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 ...

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 ...

We report a fabrication technology for 3D air-core inductors for small footprint and very-high-frequency power conversions. Our process is scalable and highly generic for fabricating inductors with a ...

No longer able to lean on a weak loonie, companies like Plitron found the guts to invest in new equipment in 2010 You can save this article by registering for free here. Or sign-in if you have an ...