Found in a 90s PE Hobbyst Handbook, this circuit mimics the sound of a space gun. The components are common, and changes can be made to modify the sounds.
For reference only, this is the first IF amplifier stage of a common transistor radio from the...
This circuit from July 1975 Radio Electronics uses any operating system with a symmetrical source....
This setting is valid for other transconductance operational amplifiers. The circuit is from...