But why can't you measure the 1 s period of a PPS?
If the counter would be able to do gapless measurement and you set the
gate to 0.9s it should be able to measure the period of a PPS, at least
my own build counter behaves that way so I was surprised the U76200A
could not do that.
On 27-2-2022 14:25, Azelio Boriani wrote:
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 <e...@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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