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基于微带-鳍线-波导过渡的16路功率合成网络的设计
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摘要
本文提出了一种工作在Ku频段基于微带-鳍线-波导过渡的16路功率合成网络。首先利用电磁仿真软件HFSS进行了仿真分析,提出了改善各路信号幅度和相位一致性,以及消除模型中谐振效应的方法,然后制作了实物并进行了测试。在13.75~14.75GHz频段内,测试的S11小于-20d B,S21优于-0.6d B,整个工作频带内没有出现谐振现象。设计的功率合成网络具有损耗小、幅度和相位一致性好、端口匹配良好、电路结构紧凑和尺寸小的优点。
This paper presents a 16-way power combining network based on microstrip-finline-waveguide transition in Ku-band. First, the electromagnetic simulation software HFSS was used for simulation analysis, the methods of improving the signal amplitude and phase consistency of each way, and eliminating the resonant effect in the model are proposed, and then produced the power combining network and tested. In the 13.75~14.75 GHz band, the test S11 is less than-20 d B, S21 is better than-0.6d B, there is no resonant effect in the entire operating band. The design of the power combining network has advantages of low loss, good amplitude and phase consistency, good port matching, compact circuit structure and small size.
引文
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