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Old July 7th 09, 09:14 PM posted to rec.radio.amateur.homebrew
stan stan is offline
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First recorded activity by RadioBanter: Mar 2009
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Default Use old microwave cabinets?

On Jul 7, 5:21*am, Paul Keinanen wrote:
On Tue, 07 Jul 2009 02:28:35 GMT, "Paul P" REMOVE paul @ REMOVE

ppinyot . REMOVEcom wrote:
I can think of one use if the shields/seals are intact. *As a prototype RF
"silence" cage for testing noisy or low noise amps and such. *


This may be of interest if you are building 13 cm equipment, but since
the seals are usually resonant traps tuned to 2450 MHz, the
attenuation on other frequencies can be quite low.

Paul OH3LWR


Paul: That's interesting 2450 megs being around 12.2 centimetres
wavelength????
I'd alway thought they were just some sort of RF seal along edges of
the case!
Never thought about that whie repairing several except to get the
seals correctly back in place.
Thanks for the comment.
However my original thought was that an old microwave; because
frequently dumped when they go wrong due to a) Cost of labour, skills
and tools are needed for repair, and b) New ones can be bought
cheaply; is a ready made cabinet for some home brew project?