[Halld-cal] Fwd: Additional BCAL readout layer (from Fernando)

[Elton Smith]

-------- Original Message --------
Subject: 	Additional BCAL readout layer
Date: 	Wed, 07 Sep 2011 01:26:09 -0400
From: 	Fernando J. Barbosa <barbosa at jlab.org>
To: 	Elton Smith <elton at jlab.org>
CC: 	Fernando J. Barbosa <barbosa at jlab.org>, Eugene Chudakov 
<gen at jlab.org>, Jim Fochtman <fochtman at jlab.org>



Hi Elton,

The additional readout layer (1-2-3-4 compared to the old 3-3-4) fits on
the board. The layout is tight on the inner section of the PCB but this
was expected.

The other good news is that I went ahead and performed the layout of
most of the board as this was necessary to fully determine the impact of
this addition. All the components had to be re-arranged due to this
addition and to the new cold plate/light guide and U-board cable assembly.

Best regards,
Fernando





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