THD - Total Harmonic Distortion
Автор: All Electronics Channel
Загружено: 2022-12-27
Просмотров: 15567
Описание:
Gregory explains what is THD - Total Harmonic Distortion, using the circuit from the last video.
An oscilloscope is used for a THD measurement, and the limitations are shown, as the harmonic distortion of the oscilloscope front-end masks the oscillator THD.
THD is a measurement of distortion, used as the main figure of merit in audio applications, where the non-linear behavior is characterized using the power at the harmonics of the fundamental signal.
Watch my video about Nonlinearity and Distortion
• Nonlinear Circuit Distortion Explained: Od...
Watch my explanation about the Wien Bridge Oscillator
• Wien Bridge Oscillator with AGC and PLL
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00:18 - Oscillator prototype
01:12 - Circuit behavior
02:12 - Total harmonic distortion
07:10 - THD measurement
07:56 - Measuring distortion with oscilloscope
11:18 - Final circuit details
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