1.8 a is normal for a cold start and after warm about 7-10 min 700 ma On Thu, Jan 19, 2012 at 2:15 PM, Paul F. Sehorne <[email protected]> wrote:
> I received my two FE-5680As late yesterday. This morning I hooked one of > them up. It locked on in a couple of minutes and at about five minutes > quick working. There is a smell of something burnt inside. I have not > opened the case to investigate the damage. > > I had the unit attached to two current limited bench power supplies. One > power supply was set at +16.1 vdc and the other at +5.0 vdc. When the trace > on the scope went away I noticed the +15 vdc power supply had gone into > current limit mode at 2 amps. The +5 vdc current had dropped from ~80ma to > about ~60. Before the failure the +15 vdc supply showed ~1.8 amp during the > first minute or two and then dropped to ~700 ma. > > While it was working it worked fine and was very near my GPSDO in > frequency. The scope trace was moving 5ns in about 20 seconds. I got no > further than this when the unit stopped working. I have not powered up the > second unit yet; preferring instead to contact nichegeek first. > > Paul > ______________________________**_________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/** > mailman/listinfo/time-nuts<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.
