homebrew vactrols

[Haible Juergen]

	>LDRs are quite nice, no feedthrough, quite low noise.
	>But the disappointing is the range. I mean if the device gets more
Ohms
	>it will take ages to get further down. I guess this is simply the
effect of
	>charge depletion. So for reasonable fast transistions only a 100:1
range
	>can be used (average figure).
	>>
	>Has someone tryed to cascade two LDR stages such that a wider range
	>can be achieved without sacrifying speed?
	>I mean staggered response, first the first light goes off, then the
second...

Good idea! I don't even think you have to build a "staggered CV" circuit. If
you're cascading two stages with the same CV you should get the very same
effect.
Hmm - thats' what the Buchla circuit would do as well, if it's switched to
VCA only.

JH.