Better Alternative for Measuring Amplifier Linearity

This application brief compares three methods for assessing amplifier linearity: third-order intercept, noise power ratio, and crest factor (with complementary cumulative distribution function - CCDF). The crest factor (CF) approach is shown to provide a clearer indication of signal compression (non-linearity), to be lower cost, to be simpler and less prone to errors, and to provide higher accuracy results.

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