Development of an equivalent circuit of a ring resonator with a working mode of oscillation E020, for use in one-dimensional programs for calculating a multibeam klystron with non-identical electron beams

Annotation. The article presents an equivalent circuit of a ring resonator operating on the E020 vibration mode. A comparison of the results of modeling resonators using three-dimensional programs of electrodynamic modeling (CST Studio Suite) and using an equivalent circuit is carried out. The equivalent circuit is based on the idea of a ring resonator as a waveguide rolled into a ring. The electromagnetic field in a waveguide is described using an equivalent long line. The equivalent circuit is intended for use in programs for calculating the parameters of a klystron with non-identical conditions for the interaction of electron beams.