Broadband circularly polarised antenna with asymmetric ground and L‐shaped strips. Issue 23 (1st November 2014)

• Record Type: Journal Article
• Authors: Zhang, Huan; Jiao, Yong‐Chang; Ni, Tao; Liang, Wei‐Long
• Is Part Of: Electronics letters. Volume 50:Issue 23(2014)
• Page Start: 1660
• Page End: 1662
• Publication Date: 2014-11-01
• Subjects: broadband antennas -- electromagnetic wave polarisation -- coplanar waveguide components -- UHF antennas -- antenna feeds -- microwave antennas; broadband circularly polarised antenna -- coplanar waveguide feedline -- L‐shaped grounded strips -- asymmetrical ground -- axial ratio -- CPW feedline -- bandwidth 2.01 GHz -- bandwidth 2.1 GHz -- frequency 1.85 GHz to 3.95 GHz; Electronics -- Periodicals; 621.381
• DOI: 10.1049/el.2014.2989
• Languages: English
• ISSNs: 0013-5194

Abstract

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.