Hi There is a variant that comes from the factory with no 10 MHz output at all. Industrious people in far away places drill holes and wire up SMA connectors to give them a 10 MHz output. If yours is one of those, the mod may not have been 100% effective. Maybe a loose wire ….
Bob On Jun 8, 2012, at 5:21 PM, Joseph Gray wrote: > Further information. I do get a Lock (low) indication on pin-3 and a > PPS on pin-6. Nothing at all on pin-7. > > Joe Gray > W5JG > > On Fri, Jun 8, 2012 at 1:41 PM, Joseph Gray <[email protected]> wrote: >> Months ago, I ordered two FE-5680A units from nichgeek for my personal >> use. They work just fine. Recently, I ordered one for work from the >> same source. >> >> For the work unit, I ordered a small 15 VDC switcher and a 5 V DC-DC >> module from Jameco. Today, I wired it all up, using the same pinout as >> the previous units that I bought from nichegeek. Although the unit >> gets warm, I get no 10 MHz output at all on pin 7. >> >> I double checked my wiring and it is OK. I even went home and got one >> of my units. Plugging my home unit in place of the work unit, mine >> puts out a nice 10 MHz in short order. >> >> Looking closer, I see that the two units are labeled differently. Mine >> has a large white label that says "P/N 217400-30352-1". On the >> smaller label "FE-5680A UN 78082" and "S/N 0434-84673". The work unit >> is silkscreened with "PN: FE-5680A". The small label says "FE-5680A >> UN37915 REVISION: B" and "S/N 0226-53954". >> >> I know that there are several versions of FE-5680A, with different >> pinouts. I'm wondering if this latest unit is different than the two I >> purchased before. >> >> I've emailed nichegeek and am awaiting a reply. >> >> Joe Gray >> W5JG > > _______________________________________________ > 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.
