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Status of Readout Boards and Gas Monitor. Craig Woody BNL. Upgrade Working Group July 18, 2006. Schedule for Readout Boards. More than half of the boards (10/16 for each side) have been fabricated. Remaining boards should be finished by Friday.

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Status of Readout Boards

and Gas Monitor

Craig Woody

BNL

Upgrade Working Group

July 18, 2006

schedule for readout boards
Schedule for Readout Boards
  • More than half of the boards (10/16 for each side) have been

fabricated. Remaining boards should be finished by Friday.

  • One board of each type has been stuffed by the stuffing house and

tested at BNL. Both work fine. Stuffing of remaining 9 of each started

on Monday and will be ready on Thursday (7/20). Remaining boards

will be finished about a week later.

  • Feed through connectors will be added at BNL and then tested.

Test fixture being constructed to speed up testing (expect to take

~ 1 hour/board).

  • Gluing procedure for rohacell has been tested and works. Boards

will be glued after testing. Rate will be 4/day. Expect first boards to

be ready to send to Stony Brook ~ 7/26

  • Will construct fixture to help facilitate installing boards on back of

detector.

C.Woody, HBD Working Group Meeting, 7/18/06

final readout board
Final Readout Board

First RHS board (IO1260)

Mfg: RD Circuits

C.Woody, HBD Working Group Meeting, 7/18/06

test pulse distribution
Test Pulse Distribution

M.Rumore

C.Woody, HBD Working Group Meeting, 7/18/06

gas monitor
Gas Monitor
  • Gas Monitor arrived at BNL 7/6. Looks good !
  • Have begun setting up Labview controls of spectrometer grating

and current switch for picoammeters.

  • Other parts (phototube housings, windows, test cells, etc.) are being

fabricated. Some are already finished, some will be ready within a

week or two.

  • We have decided to add a small turbo pump to the spectrometer and

mirror box. This will allow us to measure the gas transmission relative

to vacuum rather than argon. With a relatively small modification to

the gas lines for the argon, can also pump on test cells for calibration

for vacuum transmission.

  • Estimate ~ one month to complete entire system.

C.Woody, HBD Working Group Meeting, 7/18/06

gas transmission monitor
Gas Transmission Monitor

C.Woody, HBD Working Group Meeting, 7/18/06

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