Voltage-mode multifunction biquad filter using FDCCII

This paper introduces a novel voltage-mode multifunction biquad filter with single input and four outputs. The circuit is constructed with single fully differential current conveyor, two grounded capacitors and three resistors. The circuit offers the following advantageous features: (i) the employment of only one current conveyor, (ii) the employment of only two grounded capacitors, (iii) the employment of only three resistors, (iv) simultaneously realize voltage-mode low-pass, band-pass, high-pass and notch filter signals from the four output terminals, respectively, (v) no need to employ inverting type input signals, (vi) no need to impose component choice conditions and (vii) orthogonal controllability of resonance angular frequency ¿_o and quality factor Q.