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timing [2016/07/24 17:51] pereira |
timing [2016/08/01 13:01] pereira [Timing] |
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Although it is possible to measure the ToF between any pair of timing sources, there are three " | Although it is possible to measure the ToF between any pair of timing sources, there are three " | ||
- | Although the timing reference (" | + | Although the timing reference (" |
Some important things to know about each of these modules: | Some important things to know about each of these modules: | ||
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* The width and delay of the matching window can be changed in file **vmusbdaqconfig.tcl** in directory **/ | * The width and delay of the matching window can be changed in file **vmusbdaqconfig.tcl** in directory **/ | ||
* SpecTcl calculates the OBJ-FP and XFP-FP ToFs by substracting the E1 up time (MTDC channel 15) to the OBJ time (MTDC channel 3) and the XFP time (MTDC channel 2) | * SpecTcl calculates the OBJ-FP and XFP-FP ToFs by substracting the E1 up time (MTDC channel 15) to the OBJ time (MTDC channel 3) and the XFP time (MTDC channel 2) | ||
+ | * Note that the same flat ribbon cable connected to the MTDC is also feeding the scaler module. Thus, the 16 channels in the MTDC are exactly the same as channels 16-31 of the scaler module | ||
+ | * Copies of the timing signals from XF and OBJ used for the TAC ToF were included in channels 8 and 9 of the MTDC (also the scaler) | ||
* The table below lists the MTDC channels: | * The table below lists the MTDC channels: | ||