Low-distortion two-phase oscillator circuit diagram

Published:2012/11/9 20:23:00 Author:Ecco | Keyword: Low-distortion, two-phase oscillator | From:SeekIC

In the circuit, A1 is used as inverting amplifier, the input-output phase difference is 180°, the integrators A2 and A3 have 90 ° phase shift, therefore, the entire circuit has a phase lag of 360 °, if the loop gain is greater than 1, the circuit will generate oscillation. In order to get the oscillation stability, the R5 and VT1 leakage - source equivalent resistors are connected in series.



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