Journals / Istanbul University Journal of Electrical and Electronics Engineering / 2004 / Cilt: 4 - Sayı: 2

New first-order allpass filters employing single modified third generation current conveyor

Pages
1141–1147
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

SPICE simulation results verifying theoretical analyses are also included.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The third generation current conveyor (CCIII) presented by Fabre is shown to be a useful active element to pick up the current of a floating passive element.
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Key Findings & Data:To demonstrate the advantages of the proposed circuit topologies, a quadrature oscillator is designed employing the proposed allpass sections.
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Conclusion & Impact:SPICE simulation results verifying theoretical analyses are also included.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The third generation current conveyor (CCIII) presented by Fabre is shown to be a useful active element to pick up the current of a floating passive element. CCIII can be considered as a current controlled current source with unity gain. The use of controlled sources with unity gain in the design of active-RC filters leads to structures with tight design equations. In order to relieve these, it may be useful to insert a gain larger than unity. The modified third generation current conveyor (MCCIII) is a newly introduced active building block to realize this property and to provide new possibilities in the circuit synthesis. In this paper, four new first-order allpass filter configurations employing a single modified third-generation current conveyor (MCCIII) are presented. To demonstrate the advantages of the proposed circuit topologies, a quadrature oscillator is designed employing the proposed allpass sections. SPICE simulation results verifying theoretical analyses are also included.

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Cite This Article

ÇİÇEKOĞLU, O., KUNTMAN, H., BODUR, S. (2022). New first-order allpass filters employing single modified third generation current conveyor. Istanbul University Journal of Electrical and Electronics Engineering, Cilt: 4 - Sayı: 2, 1141–1147. https://ajindex.com/articles/543870

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References (1)

  1. Roberts G. W., Sedra A. S., All currentmode frequency selective circuits, Electron. Lett., vol. 25, pp. 759-76 1, 1989 [2] Wilson B., Recent developments in current conveyor and current-mode circuits, Proc. IEE PT G, vol. 137, (2), pp. 63-77, 1990 [3] Toumazou C., Lidgey F.J., and Haigh, D.G.: Analog IC design: the current-mode approach, Peter Peregrinus on behalf of IEE, U.K. 1990. [4] Fabre A., Third generation current conveyor: a new helpful active element, Electron. Letters, 31, no. 5, pp. 338-339, 1995. [5] Liu S. I., Yang Y. Y., Higher-order immittance function synthesis using CCIIIs, Electron. Letters, 32, no. 25, pp. 2295-2296, 1996. [6] Horng J.-W. Weng R.-O. Lee M.-H. and Chang C.-W., Universal active current filter using two multiple current output OTAs and one CCIII, Int. J. Electronics, Vol. 82, no. 3, 1996. [7] Piovaccari A., CMOS integrated third generation current conveyor, Electron. Letters, 31, no. 15, pp. 1228-1229, 1995. [8] Kuntman H., Cicekoglu O. and Ozoguz S., ‘A modified third generation current conveyor, its characterization and applications’, Frequenz, Vol.56, pp.47-54, 2002 [9] Tarmy R. and Ghausi M.S., “Very high Q, insensitive active RC networks,” IEEE Trans.Circuit Theory, vol. CT-17, pp.358-366, Aug. 1970. [10] Moschytz, G.S., “A high Q, insensitive active RC network, similar to the Tarmy- Ghausi circuit, but using single-ended operational amplifiers,” Electron. Lett., vol. 8, pp. 458-459, Sept. 1972. [11] Comer D.T., Comer D.J. and Gonzales J.R., “A high-frequency integrable bandpass filter configuration”, IEEE Trans. Circuits and Systems-II: Analog and Digital Signal Processing, vol.44, pp.856-861, Oct. 1997. [12] Salawu R.I., “Realization of an all-pass transfer function using the secondgeneration current conveyor,” Proc. of IEEE, vol. 68, Iss 1, pp. 183-184, 1980. [13] Soliman A.M., “Generation of current conveyor-based all-pass filters from op ampbased circuits,” IEEE Trans. Circuits and Systems II: Analog and Digital Signal Processing, 44, no. 4, pp. 342-330, 1997. [14] Bodur, S.,” Değiştirilmiş üçüncü kuşak akım taşıyıcı ile yeni olanaklar”, M.Sc. Thesis, İstanbul Technical University, Institute of Science and Technology, 2002.