VCO (with 8038?, opamps?)

Tuukka Laurikainen tuukkal at posti.paltamo.fi
Tue Jan 28 03:24:39 CET 1997



On Mon, 27 Jan 1997, Magnus Danielson wrote:

> Hi Tuukka and the rest of you!
> 
> Well, take a peak at the ASM-1 VCO Schematics (which you finds at 
> http://www.it.kth.se/~e93_mda/synths/companies/stopp/ ). This is not directly
> a one chip solution, but it will give you a saw-wavefore and square/PWM.
> It will track way more then just 5 octaves (mine have tracked over 19-20 
> octaves
> or so...).
> 
> You may convert the sawwaveform into triangle with a simple circuit...
> 
> The VCO is quite simple to build even thougth it migth seem complex. There are
> only a few hard parts of debugging errors.
> 
> I think this VCO is worth its part count, especially if you go for the MAT-02.
> 
> Cheers,
> Magnus

Thanks, I'll check out those schematics and other on that page.

-tuukka
 tuukka at paltamo.fi
 



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