Did you try the LF injection test?
On Sun, Oct 5, 2008 at 8:48 AM, Jeffrey Okamitsu <[EMAIL PROTECTED]> wrote: > I've spent a good deal of time this weekend working with the 5061B I recently > acquired. > > The unit appears to be making stable 10 MHz. I've compared it the the > Rubidium source I have and the two compare as expected. > > There are two problems: > > 1) Beam current is low - even after going carefully through the alignment > procedure outline in the service manual, the best I can get (Loop Open, Mod > Off) is a bit over 10 nA. > 2) The "Continuous Operation" LED will not come on after pressing Logic > Reset. I used the trouble shooting guide to diagnose the LED and it's > pointing to the circuit on the A14 board. This is as far as I have gotten so > far. Note that the trouble shooting guide is suggesting that it might not be > a problem with beam current, but an electronics problem (the LED driver). > > Anyone have any insight? > > Thanks for reading. > > Jeff > > Jeffrey K. Okamitsu, PhD, MBA > +1-609-638-5402 > _______________________________________________ > 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.
