Water flow and temperature ( gauges outside S4 entrance ) OK

BNC PB-5 pulser connected to p+n FEE64s by diasy chain of test + inputs

ASIC settings 2023Nov16-18.55.20
 p+n FEE64s slow comparator 0xa, n+n FEE64s 0xf

All system wide checkks OK

DSSSD bias -150V leakage current -5.37uA - OK - attachment 1

FEE64 temperatures OK - attachment 2

ADC data item stats - attachment 3
 rates dominated by relatively few 'hot' channels
 aida06 - no cables connected to FEE64 adaptor PCB

per FEE64 Rate spectra - attachment 4
 aida06 - no cables connected to FEE64 adaptor PCB 
 system relatively quiet but has been quieter - no grounding of bPlast cabling and PSUs?

p+n and n+n FEE64 1.8.W spectra - 20us FSR - attachments 5-8
 aida06 - no cables connected to FEE64 adaptor PCB
 aida08 - no ADC calibration 



14.43 Pulser walkthrough - p+n junction FEE64s

BNC PB-5 settings
amplitude 9.0-1.0V @ 1.0V step
x10 attenuation
tail pulse
polarity +
frequency 22Hz

file DEC23/R5

15.47 R45 ends OK - see attachments 9-10
aida01 1.8.L pulser peak width 53 ch FWHM
aida06 1.8.L pulser peak width 14 ch FWHM ( no input )

15.47 file DEC23/R6 

BNC PB-5 pulser
amplitude 9.0V
frequency 2Hz

c. 19.00
Low intensity 238U fully stripped/H+/He+ - attachments 11-14
Fully stripped close to centre of DSSSD
HEC energies observed from threshold to c. 1-2GeV

19.25 Beam off
      SC41 scaler input to level 1 MACB #3 ( of 4 ) moved to level 1 MACB #4 ( of 4 )


21.00 checks


DSSSD bias -150V leakage current -6.050uA - OK - attachment 15

FEE64 temperatures OK - attachment 16

ADC data item stats - attachment 17
 rates dominated by relatively few 'hot' channels
 aida06 - no cables connected to FEE64 adaptor PCB

BNC PB-5 config - attachment 18

Merger and TapeServer browser tabs and terminal servers - attachments 19-20
 c. 160k data items/s merged
 c. 600kb to disk and forwarded to MBS

21.05.37 *all* stats zero'd

22.18 ADC data, DISC data, PAUSE, RESUME, WR data item stats - attachments 21-28
zero rate PAUSE/RESUME - one observed in c. 75 minutes