AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40
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Message ID: 241     Entry time: Fri May 27 06:38:27 2016
Author: TD, AE & CG 
Subject: Friday 27 May 2016 
14.30 DSSSD stack moved upstream to position DSSSD#3 at centre of EURICA.

      Initial tests of detector bias with DSSSD #1-6 were Ok. Unfortunately we were unable to bias
      DSSSD #7 obtaining either open or short circuit depending on which of the two p+n junction 
      side and n+n ohmic side detector bias bus lines we connected to.

      Demonstrated that short circuit was upstream, of AIDA adaptor PCB by disconnecting Kapton
      LH couplers.

      Remove DSSSD stack and replace DSSSD #7. In progress.

15.50 Startup AIDA with DSSSDs disconnected

      Temperatures & firmware version - see attachment 1
      AIDA SYNCs - attachment 2
      System wide checks - attachments 3-6 - note persistent nnaida19 ASIC clock and SYNC errors
      Statistics nnaida19, 20 - attachments 7-8
      
      nnaida19, 20, 27 & 28 hit pattern and waveform spectra - see attachments 9-13

      Some nnaida19 system wide errors above and noisy ASIC#4 hit channel for nnaida28 - otherwise OK 
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