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EMI question RE: case materials

post #1 of 5
Thread Starter 
Just wondering if anyone has any technical info/insight into the importance of PC case material effect on EMI.

I know there are 100% acrylic cases so obviously it must not be a critical issue--but my question is: does a steel case provide some benefit over aluminum or acrylic RE: EMI effects on stability.

Is EMI even an issue?

ANd a related question I have: is it necessary to have all the components on a common ground (usually provided by the case itself) or can they be mounted on a non conductive surface?

I have just built a case entirely of wood and am concerned that I may need to line it with thin steel or aluminum and mount all the hardware so that it is grounded to provide the ideal EM environment for maximum stability.

THanks in advance for your replies

CyberD
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post #2 of 5
Your fine, as with any other case, its always grounded by the power supply with its ground attached to the wall-outlet.

EMI, as long as you don't have unshielded speakers right next to it you should be fine.

(search shielding in my name, and you'll find I had like 30-threads made like it back when I was trying to make a wooden case, lol.)
post #3 of 5
Thread Starter 
Should have guessed...cool beans!
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post #4 of 5
Yeah, you should be alright, eliminate any source of EMI altogether, like Shawn said, unshielded speakers, any sorts of electromagnets nearby, etc. Luckily, I'm building my TechStation out of 1/8" thick aluminum plate No worries about EMI there!
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post #5 of 5
Thread Starter 
Wood's a lot easier lol--just wanted to check that out--since I notice the mobo seems to have little grounding lugs on the PCB around the stand-off holes.

Thanks! And the Tech Station is looking sweet.
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