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 11:32:32 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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