ELOG AIDA

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 12:37:00 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 Encoding: HTML ELCode plain Suppress Email notification

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