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Why not Autocal the PLL before it was sold

Question asked by Coney on Jul 4, 2017
Latest reply on Aug 17, 2017 by icollins

Hello,
   I've been using ADF4356 to realize fast frequency sweeping recently with the APPLICATION NOTE AN-1381. But when power on, the first-time VCO calibration routine still cost a long time .
   I'm curious whether the VCO CORE and the VCO BAND changes at a same frequency but different time of power on. And if the tempreture rise or decrease,  how dose the VCO CORE and BAND changes?

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