07, Vol.33 (7), p.1-4 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Bandwidth Bandwidths Broadband Controllers Delays Frequencies Frequency variation Group delay Group delay controller (GDC) Insertion loss large delay variation range Phase shifters reflection-type phase shifter (RTPS) Resonant frequency resonator Resonators varactor diode Varactors wide bandwidth |
| title | Cascaded Reflection-Type Group Delay Controller With a Wideband Flat Group Delay |
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