TREMOLO_CIRCUIT

Published:2009/7/11 1:14:00 Author:May | From:SeekIC

This circuit adds a VLF AM component to an audio signal. This effect is widely used in musical instru-ments. U1C, a phase-shift oscillator operating at a few Hz applies a signal to Q1, which modulates the gain of U1D. R11 varies the level of the effect, while R12 varies the frequency.



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