RF Choke with Bifilar Windings

By rjbono

This article presents an RF Choke featuring an 11-bifilar turn winding of #14 house wire on a Fair-rite FT240-31 toroid. The choke is enclosed in a 3D-printed case from Thingiverse, though this may pose thermal concerns at higher power levels. With SWR concerns up to 30MHz, the author plans to employ two series chokes at the rig input for improved performance. This choke offers versatility for portable use, with potential mismatch resolution using an antenna tuner. Further testing is anticipated upon the arrival of new cables.

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Antennas/Feed Lines/Choke

The title of the main category is Choke and it deals mainly with Radio Frequency Chokes. The resource has been on our site since Wednesday Oct 25 2023, and it has been viewed 96 times. So far no one has rated it yet. Be the first to rate it!
Last updated: 2023-10-25

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