Bob no idea actually. But I do have the MSA 8160 rcvr on the bench and simply can add the ne602. Also John Lowe from NIST actually suggested/alluded to it over a year ago before he ducked out of time-nuts. Its one of those fairly obvious answers. Definately not high on my priority list. Its as simple as I can imagine and doesn't use a FPGA or a uProc.
As a discussion point on "simple" folks that work armchairs always have something to say. But they rarely contribute to actual results. Far to easy to debate simple. I know that you do help and I appreciate that. Regards Paul. On Sat, Jun 15, 2013 at 10:35 AM, Bob Camp <[email protected]> wrote: > Hi > > I believe I suggested this approach back about 6 months ago. There was a > significant controversy about my use of the term "seems simple". > > Bob > > On Jun 15, 2013, at 9:51 AM, paul swed <[email protected]> wrote: > > > As I have been working on the d-psk-r its always been clear to me that a > > simple non invasive approach to fix the 8170 class clocks existed. Since > > the d-psk-r has consumed far more time then I ever would have guessed, I > > would like to offer the approach up to the group. Maybe someone else has > > some time to do this and it is easy. However with easy there are trade > offs > > as always. > > > > Here is teh approach > > Using a wwvb clock chip like the MSA 8160 still obtainable (And no doubt > > others say from an atomic clock) > > Take the am time code out. > > Feed that to a NE 602, SA602 or 612 series balanced modulator there all > the > > same as a AM modulator. > > The 60Khz comes from a tuning fork crystal using the SA602 built in > > oscillator. > > Attenuate the output to 100 uv or so. I don't think you really need any > > filtering. > > > > There you go. No real magic. > > Possible downsides > > Drift as the tuning fork crystals are OK. If true use a better source > > I expect the tick to be slightly delayed by this method. > > Regards > > Paul > > WB8TSL > > _______________________________________________ > > 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. > _______________________________________________ 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.
