Using a component of the era, this 1968 Mallory circuit uses an output transformer whose characteristics were not provided in the original documentation.
The transistors in this circuit can be BD135 and BD136 for currents up to 500 mA. The circuit...
This circuit is for an inductive charger for the previous project, which can eventually be adapted...
This source is indicated for the supply of power amplifiers. The circuit is from 1999...