Minutes of the Forward Endcap EMC Vibe/eZuce meeting, 10th of August 2020, 14:00-15:00
Presence:
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
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2020-09-01,
ThomasHeld
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