This article is cited in 4 papers

Studying a multibeam microwave drift-tube K-band oscillator with an electrodynamic system of two slot-coupled resonators

V. A. Tsarev^a, V. Yu. Muchkaev^a, P. D. Shalaev<sup>b

a</sup> Yuri Gagarin State Technical University of Saratov
^b State Scientific-Production Enterprise ``Almaz'', Saratov

Abstract: The possibility is shown of creating a new low-voltage multibeam oscillator of monotron type operating in the K band of wavelengths. The operating principle of this device is based on autogeneration of electromagnetic oscillations during the interaction of a multibeam electron stream with a high-frequency electric field of $\pi$ type in a two-gap slot resonator having high-frequency voltages across gaps with different amplitudes. The results of theoretical and experimental studies of a 19-beam prototype of the device are presented. For the first time, a microwave-emission power of more than 600 W was obtained experimentally with an electronic efficiency of 45% and a total efficiency of 30% at an accelerating voltage of 2.6 kV and a frequency of 18.14 GHz.

Received: 08.11.2013

 English version: Technical Physics Letters, 2014, 40:4, 288–292

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