[time-nuts] Commercially available empty ovens for oscillator testing?

paul swed paulswedb at gmail.com
Sat May 12 14:02:56 EDT 2018


Julien
Yes you could stabilize the temperature at some level.
But your really adding complexity that will tend to interact.
You have the natural TCXO behavior and then the oven behavior. Hard to say
how it all will behave.

But I suspect your suggesting warming the TCXO to something in its best
stability range. (Center)
Not the typical oven range. It would indeed help. But then even putting the
TCXO in a insulated box would also.
Depends on what you are trying to get to.

I use a GPSDO with a TCXO from Jackson lab and simply insulated it.
It was appropriate for instant on testing and radio references without
wasting power all day long.
If I am more serious I flip to an external GPDO through the same
distribution system after its warmed up.
Typically a TBolt or Z380.

Hope that helps.
Regards
Paul
WB8TSL




On Sat, May 12, 2018 at 12:55 PM, Julien Goodwin <time-nuts at studio442.com.au
> wrote:

> Does anyone know if there's anyone who sells essentially just the oven &
> casing for an OCXO on its own?
>
> I have a project for which I'm currently using a VCTCXO, but I'm
> wondering if enclosing a plain VCXO, plus the control DAC & voltage
> reference in a single small oven would end up more stable, and possibly
> not even much more expensive.
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