Devices can reproduce input frequency with constant amplitude and/or phase (no distortion). Devices can reproduce input frequency with varying frequency, amplitude, and/or phase {distortion}. Devices can vary output with input frequency {linear distortion} or with voltage {nonlinear distortion} below or above linear-response range.
compression
Large voltages can have less relative gain than small voltages {compression, audio}. Compression creates lower harmonics.
clipping
Voltage can have limits {clipping}. Clipping creates higher harmonics.
overdriven harmonics
Non-linearly amplifying a tone and its fifth (ratio 3/2) can generate sum and difference frequencies of harmonic tones: higher and lower octaves, fifths, and fourths {overdriven harmonics}.
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Date Modified: 2022.0224