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Differential-Circuit-Slide11

Again, illustrating this equation makes it easier to visualize its various components. The expansion of the power series reveals that all even-order harmonics in the series are cancelled by their counterparts of opposite magnitude. Only the fundamental signal, highlighted in grey, and the third order harmonic, highlighted in green, have a non-zero contribution. In real life, non-ideal devices will not achieve perfect cancellation but they do benefit from lower even-order harmonics.

PTM Published on: 2011-01-04