Jim, Can you point to a math based reference for this. I am curious (really). Any other non math based is appreciated as well if not immediately available.
All my best, Mike WH6YH Sent from my iPad >> On Apr 27, 2015, at 7:51 AM, [email protected] wrote: >> >> On Sun,4/26/2015 10:33 PM, Vic Rosenthal wrote: >> Sharpening the envelope is harmonic distortion, not IMD. I think. > > Nope. It's a bunch of square waves, and any square wave is composed of > an infinite series of harmonics. Those frequencies are present in the > drive signal (from small signal circuits to power amp circuits, whether > in the rig or in a power amp), and if either is non-linear, distortion > is produced. > > It's important to realize that ANY non-linear element produces both IMD > and harmonics -- indeed, in-band IMD is the result of the mixing of > harmonics in a non-linear circuit. Quantities like IMD and THD are > simply different ways of quantifying the distortion produced by > non-linear devices! > > 73, Jim K9YC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
