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AD9546 - Minimize Output Shifting

Category: Hardware
Product Number: AD9546


While we try to provide 10MHz reference clock to AD9546 (working in active mode) from OCXO, we saw that the 1Hz outputs are shifting itself step by step.

How can we minimize shifting of the 1Hz outputs?

We also tried that another AD9546 (free-run mode) for the 10MHz source, but nothing changed.

Below, we measured 200ns between by the time the first and the last rise edge of 1Hz output of AD9546.

200ns is just a value here It could be something else, acrually,  we would like to see approx 10ns shifting in one hour. Is it possible to do that?