[sdiy] VCO Linear FM input - DC or AC coupled?

bbob fluxmonk at gmail.com
Mon Jun 26 20:23:14 CEST 2023


In my main VCOs, I have a switch which enables or bypasses the DC blocking
cap.

On Mon, Jun 26, 2023 at 1:35 PM Neil Harper via Synth-diy <
synth-diy at synth-diy.org> wrote:

> hey everyone,
> i noticed some vco schematics have a dc blocking cap on the linear fm cv
> input and some are directly coupled.
>
> is there any advantage to either? AC coupled seems to block out the
> possibility of really slow FM modulation with an LFO - or at least makes
> the response not intuitive.. so I can't really see the point.
>
>
> --
> /// Neil Harper
> /// Every Wave is New Until it Breaks
>
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