Small Circularly Polarized U-Slot Wideband Patch Antenna | IEEE Journals & Magazine | IEEE Xplore

Small Circularly Polarized U-Slot Wideband Patch Antenna


Abstract:

A single-feed circularly polarized (CP) patch antenna at L-band is designed and built using the recently developed U-slot loaded patch technique. With the presence of the...Show More

Abstract:

A single-feed circularly polarized (CP) patch antenna at L-band is designed and built using the recently developed U-slot loaded patch technique. With the presence of the U-slot, the antenna fabricated on a high-dielectric-constant (εr = 10.02) substrate achieves a reasonable axial-ratio bandwidth. At the operating frequency of 1.575 GHz, the size of the patch is 0.13λo × 0.13λo, while the ground size is 0.315λo × 0.315λo and the thickness of the substrate is 0.05λo. The measured gain is 4.5 dBi, and axial-ratio bandwidth is 3.2%.
Page(s): 87 - 90
Date of Publication: 04 February 2011

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