This amplifier circuit with a low power MOSFET was found in Popular Electronics from the 90s. The circuit uses a small transformer of the type found in old transistor radios.
This Linear Technology cold cathode fluorescent circuit operates on power from 4.5 V. The...
This circuit was obtained from an American documentation from 1976. The circuit has a dynamic...
This circuit was originally intended to operate with a solar source for experiments. Transistors are...