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"Ian Jackson" wrote People keep saying that they use 4:1 or 9:1 baluns. Often I can see no reason for this (such as when simply feeding a dipole with coax, or on the output of an ATU). I'm obviously missing the point. Why the impedance transformation? ===================================== Nearly always there IS no point to be missed. Reasoning seldom enters an argument. Which of the infinite number of impedance ratios on one antenna are to be favoured? Personally, I have never used a balun except of the choke variety which can be used between indeterminate impedances of any ratio to serve a recognisable purpose. But the right to free speech must be held. ---- Reg, G4FGQ |
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