is meeting its specs except for the current draw on the 5 volt supply.
The attached plot shows phase readings between the Rb and a ThunderBolt madeby a Racal-Dana 1992 counter read out by Fedora Linux 16 and a National Instruments PCI GPIB interface. I entered various frequency offsets with my own comms software
downloadable from omen.com.The "transients" are manual slewing events where I set an offset of 0 until the phase swings around to 180 degrees. The last such event covered 360 degrees in about 100
seconds; the result agrees with the specified resolution of 1e-12.The Rb seems to be meeting its 10-11/day spec. If I did the math correctly, that
corresponds to measuring the distance to the Moon within tenths of an inch. My next step is to leave it alone for a day or two. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc "The High Reliability Software" 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430
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