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ADF4351 eval board: frequency range and LD problem

Question asked by markamer on Jun 27, 2013
Latest reply on Jun 28, 2013 by markamer

Hi,

 

I'm presently testing the ADF4351 eval board out of the box with your programming software. I already try the adf4350 eval board and it worked fine. For some reason when i'm testing the board, the lock led won't light for all frequencies even if the LDP is set to 10ns(solution for other questions). Also, the board won't go less than around 68.8MHz. Setting the frequency to 68.7MHz, the output frequency that I get is doubled for the frequencies under that. Do you have a clue of what is happening? Thanks!  

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