Even harmonics are caused by asymmetrical nonlinearities, odd harmonics by symmetrical nonlinearities.
Peter Am Sonntag, 18. September 2016 schrieb Magnus Danielson : > Hi, > > On 09/18/2016 12:26 PM, David C. Partridge wrote: > >> The local power is 50Hz, so I can understand the 100Hz spurs, but I don't >> quite "get" where the 200Hz spurs are coming from. Or is that just BAU >> harmonics? >> > > Consider full-wave rectification of 50 Hz, the power consumption load on > the capacitor after the rectifier creates an inverse sawtooth wave of 100 > Hz, and sawtooth waveshape have both even and odd harmonics. > > While much of this is regulated out in the next step, some of it makes it > though. > > Cheers, > Magnus > > >> >> Thanks >> >> Dave >> >> >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/m >> ailman/listinfo/time-nuts >> and follow the instructions there. >> >> _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.