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TY - CONF AU - Kazakevich, G.M. AU - Johnson, R.P. AU - Lebedev, V.A. AU - Yakovlev, V.P. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - Phase Grouping of Larmor Electrons by a Synchronous Wave in Controlled Magnetrons J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - A simplified analytical model based on the charge drift approximation has been developed. It considers the resonant interaction of the synchronous wave with the flow of Larmor electrons in a magnetron. The model predicts stable coherent generation of the tube above and below the threshold of self-excitation. This occurs if the magnetron is driven by a sufficient resonant injected signal (up to -10 dB). The model substantiates precise stability, high efficiency and low noise at the range of the magnetron power control over 10 dB by variation of the magnetron current. The model and the verifying experiments with 2.45 GHz, 1 kW magnetrons are discussed. PB - JACoW Publishing CP - Geneva, Switzerland SP - 3723 EP - 3725 KW - controls KW - electron KW - cavity KW - operation KW - cathode DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-THPAL038 UR - http://jacow.org/ipac2018/papers/thpal038.pdf ER -