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    User name Carlos

    Log entry time 15:00:18 on October 28, 2010

    Entry number 337168

    This entry is a followup to: 336965

    keyword=Pedestal fluctuations

    Following a question from Ben, I looked at ARS pedestals from the
    previous experiment (2004). Boards are different now, but daughter boards
    (mezzanines) are the same.
    
    It seems that we already had high frequency fluctuations, perhaps
    slightly smaller in amplitude (I plotted the figure at the same scale as
    the previous entry).
    
    I do not know if this pedestal corresponds to the same channel (I would
    need to do some research to find out the cabling matching on the previous
    experiment).
    
    
    


    A copy of this log entry has been emailed to: braydo@jlab.org, magne@jlab.org, camsonne@jlab.org, abbottd@jlab.org



    Fig 1: Typical pedestal from old boards (2004 experiment)