[time-nuts] NTP/1-PPS/RS232 question

[Hal Murray]

bg at lysator.liu.se said:
> The PTTI 1PPS is defined in
>     http://www.navcen.uscg.gov/pdf/gps/ICD-GPS-060B.pdf
> It is 20us long and common in some applications. However the voltage levels
> are a bit high...

The section I saw said 10 V nominal, +1, -2.  That's 8-11 V.

I think that would work fine with a RS-232 receiver.


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