Difference between revisions of "Aug 25, 2011 SiPM Electrical and Cooling"

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# Action Items
 
# Action Items
 
# Schedule, reporting, and manpower (Elton)
 
# Schedule, reporting, and manpower (Elton)
 +
#* Updated the EVMS
 
# SiPM testing (everyone)
 
# SiPM testing (everyone)
−
#* Light source / optics
+
## Light source / optics (Carl)
−
#* Electronic boards
+
##* Hall A has finished with the dark box
−
#* Cabling
+
##* Start to construct the reflective surface
−
#* Cooling plate
+
##* Move light source from original testing site to EEL and other required components
−
#* Other?
+
##* Elton: Would like to keep the existing setup in tact for sample testing of individual SiPMs before production test setup is operational
 +
##* Need to purchase key elements
 +
##* Yi: Software for one QDC must be expanded to multiple boards
 +
## Electronic boards
 +
##* Should add test points to measure the voltage bias on each SiPM (for the test setup but also on the Bcal module)
 +
##* Power supplies: Received chassis and PS for +/-5V. Expecting PS for bias soon. Hovanes will also use the supplies to begin programing slow controls
 +
##* The readout boards were sketched by Fernando on the white board. He plans to begin layout next week. Gain will be 66, as it was for 16-channel preamps for testing first articles.
 +
##* Expect readout boards the second week in October.
 +
##* Pulse generator is needed. Fernando will order.
 +
## Cabling
 +
## Cooling plate
 +
## Other?
 
# Mechanical (Jim)
 
# Mechanical (Jim)
 
# Mechanical drawings (Chuck)
 
# Mechanical drawings (Chuck)

Revision as of 17:32, 25 August 2011

Action Items from previous meetings

  1. Add hardware voltage limits to bias circuit (Jack) Investigation in progress
  2. Investigate whether there is sufficient room to add an additional layer to the electronics at the inside of the Bcal (Fernando).

Tentative Agenda

  1. Announcements
  2. Action Items
  3. Schedule, reporting, and manpower (Elton)
  4. SiPM testing (everyone)
    • Light source / optics
    • Electronic boards
    • Cabling
    • Cooling plate
    • Other?
  5. Mechanical (Jim)
  6. Mechanical drawings (Chuck)
  7. Geometry (Elton)
  8. Temperature compensation (Jack)
  9. Preamp-summing (Fernando)
  10. Granularity (Elton)

Minutes

Attending: Carl, Chris, Jim, Chuck, Yi, Elton, Jack, Eugene, Fernando

  1. Announcements
  2. Action Items
  3. Schedule, reporting, and manpower (Elton)
    • Updated the EVMS
  4. SiPM testing (everyone)
    1. Light source / optics (Carl)
      • Hall A has finished with the dark box
      • Start to construct the reflective surface
      • Move light source from original testing site to EEL and other required components
      • Elton: Would like to keep the existing setup in tact for sample testing of individual SiPMs before production test setup is operational
      • Need to purchase key elements
      • Yi: Software for one QDC must be expanded to multiple boards
    2. Electronic boards
      • Should add test points to measure the voltage bias on each SiPM (for the test setup but also on the Bcal module)
      • Power supplies: Received chassis and PS for +/-5V. Expecting PS for bias soon. Hovanes will also use the supplies to begin programing slow controls
      • The readout boards were sketched by Fernando on the white board. He plans to begin layout next week. Gain will be 66, as it was for 16-channel preamps for testing first articles.
      • Expect readout boards the second week in October.
      • Pulse generator is needed. Fernando will order.
    3. Cabling
    4. Cooling plate
    5. Other?
  5. Mechanical (Jim)
  6. Mechanical drawings (Chuck)
  7. Geometry (Elton)
  8. Temperature compensation (Jack)
  9. Preamp-summing (Fernando)
  10. Granularity (Elton)
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