Abstract
A circular disc sector patch is truncated at one corner so as to obtain a fan shape. The structure is fabricated on an inexpensive FR4 substrate of dielectric constant 4.4 and has dimensions of 38 x 42mm x 1.6mm3. The single coaxial probe fed antenna generates circularly polarized radiation and covers the WLAN (2.4-2.484GHz) with measured -10dB return loss bandwidth of 4% and -3dB axial ratio bandwidth of 1.4%.Simulations and measurement results are compared and are found to be in good agreement.
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