Title :
Wien bridge oscillators using active compensated VCVS
Author :
Carlosena, A. ; Martínez, P.A. ; Celma, S. ; Porta, S.
Author_Institution :
Dept. Ingenieria Electr. e Inf., Zaragoza Univ., Spain
Abstract :
The use of two opamps VCVS (voltage controlled voltage source) in the Wien bridge oscillator is explored. The structures presented are the only ones that exhibit the property of oscillation frequency quite independent of the time constants of the opamps, and determined only by passive elements. Measurements carried out confirm this prediction
Keywords :
compensation; operational amplifiers; oscillators; Wien bridge oscillators; active compensated VCVS; op amps; oscillation frequency; two opamp configuration; Accuracy; Bridge circuits; Computational Intelligence Society; Distortion measurement; Equations; Frequency dependence; Impedance; Oscillators;
Conference_Titel :
Circuits and Systems, 1990., Proceedings of the 33rd Midwest Symposium on
Conference_Location :
Calgary, Alta.
Print_ISBN :
0-7803-0081-5
DOI :
10.1109/MWSCAS.1990.140902
