Title :
Universal current mode biquad implemented from two second generation current conveyors
Author :
Fabre, Alain ; Alami, Mustapha
Author_Institution :
Lab. d´´Electron., Ecole Centrale de Paris, Chatenay-Malabry, France
fDate :
7/1/1995 12:00:00 AM
Abstract :
The implementation for a nonideal gyrator is first considered. A universal second-order biquad filter, operating in current-mode is then described. The circuit exhibits simultaneously the lowpass, bandpass, and highpass transfers with unity gain. It uses two second generation current conveyors and four passive components only. Both its active and passive sensitivities are not dependent on Q. Their values are at the most equal to unity. SPICE simulation results are given to confirm the theoretical analysis
Keywords :
band-pass filters; biquadratic filters; current conveyors; high-pass filters; low-pass filters; CCII; active filters; bandpass transfer; highpass transfer; lowpass transfer; nonideal gyrator; second generation current conveyors; second-order biquad filter; universal current mode biquad; Analytical models; Band pass filters; Circuit simulation; Frequency; Gyrators; Impedance; Passive filters; Resistors; SPICE; Voltage;
Journal_Title :
Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on
