扩宽负载范围的微波整流器阻抗匹配器

IF 2.9 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Microwave and Wireless Components Letters Pub Date : 2022-10-01 DOI:10.1109/LMWC.2022.3174203

Jianyu Chen, Hui Xiao, H. Xiong, D. Xiao, Wei-Chang Song, Huaiqing Zhang

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引用次数: 2

摘要

本文在Zeta变换器的基础上设计了一种新型的阻抗匹配器，以克服其他阻抗匹配方法的缺点，提高低电阻下的负载范围。系统级验证表明，新型IM在微波无线功率传输（MWPT）系统中具有潜在的应用价值。测量结果表明，当输入功率为32dBm时，新型IM整流器的最大功率转换效率可达73%。此外，当负载从0.01到10$\text｛k｝\Omega$（1:1000）变化为32dBm的输入功率时，所提出的具有IM的整流器电路可以以60%以上的总效率运行。与没有IM的情况相比，当整流器效率＞50.7%时，IM的应用可以使负载范围至少增加1100%。测量结果表明，当连接到新型IM时，整流器电路具有更好的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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An Impedance Matcher for Microwave Rectifier to Broaden Load Range

In this letter, a novel impedance matcher (IM) is designed based on Zeta converter to overcome the shortcomings of other impedance matching methods and improve the load range in low resistances. System-level verification demonstrates that the novel IM has a potential application value for microwave wireless power transmission (MWPT) system. Measurement results show the maximum power conversion efficiency (PCE) of the novel rectifier with IM can reach 73% when the input power is 32 dBm. In addition, the proposed rectifier circuit with IM can operate with above 60% overall efficiency when the load varies from 0.01 to 10 $\text{k}\Omega $ (1:1000) as input power of 32 dBm. Compared with that without IM, the application of IM can increase the load range by at least 1100% when the rectifier efficiency is >50.7%. The measurement results demonstrate that the rectifier circuit has a better performance when connected to the novel IM.

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来源期刊

IEEE Microwave and Wireless Components Letters 工程技术-工程：电子与电气

自引率

13.30%

发文量

376

审稿时长

3.0 months

期刊介绍： The IEEE Microwave and Wireless Components Letters (MWCL) publishes four-page papers (3 pages of text + up to 1 page of references) that focus on microwave theory, techniques and applications as they relate to components, devices, circuits, biological effects, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, medical and industrial activities. Microwave theory and techniques relates to electromagnetic waves in the frequency range of a few MHz and a THz; other spectral regions and wave types are included within the scope of the MWCL whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design.