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May 10th 08, 03:11 PM
posted to rec.radio.amateur.antenna
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Coils getting hot in antennatuner. Is this normal ?
Highland Ham wrote:
D. Huizinga wrote: Hi there. My 40 mtr doublet is fed with a balanced line of 300 Ohms. Nicely tunable to 1:1 . But after twenty minutes or so the coil gets rather hot! It is a quality coil of 3 mm and shiny silvered or chromed on a ceramic body of 1 inch. How are your experiences with a 100 W tx ? I calculate just 0.3 Amps thru it. The mind boggles on this..! Where does that heat come from ? -================================ What is the configuration of your antenna matching unit , if with more than 2 inductors , which one gets hot ? ============================ Sorry , I meant : if more than 1 inductor. Frank GM0CSZ / KN6WH |
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