High-power operation of a [ital K]-band second-harmonic gyroklystron

Journal Article · Mon Jul 19 00:00:00 EDT 1993 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.71.456· OSTI ID:7368854

Lawson, W; Matthews, H W; Lee, M K.E.; Calame, J P; Hogan, B; Cheng, J; Latham, P E; Granatstein, V L; Reiser, M ^[1]

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1. Laboratory for Plasma Research and Electrical Engineering Department, University of Maryland, College Park, Maryland 20742 (United States)

Amplification studies of a two-cavity second-harmonic gyroklystron are reported. A magnetron injection gun produces a 440 kV, 200--245 A, 1 [mu]s beam with an average perpendicular-to-parallel velocity ratio slightly less than 1. The TE[sub 011] input cavity is driven near 9.88 GHz and the TE[sub 021] output cavity resonates near 19.76 GHz. Peak powers exceeding 21 MW are achieved with an efficiency near 21% and a large signal gain above 25 dB. This performance represents the current state of the art for gyroklystrons in terms of the peak power normalized to the output wavelength squared.

• OSTI ID: 7368854
• Journal Information: Physical Review Letters; (United States), Vol. 71:3; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

47 OTHER INSTRUMENTATION
42 ENGINEERING
KLYSTRONS
AMPLIFICATION
MICROWAVE AMPLIFIERS
CAVITY RESONATORS
EXPERIMENTAL DATA
HARMONICS
POWER
AMPLIFIERS
DATA
ELECTRON TUBES
ELECTRONIC EQUIPMENT
EQUIPMENT
INFORMATION
MICROWAVE EQUIPMENT
MICROWAVE TUBES
NUMERICAL DATA
OSCILLATIONS
RESONATORS
440800* - Miscellaneous Instrumentation- (1990-)
426000 - Engineering- Components
Electron Devices & Circuits- (1990-)