AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
AIDA
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Entry time:
Mon Dec 11 23:56:36 2023
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00.55 Observe high frequency noise in aida02 & aida04 ( n+n FEE64s ) - attachments 1-5 and aida05 ( p+n FEE64 ) frequency c. 5MHz Oscillation unchanged by HV cycle ASIC control load FEE64 power cycle BNC PB-5 pulser OFF BNC PB-5 pulser output disconnected from test + cable ( and remains disconnected ) BB7 HV and preamp power OFF - oscillation disappears Note - BB7 HV and power have been on all day and AIDA was running OK until at least 22.18 11.12.23 - go figure! 01.42 file DEC23/R7 02.00 checks DSSSD bias -150V leakage current -5.980uA - attachment 5 FEE64 teperatures OK - attachment 6 ADC data item stats OK - attachment 7 Merger & TapeServer screens - attcahments 8 & 9 per FGEE64 Rate spectra - attachment 10 1.8.W spectra - 20us FSR - attachments 11 & 12 02.18 ASIC check load x2 02.20 file DEC23/R8 Final FRS setting - fragments SE 238U, PID uncertain online 02.22 zero all spectra & stats 03.23 degrader changed to 4350mg file DEC23/R9 03.25 zero all spectra & stats 06.00 beam stopped file R9 closed 06.18 pulser walkthrough test - BNC PB-5 amplitude 9.0-1.0 @ 1.0V step attenuation x10 polarity - tail pulse 1ms decay time file DEC23/R11
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