一种用于反无人机设备的三频段功率放大器

A Tri-Band PA for Counter-UAV Applications

在现有双频匹配理论的基础上,设计了一种可同时工作在1.5/2.4/5.8 GHz三个频段的射频功率放大器。为满足对抗无人机的实际应用需求,首先匹配2.4 GHz和5.8 GHz两个频率,然后匹配1.5 GHz,并设计相应的三频段输入输出匹配网络,完成了三频段功率放大器整体电路的设计。ADS仿真结果表明,当输入功率为28 dBm时,在三个频段设计的射频功率放大器的输出功率分别为39.88 dBm、40.94 dBm和39.25 dBm,效率分别达到了46.52%、60.54%和39.40%。该功率放大器可应用在基于信号抑制或信号欺骗的反制无人机设备中,提升放大器效率与设备集成度。

Based on the existing dual-band matching theory,an RF power amplifier which can operate at three bands of 1.5/2.4/5.8 GHz was designed.In order to meet the practical application requirements of Counter-UAV(unmanned aerial vehicle),firstly two frequency bands of 2.4 GHz and 5.8 GHz were matched,and then 1.5 GHz was matched,and the corresponding tri-band input-output matching network was designed.Finally,the overall circuit of the tri-band power amplifier was designed.ADS simulation results show that when the input power is 28 dBm,the output power of the RF power amplifier designed in the three frequency bands are 39.88 dBm,40.94 dBm and 39.25 dBm respectively,and the efficiency reaches 46.52%,60.54%and 39.40%respectively.The power amplifier can be used in Counter-UAV equipment based on signal suppression or signal spoofing to improve amplifier efficiency and equipment integration.