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A novel high‐gain circularly polarized microstrip antenna fed by a coupled microstrip line (CMS) is presented. The circularly polarized radiation is excited by a pair of side‐concave patches. Two identical patches are combined and fed by CMS. The simulated maximum gain is 9.5 dB and minimum axial ratio (AR) is 0.3 dB both at the center frequency of 5.8 GHz. A 180° phase shifter balun is designed to...
A novel circularly polarized microstrip antenna fed by coupled microstrip lines is presented. The antenna is printed on a single layer substrate. Circular polarized wave is excited by a pair of side-concaved square patches. A balun from coupled microstrip lines to microstrip line is designed to measure the antenna's performances. The experiment results show that the maximum gain is 9.71dB and the...
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