A MICROSTRIP-FED LOGARITHMICALLY TAPERED SLOT ANTENNA FOR WIDEBAND APPLICATIONS

被引:19
作者
Wang, N. -B. [1 ]
Jiao, Y. -C. [1 ]
Song, Y. [1 ]
Zhang, L. [1 ]
Zhang, F. -S. [1 ]
机构
[1] Xidian Univ, Natl Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
关键词
VIVALDI ANTENNA;
D O I
10.1163/156939309789108543
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
A novel microstrip-fed logarithmically tapered slot antenna (TSA) for wideband applications is presented. The wideband impedance matching and antenna gain are improved by introducing a logarithmically tapered slot. The experimental results demonstrate that this antenna achieves an impedance bandwidth ratio of 15.5 : 1 for VSWR <= 2 from 0.89 to 13.80 GHz and has an antenna gain varying from 4.2 to 15.6 dBi and a cross-polarization level of more than 15 dB within the operating frequency range. The performances of the TSAs with different shapes of the tapered slot over a wide bandwidth are also compared and discussed in detail.
引用
收藏
页码:1335 / 1344
页数:10
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