[Elecraft] K2 drif problems?

Thu Dec 19 09:44:00 2002

Oven controlled xtals are not particularly battery friendly.  Remember that 
beneath the K2/100 is still the K2 with all its original hopes and uses.

best wishes,

dave belsley, w1euy

--On Thursday, December 19, 2002 10:22 AM +0000 [email protected] 
wrote:

> For the perfectionists?
>
> How about a retrofit oven controlled xtal (OCXO)?? I havn't had much to do
> with them for many years, but a quick search on gargoyle seems to show
> hundreds of references. If the temperature of the OCXO is set higher than
> that of the highest normal internal temp of a K2 with the KPA100 fitted,
> then presumably the oven can keep the xtal at pretty much the same temp in
> all conditions. Presumably even a thermister and a properly biased 2n3055
> (as heater)  glued to the xtal can would make a simple heat controller.
>
> Also, what about the late pa0ksb's huf-&-puff approach to vfo
> stabilisation??
> I've not looked, but I would have thought someone has already reinvented
> this wheel with modern low-cost PICs &tc.
>
> Regards,
>
> Tony
> G7IGG
>
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----------------------------------
David A. Belsley
Professor of Economics