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Fw: Re: Collaboration meeting for GleX electronic

Attached is the preliminary topics list
HI
 John and myself have been asked to coordinate the electronics for the GlueX
Experiment. Part of this task is to present updates to the Gluex 
Collaboration Meeting March 29th at JLab. In order for us to do this we need 
the support of the people involved with the different electronic projects and 
input as to the status regarding progess, areas that haven't been covered, 
areas that are lagging behind that might require more manpower or funding 
and set priorities.
 In order to be more prepared I would like as many as possible of the people  
involved to come to a perliminary meeting at JLab on March 28th at 1:00PM 
for a discussion of the GlueX electronics. 
 I would also like as many people as possible to come to the Collaboration 
Meeting March the 29th at 4:15 and be prepared to respond to questions 
related to their projects
We are providing a list of areas that I think should be on the list and 
other people may want to add to the list. 
Let me know if there are other names that should be included.
Lars Holm

Lars Holm             Office: 780-492-5426
Department of Physics,   FAX: 780-492-3408
University of Alberta  email: lars@phys.ualberta.ca
Edmonton, Alberta, CANADA     T6G-2N5

John Schaapman                   Ph: 780-492-3043
Centre for Particle Physics     Fax: 780-492-3408
CEB-158
Mailstop #615
University of Alberta            
Edmonton, AB
CANADA       T6G 2G7

Lars Holm             Office: 780-492-5426
Department of Physics,   FAX: 780-492-3408
University of Alberta  email: lars@phys.ualberta.ca
Edmonton, Alberta, CANADA     T6G-2N5
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Drift Chamber Preamp ASIC and Daughterboard \par - update on ASIC development \par - first batch - MOSIS submission {\*\xmlopen\xmlns1{\factoidname date}{\xmlattr\xmlattrns0{\xmlattrname Month}{\xmlattrvalue 4}}{\xmlattr\xmlattrns0{\xmlattrname Day}{\xmlattrvalue 9}}{\xmlattr\xmlattrns0{\xmlattrname Year}{\xmlattrvalue 2007}}} April 9, '07{\*\xmlclose} \par - when are chips available? \par - Discus}{\f1\fs20\insrsid13789247 s}{\f1\fs20\insrsid13789247 ion - ASIC next version \par - x 5 gain - pin select for FDC cathode readout \par - discriminator - pin select for FDC anode readout \par - do we want one}{\f1\fs20\insrsid13789247 }{\f1\fs20\insrsid13789247 shot or time over threshold output? \par }{\f1\fs20\insrsid13789247 - timeline for develop}{\f1\fs20\insrsid13789247 ment and production? \par - FDC daughterboard - space and thermal constrains etc. \par \par 2. fADC100 - update IUCF \par - discussion - number of channels - input connectors \par \par 3. Constant Fraction Discriminators \par - commercial units - where would they be good enough ? \par - custom fast CFD - where are they needed? \par \par 4. Jlab fast electronics \par - update on F1TDCs \par - update on fADC250s \par - description of energy sum/track count function provide \par by the fADC250 module \par \par 5. Summing module (VXS) \par - how is the energy sum/track count expected to be handled? \par - what else is provided/needed in this module? \par \par 6. Trigger module (VXS) \par - what is provided/needed in this module? \par \par 7. Clock Distribution discussion \par - what frequencies are required? 250 and 100 MHz? \par - what jitter levels are acceptable for the various applications \par - what are the skew requirements between modules \par and systems? \par - how will this skew be measured and corrected for? \par \par 8. Master Trigger discussion \par - distribution - what feeds into it and where is the trigger signal \par needed? \par \par 9. Calibration System discussion \par - what is it supposed to accomplish? \par - how can this be done? \par - How is it controlled/distributed? \par - how much skew is allowed for the various systems \par and how is it corrected for? \par \par 10. Cabling issues discussion \par - FDC cable type - connectors \par - layout priorities - which need to be shortest \par due to signal quality, timing or cost? \par \par 11. Signal splitters \par \par \par \par \par \par }}