Theoretical and experimental study of X-band low-voltage vompact multibeam generator

Analytic theory, numerical simulations, and experiments describing the compact multi-beams microwave split-cavity oscillator (MBSO), which operates with electron efficiency 45% at a frequency 18 Ghz with 0.8 A electron beam and a beam energy of 2.6 keV for a total output power approximately of 0.6 kW.