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9:1 balun
Primary winding 30 turns,secondary winding 10 turns,after checking for proper solder joints, you may pot all components in epoxy
post 03 Mar 2024
Toroid & balun Links →
How to Build an UNUN
If you want to built your own UNUN, up F114-67 ferrite core, a few feet of #14 enameled copper wire enough for 9, bifilar turns
Homebrew
A universal matching transformer giving 1:1; 4:1 balanced and 9:1 unbalanced
il balun balanced - unbalanced
1:1 presenta al connettore una linea sbilanciata, avendo in ingresso un'antenna bilanciata
Les baluns sur tores en ferrite
It is necessary to consider the average power to be transmitted, not only the maximum power. Core saturation only occurs during power peaks
Toroid T200 for long wire antenna
Balun unun to feed a long wire antenna ideally without a tuner a 9:1 voltage unun design using a T200-2 Toroid core was selected
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If you want to built your own UNUN, up F114-67 ferrite core, a few feet of #14 enameled copper wire enough for 9, bifilar turns
A universal matching transformer giving 1:1; 4:1 balanced and 9:1 unbalanced
1:1 presenta al connettore una linea sbilanciata, avendo in ingresso un'antenna bilanciata
It is necessary to consider the average power to be transmitted, not only the maximum power. Core saturation only occurs during power peaks
Balun unun to feed a long wire antenna ideally without a tuner a 9:1 voltage unun design using a T200-2 Toroid core was selected
40m Compact 4-Square Antenna Compact 4-Square Antenna – EA5AVL The EA5AVL 40M Compact 4-Square Antenna was designed to provide excellent DX communications on the 40m band
The K9AY loop antenna for 160 and 80m bands You don't have the space to put up a 4 beverage antenna's, an ewe or a 4-square and want 'good ears' on 160 and 80m? no problems try a k9ay loop antenna
Spiderbeam 10-15-20m E' una Yagi tribanda full-size leggera, fatta di tubi in vetroresina e filo