AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
DESPEC
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Entry time:
Sat Mar 29 11:29:52 2025
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> > In no particular order > > 1) CAEN 83xx series NIM bin (Ortec 533A output noise issue) > > observe +/- 6V, 12V, 24V lines with/without load > > try new CAEN NIM bin and/or NIM bin of different type > > 2) Measure actual voltages at FEE64 power connector input > > OH suggests fab of power adaptor for safe observation - contact EW > > 3) rev B adaptor PCB > > invert 125 way ERNI - check for mech conflicts > paired HV input (avoid Lemo-00 T pieces) > consider isolating test/HV Lemo-00 shells from PCB ground (loop elimination) > straight jumpers > shrouded Samtec headers - consider mech issues/consequences of using eject clips too > re-visit HV filtering & separate trace ground > > 4) isolation transformer > > as practical matter may be necessary to operate all platform from isolation transformer > consider hire of appropriate unit > > need method to measure isolation - will require permit to work or equiv > > 5) investigate S4 area ac mains > > NH discussing with GSI electricians > > 6) Systematic measurement of AIDA PSU noise > > Spec linear AIDA FEE64 PSU > > 7) Redesign of snout > Return to 1mm welded box Al for lower stage of snout for added rigidity > > 8) Revisit calculation of cable lengths. Particularly for the triple > > 9) > > > >
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