kb...@n1k.org said: > The gotcha is that you do not have a calibrated adjustment. Put another way, > there isnât a perfect correlation between DAC bits and ppm. Each adjustment > you make is subject to a bit of error. When you are trying to get within a > ppm, your measurements are quicker, so the larger error ( percentage of > step) may not be as big a deal. When you get close, it is likely to become a > big deal.
Interesting. Thanks. How much does it vary from unit to unit? How non-linear is it likely to be? How much does it change with temperature? Anybody have data? Are fancy OCXOs more linear? -- These are my opinions. I hate spam.
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