Vol. 55

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2014-11-10

Dual Circularly Polarized Antenna with Suspended Strip Line Feeding

By Jianjun Wu, Hao Yang, and Ying-Zeng Yin
Progress In Electromagnetics Research C, Vol. 55, 9-16, 2014
doi:10.2528/PIERC14092301

Abstract

A dual circularly polarized (CP) antenna is proposed in this paper. By employing suspended strip line to feed the patch at the two diagonal positions with 90º phase difference, single circular polarization is firstly obtained. Then dual circular polarization is excited by an L-shaped strip. The two feeding ports near the edges of the L-shaped strip arms provide the conversion between left-hand circular polarization (LHCP) and right-hand circular polarization (RHCP). Measured results show that the proposed antenna has 10-dB return loss bandwidth of 30.5% (2.08-2.83 GHz), 10-dB isolation bandwidth of 15.7% (2.29-2.68 GHz), 3-dB axial ratio (AR) bandwidth of 25.1% (2.16-2.78 GHz).

Citation


Jianjun Wu, Hao Yang, and Ying-Zeng Yin, "Dual Circularly Polarized Antenna with Suspended Strip Line Feeding," Progress In Electromagnetics Research C, Vol. 55, 9-16, 2014.
doi:10.2528/PIERC14092301
http://jpier.org/PIERC/pier.php?paper=14092301

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