Differential voltage octuple rectifiers for wireless energy harvesting

被引:5
|
作者
Zeng, Miaowang [1 ,2 ]
Li, Zihong [1 ,2 ]
Andrenko, Andrey S. [2 ]
Liu, Xianluo [2 ]
Tan, Hong-Zhou [1 ,2 ]
机构
[1] Sun Yat Sen Univ, Sch Elect & Informat Technol, Guangzhou, Guangdong, Peoples R China
[2] SYSU CMU Shunde Int Joint Res Inst, Shunde, Guangdong, Peoples R China
关键词
differential; rectifier; RF energy harvesting; voltage octupler;
D O I
10.1002/mop.30586
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 the design of a novel differential voltage octuple rectifier for wireless RF energy harvesting. Two rectifiers with common matching (CM) and two-branch matching (TBM) are presented for the CDMA850/GSM900 bands operation. Measured maximum efficiencies of CM and TBM rectifiers reach 66.5% and 70.6%, respectively. The results also show that both matching network-type rectifiers can produce higher output voltage. It is demonstrated that the designed rectifier-antenna structure powers up a battery-less LCD sensor by harvesting RF signal of a dialing cell phone. The proposed rectifier topology and matching mechanisms can be used for various energy harvesting applications, especially for those requiring high supply voltage.
引用
收藏
页码:1574 / 1578
页数:5
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