MSL type BB18(DS)-1000 serial 2998-22
Bias +200V, I_L +8.110uA, 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)
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
Pulser peak width (ch FWHM) from spectra 2.*.L
nnaida11
Shaping time(us)
0.5 1 2 4 8 8**
80 83 76 82 87 82
82 84 77 82 87 83
82 80 77 82 79 75
75 77 73 77 91 87
79 81 76 78 90 88
79 81 76 80 90 85
72 77 73 83 100 98
82 81 79 88 99 94
81 81 79 86 94 96
84 84 77 86 93 94
76 87 100 325 557 828*
86 83 84 100 119 121*
83 83 82 92 108 106*
78 77 83 85 110 111*
98 81 96 105 119 123*
89 89 93 104 109 108*
81.6 81.8 81.3 82.4 91.0 88.2 mean
6.0 3.4 8.2 3.5 6.1 7.3 std dev
nnaida12
0.5 1 2 4 8 8**
72 79 70 68 65 62
77 81 74 73 70 70
81 85 77 76 70 70
66 74 64 63 62 63
73 79 71 69 63 65
75 83 73 70 64 65
65 74 65 64 63 63
70 74 68 66 65 65
73 79 69 68 64 65
78 80 76 72 67 65
61 72 61 60 61 62
69 77 68 61 63 63
74 80 71 68 66 66
64 69 63 61 61 62
74 83 72 67 58 57
75 82 72 70 62 64
71.7 78.2 69.6 67.3 64.0 64.2
5.5 4.5 4.6 4.6 3.2 3.1
nnaida13
0.5 1 2 4 8 8**
71 72 72 63 54 53
75 80 76 64 56 54
77 86 83 67 56 56
61 66 60 57 52 51
69 74 71 62 55 52
74 77 75 64 56 53
59 65 60 57 53 52
66 70 68 60 55 54
66 65 67 60 53 53
72 75 75 59 52 53
58 63 59 54 50 51
62 65 64 57 52 52
68 75 68 60 55 51
55 59 55 52 51 49
61 68 65 57 49 46
71 74 72 63 51 49
66.6 70.9 68.1 59.8 53.1 51.8
6.6 7.0 7.5 4.0 2.2 2.4
nnaida14
0.5 1 2 4 8 8**
68 76 68 64 56 54
69 76 73 48 56 51
68 77 72 66 56 53
67 75 70 66 54 52
68 77 70 57 54 49
69 77 71 66 56 53
65 76 69 65 56 55
66 75 67 65 54 54
67 76 68 65 57 53
70 79 74 67 46 48
66 76 68 64 53 53
65 75 68 64 56 54
69 77 70 66 52 56
70 81 73 69 57 54
81 96 82 74 54 50
74 84 78 71 54 52
68.9 78.3 71.3 64.8 54.4 52.6
3.9 5.3 4.0 5.8 2.7 2.2
* outlier ignored
** ground links LK3 & LK7 fitted to nnaida11-14 AIDA adaptor PCBs
electronic noise
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 |