Several months ago I posted about the annoying problem of a high frequency 'whine' when using the scroll wheel on my basic Logitch optical mouse to scroll through documents. Well, tonight, I noticed ...

The proliferation of wireless transceivers in portable applications has led to increased attention to an electronic circuits’ ability to operate in the vicinity of high frequency radio transmitters.

I have a pair of speakers with S/PDIF and analogue input. The sound have been working fine from the S/PDIF out of the motherboard. I have set the line-in to listen mode so the S/PDIF stay on. The PC ...