[time-nuts] Re: Picotest U6200A problem with measuring PPS period very second.

[Azelio Boriani]

Without a reference? If the same PPS acts as start and as stop then
one (I suppose) rising edge is start and the next rising edge is stop,
so a measurement every second is not possible. Maybe a dedicated
hardware with two channels where one edge is the start for a channel
and stop for the other is necessary.

On Sun, Feb 27, 2022 at 12:08 PM Erik Kaashoek <erik at kaashoek.com> wrote:
>
> I'm trying to measure the phase of a 1 second PPS from a cheap GPS
> module using a Picotest U6200A
> Set up in time/period mode, input 1. Trigger level is set to 1V, DC
> coupling, all seems to work well but there is only one measurement every
> two seconds which either misses output the in between periods of
> averages over two periods.
> Does anyone know if it is possible with the U6200A to measure every
> period of a PPS?
> Erik.
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