Application of defected ground structure in reducing the size of amplifiers
This letter presents a new technique to reduce the size of microwave amplifiers using a defected ground structure (DGS). The DGS on the ground plane of a microstrip line provides an additional effective inductive component, which enables a microstrip line with very high impedance to be realized and...
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| Veröffentlicht in: | IEEE microwave and wireless components letters 2002-07, Vol.12 (7), p.261-263 |
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| creator | LIM, Jong-Sik PARK, Jun-Seok LEE, Young-Taek AHN, Dal NAM, Sangwook |
| description | This letter presents a new technique to reduce the size of microwave amplifiers using a defected ground structure (DGS). The DGS on the ground plane of a microstrip line provides an additional effective inductive component, which enables a microstrip line with very high impedance to be realized and shows slow-wave characteristics. The resultant electrical length of the microstrip line with DGS is longer than that of a conventional line for the same physical length. Therefore, the microstrip line with DGS can be shortened in order to maintain the same electrical length, matching, and performances of the basic (original) amplifier. To confirm the validity of this idea, two amplifiers, one of which is designed using a conventional microstrip line and the other is reduced using DGS, are fabricated, measured, and compared. The performance of the reduced amplifier with DGS is quite similar to that of the basic amplifier, even though the series microstrip lines with DGS are much smaller than those of the basic amplifier by 53.8% and 55.6% at input and output matching networks, respectively. |
| doi_str_mv | 10.1109/LMWC.2002.801139 |
| format | Article |
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The DGS on the ground plane of a microstrip line provides an additional effective inductive component, which enables a microstrip line with very high impedance to be realized and shows slow-wave characteristics. The resultant electrical length of the microstrip line with DGS is longer than that of a conventional line for the same physical length. Therefore, the microstrip line with DGS can be shortened in order to maintain the same electrical length, matching, and performances of the basic (original) amplifier. To confirm the validity of this idea, two amplifiers, one of which is designed using a conventional microstrip line and the other is reduced using DGS, are fabricated, measured, and compared. The performance of the reduced amplifier with DGS is quite similar to that of the basic amplifier, even though the series microstrip lines with DGS are much smaller than those of the basic amplifier by 53.8% and 55.6% at input and output matching networks, respectively.</description><identifier>ISSN: 1531-1309</identifier><identifier>ISSN: 2771-957X</identifier><identifier>EISSN: 1558-1764</identifier><identifier>EISSN: 2771-9588</identifier><identifier>DOI: 10.1109/LMWC.2002.801139</identifier><identifier>CODEN: IMWCBJ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Amplifiers ; Applied sciences ; Associate members ; Circuit properties ; Dielectric substrates ; Distributed amplifiers ; Electric, optical and optoelectronic circuits ; Electronics ; Exact sciences and technology ; Ground plane ; Grounds ; High impedance ; Impedance matching ; Matching ; Microstrip components ; Microstrip lines ; Microwave amplifiers ; Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits ; Microwave theory and techniques ; Microwaves ; Performance evaluation ; Periodic structures ; Power transmission lines ; Resultants</subject><ispartof>IEEE microwave and wireless components letters, 2002-07, Vol.12 (7), p.261-263</ispartof><rights>2002 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2002</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c443t-57a62b72ff6ba3616602ace20bc202f55e275556907b4b31119e98c020051ed73</citedby><cites>FETCH-LOGICAL-c443t-57a62b72ff6ba3616602ace20bc202f55e275556907b4b31119e98c020051ed73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1016817$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1016817$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13771873$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>LIM, Jong-Sik</creatorcontrib><creatorcontrib>PARK, Jun-Seok</creatorcontrib><creatorcontrib>LEE, Young-Taek</creatorcontrib><creatorcontrib>AHN, Dal</creatorcontrib><creatorcontrib>NAM, Sangwook</creatorcontrib><title>Application of defected ground structure in reducing the size of amplifiers</title><title>IEEE microwave and wireless components letters</title><addtitle>LMWC</addtitle><description>This letter presents a new technique to reduce the size of microwave amplifiers using a defected ground structure (DGS). The DGS on the ground plane of a microstrip line provides an additional effective inductive component, which enables a microstrip line with very high impedance to be realized and shows slow-wave characteristics. The resultant electrical length of the microstrip line with DGS is longer than that of a conventional line for the same physical length. Therefore, the microstrip line with DGS can be shortened in order to maintain the same electrical length, matching, and performances of the basic (original) amplifier. To confirm the validity of this idea, two amplifiers, one of which is designed using a conventional microstrip line and the other is reduced using DGS, are fabricated, measured, and compared. The performance of the reduced amplifier with DGS is quite similar to that of the basic amplifier, even though the series microstrip lines with DGS are much smaller than those of the basic amplifier by 53.8% and 55.6% at input and output matching networks, respectively.