[sdiy] DCO Question

[Mattias Rickardsson]

On 3 November 2017 at 21:03, Gordonjcp <gordonjcp at gjcp.net> wrote:

> On Thu, Nov 02, 2017 at 05:43:16PM +0100, Olivier Gillet wrote:
> >
> > a digital system will never be able to reproduce a perfect sawtooth
> > anyway. only a band-limited one.
>
> An analogue oscillator also cannot reproduce a perfect sawtooth but
> produces a bandlimited one.
>

Why? Lacking a bit of high end doesn't imply being bandlimited.


> Think about it for a moment...
>

Done!  8-)

On 3 November 2017 at 21:44, Gordonjcp <gordonjcp at gjcp.net> wrote:

> On Fri, Nov 03, 2017 at 08:21:10PM -0000, Richie Burnett wrote:
> > Yes, the effect of finite reset time in an analogue VCO is not all
> > that different from the band-limiting you get using polyBLEP.
>
> Well, it also hasn't got partials extending off to infinity, otherwise
> you'd need an infinitely powerful power supply ;-)
>

Why? Infinite series often have finite sums.

/mr
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