Wien bridge oscillator with amplitude stabilization

126

01:27:34

Shake the device to start oscillations.According to barkhausen criteria we need Aβ>1 for sustaining oscillations.But for a practical circuit this leads to distortion.So we use diode amplitude stabilization for this circuit.Open the switch and diode are removed and there is no amplitude stabilization.The circuit is designed for a frequency of 1KHz and 10Vpp amplitude.

published 9 years ago

Stiofan

9 years ago

Amazing demo, using the device accelerometer as an input. Almost dont want to ask the magician whats behind the curtain

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