Universal filter with one input and five outputs using DDCCs

In this paper, a new single input and five outputs voltage-mode universal biquadratic filter with high-input impedance is presented. The proposed circuit employs three plus-type differential difference current conveyors, two grounded capacitors and three resistors and offers the following features: realization of all the standard filter functions, that is, high-pass, band-pass, low-pass, notch, and all-pass filters simultaneously, the use of only grounded capacitors and high-input impedance.