摘要
设计了一种基于砷化镓场效应管(GaAs FETs)的S波段微波功率放大和整流双向电路,分析了微波功率放大电路与整流电路之间的类似性。利用ADS对其进行仿真,并进行实验验证。该电路具有微波功率放大功能,增益和功率附加效率分别为11.9 d B和55%,输出功率达28.9 d Bm。该电路同时具有将微波转换为直流的功能。当电路偏置在C类状态下,微波输入功率为30 d Bm,且直流负载为55?时,获得了75.6%的整流效率。电路正向放大反向整流的特性可望应用到双向微波无线能量传输系统中。
An S-band GaAs Field Effect Tube(FET)microwave bi-directional circuit is designed as a power amplifier and a rectifier.The similarity between a power amplifier and a rectifier is discussed.The circuit is simulated by ADS and measured.In the amplifying mode,the circuit receives a high DC-MWPAE(Power Added Efficiency)as55%with an output power of28.9dBm and a gain of11.9dB.The circuit is able to work in rectifying mode as well.It is biased in the class-C mode and shows an efficiency of75.6%as the microwave input power is30dBm with a DC load of55Ω.The characteristics that the circuit can be an amplifier forward and a rectifier reverse would be applied to the bi-directional system of microwave wireless power transmissions.
作者
王洪彬
刘长军
WANG Hongbin;LIU Changjun(School of Electronics and Information Engineering,Sichuan University,Chengdu Sichuan 610064,China)
出处
《太赫兹科学与电子信息学报》
2017年第2期239-242,共4页
Journal of Terahertz Science and Electronic Information Technology
基金
国家自然科学基金资助项目(61271074)
关键词
微波功率放大器
整流器
双向性
microwave power amplifier
rectifier
bi-directional
