Efficient operation of a high-power X -band gyroklystron

Journal Article · Mon Jul 22 04:00:00 EDT 1991 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.67.520· OSTI ID:5483006

Lawson, W; Calame, J P; Hogan, B; Latham, P E; Read, M E; Granatstein, V L; Reiser, M; Striffler, C D ^[1]

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

Experimental studies of amplification in a two-cavity {ital X}-band gyroklystron are reported. The system utilizes a thermionic magnetron injection gun at voltages up to 440 kV and currents up to 190 A in 1-{mu}s pulses. Optimum performance is achieved by tapering the magnetic-field profile. Peak powers of 20 MW in the TE{sub 01} mode at 9.87 GHz are measured with calibrated crystals and with methanol calorimetry. Resultant efficiencies are in excess of 31% and large-signal gains surpass 26 dB. The experimental results are in good agreement with simulated results from a partially self-consistent, nonlinear, steady-state code.

• OSTI ID: 5483006
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 67:4; ISSN PRLTA; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
426000* -- Engineering-- Components
Electron Devices & Circuits-- (1990-)
AMPLIFICATION
AMPLIFIERS
EFFICIENCY
ELECTRON TUBES
ELECTRONIC EQUIPMENT
EQUIPMENT
FREQUENCY RANGE
GAIN
GHZ RANGE
GHZ RANGE 01-100
KLYSTRONS
MICROWAVE AMPLIFIERS
MICROWAVE EQUIPMENT
MICROWAVE TUBES
OPTIMIZATION
POWER