I am not Jim but if you are asking for the math based reference for square waves…
http://en.wikipedia.org/wiki/Square_wave 73, phil, K7PEH > On Apr 27, 2015, at 4:42 PM, Michael Zolno <[email protected]> wrote: > > 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] ______________________________________________________________ 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]
