Peter, Is the 10 MHz output a clean sinewave or does it look kind of trashy ?
thanks, Bill....WB6BNQ Peter Bell wrote: > Assuming it's the same as the units I have (two labels, with "FEI P/N > 217400-30352-1" on the upper label and two barcodes on the lower > label) then the +5V supply runs all the logic in the unit. There are > no special power sequencing requirements, but you need both supplies > for the unit to operate. The current drain on the 5V line is fairly > low - about 90mA - the 15V will pull about 2A when the unit is cold > and then drops to 500-600mA once everything is warmed up. Pin 3 is > the lock indicator - driven low when locked. The output (10MHz sine) > is present on pin 6, and appears immediately after power up - although > the frequency is not accurate until the lock pin is asserted. > > The 4 digit prefix on the lower barcode is a date code - so "S/N > 0416-77234" would indicate a unit made in week 16 of 2004. > > Regards, > > Pete Bell > > On Fri, Nov 11, 2011 at 12:30 AM, <ewkeh...@aol.com> wrote: > > I did purchase one of the "New" FE-5680A Rb's. Looking at packaging and > > the housing it does look new. I have not powered it up because of +5 Volt > > on > > pin 4. Does any one know its purpose and is there a power up sequence. Any > > help will be appreciated. > > Bert Kehren Miami > > _______________________________________________ > > 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.