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]

---

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

Related Subjects

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