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Telecommunications and Radio Engineering
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ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v68.i13.100
pages 1199-1211

Preferable Conditions for Excitation of Operating Mode in Non π-Mode Magnetron

A. A. Gurko
OJSC "Vladykinskiy Mechanical Plant" 58, Dmitrovskoe highway, Moscow, 127238, Russia
V. D. Yeryomka
Belarus State University of Computer Science and radio Electronics, 6, P.Brovka St., Minsk, 220027, Belarus; O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine

ABSTRACT

The reasons for restricting the domains of existence of the doublet oscillation modes as a function of the magnetic field in periodic vane-type cavity oscillating systems of millimeter-wave magnetrons are analyzed. Analytical expressions were derived to describe the relationship between the upper domains of the operating mode existence with the oscillatory system parameters and the HF-field structure in the oscillators’ interaction space. A criterion for evaluating the stable operating mode excitation is proposed. This criterion corresponds to the magnitude of the relation between the harmonics amplitudes of competing and operating modes on a operating mode synchronization radius.


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