[sdiy] square to sine

cheater cheater cheater00 at gmail.com
Wed Oct 10 17:44:01 CEST 2012


Hi Russell,
the surrounding circuit Dave is talking about will amplify the error
in sine purity, so it's rather important that it's not a "crappy"
sine.

Cheers,
D.

On Wed, Oct 10, 2012 at 5:28 PM, Russell McClellan
<russell.mcclellan at gmail.com> wrote:
> Integrator errors or temperature dependencies in David's proposed
> circuit won't affect the output frequency, only the output sine
> quality (well, triangle amplitude which will in turn affect sine
> quality).  Right?
>
> Probably any modern "V-F" converter is going to use a charge pump or
> something like that which would be more accurate at tracking than a
> traditional synth-style VCO core.
>
> Thanks, guys for the insightful discussion!  I'm really learning a lot
> from your comments as a relative beginner.
> -Russell
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