SoLID DAQ » SoLID preRD

h1. December 10th 2020

* Ecal discussion

** DAQ running

** working on decoder to look at data

** will try PMTs from Alexandre to test preshower which is noisy

** Jixie plan to book the truck and lodging for beginning of year

** trying to find an adapter for MAPMT too

** David and Jixie will evaluate expected rates for different energies

* Updates

** VMM 

*** Ben helped Ed for code for 1 gigE on developement board - know what to change to get it working - trying to get it done before Christmas break. Software from Ben available to read out data with a computer 

*** migration from 12 to 128 channels : could try 10 gigE link - can use 10 gigE directly since it is backward compatible

*** will look at how to put board on detector and take data with source

*** layout work with Jeff - will meet with Gianluigi at some point to have look on new design

** APV

*** still simulation - can saturate VME bus in VME2eSST - and focusing on SBS TEDF setup for testing later 

*** will switch to VTP code after ( in January for FADC first and after SSP for MPD readout )

*** optical to VTP board for middle of December - can use the VTP front panel - 

*** Xinzhan - was able to run the code to generate threshold - 

** FADC 

*** FADC code done and ready to be tested for VXS readout 

*** TI oscillator at 50 MHz 

*** summary from Hanjie https://redmine.jlab.org/attachments/download/1116/FADC_dt3%20(1).pdf - dead time fairly low at 20 to 30 KHz - need to increase buffer size to use higher event blocking factor - will also test measuring asymmetries - need to think best way to generate the assymetry