Re: Little addition.
CBFalconer wrote:
> Just do a Fourier analysis. Well known results for square and
> triangle waves. This is why you can generate a sine from a divide
> by 6 counter and have no harmonics below the 5th in the output,
> apart from scaling resistor tolerances.
It was necessary for a selftest because I did't work before with
measuring THD. I already connect squarewave generator to THD metter
and check. Up to 30th harmonics looks like mathematics model. :)
.
Relevant Pages
 Re: FF sensors: is 80MP needed?
... the higher harmonics from a square wave without attenuating the ... harmonics below the cutoff point. ... way that eliminates all overshoot. ... (ie the ringing artifacts) ... (rec.photo.digital)  square wave harmonic theory (time domain)
... I'm trying to determine if the higher harmonics of a low frequency square ... KHz square wave all the way up at 100 MHz if I zoom into them on a spectrum ... (sci.electronics.design)  Re: FF sensors: is 80MP needed?
... the higher harmonics from a square wave without attenuating the ... harmonics below the cutoff point. ... way that eliminates all overshoot. ... The fourier transform of a signal which is of spatial extend ~D will, ... (rec.photo.digital)  Re: Thought provoking question for sound designers
... If you filter a sine, you get either the original sine, or nothing at all, depending on cutoff frequency. ... Conversely, you can in principle get a sine by filtering the other 3 waveforms to exclude the harmonics, assuming a sharp cutoff slope. ... Square is the most versatile since it has the most harmonics, ... All of the other wave shapes are filtered versions of a sine wave anyway, and with more than one sine wave I can do FM and additive too. ... (rec.music.makers.synth)  Re: square to sine
... I want to drive a coil using a sine wave.I used to use a 5th order ... filter from Maxim for the conversion of square wave(1khz which is ... 1KHZ sine wave.So i used to generate 1KHZ and 125khz square wave from ... (comp.robotics.misc) 
