Title :
P2-23: High electron efficiency design for K and Ka band TWT
Author :
Qu, Bo ; Liu, Minghui ; Feng, Jinjun ; Cai, Shaolun ; Li, Li ; Liang, Xiaofeng
Author_Institution :
Vacuum Electron. Nat. Lab., Beijing Vacuum Electron. Res. Inst., Beijing, China
Abstract :
A dynamic velocity taper (DVT) characterized by exponential taper pitch have been designed for high efficiency millimetre wave TWT. Design result in K and Ka band shows a great improvement of electron efficiency. The experimental results can reach 23% in Ka band and 25% in K band TWT.
Keywords :
microwave tubes; millimetre wave tubes; travelling wave tubes; DVT; K band TWT; Ka band TWT; dynamic velocity taper; exponential taper pitch; high electron efficiency design; millimetre wave TWT; Design optimization; Electron beams; Laboratories; Manufacturing; Power generation; Power measurement; Radio frequency; Signal design; Testing; K band; Ka band; TWT; electron efficiency;
Conference_Titel :
Vacuum Electronics Conference (IVEC), 2010 IEEE International
Conference_Location :
Monterey, CA
Print_ISBN :
978-1-4244-7098-3
DOI :
10.1109/IVELEC.2010.5503499
