Yes it is I would have sent the pdf but thats larger than 125 KB limit for time nuts. Regards Paul.
On Sun, Jun 16, 2013 at 7:35 PM, Bob Camp <li...@rtty.us> wrote: > Hi > > Next in on the same line … MSA or MAS? > > I assume it's: > > http://www.mas-oy.com/products/radio-controlled-clock-rcc/mas6180/ > > Which would make it a MAS 6180 or it's dual band relative the MAS6181 > > Bob > > > On Jun 16, 2013, at 6:39 PM, paul swed <paulsw...@gmail.com> wrote: > > > Good catch Bob 6180. > > Thanks > > Paul > > > > > > On Sun, Jun 16, 2013 at 6:19 PM, Bob Camp <li...@rtty.us> wrote: > > > >> Hi > >> > >> MSA 6180 or MSA 8160 or …. > >> > >> Bob > >> > >> On Jun 16, 2013, at 5:43 PM, paul swed <paulsw...@gmail.com> wrote: > >> > >>> OK no schematic. It was 2MB. But it was a scan of my notes. Happy to > post > >>> to a sight or two. Can include some pictures also. > >>> Operation is simple the msa 6180 receives wwvb and in my case I tap off > >> of > >> > >> 6180 > >> > >>> a wwvb antenna multi-coupler. > >>> Output of the 8160 controls inverters that select a 60 Khz clock signal > >> to > >> > >> 8160 > >> > >>> select high amplitude or low amplitude for the bit. > >>> The 60 Khz clock uses another 60 Khz xtal from mouser or digikey. > >>> The system consistently allows the Spectracom 8170 to work. Also my > fear > >> of > >>> delay due to this processing is unfounded. > >>> Compareing the wwv audio ticks and tones to the 8170 display I can't > tell > >>> the difference. Good enough as they say. > >>> No attempt has been made to filter or shape the cmos output. The 8170 > >>> filters do a fine job. > >>> Use a low power regulator to drop the 8170s antenna voltage to 5 volts. > >> The > >>> system draws 13 ma. > >>> > >>> Other comments you could use a ferrite rod as the app note states. Or > you > >>> could feed power to the old spectracom antenna and use it. Essentially > >> the > >>> remodulator sits in the middle of the coax. This project assembled in a > >> few > >>> hours yesterday. The hardest part is soldering the pesky 16 pin soic to > >> an > >>> expander board. > >>> The 8160 chip is available in the US through a distributor. But really > >> not > >> > >> 8160 > >> > >>> sure how thats going to work out. > >>> Literally any wwvb clock chip should be able to do this job. But no one > >>> seems to sell them any more. > >>> Hopefully the schematic will get through to the Time-nuts. > >>> As always no intent to kit anything. > >>> Regards > >>> Paul > >>> WB8TSL > >>> _______________________________________________ > >>> 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.