AW: AW: To earth, or not to earth...

[Haible Juergen]

	>	    If you use the op-amps output for a reference ground
(that
	>   scheme is used in some Harrison desks) you could run in to
the
	>   problems you have described but if you just connect stuff
like leds
	>   or even logic to the output you transfer the garbage (hence
	>   dustbin) to the supply rails not the real ground.
	>
	>Ahh I see... use the opamp to drive the ground for the noisier
stuff
	>only leaving the proper ground for the more sensitive
circuitry.
	<
	>Yes, that's a completely fine approach.
	>
	>  -- Don

Really, it's one of the best ideas I heard in *months* !

Would be a good candidate for the "Synth-DIY idea of the year" !

(Why did nobody tell me before? What secrets do you still keep ? (;->)
I'll try this on my next project !)

JH.