Common-Mode Chokes
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Common-Mode Chokes1 by Chuck Counselman, W1HIS Summary Your ability to hear weak MF and HF signals is limited by noise, generated mostly by solid-state electronic switches within your own house, conducted via the 60-Hz power line to your shack, and from there to your antenna by common-mode current on the feed- line. Putting common-mode chokes on your feedline, power, and other cables will sub- stantially reduce your received noise level. A…
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