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tuning_the_s800_xdt [2017/05/26 16:08] pereira [Timing setup] |
tuning_the_s800_xdt [2017/05/26 16:14] pereira [Timing setup] |
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* If necessary, adjust delays of Phillips TDC (in principle, the TACs delays don't need to be adjusted): | * If necessary, adjust delays of Phillips TDC (in principle, the TACs delays don't need to be adjusted): | ||
- | * Using the [[S800 DAQ tools# | + | * Using the [[S800 DAQ tools# |
* Connect the XFP and/or OBJ signals going to the Phillips TDC (via cables plugged to patch #66 and #67, respectively) to the scope | * Connect the XFP and/or OBJ signals going to the Phillips TDC (via cables plugged to patch #66 and #67, respectively) to the scope | ||
- | * Adjust the TDC delays of OBJ and/or XFP with respect to the TDC start, using the delay boxes connected to the CANBERRA CFD 454 in data U6 | + | * Adjust the TDC delays of OBJ and/or XFP with respect to the TDC start using the delay boxes connected to the CANBERRA CFD 454 in data U6 (~200 ns delay is good) |
- | * Be aware that the after adjusting OBJ and XFP delays in the scope, the signal will be further delayed by ~200 ns due to the length of the cable between dataU6 patch panel and the Phillips TDC in the S3 vault. | + | |
* Check the corresponding ToF spectra in SpecTcl to confirm that the timings are properly adjusted. | * Check the corresponding ToF spectra in SpecTcl to confirm that the timings are properly adjusted. | ||