Vittorio Rizzoli and Oscillator Analysis

A remarkable property of Prof. Rizzoli's work was his consistent ability to develop new simulation technologies to a high level of completeness. Nowhere was that more valid than in his development of oscillator analysis, solving three well recognized problems: lack of uniqueness, frequency determination, and avoiding the "zero solution." His method is still one of the dominant ones in oscillator simulation. This paper will examine his work in this area, in context with previous oscillator analysis methods.