ELOG AIDA

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

AIDA

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Entry time:	Sat Mar 29 12:28:48 2025
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> MSL type BB18(DS)-1000 serial 2998-22 > Bias +200V, I_L +=6.070uA, ambient temperature +20.2 deg C > > DSSSD - AIDA adaptor PCB cabling > > 4 off LH Coupler (Kapton PCB, 5cm), 2x 34-way Samtec ribbon cable (45cm), RH coupler(Kapton PCB, 10cm) > + 3M 1245 1.4mil copper foil screen ribbon cables + RH coupler only (i.e. not LH coupler) > + drain wires -> gold-plated Lemo-00 test input connectors > > nnaida 11 & 12 AIDA adaptor PCB rev B > nnaida 13 & 14 AIDA adaptor PCB rev C (LK1 fitted) > ground links LK3 & LK7 fitted to nnaida11-14 AIDA adaptor PCBs > > Heavy duty copper cable connects copper front end frames of FEE modules > Nitto 5011N conductive gasket between FEE module and front end frames > > Standard ASIC settings > nnaida 11 & 12 - negative input > nnaida 13 & 14 - positive input > > Pulser BNC PB-5 > Fall time 1.0ms > Rate 100Hz > Delay 250ns > Ampl 5.00000V > Polarity + > Pulse top Tail > Atten 10x > Clamp ON > - polarity via Cooknell SA1 Summing Amplifier > > 207Bi source, approx centred on DSSSD, approx 3cm from DSSSD > > Compare measurements to previous electronic noise tests 27 January 2016 > See https://elog.ph.ed.ac.uk/AIDA/145 > > nnaida11 > > Shaping time(us) > > 0.5 1 2 4 8 > > 87 80 75 60 54 > 88 81 76 62 58 > 87 83 78 62 57 > 84 74 69 56 56 > 81 78 72 59 56 > 86 79 74 60 56 > 85 73 65 56 57 > 85 77 72 59 57 > 83 77 73 60 56 > 85 81 77 62 58 > 85 71 65 55 55 > 80 76 72 59 56 > 85 78 73 59 57 > 87 76 71 58 55 > 93 85 78 62 55 > 91 86 81 64 55 > > 85.8 78.4 73.1 59.6 56.1 mean > 3.2 4.2 4.5 2.5 1.2 std dev > > nnaida12 > > 0.5 1 2 4 8 > > 87 77 69 58 55 > 83 78 75 61 58 > 80 84 77 63 56 > 86 73 64 54 54 > 85 77 69 58 55 > 86 77 71 59 55 > 85 72 64 55 55 > 84 74 66 56 55 > 82 74 67 57 55 > 80 78 73 61 55 > 80 70 63 55 55 > 82 72 65 56 53 > 82 73 69 58 56 > 90 74 64 55 55 > 95 84 74 59 53 > 86 82 74 59 55 > > 84.6 76.2 69.0 57.8 55.0 > 4.0 4.3 4.6 2.5 1.2 > > nnaida13 > > 0.5 1 2 4 8 > > 51 51 51 46 47 > 49 53 52 47 48 > 53 60 61 50 49 > 50 46 45 42 46 > 48 50 50 45 48 > 57 54 54 47 49 > 49 47 46 44 48 > 49 50 50 46 49 > 50 51 52 46 48 > 50 54 54 47 49 > 49 45 44 43 48 > 47 50 50 45 47 > 49 52 52 47 49 > 48 45 42 42 47 > 54 55 55 47 45 > 47 54 53 47 46 > > 50.0 51.1 50.7 45.7 47.7 > 2.7 4.0 4.7 2.1 1.3 > > nnaida14 > > 0.5 1 2 4 8 > > 81 79 75 60 53 > 79 77 73 57 52 > 79 78 73 61 54 > 85 81 76 61 54 > 79 71 70 56 51 > 82 79 74 60 54 > 83 78 73 59 54 > 79 74 70 56 52 > 82 78 73 59 54 > 76 75 70 54 52 > 82 75 72 58 54 > 81 76 71 58 54 > 78 75 70 58 53 > 96 87 81 62 54 > 108 103 94 69 55 > 95 90 85 68 54 > > 84.1 79.8 75.0 59.8 53.4 > 8.5 7.8 6.5 4.0 1.1 > > * outlier ignored > ** ground links LK3 & LK7 fitted to nnaida11-14 AIDA adaptor PCBs > > electronic noise > > p+n and n+n strips ~ 55 ch FWHM ~ 0.7 * 55 ~ 39keV FWHM > => slow comparator (5x sigma) ~ 5 * 39 / 2.355 ~ 82keV > > cf. > > See https://elog.ph.ed.ac.uk/AIDA/145 > > n+n strips ~64 ch FWHM ~ 0.7 * 64 ~ 45keV FWHM > => slow comparator threshold (5x sigma) ~ 5 * 45 / 2.355 ~ 96keV > p+n strips ~ 54 ch FWHM ~ 0.7 * 54 ~ 38keV FWHM > => slow comparator threshold (5x sigma) ~ 5 * 38 / 2.355 ~ 81keV > > > Pulser BNC PB-5 > Fall time 1.0ms > Rate 100Hz > Delay 250ns > Ampl 10.00000V > Polarity + > Pulse top Tail > Atten 10x > Clamp ON > - polarity via Cooknell SA1 Summing Amplifier > > 207Bi source, approx centred on DSSSD, approx 3cm from DSSSD > > File R35 > shaping time 8uS > slow comparator 6 (dec) > start: 13.26 stop: 13.50 > spectra saved to disk 14.52 BST (sic) > Pulser amplitude 10.0000V-1.00000V @ 1.00000V step Encoding: HTML ELCode plain Suppress Email notification

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