Journal Article10.1007/S00034-007-9010-Y
Current-Mode Multiphase Sinusoidal Oscillator Using Current Differencing Transconductance Amplifiers
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TL;DR: In this article, a simple current-controlled current-mode multiphase sinusoidal oscillator based on current differencing transconductance amplifiers (CDTAs) as active components was proposed.
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Abstract: This paper describes a simple current-controlled current-mode multiphase sinusoidal oscillator based on current differencing transconductance amplifiers (CDTAs) as active components. The proposed oscillator circuit, which employs only one CDTA and one grounded capacitor for each phase, can generate arbitrary n current-output signals (n being even or odd) equally spaced in phase, all at high output impedance terminals. The oscillation condition and the oscillation frequency can be controlled electronically and independently through the bias current of the CDTA. The oscillator has low-component count, low-sensitivity performance, and is highly suitable for monolithic implementation. PSPICE simulation results are given to confirm the operation of the proposed oscillator.
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Citations
A Simple Current-Mode Quadrature Oscillator Using Single CDTA
Winai Jaikla,Montree Siripruchyanun,Josef Bajer,Dalibor Biolek +3 more
- 01 Dec 2008
TL;DR: In this article, a simple current-mode quadrature oscillator using a single Current Differencing Transconductance Amplifier (CDTA) as the active element is presented.
97
Current-Mode Third-Order Quadrature Oscillator Using CDTAs
TL;DR: In this article, a current-mode third-order quadrature oscillator based on current differencing transconductance amplifiers (CDTAs) is described. But the proposed circuit employs only grounded capacitors and is ideal for integration.
75
New Grounded and Floating Simulated Inductance Circuits using Current Differencing Transconductance Amplifiers
Data Ram Bhaskar,Dinesh Prasad,Abdhesh Kumar Singh +2 more
- 01 Apr 2010
TL;DR: New CDTA based lossless grounded and floating inductance simulation circuits have been proposed and some sample results demonstrating the applications of the new simulated inductors using CMOS CDTAs have been given to confirm the workability of thenew circuits.
74
Resistorless realization of current-mode first-order allpass filter using current differencing transconductance amplifiers
TL;DR: This paper presents a realization of a current-mode first-order allpass filter using two current differencing transconductance amplifiers (CDTAs) as the active components and one virtually grounded capacitor as the only passive component.
71
Electronically tunable third-order quadrature oscillator using CDTAs
Jiun-Wei Horng,Hung Lee,Jian-Yu Wu +2 more
- 01 Jun 2010
TL;DR: In this article, a current/voltage-mode third-order quadrature oscillator based on current differencing transconductance amplifiers (CDTAs) is presented.
67
References
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Christofer Toumazou,F. J. Lidgey,D. G. Haigh +2 more
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TL;DR: This book discusses current-mode Circuits from a Translinear Viewpoint, as well as applications of current-copier circuits, and the future of Analogue Integrated Circuit Design.
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Current mode quadrature oscillator using current differencing transconductance amplifiers (CDTA)
Ali Ümit Keskin,Dalibor Biolek +1 more
- 26 Jun 2006
TL;DR: In this paper, a CDTA-based quadrature oscillator circuit is proposed, which employs two current-mode allpass sections in a loop, and provides high-frequency sinusoidal oscillations in quadratures at high impedance output terminals of the CDTAs.
227
Current-mode KHN filter employing current differencing transconductance amplifiers
TL;DR: In this paper, the authors proposed a current mode Kerwin-Huelsman-Newcomb (KHN) filter employing only two current differencing transconductance amplifiers (CDTA) and two grounded capacitors.
210
Control of Single-Phase-to-Three-Phase AC/DC/AC PWM Converters for Induction Motor Drives
Dong-Choon Lee,Young-Sin Kim +1 more
TL;DR: The experimental results for the V/f control of 3-hp induction motor drives controlled by a digital signal processor TMS320C31 chip have verified the effectiveness of the proposed PWM converter topology.
202