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HMC835 Reference Input

Question asked by rmountain on Nov 11, 2016
Latest reply on Nov 25, 2016 by dyoung1

On the HMC835 Reference Input, The REF Input characteristics list the input range as -6 to +12dBm, Table 4 lists the recommended 100MHz sinewave clock amplitude as +5 to +15dBm, Figure 25 seems to indicate that the optimum FOM occurs at about -3 dBm and the plot does not go beyond +1dBm.  This leads me to believe that my optimum clock amplitude should be closer to 0dBm then +12/+15dBm, can you please clarify this?  Thanks.

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