扇調(diào)管一種新型高效率微波管
SECMOTRON--A NEW KIND OF HIGH EFFICIENT MICROWAVE TUBE
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摘要: 扇調(diào)管(扇形電子束偏轉(zhuǎn)調(diào)制管)是在偏調(diào)管(gyrocon)基礎(chǔ)上發(fā)展起來(lái)的一種高效率微波管。木文分析了偏調(diào)管的基本原理及其限制,指出改善偏調(diào)管的性能必須提高其線路效率。本文論述了提高導(dǎo)流系數(shù)是其關(guān)鍵之一,從而引出了扇形束的設(shè)想以減弱空間電荷效應(yīng),并提出了使普通圓柱形電子束變成扁平的扇形束的基本概念和結(jié)構(gòu)。最后給出了對(duì)具體結(jié)構(gòu)進(jìn)行數(shù)值計(jì)算的結(jié)果,表明以上設(shè)想是可行的。Abstract: Secmotron (Sector beam deflection modulation tube) is a new kind of high efficient microwave tube which is developed on the basis of gyrocon. The principle of gyrocon has been analyzed and it manifests that to increase circuit efficiency is necessary for improving properties of a gyrocon. One of the key points is to increase its perveance. An idea about sector beam is proposed to reduce the effect of space charge. Also the concept and construction of transforming a column beam into a thin sector beam are presented. The numercal calculation of some specific structures demonstrates that above idea is realizable.
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J. W. Mcrae, Harmonic Generaeian System, US Patent, 2408437, Oct, 1946.[2]I. Kaufman, G. Oltman, IEEE Trans. on ED, ED-12(1965), 31-39.[3]G. I. Budker, et al., Particle Accelerators, 10(1979), 41-59.[4]P. J. Tallerico, et al., IEEE Trans. on ED, ED-26(1979)10, 1559-1566.[5]P. J. Tallerico, IEEE Trans. on NS, NS-30(1983)4, Pt. 2, p. 3420.[6]Zheng Weiping, Li Shengpei, Proceedings of Second Asia-Pasific Microwave Conference, Beijing, 1988, PP. 370-371. -
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