Study on Super-Wideband Planar Asymmetrical Dipole Antennas of Circular Shape

被引：49

作者：

Barbarino, Sebastiano ^{[1
,2
]}

Consoli, Fabrizio ^{[3
]}

机构：

[1] Univ Catania, Dipartimento Fis & Astron, Catania, Italy

[2] Univ Catania, Dipartimento Ingn Informat & Telecomunicaz, Catania, Italy

[3] Ist Nazl Fis Nucl, Lab Nazl Sud, I-95129 Catania, Italy

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2010年 / 58卷 / 12期

关键词：

Broadband antennas; microstrip; monopole antennas; ultrawideband (UWB) antennas; MONOPOLE ANTENNA; SLOT ANTENNA; ULTRAWIDEBAND APPLICATIONS; IMPEDANCE BANDWIDTH;

D O I：

10.1109/TAP.2010.2078469

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present a detailed study of a very large band planar circular asymmetrical dipole antenna, fed by a microstrip, for the purpose of covering most of the common communication channels with one solution. The study has been performed on two planar substrates having different dielectric permittivities. The prototype on the substrate with lower permittivity shows much larger bandwidth, and it has been realized and fully characterized, in terms of impedance matching and radiation properties. Its measured band ratio is 21.9:1. The comparison with other super-wideband (SWB) antennas of similar type, with more complex design and therefore required optimization, shows that this prototype has very appealing features of very large absolute bandwidth and band ratio, and a compact size.

引用

页码：4074 / 4078

页数：6

共 36 条

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