Sine Wave Oscillator Circuits

  

Circuits


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There are different kinds of oscillators based on the output waveform they generate. Like. Sinusoidal oscillators – they generate sinusoidal (sine) wave output. Square wave oscillators – they gen...

For the phase shift oscillator circuit, the OPA604 gives a similar small sine wave with jumping frequency while the LM3900 gives no oscillation, the ouput just stay at about 2.5V. So could anyone p...

After the pretty bad sine wave trial of the last two days, it's time to try another circuit: Screen Shot 2012 05 13 at 15 55 30. This is a “Phase Shift Oscillator” from the same op-amp book as the ...

Oscillators convert a DC input (the supply voltage) into an AC output (the waveform), which can have a wide range of different wave shapes and frequencies that can be either complicated in nature o...

The nice property of this circuit is that it has a very high input impedance, so there is virtually no current draw from the oscillator. And sure enough, the output of this op-amp is a sine wave wi...

After yesterday's failed attempt to generate a clean since wave, I started experimenting a bit further. How could the Op-amp book be so wrong about the quadrature oscillator circuit? The nice thing...