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Cecil Moore wrote:
In case you missed it, here's what Walter Maxwell had to say about the subject: "If an inductance is in series with a line that has reflections, the current will NOT be the same at both ends of the inductor." "Consequently, circuit analysis will not work when both forward and reflected currents are present in a lumped circuit." Cecil, I really think you should let Walt speak for himself. You have a history of distorting facts and taking statements out of context, and may be discrediting Walt. Walt is too nice a person for me to stand by and let that happen. If anyone really thinks that as a stand-alone statement, it is not correct. I suspect he didn't get the full story or wasn't following a discussion closely, or you have snipped something out of context. It's very easy to take small areas out of context and make it seem like someone is saying something they are not. Any circuit analysis will work so long as the load impedances used in the analysis are the same as the load impedances presented at that point by an antenna. The behavior of any small two-terminal component REQUIRES currents to be essentially equal. It's only when the component has a third significant path to the outside world that currents can be unequal. If I have a small capacitor, current flowing in one lead is equal to current flowing out the other and the phase of each current is exactly equal. Same for an inductor. That's not a guess, that's a rule of how things always behave. I'm wondering if the real problem is some people spend too much time with transmission lines and antenna and not enough time with circuit components, and become rusty? In any event, you do enough damage to people's reputations Cecil. Please leave Walt alone. He will speak for himself if he likes. 73 Tom |
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