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For original documentation see MuCap Webpage (detectors and DAQ).

Here is an update for MuSun.

Chamber geometry

  • Anode side



  • Cathode side




upper left: cathode preamp
lower left: anode preamp
right: readout board




Anode card is N. Bondar's design for CMS, see ePC frontend


Cathode card is G. Petrov's design based on STAR chip, ePC frontend

Unfortunately, we have little documentation of the cathode electroncs.

  • From Genna we only have the Gerbers of the board not the schematics. Sasha will get that from Genna.
  • The LBL SM-SAS chip, if a modfied version of the LBL SAS Star TPC chip, which discharged with a resistor, not with forced reset. The standard SAS version is discussed in SAS paper. The pinout of the cable driving the preamp power, threshold and pulser is documented in compressor_sch.pdf.
  • Update 10/25/2010: Urs Greuter provided us with the schematics. The pcad file is not up-to-ddate (not the produced version). See directory.

  • bot.png:


  • top.png:

Logic readout board

Designed by Louvain (R. Prieels et al). Louvain compressor.
All design info we have is documented here.

Topic attachments
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PDFpdf 00507158.pdf r1 manage 742.5 K 2010-10-21 - 15:14 PeterKammel  
JPEGjpg Dscn0326.jpg r1 manage 225.6 K 2010-10-09 - 14:12 PeterKammel  
JPEGjpg Dscn0328.jpg r1 manage 219.1 K 2010-10-09 - 14:12 PeterKammel  
Unknown file formatJPG P1030632.JPG r1 manage 2352.3 K 2010-10-09 - 14:21 PeterKammel  
Unknown file formatJPG P1030635.JPG r1 manage 3003.8 K 2010-10-09 - 14:21 PeterKammel  
PNGpng bot.png r1 manage 125.6 K 2010-10-10 - 23:33 PeterKammel  
PDFpdf compressor_sch.pdf r1 manage 3133.3 K 2010-10-21 - 15:17 PeterKammel  
JPEGjpg img_1462.jpg r1 manage 149.4 K 2010-10-09 - 13:59 PeterKammel  
JPEGjpg img_1466.jpg r1 manage 186.0 K 2010-10-09 - 14:01 PeterKammel  
PNGpng top.png r1 manage 189.9 K 2010-10-10 - 23:33 PeterKammel  
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Topic revision: r4 - 2010-10-25 - PeterKammel
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