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 ...

The O-Core toroidal power transformer cores enable the production of transformers that are 15% smaller in size and weight than traditional toroidal transformers. The cores use a silicon steel strip ...

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 90% ...

I found myself in a sticky situation at an AM tower site a few weeks back. I was a couple of hours away from the studio and working alone, trying to make a quick fix to the antenna tuning unit. I had ...

This chapter excerpted from Sevick’s Transmission Line Transformers describes the balun as a subset of transmission line transformers with an in-depth treatment of most used types. Schematics and ...