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Dear all,

I am facing some trouble while using the RF multiplier ADL5391, where our aim is to use it as a squarer (same input over Xp, Yp).

Main issue is the fact that we observe reflections over the input Yp.

By following the datasheet we placed R2=56.2 ohm (over Yp), but still we cannot get rid of those relfections.

The only modification that we haven't done is to remove R9, R10 since the are connected to green test loop (YP_DC, YM_DC) and we thought they were disconnected....

Someone has experienced the same behaviour? Do you think we should remove R9 and R10?

Thanks for your cooperation :-)