MSL type BB18(DS)-1000 serial 2998-22
Bias +200V, I_L +=6.540uA, ambient temperature +19.9 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 2cm from DSSSD
 
File R5
shaping time 0.5us
slow comparator 16 (dec)
 
File R6
shaping time 8us
slow comparator 16 (dec)
start: stop: 18.01
 
File R7
shaping time 8uS
slow comparator 12 (dec)
start: 18.02 stop: 09.29 10.2.16
spectra saved to disk 11.37 BST (sic)
 
10.2.16
-------
 
10.50 Bias +200V, I_L +=6.010uA, ambient temperature +20.0 deg C
 
File R8
shaping time 8uS
slow comparator 10 (dec)
start: 10.52 stop: 13.12 
spectra saved to disk 14.13 BST (sic)
 
attachments 1 & 2 - hit patterns during R8

DAQ stalled at start of R9
Run control (updated) showed all FEEs going
No good events from nnaida12 & 14, nnaida11 & 13 OK
nnaida would not stop, would not reset
Power cycle to restart

Ignore R9

File R10
shaping time 8uS
slow comparator 10 (dec)
start: 13.27  stop: 14.09
spectra saved to disk 15.10 BST (sic)
Pulser walkthrough 9.00000V-1.00000V @ 1.0000V step

see attachment 3

File R11
shaping time 8uS
slow comparator 10 (dec)
start:  14.12 stop: 14.38
spectra saved to disk 15.39 BST (sic)
Pulser walkthrough 1.00000V-0.200000 @ 0.1000V step

See attachment 4 & 5

Ignore R12 - same issue as before R9

File R13
shaping time 8uS
slow comparator 8 (dec)
start:  14.50 stop: 15.11
Pulser amplitude 5.00000V

File R14
shaping time 8uS
slow comparator 8 (dec)
start:  15.12 stop: 15.20
Pulser amplitude 5.00000V & 0.20000V

File R15
shaping time 8uS
slow comparator 8 (dec)
start:  15.20 stop: 15.28
spectra saved to disk 16.33 BST (sic)
Pulser amplitude 0.10000V & 1.00000V
see attachments 6 & 7

For slow comaparator setting 8 (dec) and with the above BNC PB-5 pulser settings above
the slow comparator rate decreases from the expected 100Hz (plus source) to < 50Hz
between pulser amplitude 0.20000 and 0.10000V. 


15.32 Bias +200V, I_L +=6.550uA, ambient temperature +19.6 deg C