Up to the point that, to get 1milliHz resolution, you have to wait 1000 seconds (without the prescaler)? If you have a prescaler then it will be N*1000 seconds...
On Sun, Apr 23, 2017 at 9:14 AM, Jerry Hancock <je...@hanler.com> wrote: > Hello, I would like to find a person that would be able to answer some > frequency counter questions I have. > > Basically, I am thinking of building my own using one of the high end STM32F7 > boards as the counter. I would like it to count reliably to 12 digits (e.g. > 30,000,000.001x hz). I am not worried about input conditioning as I have a > circuit that is suitable for my needs. Most of my questions have to do with > using a prescaler on the front (divide by N where what is N) to get to the > desired resolution when using multiples of the PPS coming from my GPSDO. > Gate times could be as long as needed to get the resolution. So what > prescaler do I need and what gate time is required are the first two > questions. I suggest if someone is willing to help that they either reply > here with an email address or send a note to meters at hanler dot com. This > is for my own non-commercial use. > > Thanks! > > Jerry > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
