This inverter circuit with transistors provides a voltage of 300 V from a 12 V supply. The current, with the original transistors, is only 55 mA. Transistors must be mounted on heatsinks.
This configuration, explored several times on this website, shows how to use a 3-terminal voltage...
This circuit is from a 1967 Triplett manual. The circuit uses components of the time, the common...
Applications for this circuit include hearing aid, stethoscope, etc. Transistors are general...