I'm interested in a piece or two if you do this. Happy to review schematics and layout, too. -- Christopher AI6KG
On Tue, Aug 15, 2017 at 8:28 AM, Mark Sims <[email protected]> wrote: > Symmetricom sold some interface boards for the X72. They are 0.32-ish > inch thick PCB's with a dual sided edge tab pattern on them. The PCB > edge tab will insert into the connector on the X72. The interface board > for my X72's only breaks out 12 pins... a lot of Ebay X72's come with that > 12 pin connector board... I think that they were pulls from some piece of > equipment. My X72's only had 250 hours on them. > > I have been thinking about laying out an X72 interface board that has the > edge tab broken out to a standard 26 pin 0.1" pattern, a RS-232 inteface, > BNC's for the 10 MHz, ACMOS output, 1PPS in, 1PPS output, etc. The board > would also have a way to connect it to the SA22. > > Lady Heather now talks to X72's (and probably X99's and SA22's). I have > implemented a disciplining algorithm for use with X72s that have the older > firmware that does not do disciplining... like probably 99% of the X72's > out there. Symmetricom's code only seems to keep the 1PPS aligned with 300 > ns. My code attempts to keep it within 100 ns. > _______________________________________________ > 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.
