[time-nuts] MCXO and dual mode (was: Poor man's oven)

Attila Kinali attila at kinali.ch
Tue Jun 6 17:40:49 EDT 2017

On Mon, 5 Jun 2017 20:21:10 -0400
Bob kb8tq <kb8tq at n1k.org> wrote:

> That paper is the basis for the MCXO. It is an interesting way to do a TCXO. 
> The drift between the two modes makes it a difficult thing to master in an OCXO.
> Plating a pair of electrodes (one pair per mode) is also an approach that has been
> tried. 

That's the first time I hear of modes drifting respective to eachother.
Do you have any references I could read on this?

I always wondered why the MCXO approach was not used more often.
Or why none of the OCXOs used a dual mode approach to sense
the temperature of the crystal directly instead of using a

			Attila Kinali
You know, the very powerful and the very stupid have one thing in common.
They don't alters their views to fit the facts, they alter the facts to
fit the views, which can be uncomfortable if you happen to be one of the
facts that needs altering.  -- The Doctor

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