AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
DESPEC
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Sat Mar 29 11:37:57 2025
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13.00 Cooling water temperature and flow OK - attachment 1 Test of AIDA 2x MSL type BB18(DS)-1000 24cm x 8cm DSSSDs 'as is' ( to be defined later in this Elog ) DSSSD bias & leakage current OK - attachment 2 Ambient temp 24.7 deg C, d.p. 7.1 deg C, RH 32.4% Leakage current c. 6.6uA => 4nA/cm2/100um ( very good ) FEE64 temps OK - attachment 3 *except* aida02 ASIC temp which is known to be u/s All system wide checks OK *except* aida02 and aida04 WR decoder status - attachment 4 WR timestamps OK - attachment 5 WR (info code 4 & 5), correlation scaler, PAUSE, RESUME, DISC, ADC data item stats - attachments 6-12 per FEE64 Rate spectra - attachments 13-15 per 1.8.W spectra - 20us FSR - attachments 16-1710129 14.45 FEE64 config check - per https://elog.ph.ed.ac.uk/DESPEC/562 FEE64 # PSU cable # MAC 1 1 ? 2 2 ? 3 3 ? 4 4 41 ee 71 5 5 ? 6 6 ? 7 7 f6 5a 8 8 41 d7 cd 9 ? ? 10 10 41 d0 0e 11 11 41 ee 0f 12 ? ? 13 13 ? 14 ? 0d 15 15 15 ? 16 16 f6 ed ? = no line of sight - AIDA FEE64 PSU cabling - see attachment 18 Currently PSU #1 1-3, 2-4, 9-5, 15-12 PSU #2 14-7, 6-8, 10-13, 11-16 Should be changed to PSU #1 1-3, 2-4, 9-15, 5-12 PSU #2 14-7, 6-8, 10-11, 13-16 - AIDA snout mount to support frame - attachments 19 & 21 LHS ( looking downstream ) incorrect, RHS OK - LKs LK1 fitted aida02, aida04, aida06, aida08 LK3 fitted aida03, aida07, aida01, aida14 Significant gaps in snout ( i.e. possible light leaks ) where bPlas cabling exits snout - attachments 20 & 22 bPlas driver PCBs removed bPlas ribbon cables, drain wires and Lemo 00.250 cabling disconnected - some cabling/drain wires touching snout etc 15.15 Adjust bPlas ribbon cables/drain wires/Lemo cables to ensure that none are touching snout or AIDA support frame - significant improvement DSSSD bias & leakage current OK - attachment 23 FEE64 temps OK - attachment 24 ADC data item stats - attachments 25 per FEE64 Rate spectra - attachments 26 6x FEE64s < 20k. all FEE64s < 120k ( cf. 4x FEE64s < 20k, 5x FEE64s > 100k, 1x FEE64 320k earlier - attachment 12 ) per 1.8.W spectra - 20us FSR - attachments 27-28 17.15 LHS top hat washers LK1, LK3 PSU power cables tighten gnd screws attachments 29-34 Note that some of the newly installed FEE64s have the incorrect rails fitted - FEE64s may ground to AIDA support stand 17.55 CAEN N1419ET LK removed -> floating outputs 18.15 +LK1 restored attachments 35-40 18.40 +pwwer cycle attachments 41-46
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