Could I get S-parameter data for the ADL5350ACPZ mixer on its own so that I can design the matching networks I need around it?
The ADL5350 is a FET switch mixer core essentially. Both RF and IF input/output pins are tied to the same node internally (Please take a look at figure 57 page 17 for simple block diagram). It is necessary to isolate them with the external filters which you have in your circuits. Therefore, we do not provide the de-embedded S Parameters.
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