Minutes of the forward endcap EMC eZuce SRN meeting, 25th of March 2019, 14:00-14:45


  • Basel: -
  • Bochum: Fritz-Herbert, Claudius, Malte, Matthias, Miriam, Tobias H., Tom
  • Bonn: Christoph
  • Groningen: -
  • Stockholm: -
  • Uppsala: Pawel
  • Giessen: Markus
  • GSI: -

APD-Submodule Material Bonn:

  • 600 more pieces of signal coaxial cables will be manufactured by the Bonn electronics workshop
  • Shipping of the cables together with the last 200 drilled capsules and the newly ordered ground strips
  • HV and LV plug housings for the complete FWEC all available at Bonn, also to be sent to BO

Cosmics Tests Summary of all VPTT-Submodules:

  • 2 VPTT submodules (the latest ones repaired in BO) still running in the climate chamber test stand
  • Student is working on vptt submodule measurement summary

SADC crate:

  • Backplane PCB went to production
  • First version of power supplies went to production
  • Irradiation tests at KVI: power supply did not survive
    • 3 chips on supplies: 1 controller, 2 drivers for DC/DC converters
    • 10^11 protons: 1 driver okay, the other one died (voltages tripped)
    • Reason/actual damage not yet clear - device still too hot to handle (waiting 1-2 weeks of declining radioactivity)
    • Too high rate (10^9 protons/(cm^2 s)) reason for damage?

-- ThomasHeld - 04 Apr 2019
Topic revision: r1 - 04 Apr 2019, ThomasHeld
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