Toroidal transformers are compact, efficient, and play a vital role in modern electrical systems, but how do they actually work? In this video, we explore the inner workings of toroidal transformers ...

HF radios often use toroidal transformers and winding them is a rite of passage for many RF hackers. [David Casler, KE0OG] received a question about how they work and answered it in a recent video ...