Development of a 100 mW-Class 94 GHz High-Efficiency Single-Series Rectifier Feed by Finline for Micro-UAV Application

IF 1.3 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Active and Passive Electronic Components Pub Date : 2020-08-21 DOI:10.1155/2020/4072325

Kosumo Matsui, K. Komurasaki, Waku Hatakeyama, K. Shimamura, Kohei Fujiwara, Hidehiko Yamaoka

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引用次数: 1

Abstract

Wireless power transfer (WPT) is one solution to realize long flight times and accommodate various missions of micro-uncrewed aerial vehicles (MAVs). Reducing the constraint of power transmission distance and realizing high beam efficiency are possible because of the high directivity of WPT using millimeter wave (MMW) methods. Nevertheless, no report of the relevant literature describes an investigation of sending power to an MAV using MMW because MMW rectennas have low efficiency. The purpose of our study is to conduct fundamental research of a high-efficiency and high-power rectenna at 94 GHz aimed at MAV application using MMW. As described herein, we developed and evaluated a 100-mW-class single-diode rectifier at 94 GHz with a finline of a waveguide (WG) to a microstrip-line (MSL) transducer. With the optimum load of 150 Ω at input power of 128 mW, the output DC power and rectifying efficiency were obtained respectively as 41.7 mW and 32.5%. By comparison to an earlier study, measurement of 94 GHz rectifiers under high power input becomes more accurate through this study.

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微型无人机用100 mw级94 GHz鳍线高效单串联整流馈源的研制

无线电力传输(WPT)是实现长时间飞行和适应微型无人飞行器(MAVs)各种任务的一种解决方案。利用毫米波(MMW)方法的高指向性使得WPT可以减少功率传输距离的限制，实现高光束效率。然而，由于毫米波整流天线效率低，没有相关文献报道描述了使用毫米波向MAV发送功率的调查。我们的研究目的是针对毫米波MAV应用的高效率大功率94ghz整流天线进行基础研究。如本文所述，我们开发并评估了一种94 GHz的100 mw级单二极管整流器，其鳍线为波导(WG)到微带线(MSL)换能器。在最佳负载为150 Ω，输入功率为128 mW时，输出直流功率为41.7 mW，整流效率为32.5%。与之前的研究相比，本研究提高了94ghz整流器在高功率输入下的测量精度。

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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来源期刊

Active and Passive Electronic Components ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

13 weeks

期刊介绍： Active and Passive Electronic Components is an international journal devoted to the science and technology of all types of electronic components. The journal publishes experimental and theoretical papers on topics such as transistors, hybrid circuits, integrated circuits, MicroElectroMechanical Systems (MEMS), sensors, high frequency devices and circuits, power devices and circuits, non-volatile memory technologies such as ferroelectric and phase transition memories, and nano electronics devices and circuits.