[sdiy] Favourite VCO designs

[cheater cheater]

Sweet!

On Wed, Feb 24, 2010 at 15:35, Jerry Gray-Eskue <jerryge at cableone.net> wrote:
>
> <<One of these days, I will do a proper layout and have boards made>>
>
> If you send me all the details of the finished design PCB dimensions with
> mounting hole locations, component and connector details, I could do a board
> layout for you. I may not be able to get to doing the layout right away but
> it should not take long once I can get started. I should be able to give you
> Gerbers for board shops and 1 to 1 image files for the PCB DIY crowd.
>
> - Jerry
>
>
> -----Original Message-----
> From: synth-diy-bounces at dropmix.xs4all.nl
> [mailto:synth-diy-bounces at dropmix.xs4all.nl]On Behalf Of David G. Dixon
> Sent: Wednesday, February 24, 2010 2:42 AM
> To: 'cheater cheater'; 'stew'
> Cc: 'synth-diy'
> Subject: RE: [sdiy] Favourite VCO designs
>
>
>> I believe David Dixon is working on a VCO that incorporates the SSM
>> based exponential converter. Correct me if I'm wrong, David?
>>
>> If it's finished it could turn out to be my favorite VCO.
>> The exponential converter design makes VCOs based on it very very stable.
>
> Thanks for the mention, Damian!  I just finished emailing Stewart privately
> to extol the virtues of said 2164 Expo VCO.  I've built four of them now
> (all sawcore -- two for me and two for a friend), and they are very nice.
> They never seem to drift or go out of tune, and are in tune from the moment
> they are switched on.  I personally will never build any other VCO -- I like
> them that much.  Of course, I really don't have anything else to compare
> them to except my (slightly modified and expanded) Thomas Henry VCO-1s,
> which are also very nice, but require tempcos and are not very stable.
>
> I'm also working on a tricore version which is functionally identical, but
> which will have a distinctly different, much more mellow sync character.
>
> One of these days, I will do a proper layout and have boards made, but for
> now, if you want one you either have to roll yer own PCB or have me send you
> a board.  I can even put together a board kit, if anyone wants one.
>
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