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2011-12-12
Broadband CPW-Fed Circularly Polarized Antenna with Equiangular Tapered-Shaped Feedline for Ultra-Wideband Applications
By
Progress In Electromagnetics Research C, Vol. 26, 83-95, 2012
Abstract
A novel coplanar waveguide (CPW)-fed circularly polarized (CP) antenna is proposed. The antenna is composed of a square ground plane with a circular slot and an equiangular tapered-shaped feedline. With the use of a special shaped feedline, the axial ratio (AR) bandwidth of the proposed antenna is about 61.9% (2.9-5.5 GHz), which is larger than most of similar antennas proposed before. In addition, the impedance bandwidth, determined by 10-dB return loss, is between 2.9-20 GHz, which makes the antenna be used for ultra-wideband (UWB) applications.
Citation
Qiong Chen, Hui-Li Zheng, Ting Quan, and Xia Li, "Broadband CPW-Fed Circularly Polarized Antenna with Equiangular Tapered-Shaped Feedline for Ultra-Wideband Applications," Progress In Electromagnetics Research C, Vol. 26, 83-95, 2012.
doi:10.2528/PIERC11110603
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