[sdiy] Stompbox power (was Re: Socket schematic symbol question)

Harry Bissell harrybissell at wowway.com
Tue Nov 2 17:19:41 CET 2010


LOL 

I was going to suggest an "auto-off" circuit that would power the
stompbox down (let's say) five minutes after your last 'power chord'


(wouldn't that just p!ss you off :^)

H^) harry


----- Original Message -----
From: Neil Johnson <neil.johnson97 at ntlworld.com>
To: cheater cheater <cheater00 at gmail.com>
Cc: Synth DIY <synth-diy at dropmix.xs4all.nl>
Sent: Tue, 02 Nov 2010 11:52:29 -0400 (EDT)
Subject: Re: [sdiy] Stompbox power (was Re: Socket schematic symbol question)

Hi,

On 2 November 2010 15:40, cheater cheater <cheater00 at gmail.com> wrote:
> I am guessing one more way would be to have some form of "current
> detection" circuit in the signal path... which would detect if there's
> a closed circuit (hence, signal coming in and so, current
> happening)... and you could use that MOSFET you talk about, I guess?

Nah, you're just overcomplicating things for no additional benefit.
Also, what to do about quiet moments (i.e. what is the signal
detection threshold?) - do you want the popping sounds as the supply
switches on/off?  Probably not.

keep it simple.

Cheers,
Neil
-- 
http://www.njohnson.co.uk
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Harry Bissell & Nora Abdullah 4eva



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