@article{malvar1979ramp, author = {Malvar, Henrique S.}, title = {Ramp Generator has Separate Slope and Frequency Controls}, year = {1979}, month = {December}, 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.}, publisher = {Mc. Graw Hill, Inc.}, url = {http://approjects.co.za/?big=en-us/research/publication/ramp-generator-has-separate-slope-and-frequency-controls/}, journal = {Electronics}, edition = {Electronics}, }