Actually, I being new to the list, I do not feel I the correct verbiage. That said, I will do better on keeping the noise down. Again, my thanks.
-CH On Jul 19, 2012, at 12:23, paul swed <paulsw...@gmail.com> wrote: > you can search time-nuts there has been a number of very good discussions > on this. > Sorry to say how you search is equally a good question. > > On Thu, Jul 19, 2012 at 3:19 PM, Chris Hoffman, KG6O <cq.k...@gmail.com>wrote: > >> Thank you, Azelio! I don't suppose there's an impromptu FAQ page out >> there, is there? >> >> -CH >> >> On Jul 19, 2012, at 11:58, Azelio Boriani <azelio.bori...@screen.it> >> wrote: >> >>> This is sort of a FAQ: the argument was already discussed here. One of >> the >>> most interesting idea (in my opinion) is to use an RS485 line receiver >> like >>> the ST3485, MAX483, ADM485. They are actually transceivers so they must >> be >>> tied permanently in RX. Since they are differential you can also put a >> 1:1 >>> (or a 1:4 to raise the level) transformer to isolate the input too. >>> >>> On Thu, Jul 19, 2012 at 6:03 PM, Chris Hoffman <cq.k...@gmail.com> >> wrote: >>> >>>> Can anyone suggest a good reference design for a zero-crossing >> detector? I >>>> am trying to home an ADC sampler trigger to the 1VRMS (50ohm) 10MHz sin >>>> from my XL-DC... And now I'm thinking that I should just home the uC >> clock >>>> to it, as well. >>>> >>>> Essentially, I believe that I'm looking for an efficient, stable, and >>>> accurate sine-to-square converter... and I'll welcome any advice in this >>>> area. >>>> >>>> This may also be used in a 1KHz 5Vpp IRIG-B decoder... I don't feel like >>>> rectifying the signal, to be honest. I want to try to keep a smaller >> BOM, >>>> sense the waveform primarily, and crunch numbers inside the uC. >>>> >>>> >>>> -CH >>>> >>>> Chris Hoffman >>>> cq.k...@gmail.com >>>> http://ar.ctur.us >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> 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. >> >> _______________________________________________ >> 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. _______________________________________________ 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.