Title :
A broadband bow-tie antenna used in UHF with metal reflection plane
Author :
Boxun Xiao ; Linyan Guo ; Minhua Li ; Helin Yang
Author_Institution :
Eng. Geophys. Res. Center, Yangtze Univ., Jingzhou, China
Abstract :
There are many kinds of antennas used in UWB system. Double-side printed bow-tie antenna is one of them which has the advantages of light weight, planar structure, low cost and broad bandwidth. In this paper, a double-side printed bow-tie antenna used in UHF band is proposed first. Then a metal reflection plane is added on the back of this antenna to increase its gain and inhibit backward radiation. Return loss of -10dB or better is located in the band of 0.95-2.7 GHz and the relative bandwidth is 95.9%. They have the similar VSWR quality. Besides, the reflection plane has a strong influence on radiation pattern and antenna gain. Gain in dB of former antenna has been raised from around 2.5dB to 7.5dB due to the metal reflection plane. Hence, it has a great prospect in the application of double-side printed bow-tie antenna with metal reflection plane.
Keywords :
UHF antennas; antenna radiation patterns; bow-tie antennas; broadband antennas; microstrip antennas; UHF antennas; antenna gain; antenna radiation pattern; backward radiation; broadband bow-tie antenna; double side printed bow-tie antenna; frequency 0.95 GHz to 2.7 GHz; gain 10 dB; metal reflection plane; Antenna radiation patterns; Gain; Reflection; Reflector antennas; Ultra wideband antennas;
Conference_Titel :
Antennas, Propagation & EM Theory (ISAPE), 2012 10th International Symposium on
Conference_Location :
Xian
Print_ISBN :
978-1-4673-1799-3
DOI :
10.1109/ISAPE.2012.6408730
