DocumentCode
40193
Title
Broadband circularly polarised antenna with asymmetric ground and L-shaped strips
Author
Huan Zhang ; Yong-Chang Jiao ; Tao Ni ; Wei-Long Liang
Author_Institution
Nat. Lab. of Antennas & Microwave Technol., Xidian Univ., Xi´an, China
Volume
50
Issue
23
fYear
2014
fDate
11 6 2014
Firstpage
1660
Lastpage
1662
Abstract
A novel broadband circularly polarised antenna fed by a coplanar waveguide (CPW) is proposed. Two L-shaped grounded strips and an asymmetrical ground are utilised to achieve the broadband circular polarisation (CP) feature. The measured results show that the 10 dB impedance bandwidth of the antenna is 2.01 GHz (69.4%, 1.89-3.9 GHz) and the 3 dB axial ratio (AR) bandwidth is 2.1 GHz (72.4%, 1.85-3.95 GHz). The experimental results agree well with the simulated results.
Keywords
UHF antennas; antenna feeds; broadband antennas; coplanar waveguide components; electromagnetic wave polarisation; microwave antennas; CPW feedline; L-shaped grounded strips; asymmetrical ground; axial ratio; bandwidth 2.01 GHz; bandwidth 2.1 GHz; broadband circularly polarised antenna; coplanar waveguide feedline; frequency 1.85 GHz to 3.95 GHz;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el.2014.2989
Filename
6955066
Link To Document