X波段同轴腔多注速调管的研究  

Study of a X-Band Coaxial Cavity Multi Beam Klystron

作　　者：丁耀根[1] 阮存军[1] 沈斌[1] 张永清[1] 曹静[1] 

机构地区：[1]中国科学院电子学研究所,北京100080

出　　处：《电子学报》2006年第B12期2337-2341,共5页Acta Electronica Sinica

摘　　要：开展了具有同轴谐振腔互作用电路和双模工作杆控电子枪的X波段同轴腔双模多注速调管的研究工作.结合数值计算和冷测实验,对工作于TM310高次模的同轴谐振腔模式分布和特性参数进行研究,获得了可满足多注速调管要求的谐振腔特性阻抗和良好的模式稳定性.采用具有双控制极的新型杆控多注电子枪及电子光学系统,可使多注速调管具有双模的新工作特性,通过数值模拟获得了优化的几何参数和具有良好层流性和波动性的空心多电子注.对采用6个电子注和5个谐振腔的X波段多注速调管进行了注波互作用大信号计算,结果表明当电子注电压为21.5kV,脉冲电流为14.4A时,可在30MHz频带范围内获得的100kW左右的脉冲输出功率,互作用效率大于30%,增益大于36dB.The X-band coaxial cavity multi beam klystron（MBK） with its beam-wave interaction system and new type of pole controlled electron gun is studied. With the numerical simulation and experiment, the characteristic parameters of high mode TM310 are achieved with the appropriate impedance and stable field distribution. Using the pole controlled electron gun with double focus electrodes and its optical system, the MBK can work both in pulse and continuous pattern, and the optimized geometry parameters with high quality hollow electron beam are obtained. The non-linear calculation of beam-wave interaction is used for the X- band MBK with six electron beams and five cavities. The results show that the output peak power is about 100 kW within 30MHz bandwidth, with the interaction efficiency more than 30 %, and the gain above 36dB.

关 键 词：多注速调管 高次模同轴腔 杆控电子枪 空心电子注 

分 类 号：TN122[电子电信—物理电子学]