[sdiy] more pitch shifter thoughts

Grant Richter grichter at asapnet.net
Mon Jan 10 18:44:29 CET 2005


You can build one with just a top octave chip and a CD4046. The TOC just
need a high frequency clock phase locked to a reference VCO square wave. A
switch can select the high or low C from the TOC and give and octave above
or an octave below the reference VCO. (IIRC with a 50240)

> From: Steve Ridley <spr at spridley.freeserve.co.uk>
> Reply-To: spr at spridley.freeserve.co.uk
> Date: Mon, 10 Jan 2005 18:32:05 +0100 (CET)
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: Re: [sdiy] more pitch shifter thoughts
> 
> 
>>> EML PolyBox
> 
>> Any idea how they did it?
> 
> Schematics are available at the yahoo EMLSynth group.
> 
> 
> Steve
> 
> 
> 
> 
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> 
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