</description><subject>Amplifiers</subject><subject>Applied sciences</subject><subject>Associate members</subject><subject>Circuit properties</subject><subject>Dielectric substrates</subject><subject>Distributed amplifiers</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Ground plane</subject><subject>Grounds</subject><subject>High impedance</subject><subject>Impedance matching</subject><subject>Matching</subject><subject>Microstrip components</subject><subject>Microstrip lines</subject><subject>Microwave amplifiers</subject><subject>Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits</subject><subject>Microwave theory and techniques</subject><subject>Microwaves</subject><subject>Performance evaluation</subject><subject>Periodic structures</subject><subject>Power transmission lines</subject><subject>Resultants</subject><issn>1531-1309</issn><issn>2771-957X</issn><issn>1558-1764</issn><issn>2771-9588</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqN0c2L1TAUBfAiCo6je8FNEdRVn_fmO8vh4Rc-caO4DGl6M2boa59Ju9C_3pQ3oLhQV8nidw4kp2keI-wQwb48fPiy3zEAtjOAyO2d5gKlNB1qJe5ud44dcrD3mwel3ACgMAIvmvdXp9OYgl_SPLVzbAeKFBYa2us8r9PQliWvYVkztWlqMw1rSNN1u3yltqQftCX8sRbERLk8bO5FPxZ6dHteNp9fv_q0f9sdPr55t786dEEIvnRSe8V6zWJUvecKlQLmAzHoAwMWpSSmpZTKgu5FzxHRkjUB6uMk0qD5ZfPi3HvK87eVyuKOqQQaRz_RvBZXg1YJNKrK53-VzAhbW8W_oVYShf4vKDgXUOHTP-DNvOap_oszRggAK01FcEYhz6Vkiu6U09Hn7w7BbbO6bVa3zerOs9bIs9teX4IfY_ZTSOVXjmuNRvPqnpxdIqLfalEZ1PwnCXmocQ</recordid><startdate>20020701</startdate><enddate>20020701</enddate><creator>LIM, Jong-Sik</creator><creator>PARK, Jun-Seok</creator><creator>LEE, Young-Taek</creator><creator>AHN, Dal</creator><creator>NAM, Sangwook</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>H8D</scope><scope>7U5</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20020701</creationdate><title>Application of defected ground structure in reducing the size of amplifiers</title><author>LIM, Jong-Sik ; PARK, Jun-Seok ; LEE, Young-Taek ; AHN, Dal ; NAM, Sangwook</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c443t-57a62b72ff6ba3616602ace20bc202f55e275556907b4b31119e98c020051ed73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Amplifiers</topic><topic>Applied sciences</topic><topic>Associate members</topic><topic>Circuit properties</topic><topic>Dielectric substrates</topic><topic>Distributed amplifiers</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Ground plane</topic><topic>Grounds</topic><topic>High impedance</topic><topic>Impedance matching</topic><topic>Matching</topic><topic>Microstrip components</topic><topic>Microstrip lines</topic><topic>Microwave amplifiers</topic><topic>Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits</topic><topic>Microwave theory and techniques</topic><topic>Microwaves</topic><topic>Performance evaluation</topic><topic>Periodic structures</topic><topic>Power transmission lines</topic><topic>Resultants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>LIM, Jong-Sik</creatorcontrib><creatorcontrib>PARK, Jun-Seok</creatorcontrib><creatorcontrib>LEE, Young-Taek</creatorcontrib><creatorcontrib>AHN, Dal</creatorcontrib><creatorcontrib>NAM, Sangwook</creatorcontrib><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><collection>Aerospace Database</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE microwave and wireless components letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIM, Jong-Sik</au><au>PARK, Jun-Seok</au><au>LEE, Young-Taek</au><au>AHN, Dal</au><au>NAM, Sangwook</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Application of defected ground structure in reducing the size of amplifiers</atitle><jtitle>IEEE microwave and wireless components letters</jtitle><stitle>LMWC</stitle><date>2002-07-01</date><risdate>2002</risdate><volume>12</volume><issue>7</issue><spage>261</spage><epage>263</epage><pages>261-263</pages><issn>1531-1309</issn><issn>2771-957X</issn><eissn>1558-1764</eissn><eissn>2771-9588</eissn><coden>IMWCBJ</coden><abstract>This letter presents a new technique to reduce the size of microwave amplifiers using a defected ground structure (DGS). The DGS on the ground plane of a microstrip line provides an additional effective inductive component, which enables a microstrip line with very high impedance to be realized and shows slow-wave characteristics. The resultant electrical length of the microstrip line with DGS is longer than that of a conventional line for the same physical length. Therefore, the microstrip line with DGS can be shortened in order to maintain the same electrical length, matching, and performances of the basic (original) amplifier. To confirm the validity of this idea, two amplifiers, one of which is designed using a conventional microstrip line and the other is reduced using DGS, are fabricated, measured, and compared. The performance of the reduced amplifier with DGS is quite similar to that of the basic amplifier, even though the series microstrip lines with DGS are much smaller than those of the basic amplifier by 53.8% and 55.6% at input and output matching networks, respectively.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/LMWC.2002.801139</doi><tpages>3</tpages></addata></record> |
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| subjects | Amplifiers Applied sciences Associate members Circuit properties Dielectric substrates Distributed amplifiers Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Ground plane Grounds High impedance Impedance matching Matching Microstrip components Microstrip lines Microwave amplifiers Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwave theory and techniques Microwaves Performance evaluation Periodic structures Power transmission lines Resultants |
| title | Application of defected ground structure in reducing the size of amplifiers |
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