KD9562 eight-tone analog sound music circuit

The KD 9562 music circuit is an eight-tone analog sound circuit that can emit rifle sounds, space gun sounds, amusement equipment sounds, two-tone door
commands, bombing sounds, explosion sounds, machine gun sounds and ambulance sounds.
    Main electrical parameters: working voltage 2.4~5v; quiescent current 2~10v: A+ circuit working current is about
110mA at 3V and about 165mA at 4.5V.
    Its application circuits and circuit boards