As you can tell from the manual, the M12+ and the M12M will output a signed -128..+127ns correction from the @@Hn message. In my opinion you have to start from a fixed delay (an offset) in order to apply the negative correction. I already have the Dallas/Maxim delay line but still not used it.
On Sun, May 18, 2014 at 10:24 PM, cfo <[email protected]> wrote: > I have 2 x M12+T , and a DS1023-100 Dallas chip. > I'm going to use the DS1023 to make sawtooth correction , but the DS is a > bit unclear. > > http://datasheets.maximintegrated.com/en/ds/DS1023.pdf > > 1: > What is the REF output used for ? > As i read it it shows the "internal delay" through the chip. And can be > used to subtract that delay if needed. > But they also talks about temperature compensation etc. > Does one use that signal in the active circuit ? > I was thinking about just measuring it once. > > 2: > If the M12+T can/will output negative sawtooth delays , can i just write > the byte into the DS1023 , and the sign of the byte will automaticly > adjust for positive/negative delay ? > Or do i have to add a fixed delay ie. 50ns to the value , in order to be > able to make a "negative/early" pulse of max 50 ns ? > > > I have just found the DS of the 1123 , and it might be a bit clearer i > hope. > http://datasheets.maximintegrated.com/en/ds/DS1123L.pdf > > > I hope someone here might have practical experience with the DS1023 > > > TIA > CFO - Denmark > > -- > e-mail: [email protected] > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
