Found in an 1989 R-E Experimenters Handbook, this circuit produces several sound effects that can be modified. The signal must be applied to an external amplifier.
This circuit was found in an Electronic Engineering of the 80s. The circuit indicates when a...
The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a...
Found in American 90’s documentation, this circuit generates 300 Hz depending on the capacitors...