Tapered Slot Antenna With Band-Notched Function for Ultrawideband Radios

被引：45
作者：
Lee, Dae-Heon [1 ]
Yang, Hae-Yong [1 ]
Cho, Young-Ki [2 ]
机构：
[1] Elect & Telecommun Res Inst, Attached Inst, Taejon 305701, South Korea
[2] Kyungpook Natl Univ, Dept Elect Engn & Comp Sci, Taegu 702701, South Korea
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷
关键词：
Band-notch function; half-wavelength slot; tapered slot antenna (TSA); ultrawideband (UWB) antenna;
D O I：
10.1109/LAWP.2012.2204718
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 tapered slot antenna (TSA) with a band-notched function for ultrawideband (UWB) radios is proposed in this letter. By inserting an Archimedean spiral-shaped slot into a microstrip open-circuit circular stub of microstrip-slotline transition, a UWB operation with a notched frequency band can be obtained. Measured data for the optimized case show the bandwidth for the VSWR < 2 to be 8.8 GHz (from 2.4 to 11.2 GHz) with a notched band frequency from 4.6 to 6.2 GHz. By inserting the resonance slot on the nonradiating part of the antenna, the proposed antenna is capable of avoiding the spatial-dependent bandstop characteristics. Also, the designed antenna has a small size of 50 x 50 mm(2), which is a size reduction of 40% with respect to previous similar antennas.
引用
收藏
页码：682 / 685
页数：4
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