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Ramp Generator has Separate Slope and Frequency Controls

Henrique S. Malvar

Abstract

Isolating with four analog switches the frequency-determining portion of the circuit from that controlling the charging and discharging of its RC integrator, this ramp generator achieves independent selection of slope ratio and repetition rate. Such a unit is useful in a music synthesizer, where timbre must be changed without affecting a note's fundamental frequency.

Details

Publication typeArticle
Published inElectronics
PublisherMc. Graw Hill, Inc.
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