Development of High-Power Charge Pump Rectifier for Microwave Wireless Power Transmission

Development of High-Power Charge Pump Rectifier for Microwave Wireless Power Transmission
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用于微波无线电力传输的大功率电荷泵整流器的开发

DOI:
10.1109/jmw.2022.3204434
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发表时间:
2022
影响因子:
--
通讯作者:
and Tomohiko MItani
and Tomohiko MItani
中科院分区:
--
文献类型:
--
作者:
Koki Miwatashi;Takashi Hirakawa;Naoki Shinohara;and Tomohiko MItani

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这项研究从理论和实验上表明,电荷泵整流器的小功率整流器,如RF-ID可以应用到大功率整流器,可以达到相同的水平的RF-DC转换效率和两倍的高功率整流的单并联整流器。大功率整流器主要是单并联整流器,在RF-ID等低功率应用中使用施加两倍输出电压的电荷泵整流器。我们的目标是通过关注电荷泵整流器的特性来提高其功率。一个5.8 GHz的电荷泵整流器实现了70.8%的RF-DC转换效率在8.0 W的输入功率和负载电阻。这一结果也是5.8 GHz频段39 dBm整流器的最高效率。与具有相同二极管的单并联整流器相比,电荷泵整流器在最大输入功率下产生两倍的输入功率和2.9%的效率差异。这些结果表明,在大功率整流器中,电荷泵整流器比单并联整流器具有优势。
This study theoretically and experimentally indicates that a charge pump rectifier for low-power rectifiers such as RF-ID can be applied to high-power rectifiers and can attain the same level of RF-dc conversion efficiency and twice as high power rectification as the single-shunt rectifiers. A high-power rectifier is primarily a single-shunt rectifier, and a charge pump rectifier that applies twice the output voltage is used in low-power applications such as RF-ID. We aim to enhance the power of charge pump rectifiers by focusing on their characteristics. A fabricated 5.8 GHz charge pump rectifier achieved an RF-dc conversion efficiency of 70.8% at an input power of 8.0 W and a load resistance of. This result is also the highest efficiency for 39 dBm rectifiers in the 5.8 GHz band. Compared to a single-shunt rectifier with the same diode, the charge pump rectifier generated twice the input power and efficiency difference of 2.9% at the maximum input power. These results indicate that the charge pump rectifier has an advantage over the single-shunt rectifier in high-power rectifiers.
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