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 Aug 16 18:44:33 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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