Aperture Fed Wideband Circularly Polarized Rectangular Stair Shaped Dielectric Resonator Antenna
- 3 April 2006
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Antennas and Propagation
- Vol. 54 (4), 1350-1352
- https://doi.org/10.1109/tap.2006.872665
Abstract
A circularly polarized rectangular stair shaped dielectric resonator antenna (DRA) is presented. The DRA is excited by a narrow rectangular slot and rotated 45/spl deg/ with respect to the sides of the DRA to generate circular polarization. A parametric study of the length to width ratio to optimize the axial ratio bandwidth is given. A 3 dB axial ratio bandwidth of 10.6% is achieved when the length to width ratio is 1.9.Keywords
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