We consider the influence of an external quasi-monochromatic signal on a multimode gyrotron in the case where the signal frequency is close to the frequency of the operating mode of the gyrotron. The influence of the mode competition on the generation regime at a harmonic frequency modulation is studied. The calculations were performed for a high-power 170 GHz gyrotron developed at the Institute of Applied Physics of the Russian Academy of Sciences (IAP RAS). Depending on the parameters of the gyrotron and the external signal, various generation regimes were determined, including locking of the operating-mode frequency when the radiation frequency is close to the frequency of the external signal, beats of the frequency and amplitude of the operating mode, and excitation of spurious modes.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 62, No. 7–8, pp. 549–565, July–August 2019.
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Bakunin, V.L., Denisov, G.G. & Novozhilova, Y.V. Locking of the Frequency of a Multimode Gyrotron by a Quasi-Monochromatic External Signal. Radiophys Quantum El 62, 490–505 (2019). https://doi.org/10.1007/s11141-020-09995-x
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DOI: https://doi.org/10.1007/s11141-020-09995-x