Difference between revisions of "IAC-QDC Measurements"

From New IAC Wiki
Jump to navigation Jump to search
Line 24: Line 24:
 
|6220 || 17:34:47 || 13:19:33 || shutter close [[File:6220_adc_sh_close.png | 100 px]]
 
|6220 || 17:34:47 || 13:19:33 || shutter close [[File:6220_adc_sh_close.png | 100 px]]
 
|-
 
|-
|6221 || 17:57:08 || 18:03:52 || shutter close V_GEM= V_cat but still there are two peaks. [[File:6220_adc_sh_close.png | 100 px]]
+
|6221 || 17:57:08 || 18:03:52 || shutter close V_GEM= V_cat but still there are two peaks. [[File:6221_adc_sh_close.png | 100 px]]
 +
|-
 +
|6222 || 18:20:48 || 18:21:04 || shutter open V_GEM= V_cat but still there are two peaks.high noise rate 14 kHz [[File:6222_adc_sh_open.png | 100 px]]  
  
  

Revision as of 00:29, 4 October 2013

09/18/13

Detector voltage is 2.8, 3.4 kV for cathode and GEM. filter Amp. (x4 level 6) is used for amplify the GEM's output, ch#5 is used as an ADC input and ch# 31 in TDC


Run Number Start time End time Notes
6075 12:39:16 13:19:33 shutter open 6075 tdc gem signal.png 6075 qdc gem signal.png
6077 13:34 :37 14:19:05 shutter close, pmt is connected to ch#11 qdc and ch#27 tdc 6077 qdc gem signal.png 6077 tdc gem signal.png 6077 tdc pmt signal.png


10/03/13

Detector voltage is 2.8, 3.4 kV for cathode and GEM. filter Amp. (x2 level 6) is used for amplify the GEM's output, ch#5 is used as an ADC input.

Run Number Start time End time Notes
6220 17:34:47 13:19:33 shutter close 6220 adc sh close.png
6221 17:57:08 18:03:52 shutter close V_GEM= V_cat but still there are two peaks. 6221 adc sh close.png
6222 18:20:48 18:21:04 shutter open V_GEM= V_cat but still there are two peaks.high noise rate 14 kHz 6222 adc sh open.png