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ADF4108 RF input

Question asked by briankomo on Oct 4, 2013
Latest reply on Oct 8, 2013 by Brigid.Duggan

Does RFIN(A) need to be DC blocked (AC coupled)?  The datasheet states: This small signal input is ac-coupled to the external VCO.  Does this mean that the ADF4108 is internally ac-coupled?  Or is the expectation that the input pin needs to be ac-coupled externally?