A 100-MHz Radio-Frequency Energy Harvester for Passively Powered Devices

被引：0
|
作者：
Chou, Chih-Hsien [1 ]
Hsieh, Ping-Hsuan [1 ]
机构：
[1] Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu, Taiwan
来源：
2015 EUROPEAN CONFERENCE ON CIRCUIT THEORY AND DESIGN (ECCTD) | 2015年
关键词：
Radio-frequency energy harvesting; passively powered devices; power conversion efficiency; sensitivity; fullbridge differential rectifier; switched-inductor boost converter; EFFICIENCY;
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：
A 100-MHz radio-frequency energy harvester is designed and implemented for passively powered devices. The proposed design achieves high power conversion efficiency over wide input power range by adjusting the effective loading and setting the rectifier's output voltage adaptively. Reconfigurable structure further extends the operating range. As a self-contained energy harvester, the sensitivity is simulated to be -23 dBm which supplies an output voltage of 1.8 V over a 10-Mohm load. More than 30% of power conversion efficiency can be achieved for input available power from -20 dBm to 0 dBm.
引用
收藏
页码：105 / 108
页数：4
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