Considering that I get a Lock and PPS but no 10 MHz, I have to assume that the unit is defective. Still waiting to see what nichegeek says.
Joe Gray W5JG On Fri, Jun 8, 2012 at 6:36 PM, Bob Camp <[email protected]> wrote: > HI > > I suspect it's the same part then. I doubt they were using two vastly > different Rb's on the same card. > > Bob > > On Jun 8, 2012, at 5:34 PM, Joseph Gray wrote: > >> This one has no SMA and hasn't been modded in any way that I can tell. >> It came on a cutoff circuit board, like the others. >> >> Joe Gray >> W5JG >> >> On Fri, Jun 8, 2012 at 3:29 PM, Bob Camp <[email protected]> wrote: >>> 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. >>> >> >> _______________________________________________ >> 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.
