Investigation of Double-Gap Cavity Generating-Amplifying Klystrons

摘要

Based upon the discrete model of large particle flux investigated is the possibility of operation of a double-gap cavity resonator in the mode where the oscillation generating function is aligned with the function of velocity-modulating electrons in the phase ensuring further sufficient electron bunching. It is established that the required distribution of velocities is gained on the edge of the generation area with longest distance between gaps where both phase and amplitude conditions of self-excitement are met. Shown is the possibility of obtaining the highest efficiency at the expense of using a double-gap cavity resonator with wide gaps. Performed is the investigation of generating–amplifying klystrons of different configurations. Found are conditions of obtaining a maximum value of amplitude of the convection current first harmonic and a maximum value of the efficiency factor.