Title :
Improving the linearity and output power of a Ku-band TWT by optimizing electron beam radius and helix structure
Author :
Li, Li ; Feng, Jinjun
Author_Institution :
Vacuum Electron. Nat. Lab., Beijing, China
Abstract :
The linearity of a Ku-band TWT is improved with AM/PM les 3.43deg/dB, IM3/C les -44.43 dBc, and it´s output power has increased to 55.84 dBm by optimizing electron beam radius and helix structure.
Keywords :
microwave tubes; travelling wave tubes; Ku-band TWT; electron beam radius optimisation; helix structure; Charge carrier processes; Electron beams; Laboratories; Linearity; Phase distortion; Power generation; Radio frequency; Satellite communication; Linearity; Output power; TWT;
Conference_Titel :
Vacuum Electronics Conference, 2009. IVEC '09. IEEE International
Conference_Location :
Rome
Print_ISBN :
978-1-4244-3500-5
Electronic_ISBN :
978-1-4244-3501-2
DOI :
10.1109/IVELEC.2009.5193476
