[sdiy] VCO - sine output - why bother?

[Mattias Rickardsson]

On 28 August 2016 at 23:46, David G Dixon <dixon at mail.ubc.ca> wrote:
> I make sine wave generators out of stripped-down four-pole COTA filters with
> fixed feedback gain.  It's the easiest and cheapest way I've found to make
> sine waves of uniform amplitude and low distortion.  With 2164, the tracking
> is decent, too.

On 29 August 2016 at 00:37, Ian Fritz <ijfritz at comcast.net> wrote:
> Why use four integrators when you only need two?
>
> http://electro-music.com/forum/topic-19841.html&postorder=asc

Probably because he wants 45 degrees and 135 degrees as well. :-)

/mr