The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Design of a LNA-Mixer with on-chip balun for 2.45GHz RFID Applications

On-chip 발룬을 포함한 2.45GHz대역 RFID용 LNA-Mixer설계

  • 임태서 (중앙대 공대 전자전기공학부) ;
  • 고재형 (중앙대 공대 전자전기공학부) ;
  • 정효빈 (중앙대 공대 전자전기공학부) ;
  • 김형석 (중앙대 공대 전자전기공학부)
  • Published : 2007.11.01
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Abstract

This paper presents the design and analysis of LNA-Mixer for 2.45GHz RFID reader. The LNA is implemented by PCSNIM method for low power consumption. The Mixer is implemented by using the Gilbert-type configuration, current bleeding technique and the resonating technique for the tail capacitance. The connection between the two designed circuits is made by active balun. This LNA-Mixer has about 22dB gain and 8.5dB Noise Figure for -50dBm input RF power, LO power is 0dBm, RF frequency is 2.45 GHz and IF frequency is 100kHz. The layout of LNA-Mixer for one-chip design in a 0.18-um TSMC process has $2.5mm{\times}1.0mm$ size.

Keywords

References

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