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Is the out-of-band IP3 useful to check a band-pass filter linearity?

Question asked by Justine Perrier on May 19, 2016

In order to check the linearity of my (tunable) RF band-pass, I measured the in-band OIP3. Now, I wonder if the out-of-band OIP3 is useful to check/confirm the linearity.

If anyone have an answer, please let me know. Thanks in advance.