Nope, but if you still can't find anything else, take a look at
www.scilab.org, which is a free version of MatLab.  It can
do things with FFT and so forth, but would require a good
working understanding of the math involved, so it isn't
what I would call a "turnkey" solution.

Mike H.

>Hello Mike,
>
>       Simply a simulator where I can define a perdiodic waveform and
>       it calculates the harmonic content of the signal...
>       It4s to evaluate a filter and a PWM signal.
>       Any ideas ?
>
>MH> I'm not entirely clear on what it is you're looking for, but here's
>MH> a page that has a lot of test equipment-like software, mostly
>MH> using the sound card for input.
>
>MH> http://www.dazyweblabs.com/shannonsoft/page3.html
>
>MH> Mike H.
>
> >>Hello Piclist,
> >>
> >>       I4m looking for a Spectrum analyzer software (freeware) where I
>can
> >>define a periodic
> >>       waveform.
> >>       Is to analyze harmonics in waveforms.
> >>
> >>       Thanks in advance,
> >>                         Gus

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