[sdiy] Fet to short pedal input?

[Tom Wiltshire]

Why FET? Can't a simple BJT like 2N3904 do this?

Does this portamento input have a graded response or is it a simple on/off affair?

Tom

> On 27 Nov 2025, at 20:34, el macaco via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> Hi all,
> 
> The portamento pedal input on arps has me thinking of using my midi to cv converter's velocity output (+5V) to activate a fet with the two pedal contacts on the source and drain.
> 
> Can it be this simple?  The only power coming from the velocity 5v?
> 
> Thanks,
> 
> Ed
> 
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