Article | October 25, 2022

How Can Crest Factor Be Used to Assess Amplifier Linearity?

Crest factor (CF) is the ratio of a signal's peak amplitude to its average power. Also called the peak-to-average-power ratio (PAPR), CF reveals a signal’s extreme peaks. Analyzing an amplifier's input and output CF values can validate linear operation or determine nonlinearities in the system.

This post explores the CF method as an assessment for amplifier linearity as well as important peak power sensor considerations.

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