Alma #511 has an interesting trick for phase comparison: two counters, an adder and a DAC...
http://science.nrao.edu/alma/aboutALMA/Technology/ALMA_Memo_Series/alma511/abs511.shtml -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 p...@freebsd.org | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ 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.