Abstract
The interaction of the HF fields in the distributed resonance system of a high-power millimeter-wave klystron with an electron beam is theoretically and experimentally studied under limitations imposed on the length of interaction space and moderate values of the beam perveance. A possibility of amplifying and generating extended interaction klystrons (EIKs) is demonstrated. The EIKs with the distributed extraction of energy exhibit relatively high efficiencies, output powers, and gains at an acceptable gain band. In the experimental prototypes of the four-cavity packaged EIK working in the mid-millimeter-wavelength range, the output pulse power is no less than 2.5–3 kW, the efficiency is 30%, the gain is 25–30 dB, and the gain band at a level of 3 dB is 0.25–0.35% at an anode voltage of 18 kV and a beam current of 0.5 A.
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Additional information
Original Russian Text © A.I. Toreev, V.K. Fedorov, E.V. Patrusheva, 2009, published in Radiotekhnika i Elektronika, 2009, Vol. 54, No. 8, pp. 1001–1008.
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Toreev, A.I., Fedorov, V.K. & Patrusheva, E.V. Millimeter-wave extended interaction klystron. J. Commun. Technol. Electron. 54, 952–958 (2009). https://doi.org/10.1134/S1064226909080117
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DOI: https://doi.org/10.1134/S1064226909080117