[sdiy] CMOS Saw to Triangle Waveshaper (corrected URL)

[John L Marshall]

Doesn't the triangle fall at a squared rate? Doesn't the phase invert every
other odd harmonic? -3f/9+5f/25-7f/49

John

----- Original Message -----
From: harry <harrybissell at prodigy.net>
To: <music.maker at gte.net>
Cc: <synth-diy at dropmix.xs4all.nl>
Sent: Sunday, November 04, 2001 12:15 PM
Subject: Re: [sdiy] CMOS Saw to Triangle Waveshaper (corrected URL)


> Hi Scott:
>
> Nice circuit by one small error... Triangle wayes do not have even
harmonics
> they have only odd, like square waves.
>
> Sq wave = F +  (1/3  3F)  +  (1/5 5F)...
> Tri wave = F +  (1/6  3F)  +  (1/10  5F)....
>
> Same harmonics but they fall at twice the rate.
>
> I got fooled by the dead link as well...
>
> I'll have to try it... looks nice  (I'll go expo version...)
>
> H^) harry
>
> Scott Gravenhorst wrote:
>
> > Ah Krap!  That's a link to the local copy here.
> >
> >
http://home1.gte.net/res0658s/TekLab_FatMan_WebSite/VCO_pwm_tri_suboctave.ht
ml
> >
> > is the internet link.
> >
> > Sorry for the confusion.
> >
> > KA4HJH <ka4hjh at gte.net> wrote:
> > >Scott:
> > >
> > >Is this link correct? I get a "no such server error" and that doesn't
look
> > >like a normal domain name to me.
> > >
> >
>>http://linux6/RemoteWebsites/gte/TekLab_FatMan_WebSite/VCO_pwm_tri_subocta
ve.html
> > >--
> > >
> > >Terry Bowman, KA4HJH
> > >"The Mac Doctor"
> > >
> >
> > =========================================================
> > - Government: The other religion.
> > - The media's credibility should always be questioned.
> > - Lambs who lie down with lions are lunch.
> >
> > -- Scott Gravenhorst | LegoManiac / Lego Trains / RIS 1.5
> > -- Linux Rex         | RedWebMail by RedStarWare
> > -- FatMan: home1.GTE.NET/res0658s/TekLab_FatMan_WebSite/index.html
>
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>