On Thu, May 5, 2011 at 3:55 AM, V G wrote: > On Thu, May 5, 2011 at 3:35 AM, Richard Prosser wro= te: >> My guess would be a power supply component. Either an inductor, or a >> capacitor. I recently fixed background buzz in a product by changing a >> ceramic power supply cap to a film type. The ceramic cap was vibrating >> and this was being picked up bu the microphone and degrading the snr. >> I have seen this sort of thing in inductors more often however. >> >> You can probably locate the source by using a short length of plastic >> tube. Sickk one end against your ear and move the other around the >> likely components. > > I'll go get a straw. time for a late night snack at Mickey D's. Anyway, is this going to be a problem of any sort? Other than the minor annoyance? (I have very sensitive hearing) --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .