AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
AIDA
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Entry time:
Sat Mar 29 12:26:05 2025
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> MSL type BB18(DS)-1000 serial 2998-22 > Bias +200V, I_L +=6.540uA, ambient temperature +19.9 deg C > > DSSSD - AIDA adaptor PCB cabling > > 4 off LH Coupler (Kapton PCB, 5cm), 2x 34-way Samtec ribbon cable (45cm), RH coupler(Kapton PCB, 10cm) > + 3M 1245 1.4mil copper foil screen ribbon cables + RH coupler only (i.e. not LH coupler) > + drain wires -> gold-plated Lemo-00 test input connectors > > nnaida 11 & 12 AIDA adaptor PCB rev B > nnaida 13 & 14 AIDA adaptor PCB rev C (LK1 fitted) > ground links LK3 & LK7 fitted to nnaida11-14 AIDA adaptor PCBs > > Heavy duty copper cable connects copper front end frames of FEE modules > Nitto 5011N conductive gasket between FEE module and front end frames > > Standard ASIC settings > nnaida 11 & 12 - negative input > nnaida 13 & 14 - positive input > > Pulser BNC PB-5 > Fall time 1.0ms > Rate 100Hz > Delay 250ns > Ampl 5.00000V > Polarity + > Pulse top Tail > Atten 10x > Clamp ON > - polarity via Cooknell SA1 Summing Amplifier > > 207Bi source, approx centred on DSSSD, approx 2cm from DSSSD > > File R5 > shaping time 0.5us > slow comparator 16 (dec) > > File R6 > shaping time 8us > slow comparator 16 (dec) > start: stop: 18.01 > > File R7 > shaping time 8uS > slow comparator 12 (dec) > start: 18.02 stop: 09.29 10.2.16 > spectra saved to disk 11.37 BST (sic) > > 10.2.16 > ------- > > 10.50 Bias +200V, I_L +=6.010uA, ambient temperature +20.0 deg C > > File R8 > shaping time 8uS > slow comparator 10 (dec) > start: 10.52 stop: 13.12 > spectra saved to disk 14.13 BST (sic) > > attachments 1 & 2 - hit patterns during R8 > > DAQ stalled at start of R9 > Run control (updated) showed all FEEs going > No good events from nnaida12 & 14, nnaida11 & 13 OK > nnaida would not stop, would not reset > Power cycle to restart > > Ignore R9 > > File R10 > shaping time 8uS > slow comparator 10 (dec) > start: 13.27 stop: 14.09 > spectra saved to disk 15.10 BST (sic) > Pulser walkthrough 9.00000V-1.00000V @ 1.0000V step > > see attachment 3 > > File R11 > shaping time 8uS > slow comparator 10 (dec) > start: 14.12 stop: 14.38 > spectra saved to disk 15.39 BST (sic) > Pulser walkthrough 1.00000V-0.200000 @ 0.1000V step > > See attachment 4 & 5 > > Ignore R12 - same issue as before R9 > > File R13 > shaping time 8uS > slow comparator 8 (dec) > start: 14.50 stop: 15.11 > Pulser amplitude 5.00000V > > File R14 > shaping time 8uS > slow comparator 8 (dec) > start: 15.12 stop: 15.20 > Pulser amplitude 5.00000V & 0.20000V > > File R15 > shaping time 8uS > slow comparator 8 (dec) > start: 15.20 stop: 15.28 > spectra saved to disk 16.33 BST (sic) > Pulser amplitude 0.10000V & 1.00000V > see attachments 6 & 7 > > For slow comaparator setting 8 (dec) and with the above BNC PB-5 pulser settings above > the slow comparator rate decreases from the expected 100Hz (plus source) to < 50Hz > between pulser amplitude 0.20000 and 0.10000V. > > > 15.32 Bias +200V, I_L +=6.550uA, ambient temperature +19.6 deg C
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