Universal Active Current Filter Using Single Second - Generation Current Controlled Conveyor

The realization of the second-order universal (low-pass, band-pass, high-pass, band-reject, and all-pass) active current filter using a single second-generation current controlled conveyor (CCCII), two grounded capacitors, and one resistor is proposed in this paper. Three input signals and the bias current of the active element determine the filtering type of the output signals. H-Spice simulations with 0.35μm process are used to validate the theoretical predictions of the filtering signal, very low sensitivities, and the correction for the deviation of the output signals using the result of the sensitivity. Keywords—analog circuit design, active filters, continuous-time filters, low-pass filters, band-pass filters, high-pass filters, band-reject filters, all-pass filters