VCO_SOUND_SYNTHESIZER

Published:2009/7/2 0:43:00 Author:May | From:SeekIC

Developed for use in instrument capable of duplicating variety of sounds ranging from bird distress calls and engine noises to spoken words and wide variety of musical instruments. Three-part article gives all circuits and describes their operation in detail. Heart of oscillator is triangle and square-wave generator built around IC Schmitt trigger. Ramp rate and operating frequency are varied by changing drive voltage or gain of integrator. Similar VCO in synthesizer also produces sine, pulse, and ramp waveforms.-T. Orr and D. W. Thomas, Electronic sound synthesize, Wire-less World, part 1-Aug. 1973, p 429-434; Part 3-Oct. 1973, p 485-490.



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