[sdiy] LM13600 VCO

[Jim Patchell]

	As far as making LFO's goes, I have had no trouble doing this.  The 
only question would be will the two oscialtors soft sync when their 
frequencies get close...for an LFO this is not an issue...I think.

Scott Gravenhorst wrote:
> I believe the answer to this one is "don't do it", but I'll
> ask anyway:
> 
> A tri/square VCO can be made using an LM13600, but one
> amplifier is used as a schmitt trigger.  An opamp could be
> used for the schmitt trigger.  Is it a bad idea to use an
> LM13600 and an dual opamp to make a dual VCO?  I'm thinking
> that there would probably be coupling problems that would
> result in soft sync between the two VCOs.
> 
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