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KCC's Quizzes: AQQ229 about IP3 lab measurement


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.


  1. What are the frequencies provided by sources 1 and 2?
  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]
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