Abstract
This paper presents a voltage-mode (VM) tunable all-pass section, employing a grounded capacitor and a newly introduced current conveyor with an extra X stage. The proposed all-pass filter uses grounded capacitor as the only passive component and benefits from high input and low output impedance. The proposed circuit exhibits eight performance features without trade-offs, as compared to carefully chosen 25 published works. The functionality of the proposed element is verified through PSPICE simulation using 0.25-μm process parameters. An application of second order is also incorporated.
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