AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40
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Message ID: 142     Entry time: Wed Jan 20 12:00:19 2016
Author: CG, TD 
Subject: Wednesday 20 January 2016 
11.58 Repeat yesterday's test - no significant change observed

nnaida11 - input -, shaping time 2us - attachment 1
nnaida14 - input +, shaping time 2us - attachment 2


15.20 invert input polarity - no significant change observed

nnaida11 - input +, shaping time 2us - attachment 3
nnaida14 - input -, shaping time 2us - attachment 4

Note - nnaida11 1.12.L pulser peak width ~45 ch FWHM (integrate)

Test conducted yesterday and today suggest that it is the grounding and/or
the AIDA adaptor PCB that is significant - *not* the particular LH coupler
+ 2x 34-way ribbon cable + 3M 1245 Cu foil screen assembly or FEE64 polarity

Current AIDA adaptor PCB configuration
nnaida11 rev C, LK1 fitted
nnaida14 rev B, no links fitted


15.37 Add LK1 to nnaida14 AIDA adaptor PCB - no significant change

nnaida11 - input +, shaping time 2us - attachment 5
nnaida14 - input -, shaping time 2us - attachment 6
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Attachment 3: 7.png  5.682 MB  Uploaded Wed Jan 20 15:21:12 2016  | Hide | Hide all
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