Novel transit-time oscillator (TTO) combining advantages of radial-line and axial TTO
Xu Wei-Li, He Jun-Tao, Ling Jun-Pu, Song Li-Li, Deng Bing-Fang, Dai Ouzhixiong, Ge Xing-Jun
       

Plots of electron conductance G e / G 0 versus phase constant for different modes