On Tue, 05 Dec 2006 17:56:09 +0100, Ted Bruce KX4OM <
kilocycles@...>
wrote:
> Often certain portions of a circuit board need RF-tight shielding.
> The following is a link to an article that appeared in EDN magazine
> that describes the use of Hammond die-cast boxes and their tops to
> shield a defined section both sides of a 2-layer board.
> While the example shows a resistor bridging the ground trace through a
> cutout in the box, RF circuitry may require a feedthrough capacitor
> and a hole in the shielding box.
> Here's the URL:
> <http://www.edn.com/article/CA379888.html?spacedesc=designideas&industryid=44217>
> Regards,
> Ted
that's nice, thanks!
I was already thinking about using hammond boxes inside devices for
shielding, instead of the classic snap-together sheetmetal cage, but this
may be useful sometime.
ST