We found this circuit in a Radio Electronics Experimenter from 1990. The circuit uses a common incandescent bulb and a car ignition coil.
This receiver is from an old English magazine from 1965. The transistors used are germanium, no...
Found in a 1980s documentation, this circuit makes use of components from that time. Modern...
This version is a variation of the previous circuit, inverting the position of the transistors to have the...