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Tagged with wien-bridge analog
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Wien bridge oscillates at 6x expected freq and amplitude oscillates too
A while ago I made a Wien bridge oscillator to go from ~500 Hz to ~1 MHz, using an NE5532 opamp and stabilizing amplitude with the typical opposing diodes method. Worked fine, but the output was too ...
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Is the Wien Bridge oscillator essentially a resonant filter?
According to chapter 21 of Electronic Principles(8th edition), the Wien bridge oscillator uses the Johnson-Nyquist noise from one of the resistors as the startup voltage. It selects for a desired ...