[time-nuts] Using 5335 frequency counter for timing
gp at pdti.net
Mon May 8 00:37:48 EDT 2017
On Sun, May 7, 2017, at 20:11, Hal Murray wrote:
> kb8tq at n1k.org said:
> > None of them will do as well as a really fast scope.
> How accurate is the clock in a scope? Do the high end scopes have an
> external clock input?
My scope (Keysight MSOX3104, so 1 GHz) is rated at ±1.6 ppm (after a 30
minute warmup and ±10C from calibration temperature). The 3000 series
and below don't have 10 MHz external reference inputs; I know the 4000
series does. /gp
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