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H4-64: DISTORTION IN AUDIO AMPLIFIER 8 years 1 month ago #1457

  • zzfixk21
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ID Code: H4-64
Purpose: Demonstrate distortion due to over-driving an audio amplifier.
Description: Raising the input signal level past its linear range creates distortion in the output signal, which can be seen on the upper trace of the scope, and additional harmonics in its spectrum, which is shown on the lower trace. The change in sound, resulting from the creation of additional harmonics, can be easily heard.
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