AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
DESPEC
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Entry time:
Sat Mar 29 11:32:04 2025
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> Began by installing the triple. > Only the upstream detector was connected to the FEEs the downstream detector cables were left loose. The two detectors are isotolated though. > > Initial cabling configuration > No pulser connections to any of the FEEs connected to the DSSD. > Bias core connected to FEE 13 - FEE 3 and FEE 11 with connections made by T pieces > Bias braid connected to FEE 4 - FEE 2 with connection made by T piece > Adaptor boards grounded to FEE cooling plate via lemo > DSSD cable drain wires also connected to LEMOs > > LK1 not on any adaptor boards. > LK2, 3 and 4 on all > > System started and rates very high in all of the FEEs connected to DSSD. > N.B FEE 8 connected to pulser but not to cable and adaptor board not grounded to FEE cooling plate > FEE14 connected to pulser and adaptor board grounded to FEE cooling plate > Statistics - Attachment 1 > It was noted one of the ribbon cable connectors for FEE13 had come off > Statistics fixed - Attachment 2 > Representative waveforms showing the noise - Attachments 3 and 4 > > Bias turned off and HV filters connected > Issue at first as the solder connection in one filter had broken. Filter was replaced and the DSSD bias > Statistics are unchanged > Waveforms with the HV filters installed - Attachments 5 and 6
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