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 12:28:07 2025
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> > 10.43 DSSSD bias +100V leakage current +7.550uA > > > + bias - core aida04, braid aida12, LK1 ( HV local ground ) fitted aida03, aida11 *not* aida12 > bias bonds aida01 and aida09 probably broken > aida03 LK3 ( DSSSD PCB ground ) fitted > > ASIC settings 2021Apr29-13-16-00 > slow comparator 0x64 > > FEE64s 1, 3, 9, 10, 11, 12 + input polarity > FEE64s 2, 4, 6, 8 - input polarity > > BNC PB-5 pulser > amplitude 1.0V > attenuation x1 > tail pulse > tau_d 1ms > frequency 100Hz > polarity + > > EG&G Ortec 534 Sum & Invert Amplifier > to provide - polarity test inputs > Test + and - signals daisy-chained to FEE64s - end of daisy-chain terminated by 50 Ohms. > > Adaptor PCB > > AIDA Half Rev B 180623 fitted FEE64s 1, 2, 3, 4, 9, 10, 11, 12 > AIDA Half Rev A 120418 fitted FEE64s 6, 8 > > AIDA Half rev A adaptor PCBs aida06 & aida08 - not connected to ribbon cable/test/HV > DSSSD #1 - adaptor PCB ribbon cable drain wires connected to respective adaptor PCB ground > DSSSD #2 ( not installed ) adaptor PCB ribbon cable and ribbon cable drain wires floating > AIDA Half rev B adaptor PCBs DSSSD#1 - FEE64 cooling plate - adaptor PCB ground *not* connected > AIDA Half rev A adaptor PCBs aida06 & aida08 - not connected to ribbon cable/test/HV - FEE64 cooling plate - adaptor PCB ground fitted > ground to AIDA support frame *not* connected > test + / test - *not* connected > > > > > per FEE64 1.8.W spectra 20 & 200us FSR - attachments 1-2, 14-15 > > per FEE64 p+n junction 1.8.L spectra - attachments 3-4 > aida01 pulser peak width 136 ch FWHM ( note double peaking ) > > per FEE64 rate spectra - attachment 5 > no test - input > > adc data item stats - attachment 6 > slow comparator 0x64 > note aida04 asic #1 u/s > > system wide checks - *all* OK - attachments 7-11 > > FEE64 temps OK - attachment 12 > > DSSSD bias - attachment 13 > > adc data item stats - attachment 16 > slow comparator 0x14 > > > 12.28 LK1 ( local HV ground ) removed from aida03 & aida11 ( already removed from aida12 ) > > adc data item stats > per FEE64 1.8.W spetcra 20us FSR - attachments 17-19 > > DSSSD bias +100V leakage current +6.525uA > > > 14.40 DSSSD bias +100V leakage current +6.230uA > > LK1 ( local HV ground ) installed aida12 *only* > > adc data item stats > per FEE64 1.8.W spectra 20us FSR > per p+n FEE64 1.8.L spectra - attachments 20-24 > aida12 pulser peak width 196 ch FWHM > > > > 14.40 DSSSD bias +100V leakage current +11.485uA > > LK1 ( local HV ground ) installed aida03, aida11, aida12 > > adc data item stats - slow comparator 0x64 > per FEE64 rate spectra > per FEE64 1.8.W spectra 20us FSR > per p+n FEE64 1.8.L spectra - attachments 25-30 > aida12 pulser peak width 135 ch FWHM ( note double peaking ) > > > adc data item stats - slow comparator 0x14 > per FEE64 rate spectra > p+n FEE64 rates dominated by edge strips > per FEE64 1.8.W spectra 200us FSR > per p+n FEE64 1.8.L spectra - attachments 31-35 > > > > 17.15 Test - disconnected from pulser > Connect test daisy chain cable from aida04 to aida02 (50 OHm termination) > > adc data item stats - slow comparator 0x14 & oxa > per FEE64 rate spectra - slow comparator 0x14 > p+n FEE64 rates dominated by edge strips > per FEE64 1.8.W spectra 200us FSR > per p+n FEE64 1.8.L spectra - attachments 36-44 > aida01 pulser peak width 89 ch FWHM > > > > >
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