Single-Layer Differential CPW-Fed Notch-Band Tapered-Slot UWB Antenna

被引：87
|
作者：
Tu, Zhi-hong [1 ]
Li, Wen-Ao [1 ]
Chu, Qing-Xin [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2014年 / 13卷
关键词：
Differential coplanar waveguide (CPW)-fed; notch band; single-layer; ultrawideband (UWB) antenna; MONOPOLE ANTENNA; PLANAR;
D O I：
10.1109/LAWP.2014.2332355
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 single-layer differential coplanar waveguide (CPW)-fed notch-band tapered-slot ultrawideband (UWB) antenna is proposed in this letter. In order to achieve the sharp and controllable notch-band characteristic, one pair of half-wavelength stubs and slits are introduced inside the tapered slot and in the circular patches, respectively. Compared to a single-ended CPW-fed UWB antenna, due to adopting the differential feeding structure, the proposed antenna has lower cross polarization. Since all of the structures are printed on the same layer of the substrate, it can be fabricated easily and very suitable to be integrated with RF front-end circuits. The measured 10-dB impedance bandwidth is 126% (from 2.78 to 12.3 GHz), along with a sharp notch band from 5.2 to 6.0 GHz. Good agreement is achieved between the measured results and simulated results.
引用
收藏
页码：1296 / 1299
页数：4
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