A controversial topic; a complex topic; a topic many would like to avoid – anyway, it’s just ground.
This topic can take a few hours to discuss; it’s an art form constrained by science – there’s a lot of “feel” that goes into a successful grounding design. And it *is* a design process that most people simply slap together. Comes from the method of teaching text-book design with simulators I suppose: all wires have zero resistance, all grounds are identically zero. Power and ground aren’t “interesting”.
Let’s start with a question: “What is a ground plane?”
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