I was giving it 1000uv. Thats why I say it needs a lot. On Mon, Oct 22, 2012 at 9:00 PM, Tom Miller <[email protected]> wrote:
> > ----- Original Message ----- From: "paul swed" <[email protected]> > To: "Discussion of precise time and frequency measurement" < > [email protected]> > Sent: Monday, October 22, 2012 8:35 PM > > Subject: Re: [time-nuts] WWVB New Modulation five cent demodulator / > carrier regenerator ? > > > To switch correctly at the zero point I sample the plus of the secondary > with a LM339 comparator (only using 1 section) and feed that to a SXB micro > running at 40 Mhz. Detect the zero and switch if I want. The micro programs > in basic and screams along. So I can flip at any rate or create patterns as > easily as I can think them up. Its seriously dumb, simple, and stupid. But > it lets me run tests without waiting for wwvb. I do attenuate the output > signal to about 60 uv. Generally what I see on the east coast during the > day. > ==============================**== > > Hi Paul, > > Reading the spec, I think the chip wants to see about 500 UV RMS. Is that > correct? > > At three cents each, it sure would be nice to find another use for it. > > > > > ______________________________**_________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/** > mailman/listinfo/time-nuts<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.
