Circularly polarised printed crossed dipole antennas with broadband axial ratio
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- 19 June 2008
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 44 (13) , 785-786
- https://doi.org/10.1049/el:20080794
Abstract
A novel printed crossed dipole with broad circular polarisation (CP) is proposed. This dipole is also utilised in 1 × 2 and 2 × 2 array antennas. The proposed dipole can produce CP because of its sequentially rotated configuration. The broadband CP performance is achieved because of a parasitic dipole crossing over the original dipole with a 90° phase delay line. The experimental results show that single, 1 × 2, and 2 × 2 antennas yield bandwidths of 15.6, 24.5, and 39.2% for 3 dB axial ratio, respectively.Keywords
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