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Build a balun 4:1 - 1:1
A balun is a must for dipoles or similar antennas when they are feed with coaxial cables. Many hams connect the center conductor of the coaxial cable to one side of the dipole, and the shield to the other. Wrong!
post 09 Nov 2024
Toroid & balun Links →
A simple broadband 4:1 Balun Transformer
10 bifilar turns are mount on an Amidon FT-240-61 ferrite core
Balun 4:1 Para varios tipos de antenas
The balun performs this function! that is, it overcomes this inequality and improves signal transfer
UN-UN for longwire antenna
The photo above shows the winding of about 70 turns and of 0.5 mm covered wire
The Dual-Ferrite-Bead 4:1 HF Balun
Ruthroff voltage balun design using a T200-2 Toroid core was selected
Binocular ferrite 9:1 balun RX Transformer
There are lots of good designs for matching transformers for receiving antennas. it's cheap and easy, and very high performance
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10 bifilar turns are mount on an Amidon FT-240-61 ferrite core
The balun performs this function! that is, it overcomes this inequality and improves signal transfer
The photo above shows the winding of about 70 turns and of 0.5 mm covered wire
Ruthroff voltage balun design using a T200-2 Toroid core was selected
There are lots of good designs for matching transformers for receiving antennas. it's cheap and easy, and very high performance
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