USMPS, classD-like-outputs-bridged version

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Really just offering it for simulation. It is a bit more complicated than I prefer for a circuit, but is simple compared to other circuits which use a somewhat similar concept. It just doesn't use fancy IC chips to carry out fairly complex functions. [My eyes are bad and like big and compact circuit drawings (no more SMDs for me)...]

The feedback loop is actually a bit oversimplified but not totally ineffective. The use of the modem transformer in the feedback loop is how I did my bench circuit. For tighter regulation, at least a transistor is necessary on the isolated side for DC gain. The various ways of changing the feedback are just too numerous. I just left it very basic. I don't often work with bigger circuits than this anymore.
 

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Sorry! I knew I would get those complaints. That is why I didn't post a diagram. Like I was saying, my eyes get strained when I expand them. I think it is easier for you to expand them than it is for me to do it. Just use the drag function. Most of the schematics posted by others I cannot read. Maybe consider it a type of of karmic atonement for you.
 
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