Wideband active small antenna design using the dummy antenna for T-DMB system
The frequency band for T-DMB (terrestrial digital multimedia broadcasting) system in Korea is assigned to the VHF channel 7~13 (174 MHz~216 MHz) and channel 8 and channel 12 are used in Seoul. The length of the lambda/4 monopole with an infinite ground is about 38 cm to make a resonance at 200 MHz....
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| creator | Kim, D.Z. Oh, K.S. Lee, M.Q. Min, S.B. Yu, J.W. |
| description | The frequency band for T-DMB (terrestrial digital multimedia broadcasting) system in Korea is assigned to the VHF channel 7~13 (174 MHz~216 MHz) and channel 8 and channel 12 are used in Seoul. The length of the lambda/4 monopole with an infinite ground is about 38 cm to make a resonance at 200 MHz. Generally, meander line, high dielectric constant material and parasitic elements have been used to reduce the large size of a T-DMB antenna. But, as the effective size of an antenna is reduced, the bandwidth is getting narrower. So, these passive small antennas can not cover the wideband of T-DMB. In this work, the wideband active small antenna is proposed. We integrated the lambda/32 (4.75 cm) short monopole with LNA (low noise amplifier) for the mobile application. To obtain the wideband characteristic, we used the dummy antenna, which is the 2-port equivalent circuit of real antenna. |
| doi_str_mv | 10.1109/APS.2007.4396544 |
| format | Conference Proceeding |
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The length of the lambda/4 monopole with an infinite ground is about 38 cm to make a resonance at 200 MHz. Generally, meander line, high dielectric constant material and parasitic elements have been used to reduce the large size of a T-DMB antenna. But, as the effective size of an antenna is reduced, the bandwidth is getting narrower. So, these passive small antennas can not cover the wideband of T-DMB. In this work, the wideband active small antenna is proposed. We integrated the lambda/32 (4.75 cm) short monopole with LNA (low noise amplifier) for the mobile application. To obtain the wideband characteristic, we used the dummy antenna, which is the 2-port equivalent circuit of real antenna.</description><identifier>ISSN: 1522-3965</identifier><identifier>ISBN: 9781424408771</identifier><identifier>ISBN: 1424408776</identifier><identifier>EISBN: 1424408784</identifier><identifier>EISBN: 9781424408788</identifier><identifier>DOI: 10.1109/APS.2007.4396544</identifier><language>eng</language><publisher>IEEE</publisher><subject>Bandwidth ; Broadband amplifiers ; Broadband antennas ; Dielectric materials ; Digital multimedia broadcasting ; Equivalent circuits ; Frequency ; High-K gate dielectrics ; Low-noise amplifiers ; Resonance</subject><ispartof>2007 IEEE Antennas and Propagation Society International Symposium, 2007, p.4505-4508</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4396544$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,2056,27924,54919</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4396544$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Kim, D.Z.</creatorcontrib><creatorcontrib>Oh, K.S.</creatorcontrib><creatorcontrib>Lee, M.Q.</creatorcontrib><creatorcontrib>Min, S.B.</creatorcontrib><creatorcontrib>Yu, J.W.</creatorcontrib><title>Wideband active small antenna design using the dummy antenna for T-DMB system</title><title>2007 IEEE Antennas and Propagation Society International Symposium</title><addtitle>APS</addtitle><description>The frequency band for T-DMB (terrestrial digital multimedia broadcasting) system in Korea is assigned to the VHF channel 7~13 (174 MHz~216 MHz) and channel 8 and channel 12 are used in Seoul. The length of the lambda/4 monopole with an infinite ground is about 38 cm to make a resonance at 200 MHz. Generally, meander line, high dielectric constant material and parasitic elements have been used to reduce the large size of a T-DMB antenna. But, as the effective size of an antenna is reduced, the bandwidth is getting narrower. So, these passive small antennas can not cover the wideband of T-DMB. In this work, the wideband active small antenna is proposed. We integrated the lambda/32 (4.75 cm) short monopole with LNA (low noise amplifier) for the mobile application. To obtain the wideband characteristic, we used the dummy antenna, which is the 2-port equivalent circuit of real antenna.