The current conveyor—A new circuit building block

Smith, K.C.; Sedra, A.S.

doi:10.1109/proc.1968.6591

Cited by 432 publications

(110 citation statements)

References 2 publications

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“…The current conveyors have been presented in 1968 for the very first time [17], however, they did not found any significant usage as the operational amplifiers were more attractive at that time. Current conveyors received considerable attention after the second (CCII) [18] and later third (CCIII) [19] generation current conveyors were designed.…”

Section: Current and Voltage Conveyormentioning

confidence: 99%

Universal Voltage Conveyor and Current Conveyor in Fast Full-Wave Rectifier

Burian

Koton

Herencsár

2012

International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems

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Abstract-This paper deals with the design of a fast voltagemode full-wave rectifier, where universal voltage conveyor and second-generation current conveyor are used as active elements. Thanks to the active elements, in theory the input and output impedance of the non-linear circuit is infinitely high respectively zero. For the rectification only two diodes and three resistors are required as passive elements. The performance of the circuit is shown on experimental measurement results showing the dynamic range, time response, frequency dependent DC transient value and RMS error for different values of input voltage amplitudes.

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Section: Current and Voltage Conveyormentioning

confidence: 99%

Universal Voltage Conveyor and Current Conveyor in Fast Full-Wave Rectifier

Burian

Koton

Herencsár

2012

International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems

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“…However, when the device or circuit drives both voltage and current signals, it is working in mixed-mode. The first active device allowing the transfer of voltage and current was introduced in 1968 (Smith & Sedra, 1968), it was named current conveyor. Nowadays, the current conveyor has evolved into three generations with direct and inverting characteristics (Tlelo-Cuautle, Sánchez-López & Moro-Frias, 2010).…”

Section: Mixed-mode Devicesmentioning

confidence: 99%

Behavioral Modeling of Mixed-Mode Integrated Circuits

Tlelo-Cuautle¹,

Martinez-Romero²,

Sánchez–López³

et al. 2011

Advances in Analog Circuits

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“…It has one low-impedance current input X, one high-impedance voltage input Y and one or more high-impedance current outputs Z. The current conveyor was introduced in 1968 for the first time [10] and labeled as first-generation current conveyor CCI. Later, the second-(CCII) [11] and third-generation current conveyors [12] (CCIII) were presented.…”

Section: Current and Voltave Conveyormentioning

confidence: 99%

Minimal configuration precision full-wave rectifier using current and voltage conveyors

Koton

Herencsár

Vrba

2010

IEICE Electron. Express

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Abstract:In this paper, new minimal configuration precision fullwave rectifier is presented. The structure employs one current and one voltage conveyor and only two diodes. It enables to process both low-voltage and low-current signals. Compared to the op amp based circuit, the proposed circuit is able to rectify signals up to 500 kHz and beyond with no or small distortion. Experimental measurements are performed that show the feasibility of the new precision full-wave rectifier. Keywords: analog processing circuits, current conveyor, instrumentation and measurements, precision full-wave rectifier, voltage conveyor Classification: Electronic instrumentation and control References[1] U. Tietze, C. Schenk, and E. Gramm, "Electronic Circuits-Handbook for Design and Application," Springer, 2008. [2] C. Toumazou and F. J. Lidgey, "Fast current-mode precision rectifier,"Electron. Wireless Wolrd, vol. 93, no. 1621Wolrd, vol. 93, no. , pp. 1115Wolrd, vol. 93, no. -1118Wolrd, vol. 93, no. , 1987 S. J. G. Gift and B. Maundy, "Versatile Precision Full-Wave Rectifiers for Intrumentation and Measurements," IEEE Trans. Instrum. Meas., vol. 56, no. 5, pp. 1703-1710, 2007 C. Toumazou, F. J. Lidgey, and S. Chattong, "High frequency current conveyor precision full-wave rectifier," Electron. Lett., vol. 30, no. 10, pp. 745-746, 1994. [5] A. A. Khan, M. A. El-Ela, and M. A. Al-Turaigi, "Current-mode precision rectification," Int. J. Electron., vol. 79, no. 6, pp. 853-859, 1995. [6] B. Wilson and V. Mannama, "Current-mode rectifier with improved precision," Electron. Lett., vol. 31, no. 4, pp. 247-248, 1995. [7] D. Stiurca, "Truly temperature independent current conveyor precision rectifier," Electron. Lett., vol. 31, no. 16, pp. 1302Lett., vol. 31, no. 16, pp. -1303Lett., vol. 31, no. 16, pp. , 1995 S. Minaei and E. Yuce, "A new full-wave rectifier employing single dual-X current conveyor," Int. J. Electron., vol. 95, no. 8, pp. 777-784, 2008. [9] S. J. G. Gift, "A High-performance full-wave rectifier circuit," Int. J. Electron., vol. 87, no. 8, pp. 925-930, 2000 Electron. Lett., vol. 17, no. 3, pp. 129-130, 1981. [19] T. Dostal and J. Pospisil, "Hybrid models of 3-port immittance convertors and current and voltage conveyors," Electron. Lett., vol. 18, no. 20, pp. 887-888, 1982. Microelectronics Journal, vol. 30, no. 2, pp. 157-160, 1999. [22] J. Koton, K. Vrba, and N. Herencsar, "Tuneable filter using voltage conveyors and current active elements," Int. J. Electron., vol. 96, no. 8, pp. 787-794, 2009. [23] N. Herencsar, J. Koton, and K. Vrba, "A new electronically tunable voltage-mode active-C phase shifter using UVC and OTA," IEICE Electron. Express, vol. 6, no. 17, pp. 1212Express, vol. 6, no. 17, pp. -1218Express, vol. 6, no. 17, pp. , 2009 IJCSNS, vol. 6, no. 3A, pp. 57-65, 2006. [27] J. Jerabek and K. Vrba, "SIMO type low-input and high-output impedance current-mode universal filter employing three universal current conveyors," AEU -Int.

show abstract

The current conveyor—A new circuit building block

Cited by 432 publications

References 2 publications

Universal Voltage Conveyor and Current Conveyor in Fast Full-Wave Rectifier

Universal Voltage Conveyor and Current Conveyor in Fast Full-Wave Rectifier

Behavioral Modeling of Mixed-Mode Integrated Circuits

Minimal configuration precision full-wave rectifier using current and voltage conveyors

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