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967  Articles
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First-order all-pass filter circuits, both non-inverting and inverting, could be the focus of this article, which could include the design and implementation of first-order all-pass filter circuits. Using a standard integrated circuit (IC): AD830, as well... see more

This study describes a simple design for a single active element sinusoidal oscillator with a quadrature signal. A current conveyor transconductance amplifier (CCTA), a single resistor, and two grounded capacitors are used in the first circuit. The second... see more

This study introduces a third order filter and a third order oscillator configuration. Both the circuits use two voltage difference transconductance amplifiers (VDTAs) and three grounded capacitors. By selecting the input and output terminals properly, cu... see more

Multiphase induction machines are used extensively in low and medium voltage (MV) drives. In MV drives, power switches have a limitation associated with switching frequency. This paper is a comparative study of the eleven-phase induction machine’s perform... see more

In this communication, two single-input multiple-output (SIMO) type biquad filters employing operational trans resistance amplifiers (OTRAs) have been presented. Various parameters of the proposed filter circuits viz. pole frequency (?), pole quality fact... see more

In the paper a remote lab experiment RC oscillator used to support Web based learning, to support learning by doing, to learn control design and to minimize the gap between theory and practice is presented. The experiment was designed with a special care ... see more

This paper discusses the circuit realization, analysisand design of OTA based current-mode quadrature oscillators.The active building blocks used in the oscillator design are SOOTA,DO-OTAand/ or MO-OTA. The proposed current-modeoscillator circuitsare deri... see more

Analysis  and  minimization  of  output  current  ripple  of  multiphase carrier-based PWM  inverters are presented in this paper.  Analytical expression of rms value of output current ripple of multiphase... see more

Identifying climate impacts on ecosystems and their components requires observing time series of sufficient length to ensure adequate statistical power and reasonable coverage of the historical range of variability inherent in the system. The complexity o... see more

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