</description><subject>Bandwidth</subject><subject>Broadband amplifiers</subject><subject>Broadband antennas</subject><subject>Dielectric materials</subject><subject>Digital multimedia broadcasting</subject><subject>Equivalent circuits</subject><subject>Frequency</subject><subject>High-K gate dielectrics</subject><subject>Low-noise amplifiers</subject><subject>Resonance</subject><issn>1522-3965</issn><isbn>9781424408771</isbn><isbn>1424408776</isbn><isbn>1424408784</isbn><isbn>9781424408788</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2007</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo9kM1KAzEYRSMq2NbuBTd5gRnz82WSLGv9hRYFB1yWTPJNjXSiTKbCvL2I1dXlci5ncQm54KzknNmrxfNLKRjTJUhbKYAjMuUgAJjRBo7J3Grz1zU_IROuhCh-pmdkmvM7Y0JqriZk_RoDNi4F6vwQv5Dmzu121KUBU3I0YI7bRPc5pi0d3pCGfdeN_7j96Gld3KyvaR7zgN05OW3dLuP8kDNS393Wy4di9XT_uFysimjZUHiQgF4GcIDcMIbKgVGIrfDW62C8llCxthGSa2hUVWGwoXVCQggOnZUzcvmrjYi4-exj5_pxc3hCfgMDFlAP</recordid><startdate>200706</startdate><enddate>200706</enddate><creator>Kim, D.Z.</creator><creator>Oh, K.S.</creator><creator>Lee, M.Q.</creator><creator>Min, S.B.</creator><creator>Yu, J.W.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>200706</creationdate><title>Wideband active small antenna design using the dummy antenna for T-DMB system</title><author>Kim, D.Z. ; Oh, K.S. ; Lee, M.Q. ; Min, S.B. ; Yu, J.W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-c434ec3d4a4e1800e5a485eef2c9c7d8c73460fb23174b566ed9dfa234ddaea93</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Bandwidth</topic><topic>Broadband amplifiers</topic><topic>Broadband antennas</topic><topic>Dielectric materials</topic><topic>Digital multimedia broadcasting</topic><topic>Equivalent circuits</topic><topic>Frequency</topic><topic>High-K gate dielectrics</topic><topic>Low-noise amplifiers</topic><topic>Resonance</topic><toplevel>online_resources</toplevel><creatorcontrib>Kim, D.Z.</creatorcontrib><creatorcontrib>Oh, K.S.</creatorcontrib><creatorcontrib>Lee, M.Q.</creatorcontrib><creatorcontrib>Min, S.B.</creatorcontrib><creatorcontrib>Yu, J.W.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kim, D.Z.</au><au>Oh, K.S.</au><au>Lee, M.Q.</au><au>Min, S.B.</au><au>Yu, J.W.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Wideband active small antenna design using the dummy antenna for T-DMB system</atitle><btitle>2007 IEEE Antennas and Propagation Society International Symposium</btitle><stitle>APS</stitle><date>2007-06</date><risdate>2007</risdate><spage>4505</spage><epage>4508</epage><pages>4505-4508</pages><issn>1522-3965</issn><isbn>9781424408771</isbn><isbn>1424408776</isbn><eisbn>1424408784</eisbn><eisbn>9781424408788</eisbn><abstract>The frequency band for T-DMB (terrestrial digital multimedia broadcasting) system in Korea is assigned to the VHF channel 7~13 (174 MHz~216 MHz) and channel 8 and channel 12 are used in Seoul. The length of the lambda/4 monopole with an infinite ground is about 38 cm to make a resonance at 200 MHz. Generally, meander line, high dielectric constant material and parasitic elements have been used to reduce the large size of a T-DMB antenna. But, as the effective size of an antenna is reduced, the bandwidth is getting narrower. So, these passive small antennas can not cover the wideband of T-DMB. In this work, the wideband active small antenna is proposed. We integrated the lambda/32 (4.75 cm) short monopole with LNA (low noise amplifier) for the mobile application. To obtain the wideband characteristic, we used the dummy antenna, which is the 2-port equivalent circuit of real antenna.</abstract><pub>IEEE</pub><doi>10.1109/APS.2007.4396544</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | ISSN: 1522-3965 |
| ispartof | 2007 IEEE Antennas and Propagation Society International Symposium, 2007, p.4505-4508 |
| issn | 1522-3965 |
| language | eng |
| recordid | cdi_ieee_primary_4396544 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Bandwidth Broadband amplifiers Broadband antennas Dielectric materials Digital multimedia broadcasting Equivalent circuits Frequency High-K gate dielectrics Low-noise amplifiers Resonance |
| title | Wideband active small antenna design using the dummy antenna for T-DMB system |
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