22 Mar '13, 2am

Three things they should have taught in Engineering 101 (Part 3: Learn an intuitive approach) @ednmagazine

Three things they should have taught in Engineering 101 (Part 3: Learn an intuitive approach) @ednmagazine

You must drill the basics. For example, what happens to the impedance of a capacitor as frequency increases? It goes down. You should know that type of information off the top of your head. If you do, you can identify a high-pass or low-pass filter immediately. How about the impedance of an inductor—what does it do as frequency increases? What does negative feedback do to an op-amp; how does its output change? You do not necessarily need to know every equation by heart, but you do need to know the direction of the change. As far as the magnitude of the change is concerned, if you have a general idea of the strength of the signal, that is usually enough to zero in on the part of the circuit that is not doing what you want it to. You need experience, and lots of it. You need to get a feel for how different components work. You need to spend a lot of time in the lab, and you ...

Full article: http://www.edn.com/design/components-and-packaging/441045...

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