Time Controller Series User Manual
Section 6: Operating the Time Controller Software
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6.3
Data Acquisition
To perform an acquisition of histogram and/or raw timestamp data:
1.
Select the pair of channels to be measured,
in the ‘Start
-S
top histogram’ view (see
Section 6.3.1)
2.
Use the Histogram settings view to configure the Histogram time bins (see Section 6.3.2)
3.
Use the ‘Saving’ options to define
if and how the data is saved (see Section 6.3.3 and 6.3.4)
4.
Use the Acquisition view to prepare and initiate a measurement (see Section 6.3.5).
6.3.1
Channel selection
Both histogram and raw timestamp measurements record the start-stop times between pairs of
channels.
Up to four histograms and four sets of timestamps can be recorded simultaneously. At the top of the
‘Start
-
Stop histogram’ view in the ‘Time
-to-
digital converter’ workspace, s
elect up to four histograms
to be measured, and the corresponding pairs of input channels.
If recording raw timestamps, data corresponding to the pairs of input channels specified in the
‘Start
-
Stop histogram’ view will be
recorded.
6.3.2
Configuring Histogram Time Bins
Use the Histogram settings view to configure the Histogram time bins:
Figure 19: Histogram time bin configuration view
•
Min:
The minimum time bin is fixed at 0 ps in the Time Controller GUI.
•
Max:
Select the value of maximum time bin in the time interval being measured.
o
On changing, the ‘Bin count’ field will be automatically changed based on the value
in the ‘Bin width’ field.
•
Bin count:
Specify the number of time bins being measured (to a maximum of 16,483).
o
On changing, the ‘Max’ field will be automatically
changed based on the value in the
‘Bin width’ field.
•
Bin width:
Select the width of each histogram time bin in the time interval being measured.