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http://dx.doi.org/10.5515/JKIEES.2010.10.1.039

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)
Publication Information
Journal of electromagnetic engineering and science / v.10, no.1, 2010 , pp. 39-44 More about this Journal
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.
Keywords
Band Notch; Circular Stub; Ring Radiator; UWB; WLAN;
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