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Reference clock of ADF5355

Question asked by AkiraO on Feb 3, 2016
Latest reply on Mar 3, 2016 by AkiraO

Hello,

 

Our customer has a trouble about ADF5355. The customer input a certain waveform (case 1 : Unlocked PLL case at 70 deg C in the attached file), PLL didn't lock around 70 deg C. But when the customer input other waveforms (case 2 and case 3 in the attached file), PLL locked  around 70 deg C.

 

Do you have any idea of a cause and a countermeasure of this problem?

 

Best Regards,

Akira

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