Wide-band slot antennas with CPW feed lines: Hybrid and log-periodic designs

被引:47
作者
Bhobe, AU [1 ]
Holloway, CL
Piket-May, M
Hall, R
机构
[1] Univ Colorado, Dept Elect & Comp Engn, Boulder, CO 80309 USA
[2] US Dept Commerce, NIST, Boulder Labs, Boulder, CO 80303 USA
[3] Ansoft Corp, Boulder, CO 80303 USA
关键词
coplanar waveguide (CPW)-fed; slot antennas; wide-band antennas;
D O I
10.1109/TAP.2004.834425
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
In microwave and millimeter wave applications, slot antennas fed by coplanar waveguide (CPW) lines are receiving increasing attention. These antennas have several useful properties, such as a wider impedance bandwidth compared to microstrip patch antennas, and easier integration of solid-state active devices. In this paper novel CPW-fed wideband slot antennas are presented. The design procedure of CPW-fed hybrid slot antennas (HSA) having impedance bandwidths (VSWR < 2) up to 57% is described. Theoretical and measured results are shown. We also describe the design procedure of a CPW-fed log-periodic slot antenna (LPSA). The impedance matching and the radiation characteristics of these structures were studied using a method of moment technique. Simulated and measured results for different dielectrics are presented.
引用
收藏
页码:2545 / 2554
页数:10
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