The TCXO manufacturer has a sister part that can be slaved to an
external standard. I have no idea what this would do to the phase noise
performance of the oscillator.
-- Eric K3NA
on 05 Jul 27 16:53 Martin, AA6E said the following:
> Now for something completely different.
>
> I've been trying to tweak my Orion TCXO to get it more accurate after
> warmup. I have had some success, getting it to come within 0.4 ppm (4
> Hz at 10 MHz) or so, at least until the seasons change. This should
> be good enough for mortals like me, but can we do better?
>
> There was a lot of discussion on this reflector a couple of years ago
> about stability. No need to rehash that. I can see that one could
> make improvements by cooling/ventilating the synthesizer compartment
> better and/or by ovenizing the TCXO.
>
> I am wondering if anyone has succeeded in slaving the Orion to an
> external oscillator (GPS or otherwise). Is there a write-up anywhere?
>
> I am having a senior moment. I recall having read about a more or
> less universal frequency stabilization module that can lock to (or
> provide an error signal) for your oscillator at say 44.55 MHz against
> your 10 MHz standard. This was not too long ago, but I cannot find
> the reference any more. Sounds like a QEX thing. Anybody have a
> pointer?
>
> TIA
> 73 Martin AA6E
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