Yes. That's one way of visualizing the operation: each half drives half of the load in normal (single ended) fashion. Of course, in the real world you can't split a load like that, but you can imagine the voltages on each side swinging up and down, opposite of each other, like a see-saw on a playground. And right in the middle, is the stationary fulcrum (ground).
Professor, I know this topology makes for a closer to ideal power amp, but I struggle to understand where does the apparent even harmonics attenuation/elimination stem from? Perhaps you could shed some light on this aspect? Otherwise, thank you for this episode!
In general, even harmonic distortion occurs when the waveform is treated asymmetrically around zero. If a waveform doesn't have halfwave symmetry, then it must contain at least one even harmonic. This is explained in more detail in my free text (follow links in description).
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Thanks for the Video. Regarding the load: if you had 2 x 50R in series, would you measure permanent GND between the two 50R resistors?
Yes. That's one way of visualizing the operation: each half drives half of the load in normal (single ended) fashion. Of course, in the real world you can't split a load like that, but you can imagine the voltages on each side swinging up and down, opposite of each other, like a see-saw on a playground. And right in the middle, is the stationary fulcrum (ground).
Professor, I know this topology makes for a closer to ideal power amp, but I struggle to understand where does the apparent even harmonics attenuation/elimination stem from? Perhaps you could shed some light on this aspect? Otherwise, thank you for this episode!
In general, even harmonic distortion occurs when the waveform is treated asymmetrically around zero. If a waveform doesn't have halfwave symmetry, then it must contain at least one even harmonic. This is explained in more detail in my free text (follow links in description).