Comparison between Broadband Equiangular and Archimedean Spiral Rectennas for Energy Harvesting

被引：0
|
作者：
El-Feshawy, Maha H. [1 ]
Hammad, Hany F. [1 ]
机构：
[1] German Univ Cairo, Commun Dept, Cairo, Egypt
来源：
2016 33RD NATIONAL RADIO SCIENCE CONFERENCE (NRSC) | 2016年
关键词：
Renewable energy; ambient RF energy; frequency-independent; rectenna; equiangular spiral; Archimedean spiral and circular polarization; DESIGN; ANTENNA;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a frequency-independent array of rectennas for harvesting low power density RF radiations and converting them to DC power. Two types of spiral antennas; Equiangular spiral and Archimedean spiral are compared to each other in term of the return loss, the efficiency and the axial ratio. The optimized and fabricated antenna is rectified using a Schottky diode. A four-element circular polarized Archimedean spiral rectenna array is designed and fabricated to operate over a frequency range of 0.9-4 GHz. The measured results show that a voltage of 0.8-2 volts can be obtained.
引用
收藏
页码：94 / 101
页数：8
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