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ADIS16475 vs GPS

Category: Hardware
Product Number: ADIS16475


My client is considering adopting ADIS16475.
The client wants to input 1 Hz signal and synchronize ADIS16475.
The client thinks it can be achieved by inputting 1 Hz pulse into SYNC pin and using “Scaled Sync Mode.”
During the test run, Clock error status appears frequently.
The datasheet says "adjust the frequency of the clock signal," but this is not realistic.
I think I will adjust by adding or subtracting UP_SCALE =KECSF, is this wise?
I would appreciate some advice.

Thank you and best regards,