Current Balun / Current Choke / Choke Balun

Felix Meyer
HB9ABX  update 3.Aug.04, 5.4.05, 16.4.05, 18.4.05,  ...  9.12.2018

  A technical description with construction guide
and a lot of hints for the proper use of baluns.
Together with the proper core selection and list of providers
for the required materials.

This type of balun is more efficient than the W2DU design,
where a number of ferrite rings is pushed over the coax cable. 

And: - Explanation of the current balun   
And: - How to measure a current balun   

If you are interested in this article read this.

      Here is the construction guide (in :
      -  curr-balun.htm