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A Novel CMOS-Based Voltage-Mode First-Order Phase Shifter Employing a Grounded Capacitor

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Abstract

In this paper, a voltage-mode (VM) topology for providing first-order all-pass filter responses is suggested. The proposed circuit is composed of a smaller number of components when compared to earlier ones, as it employs only three CMOS transistors, a grounded capacitor which is advantageous in integrated circuit (IC) processes, and two resistors. Computer simulation results, using the SPICE program, are given to exhibit the performance. A second-order low-pass filter employing only grounded capacitors which are canonical in number is given as one of the applications of the presented non-inverting first-order all-pass filter topology.

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Correspondence to Erkan Yuce.

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Yuce, E. A Novel CMOS-Based Voltage-Mode First-Order Phase Shifter Employing a Grounded Capacitor. Circuits Syst Signal Process 29, 235–245 (2010). https://doi.org/10.1007/s00034-009-9143-2

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  • DOI: https://doi.org/10.1007/s00034-009-9143-2

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