DAQ Testing/20180729

Main Page - DAQ Testing - July 29th, 2018 Testers: Cameron and Chandan

Goals:

• Test HAPPEX and QWeak ADCs in All Parity DAQ for functionality and dynamic range
• Correct RJ45 cable in RHRS placement

Testing ADCs

We will test the available ADCs in the hall first, since our access to HRS huts may be restricted during the week

Testing LHRS ADCs

• Calibrate 12 and 16 bit DACs
  • 12 Bit DAC on LHRS
    • Level = 400 -> Voltage = 0.97V
    • Level = 800 -> Voltage = 1.95V
    • Level = 1200 -> Voltage = 2.92V
    • Level = 1600 -> Voltage = 3.90V
    • Level = 2000 -> Voltage = 4.88V
    • Level = 2100 -> Voltage = 5.12V
    • Level = 2400 -> Voltage = 5.85V
    • Level = 2800 -> Voltage = 6.83V
    • Level = 3000 -> Voltage = 7.32V
    • Functional Voltage = 0.00244152 Volts/Level * Level Value -0.0063 Volts
  • 16 Bit DAC on LHRS HAPTB
    • Level = 400 -> Voltage = -4.92V
    • Level = 2000 -> Voltage = -4.69V
    • Level = 4000 -> Voltage = -4.39V
    • Level = 8000 -> Voltage = -3.78V
    • Level = 12000 -> Voltage = -3.16V
    • Level = 16000 -> Voltage = -2.55V
    • Level = 20000 -> Voltage = -1.94V
    • Level = 24000 -> Voltage = -1.32V
    • Level = 28000 -> Voltage = -0.72V
    • Level = 32000 -> Voltage = -0.11V
    • Level = 36000 -> Voltage = 0.48V
    • Level = 40000 -> Voltage = 1.10V
    • Level = 44000 -> Voltage = 1.71V
    • Level = 48000 -> Voltage = 2.32V
    • Level = 52000 -> Voltage = 2.93V
    • Level = 56000 -> Voltage = 3.54V
    • Level = 60000 -> Voltage = 4.15V
    • Level = 64000 -> Voltage = 4.76V
    • Functional Voltage = 0.000152338 Volts/Level * Level Value - 4.99066 Volts