Author: Eddy, N.
Paper Title Page
TUPC14 Development of a Low-Beta Button BPM for PXIE Project 392
  • A. Lunin, N. Eddy, T.N. Khabiboulline, V.A. Lebedev, V.P. Yakovlev
    Fermilab, Batavia, USA
  The button BPM is under development for a low beta section of the Project X Injector Experiment (PXIE) at Fermilab. The presented paper includes an analytical estimation of the BPM performance as well a direct wakefield simulation with CST Particle Studio (on a hexahedral mesh). In addition we present a novel approach of a low beta beam interaction with BPM electrodes realized with ANSYS HFSS TD-solver on unstructured tetrahedral mesh. Both methods show a good agreement of BPM output signals for various beam parameters. Finally we describe the signal processing scheme and the electronics we are going to use.  
poster icon Poster TUPC14 [1.051 MB]  
TUPC15 BPM Electronics Upgrade for the Fermilab H Linac Based Upon Custom Downconverter Electronics 396
  • E.S.M. McCrory, N. Eddy, F.G.G. Garcia, S.U. Hansen, T. Kiper, M.Z. Sliczniak
    Fermilab, Batavia, USA
  As part of the Fermilab Proton Improvement Plan, the readout electronics for the Fermilab H Linac has been upgraded. The new custom electronics provide a low cost solution to process the 2nd harmonic of the RF at 402.5MHz. A single 4 channel NIM-bin module is used to readout each 4 plate stripline BPM pickup with each module being locked to an external 805MHz machine reference from the low level RF. For each BPM a number of measurements are provided including average horizontal and vertical position, average intensity, and average relative phase for variable pulse lengths from a few μs up to 50~usec. The system is being exploited in a number of ways with new operations applications.  
poster icon Poster TUPC15 [1.731 MB]