Which is better, 2 separate toroidal cores for a Guanella 4:1current balun or 1 toroidal core?

June 24th 11, 04:42 PM posted to rec.radio.amateur.antenna

Owen Duffy[_2_] Owen Duffy[_2_] is offline

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Which is better, 2 separate toroidal cores for a Guanella 4:1current balun or 1 toroidal core?

On Saturday, 25 June 2011 01:01:00 UTC+10, Michael wrote:
I've been reading several articles on how to build a Guanella 4:1
current balun. Some articles show a single toroidal core being used
for all windings, and some articles show two separate toroidal cores
being used. Which is better?

The single core does not work properly, see http://vk1od.net/balun/gsc/ .

Owen

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