[sdiy] Sine VCO

[Czech Martin]

Yes, the XR2206 has the cleanest sound of all these
shapers, of course after trimming.

m.c.

-----Original Message-----
From: synth at charlielamm.com [mailto:synth at charlielamm.com]
Sent: Freitag, 28. März 2003 15:24
To: "Rönnberg, Niklas"
Cc: synth-diy at dropmix.xs4all.nl
Subject: Re: [sdiy] Sine VCO


I am not sure the freq or CV range would be right for your application,
but here is an interesting link:

http://www.exar.com/products/tan005.pdf

You may also want to try putting 1V/Oct antilog on this.  The ASM-1 VCO
provides a simple fragment you may want to steal:

http://www.it.kth.se/~e93_mda/synths/friends/stopp/asm1vco.new.pdf

--CL


On Fri, 28 Mar 2003, [iso-8859-1] "Rönnberg, Niklas" wrote:

> I'm looking for a sine VCO. I don't want (or need) any other waveform from
> this VCO, but I guess that that is unavoidable. I also want the VCO to have
> an input for FM...
> I think that I saw a schematic once that was based on a LM13600. This VCO
> made a triangle wave, so maybe this would be a good start for a sine
> VCO(?).
>
> Can anyone help me pointing out a schematic or giving a tip on designing
> this circuit?
>
> Regards,
>
> Niklas
>