IntegrationDaq 210507

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Meeting information

 Meeting time:  3:30pm Eastern
 
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Agenda

• Activity updates
• General discussion

Minutes

Recording on Bluejeans.com: [1]

Participants: W. Gu, B. Moffit, M. Gericke, R. Michaels, J. Pan, B. Blaikie, B. Shaw, D. Bishop

• Discussion of whether to buy just the SOM units for the prototypes or all that we expect to need
  • Daryl makes the point that the SOM (and the ADC) are the critical components of the design. If we needed to change anything else on the board it would be straightforward, but that the SOM and ADC are basically inflexible
  • Bob expresses concern that buying more than we need for the prototypes is a bit of a gamble, until we have been able to demonstrate that the SOM works for us. Daryl and Bryerton
  • Bryerton asks if the TI firmware has been ported to a Xilinx Ultrascale+ FPGA
    • Bryan says that the TI-pcie boards use an Ultrascale+
  • The general sense is that Michael should go ahead with the SOM (and ADC) purchases for all the units needed for everything we plan to build
• Discussion that we should start to think about the cooling for the full integrator unit
  • The SOM is probably 7-10 W, with about 5W for the other components. Something like 15W in total
  • Michael will try doing a CFD for the air flow
• Daryl asks if a TI-pcie has been located; William says not yet
  • Discussion of sending them a VME TI instead
    • William thinks he has one that could be sent
    • Bob will coordinate with William to have it shipped
    • Once Daryl and Bryerton have identified the VME controller they'll use, they will let Bryan know to have the TI software ported to that controller
• Jie has been working with the switching base
  • There was a mistake on the base PCB that had the counting mode signal coming from one of the dynodes instead of the anode.
  • After correcting that, the gains are about 10^6-10^7 with 1kV to 1.5kV applied to the tube