Wien-Bridge Oscillator Circuits. By Darren De Ronde May 15, 2002. Why Look At the Wien-Bridge?. It generates an oscillatory output signal without having any input source. Basics About the Wien-Bridge.
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By Darren De Ronde
May 15, 2002
Need to find the Gain over the whole Circuit: Vo/Vs
Solve G equation for V1 and substitute in for above equ.
We now have an equation for the overall circuit gain
Simplifying and substituting jw for s
If G = 3, oscillations occur
If G < 3, oscillations attenuate
If G > 3, oscillation amplify
G = 2.9
G = 3.05
Fast Fourier Transform of Simulation