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The tilted electric field soft-landing collector and its application to a traveling-wave tube

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3 Author(s)
Okoshi, Takanori ; University of Tokyo, Tokyo, Japan ; Eng-Beng Chiu ; Matsuki, S.

If a collector in a beam-type tube captures all the electrons at almost zero velocity, the tube efficiency will approach unity. Such a collector might be called a soft-landing collector. This paper describes the principle, design theory, preliminary experimentation, and application of a new type collector in which an almost complete soft landing can be realized. The experimental TWT equipped with this collector achieved an efficiency improvement from 19 to 46 percent.

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Electron Devices, IEEE Transactions on  (Volume:19 ,  Issue: 1 )