hello Erich.
I am trying to concentrate a magnetic field running at 10Mhz. I have built a toroid around the inductive load of the final stage which I can load to about 200Watts.
The diameter of the coil is about 25mm and is wound on a PVC former with 22 of 10mm X 100mm toroid bars running the length of coil. I believe that this arrangement concentrates the field within the coil. Can you think of any way in which I can alter the pattern.
Ta, Nanobill.
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