Title :
Theoretical study on low gain fluctuation of wide-band traveling wave tube
Author :
Qian Li ; Hairong Yin ; Yanyu Wei ; Zhigang Lu ; Xia Lei ; Chong Ding ; Tiantian Han ; Luqi Zhang ; Tuopu Huang ; Haihua Gong ; Xianping Wu
Author_Institution :
Nat. Key Lab. of Sci. & Technol. on Vacuum Electron., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
A new approach for low gain fluctuation based on small-signal gain analysis of wide-band traveling wave tubes (TWTs) is proposed in this paper. For the known simulated dispersion characteristics of slow wave structure (SWS), the relation between interaction impedance and frequency is obtained by setting zero to the first derivative of gain with respect to frequency. We can confirm whether a SWS reaches the low gain fluctuation by utilizing this method.
Keywords :
amplification; dispersion (wave); slow wave structures; SWS; TWT; interaction impedance; low gain fluctuation; simulated dispersion characteristics; slow wave structure; small-signal gain analysis; wide-band traveling wave tubes; Dispersion; Distance measurement; Electron tubes; Fluctuations; Gain; Impedance; Simulation; gain fluctuation; linear theory; traveling wave tube;
Conference_Titel :
Vacuum Electronics Conference (IVEC), 2015 IEEE International
Conference_Location :
Beijing
Print_ISBN :
978-1-4799-7109-1
DOI :
10.1109/IVEC.2015.7224014
