Careful selection is vital, with in this case a toroidal mains transformer and good quality capacitors being chosen. The choice between a linear power supply such as this one and a switching ...

Anyone who has ever wound a toroidal coil by hand can tell you that it’s not exactly a fun job. Even with the kinds of coils used in chokes and transformers for ham radio, which generally have ...

The A12 features dual toroidal transformers to deliver its substantial Class A/B amplification that Advance Paris says will handle any speakers — from bookshelf to towers — with ease.

How a tokamak works: The electric field induced by a transformer drives a current (big red arrows ... The other magnetic field going around the length of the doughnut is referred to as toroidal (green ...