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    User name A. Camsonne

    Log entry time 17:27:54 on January 13, 2011

    Entry number 345893

    keyword=DVCS deadtime test runs

    Test dead time New firmware
    S2m rate 40 Hz - variable dead time length correlated with trigger ( stop )
    9931 10ns
    9932  300 us
    9933  800 us
    9934 2 ms
    9935 8 ms
    9936 10 ms
    9937 50 ms
    9938 20 ms
    
    S2m rate to 200 Hz
    9940 1 ns
    9941 10 ns
    
    S2m 420 Hz
    9942 200us
    9943 800 us
    9944 1.2 ms
    9945 10 ms
    9946 20 ms
    
    
    9947  No buffering
    9948 Junk
    
    S2m trigger 420 Hz - dead time self triggerd fixed frequency and fixed
    width 20 ms
    
    9949 250 Hz 20ms
    9950 25 Hz 20 ms
    
    S2m trigger 40 Hz - dead time self triggerd fixed frequency and fixed
    width 20 ms
    9951 25Hz 20 ms
    
    Old firmware runs
    
          S2m rate - Pulser rate - 20 ms width
    
    9952 400 Hz 250 Hz 
    9953 400 Hz 25 Hz
    9954 400  Hz 25 Hz Led input unplugged 
    9955 400 Hz 25 Hz
    9956 140 Hz 25 Hz
    9957 140 Hz 12.5 Hz
    9958 140 5 Hz
    9959 50 Hz 25 Hz
    9960 50 Hz 12.5 Hz
    
    Dead time triggered by stop
    
    9961 50 Hz  20 ms
    9962 50 Hz 1 ms
    9963 450Hz 1ms
    9964 450Hz 100 us
    9965 450Hz 10 us
    9966 450 Hz 1 us
    9667 450 Hz very low rate of DT (0.0001 Hz ) so basically no dead time
    9668 45 Hz no deadtime
    9669 45 Hz 1 us deadtime
    9970 45 Hz 10 us
    9671 45 Hz 100us
    9672 45 Hz 1 ms
    9673 45 Hz 10 ms
    9674 45 Hz 20 ms
    9674
    


    A copy of this log entry has been emailed to: munoz@jlab.org,jroche@jlab.org,magne@jlab.org,hyde@jlab.org,camsonne@jlab.org