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Keith Dysart wrote:
Well, I know what I mean by 1/4WL and in my definition there is no way that (46.4 + 10) = 90. Of course, those are *physical* degrees. We are talking about *electrical* degrees. It is impossible to get the reflected wave in phase with the forward wave unless there is an electrical 90 degree phase shift. If you lay the 43.4 degrees out starting at Z=0 toward the load on the Smith Chart and lay the 10 degrees out starting at Z=infinity toward the source, you will observe the phase shift caused by the impedance discontinuity. ... the only way to determine if something is 90 degrees (according to your definition) is to ask you. All one has to do is plot it on a Smith Chart and the number of electrical degrees is obvious. If you don't know how to use a Smith Chart it might be time to learn how. -- 73, Cecil http://www.w5dxp.com |
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