[time-nuts] Frequency Counter Errors
jmiles at pop.net
Thu Mar 22 00:34:33 UTC 2012
> The frequency is always at least >200 to 300Hz off between the two
> and I don't know
> which one to believe. You know the "man with 2 clocks" problem.
> Anyone have any idea what may be causing this?
What are you measuring? Are both of the counters' inputs set to 50 ohms,
and if so, are both of the terminations OK (meaning not burned out)? Most
oscillators will exhibit "load pulling" to some extent, where their
frequency changes noticeably depending on the load they're connected to.
More information about the time-nuts