一种新型宽输入功率范围无线电力传输整流器

2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition Pub Date : 2013-08-01 DOI:10.1109/IWEM.2013.6888778

Hucheng Sun, Yong-xin Guo, Z. Zhong

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引用次数: 5

摘要

本文提出了一种新型整流器，其工作输入功率范围大大扩大，适用于无线电力传输应用。通过利用耗尽模式金属氧化物半导体场效应晶体管(MOSFET)，二极管的击穿电压可以扩大，同时保持相同的阈值电压。因此，与传统整流器相比，该整流器可以在更宽的输入功率范围内实现更高的rf -dc功率转换效率(PCE)。测试结果表明，在-13.5 ~ 16.7 dBm的输入功率范围内，整流器的PCE可以达到50%以上。

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A novel rectifier for wireless power transmission with a wide input power range

This paper presents a novel rectifier with a considerably expanded operating input power range for wireless power transmission (WPT) applications. By utilizing a depletion-mode metal-oxide-semiconductor field-effect transistor (MOSFET), the diode's breakdown voltage can be enlarged while preserving the same threshold voltage. Therefore, compared with traditional rectifiers, this proposed rectifier can perform a high RF-to-dc power conversion efficiency (PCE) in a much wider input power range. The rectifier's performance has been proved by measurement results, which show that a PCE above 50% can be achieved over the input power range from -13.5 to 16.7 dBm.

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2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition

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