Quote:
Originally Posted by fmnotes
FRIEND MY I UNDERSTOOD,
BUT IN ORDER TO IT DETECTS THE SIGNALS FROM MY VLF, IT SHOULD THE INDUCTOR OF VLF THEY IS VERY NEAR THE FERRITI.
THE FERRITI I MANUFACTURED HIM FROM YOUR DIRECTIVES.
57mH. 2 FERRITE
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Yes, this is according project presented in schematic.
But if you wish to get even more directive antenna than proposed, you can glue in line (axial) more than two ferrite rod (say 3) and split coil wound on ferrite in 3 to 5 serial connected sections, then tune it on the best directivity.
Total inductance can remain the same of about 57mH, otherwise you need to change value of capacitors line.