Video: Suppression Ferrites ...by Bruce Sparrow, N2KTV

At the recent 2024 Hamvention, Bruce Sparrow N2KTV gave a short presentation about ferrites used for suppressing RF interference.

The video can be seen below...

Articles about using Ferrite Cores as RF chokes

Ferrite cores are used everywhere in radio from RF transformers to filters to chokes. They are often made from different materials that will have different properties at different frequencies and they are often seen as a bit of a Black art.

I came across some recent articles on using ferrite cores as RF chokes and I'm posting the links here so I don't lose them.

1) QRM GURU : The truth about ferrites... This website looks at a selection of ferrite cores and how they can be use to prevent interference at HF & VHF.

2) K9YC ... This website has a detailed PDF on using ferrite cores as RF chokes.