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how to design phase-shift Oscillator?

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ali_ali

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Oscillator

Have any ever Designed A phase-shift Oscillator? I want all the calcuations and Schematics For analysis. So please Help me Thanks.
 

Re: Oscillator

Texas Instruments has a good document about Sine-wave Oscillators. I made one similar to their buffered phase-shift oscillator. I used some gain on each opamp.

The first opamp clips a little but the three RC lowpass filters reduce the distiortion to almost nothing.
 

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