一种用于无线能量采集的新型24ghz小型化柔性整流器

2021 Research, Invention, and Innovation Congress: Innovation Electricals and Electronics (RI2C) Pub Date : 2021-09-01 DOI:10.1109/RI2C51727.2021.9559805

B. T. Malik, V. Doychinov, Syed Ali Raza Zaidi, N. Chudpooti, Nattapong Duangrit, P. Akkaraekthalin, N. Somjit, I. Robertson

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引用次数: 0

摘要

在这篇研究文章中，设计和制造了一个用于无线电力传输到可穿戴设备的24 GHz小型化柔性整流器。所提出的电路由一个并联拓扑整流器组成，其中包括一个单根阻抗匹配网络。柔性整流器的原型设计采用了传统的PCB制造技术。它的总占地面积为5.29平方厘米。所提出的整流器在紧凑性和rf - dc转换效率之间表现出良好的平衡。在非常薄的基板(130微米)上实现，使其耐用于可穿戴应用。实验结果表明，该整流器的输出直流电压为2.0 V，最佳负载电阻为250 Ω，在24 GHz频率下，输入功率为17 dBm，测量到的RF-DC转换效率为23%。

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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A Novel 24-GHz Miniaturized Flexible Rectifier for Wireless Energy Harvesting

In this research article, the design and fabrication of a miniaturized flexible rectifier at 24 GHz for wireless power transfer to wearables is presented. The proposed circuit consists of a shunt topology rectifier including a single stub impedance matching network. Conventional PCB fabrication technique is used for the prototyping of the proposed flexible rectifier. It has a total footprint of 5.29 cm2. The proposed rectifier exhibits a good trade-off between compactness and RF-to-DC conversion efficiency. The implementation on a very thin substrate (130 µm) makes it durable for wearables applications. Experimental results of the proposed rectifier show an output DC voltage of 2.0 V across an optimal load resistance of 250 Ω and measured RF-DC conversion efficiency of 23% for an input power of 17 dBm at 24 GHz.

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来源期刊

2021 Research, Invention, and Innovation Congress: Innovation Electricals and Electronics (RI2C)

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