[time-nuts] Capturing a 1PPS signal with a Keysight 53230A

[Magnus Danielson]

Hi,

On 05/02/2016 08:12 PM, Tom Van Baak wrote:
>> * DC
>> * 50Ohm
>> * Bandwidth filter enabled
>
> DC and 50R is ok. I would not use the filter; you want the fastest edge possible.
>
> You forgot to mention the most important setting of all - the trigger voltage. Check the signal at your inputs with a 'scope. I typically use 1.0 VDC, unless the 'scope suggests otherwise.

Oh, and turn of "auto" from trigger voltage, many counters tries to fix 
it way quicker than the PPS occurs. The 53131/132 has this issue with PPS.

Cheers,
Magnus