[sdiy] saw to tri/sine options

[Jerry Gray-Eskue]

I am curious, How well do these hold the waveform peak to peak voltage and
sine wave shape from low to high end frequencies?



-----Original Message-----
From: synth-diy-bounces at dropmix.xs4all.nl
[mailto:synth-diy-bounces at dropmix.xs4all.nl]On Behalf Of mark verbos
Sent: Monday, June 01, 2009 4:14 PM
To: Scott
Cc: Synth DIY
Subject: Re: [sdiy] saw to tri/sine options



On Jun 1, 2009, at 4:37 PM, Scott wrote:

> I'm trying to pick out a saw to tri/sine converter for a VCO I'm
> building (j.h.living).  Is there much difference between the various
> types?  Looking through my bookmarks I see a few..
>
> Bergfotron uses transistors
> http://hem.bredband.net/bersyn/VCO/Saw%20to%20tri-sin%20W.gif

This was pulled from the Moog Modular I believe. Jörgen seems to like
it a lot.
>
>
> ASM uses diodes
> http://www.elby-designs.com/asm-2/vco/vco1-shaper-asm2-cct.pdf

This one is also used by Doepfer. It's light on parts, but high on
harmonic distortion.


>
>
> rwilson uses a 13700 (nothing direct, but it's on the VCO schematic)
>
http://www.musicfromouterspace.com/analogsynth/VCO200604REV01/vcoschematicpa
ge2.gif
>
> Thanks!
>
>
>
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