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In this paper,the design considerations of a high-efficiency high-gain broadband klystron aredescribed.Its buncher has been studied by using small signal gain and large signal efficiencyprograms.With small gain greater than 50dB,the buncher bandwidths of 10% and 10—15% can beobtained for 7 and 8 cavity klystrons respectively.The design methods and measured results ofoutput circuits of two types are introduced.The bandwidths of the filter type and the overlappingmode two gap cavity output circuits are about 7.5—10% and 10—12% respectively.Two types ofS-band broadband klystrons with the two respective output circuits described are constructed andtested,and the one with the former output circuit has 1dB equi-drive bandwidth of 7.5% with anefficiency of 38% and a gain of 43 dB,while the other with the later output circuit has 1dB equi-drive bandwidth of 10%.Their output power is greater than 2.5 MW. 相似文献
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S波段2.5MW宽频带大功率速调管的研制 总被引:3,自引:0,他引:3
本文讨论了大功率、高增益、宽频带大功率速调管的设计和制造,还采用小信号增益和大信号效率计算程序,对宽频带速调管的群聚段进行了设计。当小信号增益大于50dB时,7腔速调管的群聚频宽宽于10%,8腔速调管的群聚频宽可达1015% 给出了两类宽频带输出电路,即滤波器型输出电路和重叠模双间隙腔输出电路的设计方法和测试结果,结果表明:前一种输出电路的频宽可达7.510%,后一种输出电路的频宽可达1015%。 研制了两种类型速调管,采用滤波器型输出段的速调管的性能达到:1dB等激励频宽为7.5%,效率为38%,饱和增益大于43dB,输出功率大于2.5MW。采用双间隙腔输出段的速调管的1dB等激励频宽迟10%,工作稳定。 相似文献
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