NDLI: Phase locking of two long-pulse, high-power magnetrons

Content Provider	IEEE Xplore Digital Library
Author	Treado, T.A. Brown, P.D. Hansen, T.A. Aiguier, D.J.
Copyright Year	1973
Abstract	We have phase locked a pair of long-pulse, high-power, secondary-emission magnetrons to an RF-isolated low-power driver via a waveguide directional coupler. With the 3 dB hybrid coupler, the peak and average power sent back towards the driver were lower than the total power by factors of 20 and 100, respectively. A dual-channel, thyratron-switched line-type modulator was used to power the magnetrons in parallel. In this experiment the total microwave power from the pair of phase-locked high-power magnetrons was limited to 48 MW for 700 ns pulses and 46 MW for 900 ns pulses because one of the high-power magnetrons would only operate at or below half power. Experimental results from this repetitively-pulsed (10 Hz) phase-locked magnetron pair are presented which show excellent phase stability of several degrees both during the pulse and from pulse-to-pulse.<>
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	616
Ending Page	625
Page Count	10
File Size	1057832
File Format	PDF
ISSN	00933813
Volume Number	22
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetrons Phased arrays Microwave antenna arrays Pulse amplifiers Frequency Microwave oscillators Microwave devices Space vector pulse width modulation Directional couplers Magnetic modulators
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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