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Universal voltage-mode filter with three inputs and one output using three current conveyors and one voltage follower

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2 Author(s)
Chang, C.-M. ; Dept. of Electr. Eng., Christian Univ., Chung-Li ; Lee, M.-S.

A universal voltage-mode second-order filter with three inputs and one output employing three current conveyors, one voltage-follower, two capacitors and three resistors is presented. The proposed circuit offers the following advantageous features: realisation of allpass, notch, highpass, bandpass and lowpass signals from the same configuration, no requirements for component-matching conditions, orthogonal control of ωo and Q, low active and passive sensitivities and cascadability

Published in:

Electronics Letters  (Volume:30 ,  Issue: 25 )