利用三维PIC软件,建立与双腔速调管几何尺寸完全一致的计算模型,对矩形波导输入和矩形波导输出速调管做了设计和优化,在工作电压80 kV,束流45 A,工作中心频率为2.85 GHz条件下,得到了1.23 MW的输出功率,效率达到了35%,饱和增益达到了20.8 dB.%A two cavities klystron with waveguide input and output is modeled, designed and optimized by three-dimensional PIC software. With working voltage of 80 kV and beam current of 45 A, 1.23 MW output power has been achieved at the center frequency of 2.85 GHz. The efficiency is 35 ％ and the saturated gain is 20.8 dB.
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