Minutes of the forward endcap EMC eZuce SRN meeting, 6th of May 2019, 14:00-14:30

Presence:

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

APD-Submodule Material Bonn:

  • About 1800 signal cables produced. To be shipped to Bochum. Bonn used an upgraded machine, which will be sent back. They will get a new one in one month.
  • Deliveries from Bonn arrived in Bochum.

Voltage range HV regulation

  • Each APD can be regulated separately. Currently with a voltage range of 30 V and steps of 0.1 V. It was agreed to change this to a maximum range of 15 V and 0.05 V steps.
  • The measurement has currently a resolution of 100 mV (due to thermal dependicies of the resistors.).

Status SADC backplane and power supply

  • Backplane PCB in production (soldering). Expected this week.
  • Power supply expected soon (1pc to test).
  • Power supply evaluation model did not survive irradiation test. Waiting to cool down for more checks. It might be due to the high intensity (1011 p/100 s). Next irradiation is planned for June 28 with a lower intensity.
  • Status of the crate is unknown (check with Myroslav).

FEE and DAQ workshop

-- FritzHerbertHeinsius - 06 May 2019
Topic revision: r1 - 06 May 2019, FritzHerbertHeinsius
 
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