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A novel approach to Chua’s circuit based on current conveyers is proposed which overcomes the difficulties of the signal frequency being too low and the current waves and the corresponding phase diagrams not easy to test for this kind of circuit. Active simulated inductor and piece-wise nonlinear resistor in the circuit are all realized by current conveyers, so that the circuit is more stable and can work in higher frequency than does the usual Chua’s circuit. The circuit also has the advantages in that the current waves and the corresponding phase diagrams can be tested easily. The circuit has been designed, simulated, realized in hardware and tested. The experimental results are in good agreement with simulation results,which confirms the validity of the design. The circuit is suitable for secure communications.
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Keywords:
- Chua’s circuit /
- current conveyor /
- current test /
- design and experiment
[1] ［1］Yu S M, Lü J H, Chen G R 2008 IEEE Int. Symp. on Circ. Syst .May. 18-21 2390
[2] ［2］Yu S M, Yu Z D 2008 Acta Phys. Sin. 57 6859( in Chinese) ［禹思敏、 禹之鼎2008 物理学报 57 6859 ］
[3] ［3］Luo X H, Li H Q, Dai X G 2008 Acta Phys. Sin. 57 7511( in Chinese) ［罗小华、李华青、代祥光 2008 物理学报 57 7511］
[4] ［4］Sanchez-Lopez C, Trejo-Guerra R, Tlelo-Cuautle E 2008 Proc. 7th Int. Caribbean Conf. on Devices, Circ. Syst. Apr. 28-30 1
[5] ［5］Xie G B, Yu S M，Liu Y J, Liu Z S 2008 Proc. 1st IEEE Singapore Int. Conf. on Communication Systems Nov. 19-21 632
[6] ［6］Liu C X 2002 Acta Phys. Sin. 51 1198( in Chinese) ［刘崇新 2002 物理学报 51 1198］
[7] ［7］Li Y, Yu S M, Dai Q Y,Liu M H , Liu Q 2006 Acta Phys . Sin. 55 3938 (in Chinese) ［李亚、禹思敏、戴青云、刘明华、刘庆 2006 物理学报 55 3938］
[8] ［8］Zhang C X, Yu S M 2009 Acta Phys . Sin. 58 120 (in Chinese) ［张朝霞、 禹思敏 2009物理学报58 120］
[9] ［9］Li Y, Zhang Z M, Tao Z J 2009 Acta Phys . Sin. 58 6818 (in Chinese) ［李亚、张正明、陶志杰 2009物理学报58 6818］
[10] ］Toumazou C, Lidgey F J, Haigh D Q 1990 Analog IC Design: The current mode approach (London: Peter Peregrinus) p93
[11] ］Yang Z M, Ma Y D, Zhang X G 2009 Theory and Design of Modern Circuit (Beijing: Tsinghua University) p186 ［杨志民、马义德、张新国 2009 现代电路理论与设计 (北京：清华大学出版社) 第186页］
[12] ］Senani R, Gupta S S 1998 Electron. Lett. 34 829
[13] ］Elwakil A S, Kennedy M P 2004 IEEE Trans. Circuits Syst. I 7 76
[14] ］Balse J 1997 IEEE J. Solid-State Circuits. 32 1470
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[1] ［1］Yu S M, Lü J H, Chen G R 2008 IEEE Int. Symp. on Circ. Syst .May. 18-21 2390
[2] ［2］Yu S M, Yu Z D 2008 Acta Phys. Sin. 57 6859( in Chinese) ［禹思敏、 禹之鼎2008 物理学报 57 6859 ］
[3] ［3］Luo X H, Li H Q, Dai X G 2008 Acta Phys. Sin. 57 7511( in Chinese) ［罗小华、李华青、代祥光 2008 物理学报 57 7511］
[4] ［4］Sanchez-Lopez C, Trejo-Guerra R, Tlelo-Cuautle E 2008 Proc. 7th Int. Caribbean Conf. on Devices, Circ. Syst. Apr. 28-30 1
[5] ［5］Xie G B, Yu S M，Liu Y J, Liu Z S 2008 Proc. 1st IEEE Singapore Int. Conf. on Communication Systems Nov. 19-21 632
[6] ［6］Liu C X 2002 Acta Phys. Sin. 51 1198( in Chinese) ［刘崇新 2002 物理学报 51 1198］
[7] ［7］Li Y, Yu S M, Dai Q Y,Liu M H , Liu Q 2006 Acta Phys . Sin. 55 3938 (in Chinese) ［李亚、禹思敏、戴青云、刘明华、刘庆 2006 物理学报 55 3938］
[8] ［8］Zhang C X, Yu S M 2009 Acta Phys . Sin. 58 120 (in Chinese) ［张朝霞、 禹思敏 2009物理学报58 120］
[9] ［9］Li Y, Zhang Z M, Tao Z J 2009 Acta Phys . Sin. 58 6818 (in Chinese) ［李亚、张正明、陶志杰 2009物理学报58 6818］
[10] ］Toumazou C, Lidgey F J, Haigh D Q 1990 Analog IC Design: The current mode approach (London: Peter Peregrinus) p93
[11] ］Yang Z M, Ma Y D, Zhang X G 2009 Theory and Design of Modern Circuit (Beijing: Tsinghua University) p186 ［杨志民、马义德、张新国 2009 现代电路理论与设计 (北京：清华大学出版社) 第186页］
[12] ］Senani R, Gupta S S 1998 Electron. Lett. 34 829
[13] ］Elwakil A S, Kennedy M P 2004 IEEE Trans. Circuits Syst. I 7 76
[14] ］Balse J 1997 IEEE J. Solid-State Circuits. 32 1470
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