 Thu Aug 15 14:09:39 2019, NH, AIDA Waveforms 10x
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Noise seemed less strong today, unsure of cause. I had re-taped snout as tape was not sticking well.
Figures 1-4: Waves for all 4 FEEs connected to the DSSD
Figures 5-8: Zoomed in on region 400-600 |
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Thu Mar 21 13:59:08 2019, NH, AIDA Water
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The AIDA water system has been repaired and not leaking.
The interlock did not light immediately, but power cable reconnected to box and now it works.
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Mon May 2 13:08:49 2022, NH, AIDA Updates 2 May
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The snout endcap has been sealed with new copper tape over the red tape
Observe significant drop in leakage current on DSSD #2 down to 7 uA (about 0.5 uA above DSSD #1) as it looked when the black cloth was on
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 Tue May 3 14:15:17 2022, NH, AIDA Updates 2 May
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PAUSE/RESUME stats are dominated by 2x FEE64s - aida07 and aida16
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Fri Dec 16 14:02:12 2022, NH, AIDA System off for christmas break
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| The AIDA NIM crate, pis and workstation have been powered off for the Christmas break and will not be accessible |
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Mon Feb 1 15:19:07 2021, NH, AIDA Status Feb 2021
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01.02.2021 - Four new sets of PSU, HDMI & Ethernet cables were ran from the DESPEC rack to the AIDA frame, in preparation for 4 new FEE64s.
A new 7 port USB hub has also been placed for the last few serial connections.
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Sat Feb 6 10:45:55 2021, NH, AIDA Status Feb 2021
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> 01.02.2021 - Four new sets of PSU, HDMI & Ethernet cables were ran from the DESPEC rack to the AIDA frame, in preparation for 4 new FEE64s.
> A new 7 port USB hub has also been placed for the last few serial connections.
>
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Fri Mar 22 13:32:55 2019, NH, AIDA Startup @ 22.03.2019
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FEEs have been on this morning, temperatures attached
Leakage current attached
the DSSD is attached to the following AIDA modules: |
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Wed May 22 20:10:19 2024, NH, CC, HMA, MV, ZC, KZ, AIDA Snout Remounted 9x
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AIDA and the Snout have been remounted in S4
I had a check of the AIDA connectors and all looked good, the kapton PCB connectors were sitting comfortably above the interstage and I saw no stressed/loose |
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Tue Aug 30 13:48:32 2022, NH, AIDA Single Switch Configuration
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The second switch was moved back to CARME so AIDA has been configured back to using a single switch
aida02/aida04/aida06/aida08 updated back to first switch as per https://elog.ph.ed.ac.uk/DESPEC/433
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Wed Mar 20 15:35:10 2019, NH, AIDA Setup @ GSI
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Currently
- 1 DSSD and Plastic is in the AIDA snout, which is not mounted
- The FEEs are offline due to a water supply issue, this will be repaired early 21/03/2019 |
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Mon Feb 22 18:18:47 2021, NH, AIDA Rates/Situation 8x
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The ground cable (LEMO00) in aida07 was disconnected, it has been reinserted and the waveforms now look good.
(All data below taken with thresholds 0xA for all)
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Sat Feb 27 12:47:57 2021, NH, AIDA Rates/Situation 10x
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Updated figures as of 27 Feb 2021 - S4 is now closed for experiments but may open on Wednesday.
Snout has been grounded and all FEEs are seemingly grounded properly.
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Mon Apr 8 10:23:16 2024, TD, JB, AIDA Noise optimisation 30x
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In the morning we reinstalled FEE64s aida06, aida13, aida07. The rails of the FEE64 boards were found to be incorrect (that of the rails that were used
in CARME).
After replacing the rails on the abovementioned FEE64s we powercycled AIDA and found the following results in the histograms and statistics. |
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Fri Mar 4 08:40:36 2022, OH, NH, AIDA Noise and grounding tests 3rd March - Results 9x
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Grounding implemented
Each FEE given direct connection to heavy duty earth bar via adaptor board lemo ground
Earth bars
are then connected to platform ground on AIDA frame
Photo of grounding - attachment 1
Improvements not as large as expected from
previous experience though
Particularly in the n+n side where widths still appear awful
While implementing the |
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Thu Mar 3 08:45:03 2022, OH, NH, AIDA Noise and grounding tests 3rd March 8x
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Pulser spectra
Changes to the nn pulser circuit yesterday have improved the peak widths on the p+n side
p+n peak widths
averact around 100 channels
n+n around 1000 at 0xa threshold
n+n 1.8.L spectra - attachment 1
p+n 1.8.L spectra attachment
2
p+n peak widths
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Mon Jan 20 14:01:23 2020, NH, AIDA Noise 20.01.2019 6x
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> Checking noise
>
> DESPEC crate entirely offline except:
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Fri Feb 14 12:50:29 2020, NH, AIDA Noise 14.02.2020 6x
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Electricians changed the grounding for the DESPEC platform to a large pillar that goes deep into soil
Change in grounding was apparently successful at reducing the noise complaints in Cave C (R3B)
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Wed Jan 15 14:53:41 2020, NH, AIDA Noise 14.01.2019 6x
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Checking noise
DESPEC crate entirely offline except:
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Wed Oct 20 13:26:08 2021, NH, OH, AIDA Noise + Filtering 6x
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Turn on AIDA (SL6) to investigate noise situation and impact of new RC filters on bias input
Current setup:
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