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On Wed, 11 Jan 2006 00:36:25 GMT, Cecil Moore wrote:
You already know what I am trying to say. I must not be saying it very well. When a parallel cap is used on a 75m screwdriver antenna to achieve 50 ohms, the screwdriver is tuned to 1/50 + j1/X, i.e. slightly inductive. When a parallel coil is used, the screwdriver is tuned to 1/50 - j1/X, i.e. slightly capacitive. Negative susceptances are inductive. An inductive reactance of j5 is a susceptance of 1/j5 or -j1/5. I agree with your words, the sign of the admittances is wrong. Owen -- |
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