Wein Bridge - with diodes

228

04:39:32

Wien Bridge Oscillator with amplitude stability

published 4 years ago

avid0g

4 years ago

The R•C network has a gain of 1/3, so the resistors on the minus (inverting) input need the same 1/3 gain plus a tiny surplus. The diodes conduct once the amplitude forward biases them. This increases the negative feedback.

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