[TenTec] Omni VI TCXO

[Bwana Bob]

Is there a way to put a TCXO in the Paragon? Maybe it was available in 
the commercial version?

					73,

					Bob WB2VUF

Paul Christensen wrote:
>> Interestingly, if I remember correctly, Scott described at one time on the
>> reflector that the TCXO did not have better stability than the earlier
>> crystal oven.  They moved to the TCXO because the ovens were becoming
>> unavailable.
> 
> Sounds right to me.  However, I made the change primarily to have better 
> start-up stability without having to leave the power supply running 24/7. 
>>From a cold start, the OCXO's frequency makes a relatively large excursion 
> until it comes up to temperature.  That said, I found Ten Tec's TCXO to be 
> significantly more stable than the OCXO ever was.  After the mod, I don't 
> believe I saw more than a 20 Hz change in frequency at 14 MHz -- even from a 
> cold start.
> 
> If Ten Tec no longer carriers that particular TCXO, many inexpensive 
> replacements are available with 0.5 ppm accuracy or better.  The difference 
> in price is generally a function of the TCXO's phase noise spec and absolute 
> stability required.
> 
> Paul, W9AC 
> 
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