[sdiy] VCO works without timing cap

[ColinMuirDorward]

Thanks, Tom!

On Wed, Jan 22, 2020 at 1:29 PM Tom Wiltshire <tom at electricdruid.net> wrote:

> Fairly normal, in as much as I’ve seen the same thing. It doesn’t seem to
> *need* an external cap.
>
> It’s designed to oscillate. Unless you try hard, it’ll oscillate. The
> trick is getting it to oscillate where and when and how you want!! That’s
> what the timing cap is for…;)
>
> Tom
>
> ==================
>        Electric Druid
> Synth & Stompbox DIY
> ==================
>
> On 22 Jan 2020, at 20:57, ColinMuirDorward <colindorward at gmail.com> wrote:
>
> I built some of my 3340 VCOs and forgot to install the 1nf timing
> capacitor. Disturbingly, they seem to work nevertheless, albeit at a higher
> pitch.
> Is this normal, or does it mean I've done a bad layout with loads of stray
> capacitance?
> Thanks,
> Colin
>
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> https://www.instagram.com/colinmuirdorward/
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