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Generation of current conveyor-based all-pass filters from op amp-based circuits

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1 Author(s)
Soliman, Ahmed M. ; Dept. of Electron. & Commun. Eng., Cairo Univ., Giza, Egypt

It is shown that two of the recently reported voltage mode and current mode current conveyor-based all-pass circuits can be generated from the well known single input op amp all-pass configuration. It is also found that two other voltage mode current conveyor-based all-pass circuits are related directly to the differential input op amp all-pass structure. Several new grounded capacitor all-pass circuits are introduced. A new universal biquad circuit which realizes complex poles and employs a single current conveyor is also given. PSpice simulation results are included

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Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on  (Volume:44 ,  Issue: 4 )