KD9562 octave analog sound music circuit

KD9562 music octave circuit is analog sound circuits can be issued rifle sound, space shots, game console sound, dual-tone door so sound, the sound of bomb explosions, machine gunfire and the sound of an ambulance. The main electrical parameters:

Working voltage 2.4 ~ 5v; quiescent current 2 ~ lOv: A + approximately 3V the circuit operating current llOmA, about 165mA at 4.5V. Application circuit and circuit board

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