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A C-band microwave rectifier without capacitors for microwave power transmission

机译:无电容器的C波段微波整流器,用于微波功率传输

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摘要

A microwave rectifier at 5.8 GHz without any capacitors is presented, which owns a measured MW-to-DC conversion efficiency of 68.1%. A harmonic rejection filter and a DC pass filter, which replace lumped capacitors in conventional microwave rectifiers, are applied to suppressing the harmonics produced by an HSMS-286 Schottky diode during rectifying. At the fundamental frequency, a microstrip impedance transformer which contains a shunt lambda/8 short-ended microstrip transmission line and two short series microstrip transmission lines are applied to compensating the imaginary impedance of the diode and matching the input impedance of the rectifier. The measured MW-to-DC conversion efficiency agrees well to the simulated results. The novel rectifier without any lumped passive elements may be applied for power transmission system at higher microwave frequencies.
机译:提出了一个5.8 GHz的无任何电容器的微波整流器,其测得的MW-DC转换效率为68.1%。谐波抑制滤波器和直流通过滤波器代替了常规微波整流器中的集总电容器,用于抑制整流过程中HSMS-286肖特基二极管产生的谐波。在基频处,应用了一个微带阻抗变压器,该变压器包含一个并联的λ/ 8短端微带传输线和两条短串联微带传输线,以补偿二极管的虚阻抗并与整流器的输入阻抗匹配。测得的MW-DC转换效率与模拟结果非常吻合。没有任何集总的无源元件的新型整流器可以应用于更高微波频率的电力传输系统。

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