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The development of broadband high power klystron has being done in the Institute of Electronics, Chinese Academy of Sciences (IECAS), and the breakthrough of the bandwidth of klystron has been obtained continuously. In S-band, after the achievement of 10% and 11% bandwidth, the relative instantaneous bandwidth of 12% has been brought to success in 2009. The paper introduces the design, simulation...
The research and development of vacuum electronics and microwave vacuum elecrron devices in China started from the 1950's. During the past 50 years, many types of microwave vacuum electron devices have been developed and applied to practical microwave electron systems. The state and art of typical microwave vacuum electron devices in China will present in this paper. Also research and development...
From 1960s the Institute of Electronics, Chinese Academy of Sciences (IECAS) began to study the broadband klystron. Many methods to extend bandwidth of klystron have been adopted and more than ten types of broadband klystron have been developed. Recently we have successfully broken through the bandwidth of 12% in S-band on the peak power level of 800 kW. This paper introduces the state-of-art of our...
Many types of Multi-Beam Klystrons (MBKs) with frequency range from L to Ku band, power level of several hundred watts to several hundred kilo-watts, have been developed in China during last 17 years. The research work on both special technology and tubes will be described in this paper. The technical problems of the MBKs are also discussed.
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