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  Testbeam at DESY in July 2025, Page 9 of 9  Not logged in ELOG logo
ID Date Author Subject Run Number DUT Biasing Beam Energy thr HV scan-val Data t-Start t-Stop Duration_mindown
  68   Tue Jul 1 19:20:18 2025 tb-crewsystem test W8 0E00Backside4.20.95-190 Unknown   
using Christophers calibration, no more noise
  71   Tue Jul 1 23:34:29 2025 tb-crewsystem test W8 0E00Backside4.20.95-190 Unknown   
Run 63 is 99,9% efficiency with ts_mode=TLU
bug in MPW4 config (conf_reg_ts_ctrl)
  74   Wed Jul 2 00:37:34 2025 tb-crewsystem test W3 0E00Backside4.20.95-190 Unknown   
going to bed
  75   Wed Jul 2 09:09:35 2025 tb-crewsystem test W3 0E00Backside4.20.95-190 Unknown   
Good morning
today we're testing irradiated stuff
  98   Wed Jul 2 13:01:14 2025 tb-crewdry bias scan W3-2 5E14Backside4.20.99-275 Unknown   
still waiting for beam
  107   Wed Jul 2 15:23:01 2025 tb-crew bias scan W3-2 5E14Backside4.20.99-150 Unknown   
ROI was off half a chip
  111   Wed Jul 2 15:36:39 2025 tb-crew bias scan W3-2 5E14Backside4.20.99-0 Unknown   
rerun bias scan with proper ROI
  117   Wed Jul 2 16:32:56 2025 tb-crew bias scan W3-2 5E14Backside4.20.99-125 Good   
conf_reg_ts_ctrl was set to 0 so far...
ts_mode = TLU has to be used for proper effi in this bias scan

changed to 4 now
  123   Wed Jul 2 17:19:39 2025 tb-crew bias scan W3-2 5E14Backside4.2   Good   
continue at 225V
  129   Wed Jul 2 18:18:28 2025 tb-crew bias scan W3-2 5E14Backside4.20.99-325 Good   
going to Grilly Idol
  140   Wed Jul 2 22:48:44 2025 tb-crew bias scan W8-2 1E15Topside4.20.93-50 Good   
changed DUT
  143   Wed Jul 2 23:05:09 2025 tb-crew bias scan W8-2 1E15Topside4.20.94-0 Good   
increasing N2 flow due to high humidity in our setup (Hamburg is humid these days)
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