[time-nuts] tcxo

[Alex Pummer]

Thermal control circuits could oscillate at very low frequencies there 
is a tricky time constant -- the heat propagation between theater and 
the temperature sensor!
73
Alex

On 12/7/2014 1:01 PM, Azelio Boriani wrote:
> You can go as simple as a PTC glued on the crystal to start with.
> Alternatively take a look here:
> <http://www.w6pql.com/crystal_oven_controller.htm>
>
>