Tremolo Effect Circuit for Electric Guitar or Other Musical Instruments

Tremolo circuit is a kind of sound effect. We can see this type of effect is applied in guitar effect pedals. Tremolo effect is produced if we modulate the amplitude of an audio signal. The shape of modulating signal can vary from square wave, sawtooth, or sine. When we use a square wave, then the effect produce a knocking-like sound which might be perceived..

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