How to change DRS parameters
cd working/drs4command.list
No need to compile it, if you change the file in the working directory.
! Pay attention, if somebody does a makeinstall it overwrite your file!
To avoid it you could change the file from
cd dreamDaq/drs4command.list
and now you need to do makeintall and you will overwite the file that is in working.
Parameters to be changed
WRITE_REGISTER 80D8 2 # frequency 1 GS/sec
WRITE_REGISTER 80D8 1 # 2.5 GS/sec
WRITE_REGISTER 80D8 0 # 5 GS/sec
- enable readout 1 group or 4 groups
WRITE_REGISTER 8120 f # Read all 4 groups
WRITE_REGISTER 8120 1 # Read only first group
The MCP has positive signal, you need to put low offset. The contrary is for the PMTs
## offset configuration for PMTs (negative signals)
##WRITE_REGISTER 1098 F6800 # DAC GROUP0 OFFSET all ch (baseline @ 3440)
WRITE_REGISTER 1198 F6800 # DAC GROUP1 OFFSET all ch
WRITE_REGISTER 1298 F6800 # DAC GROUP2 OFFSET all ch
WRITE_REGISTER 1398 F6800 # DAC GROUP3 OFFSET all ch
#Offset configuration for bipolar signals
##WRITE_REGISTER 1098 F8F00 # DAC GROUP0 OFFSET all ch set to 0mV (baseline @ 2024)
#Offset configuration for MCP (positive signals)
WRITE_REGISTER 1098 FBF00 # DAC GROUP0 OFFSET all ch (baseline@450)
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SilviaFranchino - 2015-10-28