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