COLLINS BALUN 1:1
collins balun 1:1
collins balun 1:1
For a range of 3 - 28 Mhz, you can use 130 cm of coax cable for each side (A, B), make 7-8 turns on 11 cm diam.
the same as above with only 1 turn (just to understand schematic)
collins balun made with teflon-cable
an other version of collins balun 1:1