November 2007
Intermediate to advanced
736 pages
46h 32m
English
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IMPEDANCE MATCHING
It will be useful to give a simple recapitulation of transformer theory. A transformer represents a straight forward application of the phenomenon known as electromagnetic induction, whereby any change in the magnetic flux linking an electric circuit is accompanied by an induced electromotive force in that circuit. The value of this induced voltage will, at any instant, be proportional to the rate of change of the flux, while its direction will always be such as to oppose the change producing it. The change of linkages may be produced by movement of the electric circuit with respect to a magnetic field which is constant, as in a dynamo, or by varying the current in a stationary electric circuit. When the induced emf produced ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.