Temporary Compton DAQ trigger change

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User name M Friend

Log entry time 17:55:18 on October11,2010

Entry number 334421

Followups:

334530 10/12/10 16:36 M Friend Compton DAQ trigger back to normal

keyword=Temporary Compton DAQ trigger change

The Compton FADC DAQ trigger has temporarily been changed. The TFA output, which used to go directly to the trigger discriminator, is now going into a 1:1 splitter. One output of this splitter is going into the trigger discriminator and the other is going into channel 3 of the FADC. This is for a quick test.

This will temporarily change the trigger rates, since splitting the TFA signal will cause the pulses which go into the discriminator to be half as big. Therefore, trigger rates will decrese and not behave the way they have in the past until we back out of this change (tomorrow).