In this work, we theoretically analyze the gyrotron synchronization by an external harmonic signal. The modified quasilinear model of an externally driven gyrotron, which employs the preliminarily calculated complex function of electron susceptibility, is developed. The main attention is paid to the case where the gyrotron is in the hard-excitation regime. The stability conditions of the synchronization regimes are analyzed and the synchronization regions on the amplitude–frequency parameter plane of the external signal are developed. The regime with maximum efficiency and frequency tuning in the limits of the synchronization band is shown to be attained with a simultaneous variation in the external-action amplitude and frequency.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 65, Nos. 5–6, pp. 406–419, May–June 2022. Russian DOI: https://doi.org/10.52452/00213462_2022_65_05_406
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Grigorieva, N.V., Ryskin, N.M. A Study of Gyrotron Synchronization in the Hard-Excitation Regime on the Basis of the Modified Quasilinear Model. Radiophys Quantum El 65, 371–383 (2022). https://doi.org/10.1007/s11141-023-10220-8
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DOI: https://doi.org/10.1007/s11141-023-10220-8