Summary Guide to Ferrite Mix by Frequency.
Posted: Sun Jan 14, 2024 12:07 pm
I don't know who made this little table of the common ferrite mixes, and which is best for which frequency range. Let me know and they'll be credited.
The comprehensive balun post here might also interest: viewtopic.php?t=88
And thank you for a reminder gleaned from a recent QSO, that even the best ferrite is lossy but gives increased bandwidth. So if you are making a balun for a just a single band, maybe consider an air-cored solution instead? They are simple and efficient, have no ferrite heat to dissipate, and there are lots online designs and commercial products to choose from. The comprehensive balun post here might also interest: viewtopic.php?t=88