Originally posted by charan
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As far as I know, sleeve should be 1/4 wavelength long (VF=1) and that there is no fixed figure for dia of the sleeve. The sleeve dia should be several times the dia of coaxial cable.
There are several experienced forum members who have good knowledge & experience on this subject. I hope they will come forward and give you (and me also) good advise about sleeve/balun dimensions.
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