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 ...

Potting Using the toroid, I rigged up a quick and dirty half wave supply to test the DC-DC modules. Under load, the hum/buzz of the transformer was quite extreme. I was reminded of the custom toroids ...

A line of standard and custom-designed toroidal step-down control transformers promise less heat generation and smaller size compared to conventional toroidals. With minor losses under no-load and ...

Bel group company Signal Transformer has released its latest High Current Toroidal Inductor (HCTI) Design Kit. This new design kit provides a varied selection of toroidal inductors to design engineers ...