IP3 (intercept point of order 3) is a spec one find in many RF component datasheet. It is directly linked with the linearity of a function behavior.
More precisely, It indicates the amount of the intermodulation products of order 3 that interfere with the baseband.
The above pictures show the lab setup and a Spectrum Analyzer screenshot to measure the IP3 of a device (DUT) in the lab.
- What are the frequencies provided by sources 1 and 2?
- What is the IP3 measured in that test?
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[edited by: emassa at 5:46 PM (GMT -5) on 2 Mar 2023]