ELOG DESPEC

AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40

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Entry time:	Sat Mar 29 11:26:32 2025
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> > 12.00 Replaced AIDA ASIC mezzanine of aida01 to fix issue with asic #3 > > During replacement the HDMI connector of the adjacent FEE64 aida09 became disconnected from the FEE64 PCB > aida09 ( MAC ee:10 ) replaced (MAC 41:cf:ad ) > > AIDA FEE64 adaptor PCBs for aida01, aida14 and aida09 disconnected and re-connected during this process > > DSSSD bias & leakage current OK - attachment 1 > > FEE64 temps OK - attachment 2 > except aida02 ASIC temp - known fault > > System wide checks OK except WR/FPGA errors - attachments 3-4 > > WR timestamps OK - attachment 5 > > ADC, DISC, PAUSE, RESUME and correlation data stats - attachments 6-10 > ADC data items 10/16 < 20k, max 143k > > per FEE64 Rate spectra - attachment 11 > > per FEE64 1.8.W spectra - 20us FSR - attachments 12-13 > > > 15.10 Synchronise ASIC clocks > Re-calibrate ALL ADCs > > ASIC settings 2024Mar27-11.25.32 > > Changes ( https://elog.ph.ed.ac.uk/CARME/499 ) > > IBias LF feedback from 0xf to 0x8 > Diode link threshold from 0xbf to 0xca > > New ASIC settings saved as 2024Apr19-15.22.49 > > All FEE64 slow comparators -> 0x14 > > Data file S100_alpha/R12 > > Pulser ealkthrough (test +) > > BNC PB-5 settings > > Amplitude 10.0-1.0V @ 1.0V step > Attenuation x10 > Frequency 25Hz > Polarity + > Tail pulse > tau_d 1ms > > 16.35 DAQ ends OK file S100_alpha/R12_24 > > per p+n FEE64 1.8.L spectra - attachment 14 > aida09 pulser peak width 54 ch FWHM > > 17.38 Data file S100_alpha/R13 > > Pulser walkthrough (test -) > > BNC PB-5 settings > > Amplitude 10.0-1.0V @ 1.0V step > Attenuation x10 > Frequency 25Hz > Polarity - > Tail pulse > tau_d 1ms > > 18.43 DAQ ends OK file S100_alpha/R13_20 > > per p+n FEE64 1.8.L spectra - attachment 15 > > 18.55 Current status > > FEE64 power ON > DSSSD bias ON > > All FEE64 slow comparator 0x14 > > DAQ going -> Merger -> TapeServer (no storage mode) -> MBS ( but data stream not yet being read by MBS ) > > > To Do > > - S4 currently closed/controlled access for FRS startup > > If we have access to S4 tomorrow > > - switch test - to test + ( not critical ) > - test AIDA interlock > - further alpha background? > > > > 22.47 DSSSD bias & leakage current OK - attachments 16-17 > > FEE64 temps OK - attachment 18 > except aida02 ASIC temp - known fault > > ADC data item stats - attachment 19 > > per FEE64 Rate spectra - attachment 20 > > Data link, Tape Server & Merger - attachments 21-23 > > Encoding: HTML ELCode plain Suppress Email notification

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