Minutes of the Forward Endcap EMC Vibe/eZuce meeting, 10th of August 2020, 14:00-15:00


  • Bochum: Matthias, Jan R.,Malte, Miriam, Tobias H., Tobias T., Sebastian, Thorsten
  • Basel: -
  • Bonn: Christoph, Johannes
  • Groningen: -
  • Uppsala: -
  • Giessen: Hans Georg, Markus

Submodule Measurements Bonn:

  • Jan promised to send the relevant bias voltage data for the APD submodules currently in Bonn for cosmics tests today or tomorrow

HV Control Board:

  • Three boards manufactured (two for Bonn, one for Bochum)
  • The non irradiated boards show no drifting voltages as the latest tested ones (voltages stable to +/- 10 mV)
  • However, as also MOSFET and BJT were exchanged to originally foressen types the absense of drifting may have other reasons

SADC Board:

  • SADC crosstalk measurements (Sebastian Otto, Bonn) show 3 MeV intrusion 'into crystal' in neighborhood of 12 GeV signal receiving one
  • Malte proposed to show pictures and thermogrammes of SADC cooling crates
  • Bochum workshop finished redesigned parts for SADCs

-- ThomasHeld - 31 Aug 2020
Topic revision: r2 - 01 Sep 2020, ThomasHeld
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