On the realization of high-order current-mode filter employing current controlled conveyors
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CitationYüce, E., & Minaei, S. (2008). On the realization of high-order current-mode filter employing current controlled conveyors. Computers & Electrical Engineering, 34(3), 165-172. http://dx.doi.org/10.1016/j.compeleceng.2007.04.001
In this paper, a general structure for realizing high-order current-mode analog filter responses with single-input and three-outputs is presented. The proposed circuit uses dual-output second-generation current controlled conveyors (DO-CCCIIs) and only grounded capacitors (Active-C structure), and can simultaneously realize low-pass, band-pass (if order is even number) and high-pass filter responses. The developed circuit does not require any component matching constraints thus it is suitable for fully integrated circuit (IC) technology. Simulations are performed for the fourth-order Butterworth filter to illustrate the frequency domain performance of the circuit.
SourceComputers & Electrical Engineering
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