AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
DESPEC
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Entry time:
Sat Jun 14 11:20:45 2025
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12.21 BNC PB-5 settings Amplitude 1.0V Attenuator x1 Frequency 22Hz Polarity + Tau_d 1ms Tail pulse Clamp ON Pulser output connected to p+n test daisy chain - n+n test daisy chain not connected per DSSSD green/yellow ground daisy chain was removed yesterday FEE64 adaptor PCB grounds connected by heavy duty braid wrapped in copper foil to AIDA support assembly frame Snout connected to AIDA support assembly frame by heavy duty braid bolted to frame and connected to snout by adhesive copper foil. DSSSD - FEE64 adaptor PCB cabling (cannot connect some ribbon cables because cable flipped and connector key now incorrectly oriented) aida10 aida14 aida13 ox xo oo aida09 aida01 aida05 oo oo xo aida06 aida02 aida04 aida08 *Beam into screen* ox oo oo oo aida15 aida03 aida12 oo oo ox aida11 aida07 aida16 ox oo xo o = connected x = not connected e.g. J1 J2 connected = oo, J1 only connected = ox Adaptor PCB top/component side E J1 R N I J2 Adaptor PCB LK1 fitted aida02, aida04, aida06, aida08 LK3 fitted aida03, aida07 DSSSD bias & leakage current - attachment 1 FEE64 temps OK - attachment 2 All system wide checks OK *except* WR decoder status aida02 - attachment 3 WR timestamps OK - attachment 4 ADC data item stats - attachment 5 per FEE64 Rate spectra - attachments 6-7 note ASICs with per channel rates of 22Hz (pulser) note *all* FEE64 slow comparator 0x64 ( *note* subsequently found ASIC #2-4 of a number of FEE64s were set to 0x0 ) per p+n FEE64 1.8.W spectra - 20us, 200us, 2ms and 20ms FSR - attachments 8-11 per p+n FEE64 1.8.W spectra - 20ms FSR - expanded y-scale = 2000 x 122uV/LSB = 0.244V FSR - attachment 12 per n+n FEE64 1.8.W spectra - 20ms, 2ms, 200us and 20us FSR - attachments 13-16 per p+n FEE64 1.8.L spectra - attachment 17 pulser peak widths aida05, aida14, aida16 c. 15-20 ch FWHM ( c. 10-15keV FWHM ) - cable from DSSSD not connected to adaptor PCB aida09 c. 120 ch FWHM - electronic noise c. 2x worse than configuration used for 2023/4 tests all other FEE64s *very* noisy/unstable 14.45 Found some FEE64s with slow comparator 0x64 for ASIC#1 and 0x0 for ASICs #2-4 Slow comparator 0x64 now set for all ASICs of all FEE64s ASIC settings saved to 2025Jun14-15.00.09 ADC data item stats - attachment 18 per FEE64 Rate spectra - attachments 19-20 note ASICs with per channel rates of 22Hz (pulser) note *all* FEE64 slow comparator 0x64 note aida10 to be connected to MSL type BB7 - ignore for time being per FEE64 1.8.W spectra - 20us FSR - attachments 21-22 per p+n FEE64 1.8.L spectra - attachments 23-24 pulser peak widths aida05, aida14, aida16 c. 20 ch FWHM - cable from DSSSD not connected to adaptor PCB aida09 c. 120 ch FWHM - electronic noise c. 2x worse than configuration used for 2023/4 tests
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