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"Roy Lewallen" wrote:
I've avoided this discussion for two primary reasons. One is that it saddens me to see this "controversial" topic being brought up yet again after having been discussed at great length a number of times before. There's no reason I can see for it other than Cecil's religious zeal and dogged determination. The reason is that you are wrong and I have provided expert testimony that you are wrong. I'm trying to stop you from speading false information so don't fault me for that. The fact that you refuse to have a technical discussion with me in spite of the numerous expert postings that prove you are using an invalid model, speaks volumes. The results of the spreading of lumped-circuit analysis myths is that you are hoodwinking the uninitiated. Fortunately, some very good, honest, and knowledgeable people have been doing a very good job of presenting the facts. These include Tom, W8JI; Ian, G3SEK; Wes Stewart, N7WS; and Gene Fuller, W4SZ. This is an argumentum ad verecundiam, a well known logical diversion and not a technical argument. I have quoted just as many experts and you have ignored them. In particular, R.W.P. King is quoted from "Electromagnetic Engineering": ... for coils whose *wire length* exceeds 1/6 wavelength, an adequate representation of the reactance of a coil is *NOT POSSIBLE* in terms of a coil with a uniform current [a lumped-element inductance]..." Roy, my 75m bugcatcher coil, made from 44 feet of wire, is more than 1/6 wavelength of wire. R.W.P. King says your lumped-circuit analysis is *NOT POSSIBLE*. He used bold print and underlined the words, *NOT POSSIBLE*. Ignoring the quotations from the true experts is just going to leave you ignorantly spreading old wives' tales. Is that really how you want to be remembered here? Why are all of you alleged "experts" unwilling to discuss technical quotes like R.W.P. King's above? Are you afraid that readers will discover your common mistake which Dr. Corum calls "sophomoric"? As Dr. Corum says: "There are no standing waves on a lumped element circuit component. (In fact, lumped-element circuit theory inherently employs the cosmological presupposition that the speed of light is infinite, as every EE sophomore should know." Why do you choose to absolutely ignore that technical knowledge? -- 73, Cecil, W5DXP |
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