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首页> 外文期刊>IEEE Transactions on Industrial Electronics >A High-Input Power Rectifier Circuit for 2.45-GHz Microwave Wireless Power Transmission
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A High-Input Power Rectifier Circuit for 2.45-GHz Microwave Wireless Power Transmission

机译：A High-Input Power Rectifier Circuit for 2.45-GHz Microwave Wireless Power Transmission

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摘要

In this article, a high-input power (30#x00A0;dBm) rectifier circuit for 2.45-GHz microwave wireless power transmission is presented. To overcome the shortcomings of the traditional Schottky rectifier circuit, the novel rectifier circuit is designed based on a GaAs field-effect transistor (FET) and a Schottky diode together as the rectification part. A system-level verification demonstrates that the novel rectifier circuit has a potential application value for microwave wireless power transmission system. Measurement results show that higher input power range and MW-dc power conversion efficiency are realized at the same time by this design scheme. The maximum MW-dc conversion efficiency of the novel rectifier circuit can reach 74.42#x0025; when the input power is 30#x00A0;dBm, and it is 20#x0025; higher than the peak conversion efficiency of the traditional rectifier without FET. In addition, the proposed rectifier circuit can operate with over 50#x0025; efficiency when the input power varies from 16 to 31#x00A0;dBm, and has a good performance with the value of load ranging from 70 to 730#x00A0;#x03A9;, it is mean that the novel rectifier circuit is able to provide power for some electronic devices with different impedance.

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