[sdiy] Aztec Progress

[Tim Ressel]

Yo,

Would it be useful to replace the 68K resistors with
pots??

--Tim

--- Michael Ruberto <frankentron at hotmail.com> wrote:
> Ok I have finished the schematic - for now. I am now
> in the tweaking phase 
> so some things will change but what's here will
> work. There are notes which 
> explain some of how it works but I will write a
> better circuit analysis when 
> I have time.
> 
>
http://www.sunrisecomputersolutions.com/samples/aztec_2_1.gif
> 
> ~M
> 
> 
> >From: "Michael Ruberto" <frankentron at hotmail.com>
> >To: synth-diy at dropmix.xs4all.nl
> >Subject: [sdiy] Aztec Progress
> >Date: Fri, 20 Jun 2003 16:26:15 -0400
> >
> >ok now that the VCA prob is taken care of I have
> made more progress! redid 
> >the CV part because the CV was increasing 3914 gain
> while also increasing 
> >VCA gain. a simple CV mirror fixed that. now I can
> use the circuit for 
> >modulation. here is a sample where a triangle LFO
> fed to the input of the 
> >Aztec and it's output being applied to the cutoff
> of a Synthacon VCF while 
> >I manually change it's bit depth.
>
>www.sunrisecomputersolutions.com/samples/aztecmod.mp3
>  (~500K)
> >
> >gonna be interesting to run the output into a
> quantizer and then a VCO. I'm 
> >almost done with it now. need to redo the
> schematic, write up the procedure 
> >for calibration, and tinker with a component value
> here and there still. I 
> >am thinking about designing it with 2 cores, one
> with the 3914 and the 
> >other with the 3916 and a switch to select which
> one goes to the output. 
> >but I'll work on that later. then maybe I'll go the
> extra mile and make a 
> >20 bit version.
> >
> >~M
> >
>
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