A Foldable Textile-based Broadband Archimedean Spiral Rectenna for RF Energy Harvesting

被引：0
|
作者：
El Khosht, Randa M. [1 ]
El Feshawy, Maha A. [1 ]
El Shorbagy, Menna A. [1 ]
Farag, Monica N. [1 ]
El Said, Ahmed E. [1 ]
Hammad, Hany F. [1 ]
Abdel-Hamid, Amr T. [1 ]
机构：
[1] German Univ Cairo, New Cairo, Egypt
来源：
2016 16TH MEDITERRANEAN MICROWAVE SYMPOSIUM (MMS) | 2016年
关键词：
Rectenna; rectifier; DC-DC conversion; textile-based antennas; energy harvesting;
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：
In this work, a new Broadband RF energy harvesting system is introduced, employing an Archimedean spiral antenna, a 6-stage voltage doubler, and a DC-DC converter. The proposed system operates over a frequency range from 0.9 GHz to 4 GHz. A balun is used to feed the antenna and is connected to the rectifying circuit via an SMA connector. The spiral antenna is fabricated using Conductive Shieldit super and Felt for the substrate. Also, other textile materials were used such as: Stainless steel threads for the conductive layer and Fleece for the substrate. The measured rectified DC voltage had a peak of 1.5V when testing outdoors, and was 0.5 V when testing indoors. The overall system efficiency was approximately 30%.
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页数：4
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