I have the same disease. I have the clock, but the wife thinks that is insane. I don't get her concern at all??? Especially when she says "NO!". Regards Paul WB8TSL
On Thu, Aug 28, 2014 at 10:39 AM, bownes <bow...@gmail.com> wrote: > Careful Chris, it sounds like you are developing the symptoms of the > Vintage strain of the time nuts infection. Next thing you know, you will be > looking at tall clocks. > > Bob, who is debating the wisdom of non invasively synchronizing the family > heirloom tall clock to the new cesium clock... > > > On Aug 28, 2014, at 10:33, Chris <syseng.greenfi...@btconnect.com> > wrote: > > > >> On 08/28/14 05:03, Javier Herrero wrote: > >> Hello, > >> > >> Here is the manual I've. I have also some other documentations, and some > >> Oscilloquartz software for the OSA-5585, but I don't know if they are > >> very useful. > >> > >> Regards, > >> > >> Javier > > > > Hi Javier, > > > > Thanks for that and for the other replies. The 3210 looks like quite an > early design, with no sign of microprocessors at all. There's a 8 slot card > cage with a load of discrete analog circuitry, 741 op amps etc and a couple > of boards full of 14 / 16 pin ssi cmos / ttl devices, which I guess would > be the synthesiser logic and perhaps a state machine style startup > sequencer. Apart from that, the rest is power supply related and what looks > like an alarm board with optoisolator discete outputs to a 25 way D > connector. The step recovery diode (?) multiplier into the microwave cavity > is a really neat gold plated assembly with what looks like a 50r > termination (setup tap for spectrum analyser ?) and an adjustment trimmer, > but am not touching that or the many trimpots on the boards or any > adjustments until I have more info. The tube is from FTS, part number / > model 7101. > > > > It seems strange that the 2nd harmonic, meter #9, is zero, since even > with a tube approaching eol, one would expect at least some indication, > which is why I think there may be an electronic fault. Perhaps the hv power > supply module feeding the electron multiplier. Will try to measure that, > but the area around the tube is really heavily rivetted and screwed down in > all directions. Looks like a lot of the left hand side of the case will > need to be disassembled just to get at the tube connections. It also had > the battery backup option, with 4 sets of 3 x cyclon type cells, but with a > date code of 1984, are seriously dead and have been removed. > > > > This time nuts things seems to be a growing interest and wonder if there > is a cure ? :-). Recently bought a 1970's era Tracor 304D rubidium > standard. Again, no lock, but a very well engineered and screwed together > piece of kit and should be fixable. Collection now includes the Z3816, from > Ebay US around 7 years ago, a Z3815 currently being repackaged, an HP103 > with open circuit oven heater elements and the 3210... > > > > Regards, > > > > Chris > > > > > > > >>> _______________________________________________ > >>> 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.