Characterization of a W-band TWT Electron Gun

Reginald Jaynes,Alan Cook,Colin Joye,John Rodgers,Edward Wright,Khanh Nguyen,John Atkinson,Takuji Kimura, Galen Aymar

2020 IEEE 21st International Conference on Vacuum Electronics (IVEC)（2020）

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摘要

We present experimental characterization of a 20 kV, 130 mA thermionic electron gun in a W-band TWT. The gun heater voltage, focus electrode voltage, and modulating anode voltage are swept to characterize the performance of the emitted cathode current and beam transport through the RF circuit. We observe variation of the cathode current from 107 to 155 mA and peak beam transmission of 95% at the c...

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关键词

Radio frequency,Heating systems,Conferences,Electron guns,Vacuum electronics,Integrated circuit modeling,Anodes

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