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ADF4356 can't lock all time

Question asked by 星魂wyj on Apr 10, 2017

hello,

     ADF4356 can lock only for few minutes, Creg1=0V,  Creg2=1.89V, use ADI http://www.analog.com/media/en/evaluation-boards-kits/evaluation-software/ADF4355_v1_1_9.zip

ADF4355/ADF4355-2/ADF4355-3/ADF4356/ADF5355 Evaluation Software (Rev. 1.1.9) 

to config, Power for ADF4356 is normal, the schematic is as same as ADI provided

http://www.analog.com/media/en/evaluation-boards-kits/evaluation-software/ADF4355_v1_1_9.zip

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