Found in an Electronics World of 1969, this circuit causes a light bulb to flash along with the audio signal applied to the input. The circuit only works with incandescent lamps. C can be 47 nF to 220 nF.
Based on a Linear Technology integrated circuit not currently easy to obtain this circuit converts the d...
This circuit, of a Popular Electronics of 1969 is destined to firing a gas LASER of the time. The...
This circuit uses an operational amplifier to simulate an inductor. The circuit is from old...