Experimental study of transparent TWT with the modulation of an electron beam near the cathode

A. V. Starodubov, Yu A. Kalinin

Результат исследования: Публикации в книгах, отчётах, сборниках, трудах конференцийстатья в сборнике материалов конференциинаучнаярецензирование

Аннотация

In this work we consider the experimental studies that were conducted using a transparent (without microwave absorber) travelling wave tube (TWT) with helical slow-wave structure. The difference between used in experiment TWT and the standard one is that the input signal is supplied to the modulating grid positioned near the cathode. The used in our experiments transparent TWT worked in crestatron regime. The experimental results show that the scheme with feeding the input microwave signal to the modulating grid, located near the cathode has a significant advantage, which is the high value of the gain, and efficiency of the TWT amplifier and the expansion of operating frequency band. It has been established that the maximum value of electronic efficiency for the version in which the input signal is fed to the modulating grid positioned near the cathode is 56% compared to 43% for option in which the input signal is fed to a retarding system Technical efficiency is 73 ÷ 75%. An increase of the bandwidth to the values Δf/f ∼ 1.5 ÷ 1.7 was determined.

Язык оригиналаанглийский
Название основной публикацииICOPS/BEAMS 2014 - 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams
ИздательInstitute of Electrical and Electronics Engineers Inc.
ISBN (электронное издание)9781479927111
DOI
СостояниеОпубликовано - 16 янв 2015
Опубликовано для внешнего пользованияДа
Событие41st IEEE International Conference on Plasma Science, ICOPS 2014 and the 20th IEEE International Conference on High-Power Particle Beams, BEAMS 2014 - Washington, Соединенные Штаты Америки
Продолжительность: 25 мая 201429 мая 2014

Серия публикаций

НазваниеICOPS/BEAMS 2014 - 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams

Конференция

Конференция41st IEEE International Conference on Plasma Science, ICOPS 2014 and the 20th IEEE International Conference on High-Power Particle Beams, BEAMS 2014
СтранаСоединенные Штаты Америки
ГородWashington
Период25.05.201429.05.2014

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    Starodubov, A. V., & Kalinin, Y. A. (2015). Experimental study of transparent TWT with the modulation of an electron beam near the cathode. В ICOPS/BEAMS 2014 - 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams [7012769] (ICOPS/BEAMS 2014 - 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/PLASMA.2014.7012769