On 11/21/2015 8:22 AM, Daniel Danny Horvat wrote:
Placing an "open" wound 2.4" toroid BALUN on/near a ground plane will
affect the real performance of that BALUN which is not the case with common
"enclosed" binocular BALUNS used in industry.
Just my $0.02
Danny E73M
This is a good point. If the cores are sitting close to a ground plane
will the small asymmetries between the conductors in the bifilar turns
and the ground plane be large enough to skew the results of a 4 port
measurement toward a misleading conclusion about balun performance?
73, Mike W4EF..........
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