Journal of electromagnetic engineering and science

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Design of a UWB Antenna with Band-Notch Function

  • Fanli, Zeng (Dept. of Electronics and Computer Engineering, Hanyang University) ;
  • Lee, Jae-Won (Dept. of Electronics and Computer Engineering, Hanyang University) ;
  • Kim, Chul-Hee (Dept. of Electronics and Computer Engineering, Hanyang University) ;
  • Choi, Jae-Hoon (Dept. of Electronics and Computer Engineering, Hanyang University)
  • Received : 2009.11.27
  • Published : 2010.03.31
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Abstract

In this paper, a compact wideband antenna with a band-notch function is proposed. It operates over the UWB band with a band-stop characteristic. To increase the impedance bandwidth, a ring-shaped radiator is used. By attaching a circular stub to the ring-shaped radiator, the band-notch performance is obtained. The proposed antenna operates over a frequency range from 2.7 GHz to 11 GHz to satisfy the 10-dB return-loss requirement and provides band-stop performance in the frequency band from 5.15 GHz to 6.1 GHz. Experimental results reveal that the proposed antenna exhibits good radiation performance and is suitable for UWB applications.

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  1. Multiband-Notched UWB Antenna Using Folded Slots in the Feeding Structure vol.14, pp.1, 2014, https://doi.org/10.5515/JKIEES.2014.14.1.31