Hi Ok, that’s a 20 year old IC. When it talks about doing WWVB, it’s talking about the AM modulation format. It’s not talking about the new phase modulation approach. These are the chips that probably will disappear completely once the chips for the newer format show up.
Bob > On Aug 9, 2015, at 2:11 PM, Donald <[email protected]> wrote: > > On 8/8/2015 11:16 AM, Bob Camp wrote: >> HI >> >> Discrete as in resistors and transistors or discrete as in “stuff plus an >> MCU”? > To be clear(er): > > This data sheet is one of a few receivers from a few vendors: > http://www.datasheetcatalog.com/datasheets_pdf/U/4/2/2/U4221B.shtml > > Looking at the data sheet link shows the internals of the receiver chip. > > This chip outputs the serial stream of the WWVB pwm data. > > From there any MCU can decode that stream via bit-bang. > > > > > _______________________________________________ > 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.
