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A novel printed crossed dipole with broad axial ratio (AR) bandwidth is proposed. The proposed dipole consists of two dipoles crossed through a 90°phase delay line, which produces one minimum AR point due to the sequentially rotated configuration and four parasitic loops, which generate one additional minimum AR point. By combining these two minimum AR points, the proposed dipole achieves a broadband...
A single probe-fed reconfigurable circularly polarized microstrip patch antenna with a circular slot is proposed. As one right (left) side point of the circular slot is shorted between the inside of the slot and the rectangular patch, the proposed antenna yields right (left) - handed circular polarization. Each of polarization modes is operated at the same frequency. The proposed antenna has been...
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