A novel dual-frequency microwave rectifier at 2.45 and 5.8GHz with harmonic recycling

被引：3
|
作者：
Jiang, Wan [1 ]
Liu, Changjun [1 ]
Yu, Chengyang [1 ]
Tan, Feifei [1 ]
Chen, Xing [1 ]
Huang, Kama [1 ]
机构：
[1] Sichuan Univ, Sch Elect & Informat Engn, Chengdu 610064, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2013年 / 27卷 / 06期
关键词：
WIRELESS ENERGY-TRANSFER; POWER TRANSMISSION; GHZ; DESIGN;
D O I：
10.1080/09205071.2013.763589
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 novel dual-frequency microwave rectifier that operates at 2.45GHz alone, 5.8GHz alone, or their combination has been developed in this paper. It is the first approach to microwave rectifying for a situation of the incoherent microwave power combination. We focused on the two primary components, i.e. the regulation of impedance matching and the recycling of the second harmonics. A quarter-wave short-ended microstrip line at 5.8GHz is shunted at the input of the rectifier to enhance the impedance matching at 2.45GHz. A microstrip line band-stop filter (BSF) and a quarter-wave short-ended microstrip line are introduced to improve the recycling of the second harmonics. The measured microwave to DC (MW-DC) conversion efficiencies are 57.5, 46.5, and 40.7% at 2.45, 5.8GHz, and their combination, respectively, with an input microwave power at 17dBm. It may be applied to a dual-frequency microwave power wireless transmission system.
引用
收藏
页码：707 / 715
页数：9
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