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 ...

Figure 1a illustrates a typical transformer having a primary to secondary turns ratio of 1:N and a primary inductance of LP. In the real world, however, transformers aren't ideal, and they can ...

Once electricity finally reaches your home from the power plant, it's not in the same form that it left in. When power is created at a plant, it's produced at a voltage that's either too low or too ...

Single-transistor forward converters are popular in higher-power isolated power supplies because they feature low parts count and component stress. On the downside, careful attention must be given to ...