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HMC689-G_Bias and S Parameters

Question asked by ricardoqrp on Mar 30, 2018
Latest reply on Mar 30, 2018 by huangzeyan



In Mixer HMC689 is it necessary to apply 2.8V for a good performance of the mixer? It says external optional bias but then says to apply 2.8 for nominal performance so I am confused with the information. In the evaluation board there are two open pads in the routing of this net, is it for applying a drop in VCC to 2.8V? 


Is it also possible to provide the S Parameters of this mixer? Analog Devices provide them for HMC688 (almost similar) but not for this one. 


Thank you for your time,