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

页码：707 / 715

页数：9

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