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How to use my VCO on ADIsimPLL?

Question asked by JustineP on Jun 21, 2016
Latest reply on Jun 22, 2016 by JustineP


I am using ADIsimPLL to simulate my loop. I am using ADF4252 in fractional-N mode between 1.25GHz and 1.45GHz. I want to optimize my bandwidth, phase margin and tuning time using a specific VCO.

I have created this VCO with the VCO Library Editor following the "step-by-step guide - Modelling My VCO".

But, when I want to add the VCO in the PLL Configuration, the following error appears:

/!\ Invalid VCO Selection

There is no more explanation and I don't known what I have done wrong or so.


Is anyone have had this problem?

Is there a solution to add my VCO?


Thanks in advance.