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HMC869 AD605 interface


      We have interfaced the HMC869 output (single ended) to the AD605 with a 69.8E shunt resistor and 0.1uF series capacitor.

We are not getting the IF (20MHz) from the output of the HMC869 at the desired level, infact it is much lower (60dB lower).

Please advise if the interface between the HMC869 and the AD605 is ok?

Thank you for your time in advance,