Title :
Harmonic characterisation of feedback systems incorporating saturation nonlinearities
Author :
Bowron, P. ; Motlagh, M.R.J.
Author_Institution :
Dept. of Electr. Eng., Bradford Univ., UK
Abstract :
Discrepancies in the prediction of jump-resonance frequency responses by describing functions are resolved by introducing harmonics. The effects of saturation asymmetry and offset in the nonlinear characteristic are illustrated for a simple bandpass active filter.
Keywords :
active filters; band-pass filters; feedback; frequency response; harmonics; nonlinear network analysis; bandpass active filter; describing functions; feedback systems; harmonic balance method; harmonic characterisation; jump-resonance frequency responses; nonlinear characteristic; saturation asymmetry; saturation nonlinearities;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19911158
