On the realization of NPN-only long-domain chaotic oscillators

Serdar Özoǧuz; Neslihan S. Şengör

doi:10.1109/TCSI.2002.808230

On the realization of NPN-only long-domain chaotic oscillators

Serdar Özoǧuz^*, Neslihan S. Şengör

^*Corresponding author for this work

Department of Electronics and Communication Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Two new chaotic oscillators with double-scroll dynamics based on the log-domain circuit-design technique are presented. As the circuits operate in log domain, they are suitable for low-voltage, high-frequency operation. The important key parameters of the oscillators are electronically tunable, thus, they are well suited for integrated circuit implementation. Furthermore, the circuits do not employ any PNP transistors, hence they can be implemented in cheap bipolar processes, which do not offer high-quality vertical PNPs. Experimental results verifying the feasibility of the circuits are given.

Original language	English
Pages (from-to)	291-294
Number of pages	4
Journal	IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
Volume	50
Issue number	2
DOIs	https://doi.org/10.1109/TCSI.2002.808230
Publication status	Published - Feb 2003

Funding

Manuscript received January 8, 2002; revised July 23, 2002. The work of S. Özog˘uz was supported by the TÜBA/GEBIP Program under Grant ISO/T BA-GEBIP/2002–1–16. This paper was recommended by Associate Editor A. Ushida.

Funders	Funder number
TÜBA	ISO/T BA-GEBIP/2002–1–16

Keywords

Analog and mixed analog/digital circuits
Log-domain circuits
Nonlinear circuit design

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10.1109/TCSI.2002.808230

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AB - Two new chaotic oscillators with double-scroll dynamics based on the log-domain circuit-design technique are presented. As the circuits operate in log domain, they are suitable for low-voltage, high-frequency operation. The important key parameters of the oscillators are electronically tunable, thus, they are well suited for integrated circuit implementation. Furthermore, the circuits do not employ any PNP transistors, hence they can be implemented in cheap bipolar processes, which do not offer high-quality vertical PNPs. Experimental results verifying the feasibility of the circuits are given.

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On the realization of NPN-only long-domain chaotic oscillators

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