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W波段回旋速调管具有高增益和高输出功率的特点,在军用雷达方面有广泛的应用。本方利用电磁粒子模拟软件CHIPIC设计了一个W波段五腔回旋速调管,优化了互作用电路的结构和工作参数,分析了电子注与场的换能过程以及工作频率对输出效率和增益的影响。该管的工作模式为TE01模,当工作电压为70kV、电流为6A、频率为93.8GHz时获得了167.3kW的最大输出功率和39.8%的工作效率。当工作频率为93.65GHz时取得了50dB的增益和400MHz的带宽。该模拟结果对回旋速调管在雷达方面的应用提供了理论依据。
W-band gyro klystron with high gain and high output power characteristics, military radar has a wide range of applications. The use of electromagnetic particle simulation software CHIPIC designed a W-band five-cavity gyro klystron, the optimization of the interaction circuit structure and operating parameters, the analysis of the electronic injection and the field of energy conversion process and the operating frequency of the output efficiency and gain influences. The working mode of the tube is TE01 mode, and when the operating voltage is 70kV, the current is 6A, the maximum output power of 167.3kW and the working efficiency of 39.8% are obtained when the frequency is 93.8GHz. When the operating frequency of 93.65GHz achieved 50dB gain and 400MHz bandwidth. The simulation results provide a theoretical basis for the application of the gyro klystron in radar.