Hi, I gather that some of these units require a +5V supply on pin 4 of the connector and some do not. Could that be the problem here? Chris
> -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Dave hartzell > Sent: 28 February 2012 05:18 > To: Discussion of precise time and frequency measurement > Subject: [time-nuts] 2 out of 3 bad 5680As? > > Hello, > > I have two units that don't produce any output and the lock pin floats > around +2.3 volts continuously. The +15v load starts at about 1.8A > and drops down to about 0.7A on both units, but I never get a +5V or > 0V on the lock or a 10MHz out signal. (I'm not using an LED on the > lock pin, just a high-impedance DVM.) > > I'm relatively confident in my connection setup, since I do have one > unit that works "as advertised". In fact, one of the bad units was a > replacement from nichegeek, received about three weeks after the > original first order of two units (from Amazon.com instead of China). > > Sorry if this is covered somewhere, but I couldn't find my symptoms on > the list... any thoughts are appreciated. > > Thanks, > > Dave > > _______________________________________________ > 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.
