Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Application of Proximity Sensor using Energy Transformation

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  • Lee, Yong-Jea (Dept. of Electrical Engineering, Chungnam National University) ;
  • Lee, Kyo-Sung (Dept. of Electrical Engineering, Chungnam National University) ;
  • Kim, Do-Hoon (Dept. of Electrical Engineering, Chungnam National University) ;
  • Oh, Se-Ho (Dept. of Electrical Engineering, Chungnam National University) ;
  • Kim, Yang-Mo (Dept. of Electrical Engineering, Chungnam National University)
  • 이용제 (충남대학교 전기공학과) ;
  • 이교성 (충남대학교 전기공학과) ;
  • 김도훈 (충남대학교 전기공학과) ;
  • 오세호 (충남대학교 전기공학과) ;
  • 김양모 (충남대학교 전기공학과)
  • Published : 2002.11.30
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Abstract

We have studied a RF energy transformation. In this paper, we introduced proximity sensor using RF energy transformation. We used 125kHz RF signal as carrier frequency and BPSK circuit, PNP proximity sensor and designed circuit to transmit to the reader through the antenna with data which sensor had acquired. Micro-controller, oscillator, power amp, FSK Modulation module are included in the circuit. Max 323 chip is applied to analog switch and used to HYP-30R10NA sensor chip.

Keywords