(Bal-anced to Un-balanced)
K8KIZ 7/2014



Voltage baluns are easier to make and will
work in any number of situations.
Current baluns, while more difficult, tend to
be more effective over a greater range of
circumstances, balancing the current on both
sides of the antenna.
Usually, any balun is better than no balun.
K8KIZ 7/2014
With neater turns,
this free form
‘UGLY’ balun is as
good as the one
above!
Photo Credit: K3DAV
K8KIZ 7/2014



Both voltage and current baluns are available
from a number of manufacturers.
Making your own is definitely within the
capability of the average ham.
Using a readily available kit, you can save at
least 60% off the price of a commercial unit.
K8KIZ 7/2014
$15.35
K8KIZ 7/2014
Not included!
K8KIZ 7/2014
K8KIZ 7/2014
K8KIZ 7/2014
10 turns = 36 degree divisions
K8KIZ 7/2014
K8KIZ 7/2014
K8KIZ 7/2014
A wire that passes through the center
of the toroid counts as one turn!
K8KIZ 7/2014
K8KIZ 7/2014
K8KIZ 7/2014
K8KIZ 7/2014
K8KIZ 7/2014
K8KIZ 7/2014
K8KIZ 7/2014
K8KIZ 7/2014
Heat
Shrink
Tubing.
K8KIZ 7/2014
Start the shrink wrap at the bottom,
so the top piece will overlap for water
drainage.
K8KIZ 7/2014
K8KIZ 7/2014