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High-power RF controls for the NBS-Los Alamos racetrack microtron

Conference · · IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:6399867
The high-power rf system for the National Bureau of Standards (NBS)-Los Alamos racetrack microtron (RTM) uses waveguide power splitters and waveguide phase shifters to distribute rf power from a single 500-kw cw klystron to four side-coupled accelerating structures. The amplitude and phase of each structure is controlled by a feedback system that uses the waveguide variable power splitters, waveguide phase shifters, and klystron drive as the active control elements. The feedback controls on the capture section use low-level rf amplitude and phase controls on the rf drive to the klystron. These controls are very fast with an open loop gain bandwidth of approximately 40 kHz. The feedback loop is identical to the feedback loop used in the chopper/buncher system described in another paper at this conference.
Research Organization:
Los Alamos National Laboratory, Los Alamos, NM
OSTI ID:
6399867
Report Number(s):
CONF-850504-
Conference Information:
Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: NS-32:5
Country of Publication:
United States
Language:
English