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Nonn, P.

Paper Title Page
TUPEA038 A Digital Baseband Low Level RF Control for the P-linac Test Stand at GSI 1413
 
  • R. Eichhorn, A. Araz, U. Bonnes, F. Hug, M. Konrad, P. Nonn
    TU Darmstadt, Darmstadt
  • G. Schreiber, W. Vinzenz
    GSI, Darmstadt
  • R. Stassen
    FZJ, Jülich
 
 

During the redesign of the low level RF system for the S-DALINAC, a baseband approach was chosen. The RF signals from/ to the cavity are converted into the baseband via I/Q Modulators/ Demodulators. The advantage of this design was realized lateron, as adaption of other frequencies becomes rather easy. The system, originally designed for 3 GHz superconducting cavity in cw operation is currently modified to control a 324 MHz room temperature CH cavity in pulsed operation. We will report on the rf control system principle, the required modifications and first results.