> How about counting 40MHz signal through time-gates formed > by these two signals? You can quickly store counter's values > to PIC RAM and analyze them late. > Mike. This won't work, because I have .5us to respond to these signals. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body