Fellow time-nuts,
Anyone who has tried to calibrate the PPS input and PPS output
interpolators of the PRS-10?
The output calibration seems pretty easy to do, just a TIC to measure
the PPS to 10 MHz and then sweep through the output delay values to
cover a little more than the 400 ns range.
The input calibration would be something in the similar way, a simpel
method would be to use a coax cable between output and input, and then
use the internal output offset to measure the range of the input
interpolator. However, the input interpolator is a decade better than
the output interpolator. However, considering that I have a 5359A just
waiting to be used, I think I use a fixed output PPS delay and trigger
the 5359A with and then sweep that one.
I would then use the collected data to find suitable correction values.
Comments and suggestions? Experience?
Cheers,
Magnus
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