A Novel Class-F 2.45/5.8 GHz Dual-Band Rectifier for Wireless Power Transmission

被引：8

作者：

Xiao, Siyi ^{[1
,2
]}

Liu, Changjun ^{[1
,2
]}

He, Haoming ^{[1
,2
]}

Feng, Yuhao ^{[3
]}

Che, Wenquan ^{[4
]}

机构：

[1] Sichuan Univ, Sch Elect Engn & Informat, Chengdu 610064, Peoples R China

[2] Sichuan Univ, Yibin Ind Technol Res Inst, Yibin 644001, Peoples R China

[3] Univ Elect & Sci Technol China, Sch Elect Sci & Engn, Chengdu 611731, Peoples R China

[4] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510641, Peoples R China

来源：

IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS | 2024年 / 34卷 / 01期

关键词：

Class-F; dual-band; rectifier; wireless power transmission (WPT); HIGH-EFFICIENCY; INPUT POWER; RF RECTIFIERS; RANGE;

D O I：

10.1109/LMWT.2023.3330322

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 letter proposes a high-efficiency dual-band class-F rectifier for wireless power transmission (WPT). The rectifier comprises a dual-band harmonic termination network, a dual-band matching network, a single Schottky diode, and a dc pass filter. A theoretical analysis of the harmonic termination network is performed to improve the rectifying efficiency. The network exhibits good class-F operation by controlling the second and third harmonics in dual bands. A rectifier operating at 2.45 and 5.8 GHz was designed, fabricated, and measured for validation. The measurements show maximum RF-dc conversion efficiencies of 74.9% and 61.9% with 200 and 500 Omega loads at 2.45 and 5.8 GHz, respectively. The proposed rectifier achieves dual-band harmonic control with high efficiency.

引用

页码：107 / 110

页数：4

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