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