AW: VCA for LFO

Haible Juergen Juergen.Haible at nbgm.siemens.de
Mon May 17 13:13:16 CEST 1999


	> I hate to interrupt the computer discussions, but...

Thanks (;->)

	>What basic design(type) has the lowest CV leakage? In this
particular
	>instance, that would seem to be the most important criteria, as
noise would
	>have to get pretty horrid to cause any substantial problems, and
distortion
	>(for my purposes) is rarely if ever a problem. But if the center
frequency
	>of the VCO starts moving with mod amount, it's a bummer.
	>
	>I *am* working on the assumption that I want a linear VCA for this
function
	>(just want to be able to translate mod wheel info to my minimoogs).
Am I
	>wrong in this?

If you don't need fast response times for the CV, I vote for a vactrol.
No offset or CV bleedthru problems at all, and very linear / low noise.
Just not exactly fast ...
See MS-20 schemos for details.

JH.



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