350_Hz_STABILIZED_SINE_WAVE

Published:2009/7/5 22:20:00 Author:May | From:SeekIC

Squarewave oscillator Q2-Q3 stabilized by Q1, followed by passive filter and active filter using μA709, produces amplitude-stabilized sine wave at 350 Hz, for which third harmonic is 39 dB down and other harmonics are insignificant.-E. Neugroschel and A. Paterson, Amplitude-Stabilized Audio Oscillator, EEE Magazine, April 1971, p 65.



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