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静电聚焦速调管的研制工作在我国始于六十年代初期,当时国外已提出了平直流理论。国内曾有人使用无源电解槽,用介质表面模拟电子注边界的方法设计速调管的静电聚焦系统,要求选择一组电极尺寸,使其既可满足高频设计的尺寸需要,又能使电子注边界满足平直流理论的电位分布。然而由于谐振腔的尺寸结构不可能按平直流理论给出的那样设计,故上述要求是达不到的。电子注边界不可避免地要产生脉动,因而这样设计的静电聚焦系统使电子注的通过率不高,这种设计方法实际上没
Electrostatic focusing klystron research and development work in our country began in the early 1960s, when abroad has put forward a flat DC theory. In the past, some people used passive electrolyzer to design the electrostatic focusing system of the klystron with the method of simulating the electronic boundary of injection on the surface of the medium, and required to select a set of electrode size to meet the size requirement of the high-frequency design and enable the electronic Note boundary to meet the flat DC theory of potential distribution. However, since the size and structure of the resonator can not be designed as given by the flat-flow theory, the above requirements are not met. Electron injection boundary inevitably have to produce pulsation, so the design of the electrostatic focusing system so that electron injection rate is not high, this design method actually