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

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Entry time:	Thu Apr 23 19:01:15 2026
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> > Check of cooling water flow > - pressure (c. 7bar) and temperature (c. 20 deg C, above local dew point) at entrance to S4 OK - attachment 1 > - USB-controlled ac mains relay - water flow/local humidity interlock OK (yellow LED) > - can feel flow in FEE64 coolant pipework > > > Disconnect ribbon cabling from snout to FEE64 adaptor PCB > > Note FEE64 aida16 uses rev A adaptor PCB without grounding (expected to be noisy but OK for test purposes) > > FEE64 power ON > > > Attachment 2 - FEE64 temperatures OK > > Attachments 3-6 - System wide checks OK except aida02 WR timestamp/FPGA warnings (not a problem) > > Attachment 7 - WR timestamps OK > Note PC with PEXARIA5 PCI card for AIDA WR timestamp data (to 'root' MACB input) was restarted but BuTIS input not available so WR data shows time from zero/power up not UNIX epoch time > > Attachment 8 - ASIC settings 2025Jun14-15.00.09 restored > > > BNC PB-5 settings > > Amplitude 1.0V or 2.0V > Attenuation x1 > t_r 50ns > tau_d 1ms > Polarity + (p+n FEE64s) or - (n+n FEE64s) > Frequency 50Hz > > > n+n FEE64s > > Attachment 9 - per FEE64 Rate spectra > Attachment 10 - ADC data item statistics > Attachments 11-13 - per n+n FEE64 1.8.L and 1.8.W spectra (20us FSR) > aida02 pulser peak width 16ch FWHM (11keV FWHM) > note common x and y scaling > with zero input load (capacitance and leakage current) expect pulser peak widths c. 10-15ch FWHM (c. 7-11keV FWHM) > > p+n FEE64s > > Attachment 14 - per FEE64 Rate spectra > aida16 asic#2 u/s? > Attachments 15-17 - per p+n FEE64 1.8.L and 1.8.W spectra (20us FSR) > aida09 pulser peak width 16ch FWHM (11keV FWHM) > note common x and y scaling > with zero input load (capacitance and leakage current) expect pulser peak widths c. 10-15ch FWHM (c. 7-11keV FWHM) > aida16 spectra noisy as expected > > > FEE64 power OFF > > > Switch config to 6x FEE64s (DSSSD#1 p+n FEE64s) > > > FEE64 power ON > > Attachment 18 - FEE64 temperatures OK > > Attachments 19-23 - system wide checks OK except ADC calibration due to ASIC synchronisation - need to re-run ADC calibration as usual > > Attachment 24 - WR timestamps OK > > Attachment 25 - ASIC settings saved 2026Apr18-15.26.25 > > Attachment 26 - ADC data item stats OK except aida16 asic#2 u/s? > > Attachment 27 - per FEE64 Rate spectra > > Attachment 28 - per p+n FEE64 1.8.L spectra > aida10 pulser peak width 15 ch FWHM (10.5keV FWHM) > note common x and y scale > > Attachment 29 - ADC calibration OK > > Attachments 30-32 - per p+n FEE64 1.8.W specra (20us FSR) > note AD9222 octal, 14 bit, 50MSPS ADC +/-1V input => 1LSB = 122uV > > > FEE64 power OFF > > Mechanical check of all FEE64 and MCB HDMI connectors - all OK Encoding: HTML ELCode plain Suppress Email notification

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