A New Class of Scaled-Frequency Sinusoidal RC Oscillators

Abstract

A novel scheme of a class of RC oscillators with operational amplifiers for low frequency sine wave output is described. Distribution of the RC parameters, grouped in four driving point functions which in turn are oriented in a fixed pattern with respect to the active devices, gives rise to a number of cases in the specified class. A few cases are listed here and appropriate stability study has been made for them. One of the schemes has also been experimentally tested and results tabulated.

Indexing Terms:

• RC-Oscillators
• Scaled-Frequency Oscillators
• Sine-wave Oscillators