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some questions about ADF5901

Question asked by Bebetter on Apr 25, 2017
Latest reply on Apr 25, 2017 by Bebetter

Does the struction of ADF5901 is a PLL or it  just an open loop VCO?  

I notice that ADF5901 need a REF input ,and the REF input and VCO feedback  go into the VCO CAL together.Does the VCO CAL just a phase detector?

Look forward for your reply.