From: Lubomir Djambazov [Lubomir.Djambazov@cern.ch]
Sent: 01 September 2005 11:00
To: Anthony brian Lodge; c.h.shepherd-themistocleous@rl.ac.uk
Cc: Dave Cockerill; Werner Lustermann
Subject: EE M.Board

Attachments: Prot Diode Package SOD323.pdf; MB_EE Coax.pdf; MB_EE
Twisted pairs.pdf

Dear colleagues,
In those attachments please,find 2 version of EE M.Board:

  1) Coax.
-cable     -Coaxial cable Type Farnell 149 - 071
Coaxial type RG178PE (from Tony Lodge)
-Connectors -> http://www.deltarf.com/MMCXContent.asp
already in discussion for special rad.hard version

  2) Twisted Pairs
-Cable -> any of (26 AWG single shielded twisted pair) one of the possibilities http://www.gepco.com/products/pdfdownloads.htm
Flexible 110? Digital Audio
Jacket type  PVC
there are other like...LEONI High Speed Cables Belden,HUBER+SUHNER...
-Connector
http://www.jst-mfg.com/ProductGuideE/EZH.html
SM3 type (withsolder tabs)Top entry type

in the PCB I've used package
SOD323 ESD protection diodes
Philips Semiconductors PESD5V0S1BA/BB/BL

For production of EE Mother Board
------------------------
      104(mm) X 108(mm)

      6-Layers Board
      Material FR4
      Thickness 1,6mm
      Copper(outer Layers) 70 micron ??
Only possible if distances on the pcb is ~180 micron
      Copper(inner Layers) 105 micron
      Copper through hole
      Solder Mask
      SMD Components both sides

      No Top    overlay
      No Bottom overlay

      Finish
      galv. Au (Only for final version)

      Electrical control
-----------------------


I'm away next 2 weeks, then we can
continue with procurement for all materials.
Any comments  are welcome!
Best regards,
Lubo