[hpsdr] Pandora question
George Medakovich
George at Medakovich.com
Wed Mar 4 16:50:48 PST 2009
I've been wondering about this for my own enclosure, which is based on
an old full-height hard disk cabinet.
Just a historical note: the IBM 5100 desktop computer that was marketed
in the
mid-1970's used a foam pad to cushion the boards. In this case it was
on the
bottom of the cabinet and the boards were mounted on a frame that
flipped over
for access.
George Medakovich, ae5ci
John Ackermann N8UR wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> Sorry, Alexander, but we don't have those details finalized yet as we
> are just now bending sheet metal for the first (factory-produced)
> prototypes. We're looking at some sort of adhesive-backed foam strip,
> but the thickness will depend on the actual fit once we get things put
> together.
>
> Foam is really the only option as a metal retaining bracket (which was
> our first thought) would result in shorts or mechanical interference;
> several of the boards do not have enough component top clearance for
> that. Even a plastic bracket would have mechanical clearance
> problems, along with probably being prohibitively expensive to
> fabricate for our small volume.
>
> John
...
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