Just look at other VCO designs, it's usually a FET acting as a resistive control element or a Transconductance amplifier providing the current based variable control element. Very easily done: http://www.onsemi.com/pub_link/Collateral/NE5517-D.PDF http://www.birthofasynth.com/Thomas_Henry/pdf/VCO-1/vco1_schem1.pdf The only thing to be mindful of is if it needs to have a linear or exponential response, some offer both... --- In ElektorFormant@yahoogroups.com, "abcceihgfosdjgooenje" wrote: > > Hi everyone. Is there any easy way of adding cv to the freq of the LFOs in the formant? > Thanks:) >
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Re: CV LFO?
2013-01-26 by eliewho2003