[Elecraft] XG50 frequency stability

[David Ferrington, M0XDF]

Although this says designed for the KX3, I assume there is no reason why this can be used as a source for anything, including to calibrate the K3?
73 de David, M0XDF (K3 #174, P3 #108)

Every man is a damned fool for at least five minutes every day. Wisdom consists in not exceeding the limit. -Elbert Hubbard, author, editor, printer (1856-1915)




On 25 Feb 2013, at 02:18, Mike wrote:

> Just as a minor FYI, here are the results of my new XG50 output during its burn-in period.  This was over 7 hours instead of the recommended 8, as the day was over and I wanted to go home :-)
> 
> This was measured at ~12 volts supply, 70 degrees, to an HP frequency counter (I forget the model).  Note - this counter is out of cal, but I doubt it's very far out.
> 
> Initial frequency: 49.379999 MHz (oscillator is 49.380 MHz nominal), for the first several seconds after power up.
> 
> After ~  2.5 hours: 49.379912 MHz
> 
> After 5 hours, till power off at 7 hours: 49.379925 MHz
> 
> All values are a complete non-issue when compared to Elecraft's spec of +/- 247 Hz nominal, and stability of +/- 2 Hz.