High Efficiency 2.45 GHz Low Power Hybrid Junction Rectifier for RF Energy Harvesting

被引：0
|
作者：
Sedeek, Asmaa [1 ]
Tammam, Emad [1 ]
Hasaneen, El-Sayed [2 ]
机构：
[1] Menia Univ, Fac Engn, Elect Engn Dept, Al Minya, Egypt
[2] Aswan Univ, Fac Engn, Elect Engn Dept, Aswan, Egypt
来源：
2018 PROCEEDINGS OF THE INTERNATIONAL JAPAN-AFRICA CONFERENCE ON ELECTRONICS, COMMUNICATIONS, AND COMPUTATIONS (JAC-ECC 2018) | 2018年
关键词：
RF energy harvesting; RF rectifier; 180 degrees hybrid-based rectifier; schottky diode; power conversion efficiency;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper presents a 2.45 GHz low power rectifier utilizing a 180 degrees hybrid junction for radio frequency (RF) energy harvesting. This rectifier provides enhanced efficiency at low input power levels compared to the typical Greinacher voltage doubler rectifier. The proposed rectifier consists - in addition to the 180 degrees hybrid combiner - of two rectifying branches and two output ports. Each rectifying branch is based on the Greinacher voltage doubler configuration but contains only one rectifying diode for each branch. Using of only one diode instead of two provides significant improvement in the efficiency of the RF rectifier. The proposed rectifier configuration has been simulated using advanced design system (ADS) and its performance has been investigated and compared to the ordinary voltage doubler rectifier. The proposed rectifier provides maximum power conversion efficiency (PCE) of 70 % compared to maximum PCE of 51% for the ordinary voltage doubler circuit. Moreover, the proposed rectifier topology provides sensible enhancement of the efficiency at the lower input power levels.
引用
收藏
页码：147 / 150
页数：4
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