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http://dx.doi.org/10.5515/KJKIEES.2014.25.9.886

Design of Wideband Bow-Tie Antenna with Folded-Slit Band-Notch Structure  

Nam, Hyun-Soo (School of Electronics Engineering, College of IT Engineering, Kyoungpook National University)
Woo, Dong Sik (School of Electronics Engineering, College of IT Engineering, Kyoungpook National University)
Kim, Sung-Kyun (School of Electronics Engineering, College of IT Engineering, Kyoungpook National University)
Kim, In-Bok (School of Electronics Engineering, College of IT Engineering, Kyoungpook National University)
Choi, Hyun-Chul (School of Electronics Engineering, College of IT Engineering, Kyoungpook National University)
Kim, Kang Wook (School of Electronics Engineering, College of IT Engineering, Kyoungpook National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.25, no.9, 2014 , pp. 886-894 More about this Journal
Abstract
A wideband bow-tie antenna fed by wideband microstrip-coplanar stripline(CPS) balun and band notch structures that can be applied to bow-tie antenna are proposed in this paper. In order to increase bandwidth, bow-tie radiators are reshaped so that the surface current flows continuously, and wideband impedance matching is achieved by adjusting strip width and spacing of CPS feeding line. The VSWR is measured as 2:1 over the wide frequency range of 2.3~12 GHz. The fabricated antenna size is $60mm{\times}60mm$. In order to achieve the band-notch function at WLAN(5.8 GHz), ${\lambda}/4$ folded-slits located ${\lambda}/4$ away from feeding point are utilized. To minimize the slit size, folded-slit type is adopted. The measured VSWR is 7:1 and gain attenuation is 14 dB at 5.8 GHz.
Keywords
Bow-Tie Antenna; Coplanar Stripline(CPS); Balun; Band-Notch; Folded-Slit;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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