General View on Fractional-Order All-Pass Filters Using Generalized Current Conveyors
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The paper presents a general structure for realizing current-mode (CM) fractional-order all-pass filters (FOAPFs) using generalized first-kind five-port current conveyors (GCC5s). The proposed circuit topology employs two GCC5s and minimum number of passive components, i.e.. one resistor and one fractional-order capacitor, both in grounded form. A total of eight CM FOAPFs using second-generation current conveyor are derived, which are capable of providing simultaneously both inverting and non-inverting current-outputs from high impedance terminals. A theoretical study of a variant created using universal current conveyor is provided, which verify the concept of the proposed circuit topology.
Keywordsall-pass filter, APF, current-mode, fractional-order filter, generalized first-kind five-port current conveyor, GCC5, universal current conveyor, UCC
Document typePeer reviewed
SourceProceedings of the 2020 43rd International Conference on Telecommunications and Signal Processing (TSP). 2020, p. 689-693.
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