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 12:37:09 2025
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Bias +200V, I_L +6.955uA, ambient temp +20.2 deg C MSL type BB18(DS)-1000 2998-20 ~42kBq 207Bi source ~3cm from DSSSD centre Standard ASIC settings shaping time 8us BNC PB-5 frequency 100Hz amplitude 5.0000V x10 attenuation Slow comparator 16 (dec) - saved to disk c. 18.58 BST (sic) 2.2.16 Slow comparator 10 (dec) - saved to disk c. 10.49 BST (sic) 3.2.16 10.54 3.2.16 I_L +6.305uA, ambient temp +20.1 deg C Slow comparator 22 (dec) - saved to disk c. c. 12.31 BST (sic) 3.2.16 - see attachment 1 Slow comparator 16 (dec) - saved to disk c. c. 13.04 BST (sic) 3.2.16 - see attachment 2 Slow comparator 12 (dec) - saved to disk c. c. 14.15 BST (sic) 3.2.16 - see attachment 3 Slow comparator 10 (dec) - data to disk file R1 - see attachment 4 start: stop: 14.20 AIDA adaptor PCB ground links not fitted Slow comparator 10 (dec) - data to disk file R2 - see attachment 5 start: 14.20 stop: 14.53 4x ground links fitted 14.22 3.2.16 I_L +6.625uA ambient temp +20.2 deg C Slow comparator 10 (dec) - data to disk file R3 - see attachment 6 spectra to disk at 16.19 BST (sic) 3.2.16 start: 14.55 stop: 15.14 4x ground links fitted BNC PB-5 amplitudes 9.00000 - 1.00000 @ 1.00000V step Slow comparator 9 (dec) - data to disk file R4 - see attachment 7-9 start: 15.22 stop: 16.55 BNC PB-5 amplitude 5.00000V From attachments 7-8 we can observe that rates (pulser @ 100Hz + 207Bi) are generally sensible with slow comparator threshold = 9 (dec). Overall, merge data rates ~110k data items / s. Quick calculation suggests threshold (keV) ~ slow comparator setting * 10 Encoding: HTML ELCode plain Suppress Email notification

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