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 |