Measured IV curve for BB18 DSSD with new CAEN HV supply. Settings as in previous elog entry:
Detector bias CAEN N1419 Programmable HV Power Supply
- FAGND isolated from AGND (AGND = NIM chassis ground)
- floating HV supply, <5mV pp noise specification
- configured + polarity, i.e. core to nnaida11 & nnaida12 MSL type BB18 n+n ohmic strips
braid to nnaida12 & nnaida13 MSL type BB18 p+n junction strips
Data (see attachment):
V [V] I [uA]
3 1.34
6 1.62
9 1.81
12 1.97
15 2.1
18 2.21
21 2.31
24 2.39
27 2.46
30 2.52
35 2.61
40 2.68
45 2.73
50 2.77
55 2.8
60 2.82
70 2.86
80 2.91
90 2.94
100 2.97
110 3
120 3.06
130 3.12
140 3.18
150 3.26
160 3.34
170 3.43
180 3.53
190 3.62 |