till.com Electronic Music Articles

A Quadrature Trapezoid Voltage Controlled Oscillator

J. Donald Tillman
19 July 2003
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This is a set of articles about a new topology for a Voltage Controlled Oscillator for electronic music applications featuring quadrature outputs and thru-zero FM capability . 

Part 1  Discussion
Part 2  VCO Core Implementation
Part 3  The Trapezoid Waveform


Originally there were plans for many more articles in this series, covering variations and applications of the QTVCO, but I'm trying to commercialize it right now, and so those will have to wait.

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Copyright 2003, J. Donald Tillman