In Reply to: Re: EMI posted by John Swenson on February 9, 2007 at 13:54:35:
Can you name the four PCs (or types of cases) that you tried? It will be interesting to build a repository of good and bad PC designs for future reference.Do the EMI spectrum change much across models?
My understand (but I'm not sure why) is that there is "good" and "bad" EMI and techniques like spread spectrum can convert "bad" EMI to "good" EMI without necessarily reducing overall level. Kind of like good and bad cholesterol I guess.
I'm surprised that you did not get a lot of EMI from the cables, particularly the ribbon cable you were using for the I2S.
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Follow Ups
- Interesting - Christine Tham 19:23:43 02/09/07 (0)