This is a phase plot of my number two 5680a vs Thunderbolt. The X axis is in seconds, Y is phase difference measured by a Racal-Dana 1992 counter with GPIB interface. The big spikes are markers representing human interaction, typically changing the frequency offset command.
I calculate the daily drift to be about 5e-11 which compares to the spec of 2e-11 per day. The other 5680a, the one that pulls 340 ma from the 5 volts, is far better than this. -- 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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