Brendan Moran wrote: > I view average power as just that: the average, or DC component. The sum > of the powers divided by the period of the waveform. That is what average > means. I see RMS power as the RMS voltage^2 divided by the load. If you define your terms rigorously, and work out the math correctly, you'll find that these are always exactly the same thing. > I think that about clears things up. Oh, and yes, everyone else I've > ever talked to about this has the same definitions of average and RMS > power as I do. I guess I shouldn't assume that those are universal. I guess you've been hanging out with a bad crowd... ;-) -- Dave Tweed -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.