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September 17th 2020 » History » Version 4

Alexandre Camsonne, 09/17/2020 04:01 PM

1 1 Alexandre Camsonne
h1. September 17th 2020
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* Updates
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** VMM3
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*** prototype : going with larger package for FPGA 95 % certain, has extra IO bank, power and ground assignement next big tasks, several voltages to divide, use model from USTC.
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*** evaluation : direct readout, cables done for plugging to FPGA eval board, will test first with current firmware
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*** testing procedure VMM3 : test on wafer, from presentation yield was 72 %
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*** GBT chips order : 35 $ (1 per board, mininum 4 board , have 4 on hand) , fiber optic module plug-in 
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*** Ethernet can be used but not very rad hard
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*** eval board : could see data from board 
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*** RD51 : 
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** APV25 : 
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*** INFN clean room: Bryan looking at how many triggers can be received, SSP processing time quite slow right now. Test with different buffer level, need simulation of MPD to test what is happening.
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Common noise code ready to be set. Right now running 200 Hz need to optimize trigger rules expect 5 KHz if VME is not  bottle neck. 
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*** Optical adapter should be ready in next few week, ask for quotes : 4 MPDs per board 
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** UMass test stand : not use _ in CODA names
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*Write-up : 
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** update VXS 
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** Milestone E : May 2020 - need update
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** MAROC