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Minutes of the forward endcap EMC eZuce SRN meeting, 30th of January 2017, 14:00-15:25

Presence:

  • Basel: Werner
  • Bochum: Cathrina, Claudius, Fritz-Herbert, Matthias, Malte, Miriam, Tom, Tobias H., Tobias T.
  • Bonn: Christoph, Merlin, ...
  • Groningen: -
  • Stochholm: Markus, Dirk
  • Uppsala: Pawel, Karoly
  • Giessen: Hans, ...
  • GSI: -

Annealing LED issues:

  • Introduction of annealing LEDs to read out end of crystals close to VPTTs does not generate excessive noise to readout (as reported earlier)
  • Introducing the same LEDs to APD read out crystals does strongly affect the preamp output: CAN bus traffic clearly overlays preamp output signals
  • Suggestion for remedy by Hans: HF blocking with ceramic capacitors from both LED leads to ground and/or in between LED leads

ADC boards:

  • Order will be placed soon, need then to test individual boards prior to payment
  • Test board to be able to do so made by Pawel, Diploma student expected to do the testing work
  • 2 ADC boards for Giessen ready in two weeks (need to be tested first)
  • The two ADC related publications need to be finalized
  • Malte is working on shaping time determination issues in conjunction with Myroslav (pile-up recovery)

HV trimming:

  • Status of 'serial adapter chips"? Nothing heard so far from Holger/GSI, Hans/PI Bonn
-- ThomasHeld - 31 Jan 2017
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Topic revision: r2 - 03 Feb 2017, ThomasHeld
 
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