This electronic ignition for cars of the time was found in the Radio Electronics magazine of May 1976. The circuit uses power transistors that must be mounted on heat sinks.
This simple version of a function generator with the XR2206 was found in the May 1977 issue of...
In a modern version this circuit can use an LED in series with a resistor in place of the lamp. The...
This VFO was found in a 1980s documentation. The central frequency is given by the crystal and the...