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User name R. Michaels
Log entry time 10:58:23 on January17,2001
Entry number 54893
keyword=DAQ synch check
I checked 6.4 million events from the past 24 hours of running.
There were only 41 events with extra gates, and since we're running
in unbuffered mode they have zero impact. The extra gates occur
in ROC2 slots with TDC 1877. Also below is a plot showing how crates
synchronize, using a ramping ADC signal that is sent to each.
Slot Distribution of Extra Gates for ROC 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Slot Distribution of Extra Gates for ROC 2
0 0 0 37 36 37 37 37 39 38 40 40 40 40 41 41 41 41 41 41 41 0 0 0 0 0
FIGURE 1