lists at rtty.us
Fri Aug 31 01:48:58 UTC 2012
Some TCXO's have less hysteresis than others…...
On Aug 30, 2012, at 9:29 PM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:
> On 08/31/2012 03:12 AM, Bob Camp wrote:
>> If the temperature is varying slowly *and* there are no gradients you may get your order of magnitude over some range. You might be surprised at your TCXO. A lot of them are pretty darn good in the vicinity of room temp. You may already be an order of magnitude past your ppm or two for fairly normal temperature changes.
> I haven't seen that any of the TCXOs compensates for the temperature hysteresis. It would be cool if they did.
> The ability to handle temperature gradients can be troublesome for both TCXOs and OCXOs.
> TCXOs have become quite good these days.
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