ITM Web Conf.
Volume 30, 201929th International Crimean Conference “Microwave & Telecommunication Technology” (CriMiCo’2019)
|Number of page(s)||4|
|Section||Vacuum and Microvacuum Microwave Devices (2)|
|Published online||27 November 2019|
On the prospects of high power wideband multibeam klystrons with depressed collector
JSC “RPC “Istok” named after Shokin”, 141190 Fryazino, Russian Federation
* Corresponding author: firstname.lastname@example.org
A new approach for bandwidth increasing of output resonator system in multibeam klystron is proposed. Significant lowering of loaded Q-factor is accompanied by decreasing of electron efficiency and output power which is compensated by depressing of collector voltage and enlarging total electron current by means of gaining the number of beams (bundles). We use dissected collector magnetic polepiece to restrict its heating by secondary electrons and to make possible rising of the depression level. Problems of temperature regime of collector polepiece are considered. Calculation demonstrates acceptable level of temperatures on polepiece.
© The Authors, published by EDP Sciences, 2019
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