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 11:38:03 2025
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10.30 : Turn off AIDA FEE64s Prepare a ground cable for snout - M10 terminal on one end for copper bar. Will affix with Cu tape for now (no free screws) Plan for today: Remove extraneous ground cables Check ground of all FEE64s esp. 05 and 07 - include on FEE64 side. 14:42 - Done all grounds seem snug, extra ground cables removed. Try power on and check Try powering just DSSD1 FEE64s - No change (aida01 125k, aida02,03,04 - 400k) Try grounding snout 14:59 Connection to snout very bad as tape does not fix well to thick copper in braid. nO difference either way. Probe PSU output with Battery DSO if available - See figure 2 Try shuffling FEE64 power allocation - 15:32 - Now as 1 X 3 X 2 X 4 X 5 X 7 X 6 X 8 X (Also FEEs on own pair) No difference to rates Multimeter voltages for last socket of PSU1 (paired with aida04): 1 : 6.02 V 2: 6.02 V 3: 6.02 V 4: -6.44 V 5: 7.74 V Similar on PSU2 Voltage between right (GND) pin 5 and 1 (pin 5 is COM) is -0.4 V, similar if pin 4 is COM. Pin1-3 are 0 V when paired
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