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

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Description

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. A block diagram of this system is shown, as is a subset of the complete system on which the measurements reported in this paper were performed. The feedback controls on the ... continued below

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Pages: 4

Creation Information

Young, L.M. & Biddle, R.S. January 1, 1985.

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Description

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. A block diagram of this system is shown, as is a subset of the complete system on which the measurements reported in this paper were performed. 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. 4 refs., 8 figs.

Physical Description

Pages: 4

Notes

NTIS, PC A02/MF A01.

Source

  • Particle accelerator conference, Vancouver, Canada, 13 May 1985

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  • Other: DE85012658
  • Report No.: LA-UR-85-1619
  • Report No.: CONF-850504-61
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5736170
  • Archival Resource Key: ark:/67531/metadc1093123

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1985

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • May 31, 2018, 12:50 p.m.

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Young, L.M. & Biddle, R.S. High-power rf controls for the NBS-Los Alamos racetrack microtron, article, January 1, 1985; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1093123/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.