[sdiy] saw to tri/sine options

[mark verbos]

These are essentially time independent. They are just a transfer  
function of voltage in to voltage out. So, perfectly. I would think.

Mark




On Jun 1, 2009, at 6:07 PM, Jerry Gray-Eskue wrote:

>
> 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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>
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