Archive of the former Yahoo!Groups mailing list: MOTM

What he said :)

--- In motm@yahoogroups.com, "mate_stubb" <mate_stubb@y...> wrote:
> The common method for generating a sine output from a VCO involves
> taking the native waveform that the vco generates (usually a
> sawtooth), then deriving a triangle (often with a small notch at
the
> peak), then using the derived triangle to drive a CA3080 into the
> nonlinear region to approximate a sine wave. The key word here
> is "approximate". It is not that pure. An oscillating VCF, however,
> can generate a very pure sine wave. When I do FM and cross linked
> chaos patches, I generally get better results when both modulator
and
> modulatee are oscillating filters.
>
> Moe
>
>
> --- In motm@yahoogroups.com, "foraxx" <omgemag@h...> wrote:
> > I've heard that it is difficult for a VCO to create a sine
waveform
> > (or really a good quality sine wave). Is this true and why is it
> > so? Its obvious to me that it would be harder to generate a sine
> > wave in comparison to a square wave, but what is specifically
> > challenging theoretically and in practice?