@Down South, without trying to be condescending, I get definite Dunning-Kruger vibes here.
Please allow me to fill in some basics:
Read about the Nyquist-Shannon-theorem and its ramifications. A good starting point is https://en.m.wikipedia.org/wiki/Nyquist–Shannon_sampling_theorem. But beware, from reading it to really grokking it is quite a bit of a distance, you have to understand a lot of physical basics (and again, I don‘t mean simply having read about it once). In my eyes, Nyquist-Shannon is one of the most misinterpreted and misunderstood theorems.
Then, please read one of the classics, „The Art of Electronics“ by Horowitz and Hill. Please start with Section 1, Foundations, then Section 6, Filters, followed by Section 8, Low-Noise Techniques. Read other sections as required.
The next book I would suggest is another of the classics, „Microelectronic Cirquits“ by Sedra & Smith. Part II especially focuses on amplifier design (including feedback circuits, which is important for the V3).
For class D amplifiers you have to additionally understand how pulse-width-modulation works (we ignore the input stage) and the crucial role of the output filter and thus the Nyquist-Shannon-theorem. For a first overview, Wikipedia is actually ok, but follow the literature recommendations: https://en.m.wikipedia.org/wiki/Pulse-width_modulation
As soon as you have really understood this basic literature you will see that e.g. @antcollinet and others are simply trying to help, and are pretty much spot on in what they are saying.
If you need more pointers to relevant literature, please ask. Many more here will be able to provide many more books and papers.
Please allow me to fill in some basics:
Read about the Nyquist-Shannon-theorem and its ramifications. A good starting point is https://en.m.wikipedia.org/wiki/Nyquist–Shannon_sampling_theorem. But beware, from reading it to really grokking it is quite a bit of a distance, you have to understand a lot of physical basics (and again, I don‘t mean simply having read about it once). In my eyes, Nyquist-Shannon is one of the most misinterpreted and misunderstood theorems.
Then, please read one of the classics, „The Art of Electronics“ by Horowitz and Hill. Please start with Section 1, Foundations, then Section 6, Filters, followed by Section 8, Low-Noise Techniques. Read other sections as required.
The next book I would suggest is another of the classics, „Microelectronic Cirquits“ by Sedra & Smith. Part II especially focuses on amplifier design (including feedback circuits, which is important for the V3).
For class D amplifiers you have to additionally understand how pulse-width-modulation works (we ignore the input stage) and the crucial role of the output filter and thus the Nyquist-Shannon-theorem. For a first overview, Wikipedia is actually ok, but follow the literature recommendations: https://en.m.wikipedia.org/wiki/Pulse-width_modulation
As soon as you have really understood this basic literature you will see that e.g. @antcollinet and others are simply trying to help, and are pretty much spot on in what they are saying.
If you need more pointers to relevant literature, please ask. Many more here will be able to provide many more books and papers.
