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Erschienen in:
2018 | OriginalPaper | Buchkapitel
7. O-Type Microwave Devices
verfasst von : Andrey D. Grigoriev, Vyacheslav A. Ivanov, Sergey I. Molokovsky (deceased)
Erschienen in: Microwave Electronics
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Abstract
O-type microwave vacuum electron devices are
considered. This type of devices use dynamic control on electron beam. Basic concepts of operation, linear theory of bunching, elements of nonlinear theory are presented. Main representatives of the O-type devices are described, their construction, characteristics and parameters are introduced. The problem of increasing maximum working frequency of these devices is discussed and possible ways of this problem decision are listed. The constant magnetic field in these devices is used only for transporting the beam and does not participate in the interaction process. Klystrons, traveling wave tubes, backward wave oscillators and hybrid devices are among the representatives of this type of device.