METHOD FOR REDUCING THE HARMONIC DISTORTION OF A STATE-VARIABLE OSCILLATOR COMPRISING A LEVEL REGULATOR AND STATE-VARIABLE OSCILLATOR FOR ITS IMPLEMENTATION

摘要

The invention relates to state-variable oscillators comprising an inverting amplifier 10 followed by a first 12 and a second 14 amplifier stages and a level-28 regulating organ. / P p ACCORDING TO THE INVENTION INVENTION AN ADDED TO THE OUTPUT OF THE OSCILLATOR A PREDETERMINED PART OF THE SIGNAL PRESENT AT THE ENTRY TO PRODUCE AN OUTPUT HAVING REDUCED AMPLITUDE FOR HARMONICS BELOW A PREDETERMINED ORDER. / P P TO THIS END, THE OSCILLATOR COMPRISES A DIRECT ACTION ELEMENT CONNECTED BETWEEN THE NON-REVERSE INVERTER 10 INVERTER AMPLIFIER AND THE SECOND INTEGRATOR OUTPUT 14. / P