Design and development of high linearity millimeter wave traveling-wave tube for satellite communications
He Jun†, Huang Ming-Guang, Li Xian-Xia, Li Hai-Qiang, Zhao Lei, Zhao Jian-Dong, Li Yue, Zhao Shi-Lei
       
(a) Comparisons of experimental output power and phase shift versus input power between TWT1 and TWT2, and (b) comparisons of phase shift versus input power across the operating frequency band between TWT1 and TWT2.