Design of a 140 GHz Sheet Beam Traveling-Wave Tube with a Cuttoff Sever

Oscillation suppression is one of the most critical issues in the design of sheet beam traveling wave tubes (SBTWTs). This paper adopts a cuttoff sever with a matching step and a Bragg reflector in the interaction circuit, to suppress the oscillation of the sheet beam staggered double-vane (SDV) SBT...

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Bibliographic Details
Published in2022 23rd International Vacuum Electronics Conference (IVEC) pp. 394 - 395
Main Authors Huang, Kaihang, Shu, Guoxiang, Ruan, Cunjun, Shang, Ying, Liang, Zhaolun, He, Wenlong
Format Conference Proceeding
LanguageEnglish
Published IEEE 25.04.2022
Subjects
Attenuation
Circuit stability
Dielectrics
Electric potential
High frequency system(HFS)
sheet beam travelling wave tubes(SB-TWTs)
Simulation
stability
Stability analysis
Traveling wave tubes
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Summary:Oscillation suppression is one of the most critical issues in the design of sheet beam traveling wave tubes (SBTWTs). This paper adopts a cuttoff sever with a matching step and a Bragg reflector in the interaction circuit, to suppress the oscillation of the sheet beam staggered double-vane (SDV) SBTWT. At the same time, this scheme avoids potential risks caused by the traditional dielectric attenuation. Simulation results show the feasibility of this scheme in the design of a SBTWT.
DOI:10.1109/IVEC53421.2022.10292282