Found in documentation from the 1980s, this converter or inverter circuit uses components from that time, operating at a frequency of 100 kHz.
This circuit with only two transistors is from an 80's EDN. It can be implemented with two current...
This circuit that uses only discrete components (transistors) mimics the sound of an American...
This circuit is from Dutch documentation from 1967. The circuit works with a component of the...