CDC upstream end config

[Tim Whitlatch <whitey@jlab.org>]

Hello All,

Per our video conference this morning, the following was discussed;

Gary will continue to manufacture a 24 place upstream plate with proper 
geometries from "geometry C". this will give room for simulating worst 
case spacial considerations for assy. He will pursue the original type 
setup with 5.5 inch long cables max.

As a backup, Gary will manufacture an offset plate with the 24 holes to 
take the stress off the conductive rubber sleeve (per SLAVA)

Fernando, Gary followed up on the coax cables you suggested. They all 
seem to come without an outside insulating jacket. Is it possible to use 
these cables by keeping the braided shield at ground? Also, is it 
possible to use cable that is not rated for our high voltage by doing 
some tests?

I will pursue with Tom Carstens from Hall B about connector leaks on 
their drift chambers.

Yves will look at getting some extension pcbs made for testing Slava's 
ides per layout on 9-29-08. Can we get a connector made directly onto 
the HV board that would plug into this?

Thanks for your time,

Tim




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