Looking to use the ADL5521 at 1.59GHz.
1) Do the s-parameters on the web include the matching network shown in the datasheet?
2) Does I need the matching networks or can I get away without using them?
The s parameter for the ADL5521 and the ADL5523 are de-embedded, which means that they are with respect to the pins of the device. And, yes, you do need to use the external matching components to achieve the performance that is specified on the spec page.
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