Design and implementation of an analog feedback damper system for an electron-proton instability at the Los Alamos Proton Storage Ring

C. Deibele, S. Assadi, V. V. Danilov, S. Henderson, M. Plum, C. Sibley, D. Gilpatrick, R. J. Macek, R. C. McCrady, J. F. Power, T. Zaugg, J. Byrd, S. Breitzmann, S. Y. Lee

    Research output: Contribution to conferencePaperpeer-review

    2 Scopus citations

    Abstract

    The PSR (Proton Storage Ring) at LANSCE has observed an E-P (electron-proton) instability. A wideband analog feedback damper system was designed and implemented that has shown it is possible to correct this instability. The damper system consists of two 180 degree hybrids, low level amplifiers, a delay line, comb filter, power amplifiers, and adjustable delay lines. The system bandwidth is about between 10-300 MHz, and was developed and implemented in stages showing improvement in the e-p threshold of the buncher voltage. The system takes advantage of fiber optic technology for delays as well as for the comb filter. A system description and some measurement results are presented.

    Original languageEnglish
    Pages3104-3106
    Number of pages3
    StatePublished - 2006
    Event10th European Particle Accelerator Conference, EPAC 2006 - Edinburgh, United Kingdom
    Duration: Jun 26 2006Jun 30 2006

    Conference

    Conference10th European Particle Accelerator Conference, EPAC 2006
    Country/TerritoryUnited Kingdom
    CityEdinburgh
    Period06/26/0606/30/06

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