Slow comparator 0xf

DSSSD HV +120V +6.400uA - attachment 3

per FEE64 Rate spectra - attachment 1
ADC data item stats - attachment 2

test + disconnected at start of chain aida10, aida1 ... aida12

ADC data item stats - attachment 4
per FEE64 Rate spectra - attachment 5

No difference observed

DSSSD HV +130V +6.455uA - attachment 7
DSSSD HV +160V +6.605uA - attachment 6

per FEE64 1.8.W spectra - 2ms FSR - attachments 8 & 9
per FEE64 Rate spectra - attachments 10 & 11
ADC data item stats - attachment 12

Depletion+30V bias = 160V - no change to n+n noise, increased noise more generally


17.30 power off, HV off
      test + daisy chain removed from aida10, aida01 ... aida12
      power on
      slow comparator 0x64

      DSSSD bias +120V +6.455uA - attachment 13

      ADC data item stats - attachment 14

      per FEE64 Rate spectra - attachments 15 & 16
  
      1.8.W spectra - 20us & 200us FSR - attachments 17 & 18

      extrinsic noise worse but restricyted to a few hot channels
      
      slow comparator 0xf
      per FEE64 Rate spectra - attachment 19


18.40 DSSD HV to aida04 ( standard coaxial cable ), N1419ET floating output
      HV chain aida12, auda03, aida11 
      aida03 LK1 and LK3 fitted
      slow comparator 0x64

      DSSSD bias +120V +6.435uA - attachment 20
      ADC data item stats - attachment 21

      per FEE64 Rate spectra - attachments 22-24

      1.8.W spectra - 200us FSR - attcahments 25 & 26

       extrinsic noise worse esp. n+n Ohmic side
       p+n rates dominated by hot channels