Title :
A modified fully biquadratic state-variable KHN filter using only 3 op-amps
Author :
Báez-lópez, David ; Cabrera-Oerez ; Bautista-Cadena, S. ; Ramirez, J.M.
Author_Institution :
Dept. de Ingenieria Electron., Univ. Autonoma de Puebla, Mexico
Abstract :
We present a modified KHN filter which is able to realize any kind of biquadratic function and only needs three op-amps, resulting in the saving of an op-amp. Its usefulness is noted when we realize second order all-pass, band-reject or elliptic functions
Keywords :
all-pass filters; band-stop filters; biquadratic filters; elliptic filters; notch filters; operational amplifiers; sensitivity analysis; transfer functions; all-pass functions; band-reject functions; biquadratic function; biquadratic state-variable KHN filter; elliptic functions; modified KHN filter; notch filter; op-amps; sensitivity analysis; transfer functions; All pass circuits; Bandstop filters; Biquadratic filters; Biquadratic functions; Elliptic filters; Notch filters; Operational amplifiers; Sensitivity; Transfer functions;
Conference_Titel :
Electrical and Computer Engineering, 1994. Conference Proceedings. 1994 Canadian Conference on
Conference_Location :
Halifax, NS
Print_ISBN :
0-7803-2416-1
DOI :
10.1109/CCECE.1994.405808
