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MOS realization of the modified Lorenz chaotic system

✍ Scribed by A.G. Radwan; A.M. Soliman; A. El-Sedeek

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
1001 KB
Volume
21
Category
Article
ISSN
0960-0779

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✦ Synopsis

A new chaotic oscillator circuit that realizes three attractors, the modified Lorenz system, Lorenz attractor ''Butterfly attractor'' and unsymmetrical modified Lorenz system [IEEE Trans. Circ. Syst. I 48 (2001) 289] is given in the paper. The general block diagram of this circuit is introduced based on g m -C integrators. The overall circuit realization using MOS transistors and using low supply voltage is given. The proposed circuit depends on the use of grounded capacitors which provides the freedom to be off chip. A new block diagram called voltage controlled current direction is also introduced and its realization using MOS transistors is given. Numerical and PSpice simulations are also provided to confirm its functionality.

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