A balun is used to connect a balanced line to an unbalanced line. In a balanced line you have two signals working against each other where ground is irrelevant and in an unbalanced line you have just one signal working against ground. A balun will help reduce or eliminate RF current on the outside of a coaxial cable.
Manufacturer of energy absorbing electromagnetic ferrite powder. Offered in particle sizes ranging from 4 microns to 10 microns. Applications include coatings, elastomers, thermoplastics, polymer resin systems, thin flexible EMI tapes, microwave quick-cure or heat susceptors, ignition cables, thermoplastic welding and magnetic tagging.
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Examples are the ferrite bead balun described by Walter Maxwell, W2DU, coiled up coax, and The only difference between these situations is that we have moved the choke balun to a slightly...
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1:1 Balun for HF wire, M0UKD 1:1 50 ohm balun for use on HF horizontal wire dipoles. It uses an AM radio ferrite rod, with 3x14 turns of wire. 10-14 turns should be good for 2-30MHz.
/ˌfɛraɪt rɒd ˈɛəriəl/ (say .feruyt rod airreeuhl) noun a radio aerial, especially of portable radios, consisting of a coil of wire running around a short rod of ferrite An air-wound balun made with coaxial cable can not become saturated because no powder iron or Therefore considers this 'balun' as a very good method to transform from a-sysmmetric to symmetrical.