Difference between revisions of "TDC calibration"

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TDC calibration plot:
 
TDC calibration plot:
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regression line fit '''y = 1.724728814 x - 7.940677966'''
  
 
[[File:calibration_plot.png | 500 px]]
 
[[File:calibration_plot.png | 500 px]]

Revision as of 14:50, 19 March 2015

run# 8742: delay dt=59 ns between the fall side of the common start pulse and the rise side of the fake stop signal.

Dt 100ns 8742 pic.jpg


The data look like:

R8742 tdc.jpg


run# 8736: delay dt=100 ns between the fall side of the common start pulse and the rise side of the fake stop signal.

Dt 100ns 8736 pic.jpg


The data look like:

R8736 tdc.jpg


run# 8737: delay dt=200 ns between the fall side of the common start pulse and the rise side of the fake stop signal.


Dt 200ns 8737 pic.jpg


The data look like:

R8737 tdc.jpg

The mean of the peak is at 165.5 channel

run# 8738: delay dt=300 ns between the fall side of the common start pulse and the rise side of the fake stop signal.

R8738 tdc.jpg


The data look like:

Dt 300ns 8738 pic.jpg

The mean of the peak is at 335.7 channel


run# 8739: delay dt=400 ns between the fall side of the common start pulse and the rise side of the fake stop signal.

The data look like:

Dt 400ns 8739 pic.jpg

The mean of the peak is at 511.5 channel

run# 8740: delay dt=800 ns between the fall side of the common start pulse and the rise side of the fake stop signal.

The data look like:

Dt 800ns 8740 pic.jpg

The mean of the "main" peak is at 1197 channel

run# 8741: delay dt=1000 ns between the fall side of the common start pulse and the rise side of the fake stop signal.

The data look like:

Dt 1000ns 8741 pic.jpg

The mean of the "main" peak is at 1548 channel

Delay, ns Average TDC ch #
100 165.5
200 335.7
300 511.5
700 1197
900 1548

TDC calibration plot:

regression line fit y = 1.724728814 x - 7.940677966

Calibration plot.png