Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Chaotic Dynamics of a Tansconductor-based Chua's Circuit According to Temperature Variation

트랜스콘덕터 기반 추아회로의 온도변화에 따른 카오스 다이내믹스

  • Shin, Bong-Jo (Research Institute of Ubiquitous Bio-Information Technology of Joint Technology Research Center Chungbuk National University) ;
  • Song, Han-Jung (Department of Nano Engineering Inje University)
  • 신봉조 (충북대학교 산학협력단부설 유비쿼터스바이오정보기술연구센터) ;
  • 송한정 (인제대학교 나노공학부)
  • Received : 2012.06.18
  • Accepted : 2012.08.24
  • Published : 2012.09.01

Abstract

In this paper, we designed a Chua's chaotic circuit using transcondcutor based nonlinear resistor. Proposed chaotic circuit consist of L, C, R and transcondcutor based Chua's diode. We performed SPICE simulation for chaotic dynamics such as time seriesform, frequency analysis and phase plane of the circuit. Chaotic dynamics of the circuit was analysed according to MOS size variation of the operational transconductance amplifier. Also, we performed SPICE circuit analysis for temperature dependance of the circuit. SPICE results showed that chaotic dynamics of the circuit varied according to the temperature variation and chaotic signals were generated in specific temperature conditions.

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Acknowledgement

Supported by : 한국연구재단

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