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  Testbeam at DESY in July 2025, Page 14 of 14  Not logged in ELOG logo
New entries since:Thu Jan 1 01:00:00 1970
ID Date Author Subject Run Number DUT Biasing Beam Energy thr HV scan-val Data t-Start t-Stopdown Duration_min Text Attachments
  178   Thu Jul 3 09:10:55 2025 tb-crew thr scan W8-2 1E15Topside4.20.99-400 Good   no proper beam atm   
  192   Thu Jul 3 14:46:26 2025 tb-crew thr scan W3-8 5E15Topside4.20.95-50 Good   changed DUT   
  194   Thu Jul 3 14:57:35 2025 tb-crewbias scan W3-8 5E15Topside4.20.95-25 Good   chip seems noisy, no good Correlations   
  196   Thu Jul 3 14:59:49 2025 tb-crewbias scan W3-8 5E15Topside4.20.95-25 Good   changed thr to reduce noise   
  198   Thu Jul 3 15:03:03 2025 tb-crewbias scan W3-8 5E15Topside4.20.96-25 Good   changed scan time to 5 min   
  203   Thu Jul 3 15:29:45 2025 tb-crewbias scan W3-8 5E15Topside4.20.96-200 Good   increased compliance to 200uA   
  205   Thu Jul 3 15:32:40 2025 tb-crewbias scan W3-8 5E15Topside4.20.96-400 Good   restart from -200V   
  211   Thu Jul 3 15:58:34 2025 tb-crewbias scan W3-8 5E15Topside4.20.96-400 Good   hit compliance at 400V   
  214   Thu Jul 3 16:11:34 2025 tb-crewbias scan W3-8 5E15Topside4.20.96-350 Good   can't set compliance to values > 200uA via
producer, trying manually now
  
  218   Thu Jul 3 16:34:56 2025 tb-crewbias scan W3-8 5E15Topside4.21.1-400 Good   increased threshold   
  229   Thu Jul 3 17:44:29 2025 tb-crewbias scan W3-8 5E15Topside4.21.09-400 Good   rerun bias scan with increased thr (hopefully
no noise)
400V at thr = 970mV yielded  24% effi
  
  246   Thu Jul 3 21:06:35 2025 tb-crewbias scan W3-8 5E15Topside4.20.97-500 Good   changing DUT now   
  247   Thu Jul 3 21:07:09 2025 tb-crewbias scan W3-5 2E15Topside4.20.97-500 Good   changing DUT now   
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