A TCXO does not keep a constant temperature.  But an OCXO does.  The TCXO 
compensates for the temperature effect, while the OCXO holds the temperature.
Bob
 

     On Sunday, December 7, 2014 1:47 PM, Joseph Gray <jg...@zianet.com> wrote:
   

 http://www.romanblack.com/xoven.htm

Joe Gray
W5JG


On Sun, Dec 7, 2014 at 1:53 PM, folkert <folk...@vanheusden.com> wrote:
> Hi,
>
> I'm experimenting a bit with time keeping.
> For that I use cheap low power hardware like raspberry pies and
> arduinos.
> I noticed that the accuracy of a crystal makes a big difference. Did a
> bit of googling and I learned that a txco may help solve that.
> Something that keeps a constant temperature that is that I can then
> glue/solder to the crystal of those systems.
> My question now is: does anyone know of a simple schema for such a
> thing?
> I'm not entirely new to soldering but large schemas with lots of
> components are a bit daunting as I don't have the background knowledge
> to debug them if I soldered something wrong.
>
>
> Folkert van Heusden
>
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