AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
AIDA
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Sat Mar 29 12:31:00 2025
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<p> <table width="98%" align="center" cellspacing="1" style="border:1px solid #486090;"> <tbody> <tr> <td cellpadding="3px" style="background-color:#486090; font-weidht:bold; color:white;">Quote:</td></tr> <tr> <td cellpadding="10px" style="background-color:#FFFFB0;"><p>Powered on system ok.</p> <p>Electrical connection between crate and mezzanines still persists, but only to the top cool plate (no connection to the bottom or sides), eith resistance ~5-10 ohms</p> <p>Seems to have no effect on performance though as without the kaptons connected, still see pulser widths of ~14ch at t_shape = 8us.</p> <p>Connecting cables reinstates double peaking in n-side.</p> <p>Without HV or detector connected, nnaida13+14 gibe single Gaussian peaks of width ~45ch, with almost perfect waveforms.</p> <p> - Patrick saw this too, I'm not going crazy, but on zeroing histograms (didn't change a single other thing) it went back to having double peaks again.</p> <p>Replaced nnaida13 shielded kapton with unshielded one to see if that is causing this effect</p> <p> - still see double peaking but width of tallest peak is down by ~25% (likely just due to capacitance)</p> <p>With shielding on, do see much noisier waveforms however.</p> <p> - note: attachments 1 and 2 were taken using exactly the same threshold of 512. When shielded, bumping this up to 1000 still made little difference and 'actual' traces were only caught ~25% of the time</p> <p>Changed firmware to V8.</p> <p>No difference in performance.</p> <p> </p></td> </tr> </tbody> </table> </p><p> </p>
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