Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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Design of 1.9GHz CMOS RF Up-conversion Mixer

1.9GHz CMOS RF Up-conversion 믹서 설계

  • Choi, Jin-Young (School of Electrical, Electronic & Computer Engineering, Hongik University)
  • 최진영 (홍익대학교 전자전자컴퓨터공학부)
  • Published : 2000.12.01
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Abstract

Utilizing the circuit simulator SPICE, we designed a 1.9GHz CMOS up-conversion mixer and explained in detail the simulation procedures including device modeling for the circuit design. Since the measured characteristics of the chip fabricated using the $0.5{\mu}m$ standard CMOS process had shown a big deviation from the characteristics expected by the original simulations, we tried to figure out the proper reasons for the discrepancies. Simulations considering the discovered problems in the original simulations have shown the validity of the simulation method tried for the design. We have shown that the utilized standard CMOS process can be used for the implementation of the chip characteristics similar to those of the equivalent chip fabricated using the GaAs MESFET process.

회로 시뮬레이터인 SPICE를 이용하여 1.9GHz 대역의 CMOS up-conversion 믹서를 설계하였고, 회로 설계를 위한 시뮬레이션 과정을 소자 모델링을 포함하여 상세히 설명하였다. $0.5{\mu}m$ 표준 CMOS 공정을 이용하여 칩을 제작한 결과, 제작된 칩의 특성과 초기 시뮬레이션에 의해 예상되는 특성 사이에 큰 차이점이 발견되어 이에 대한 원인 분석을 시도하였다. 발견된 문제점들을 고려한 경우의 시뮬레이션을 통해 시도한 시뮬레이션 방법의 타당성을 증명하였고, 이러한 문제점들을 보완할 경우 사용한 표준 CMOS 공정으로도 GaAs MESFET 공정을 사용한 유사 칩의 특성에 근접하는 칩 특성의 구현이 가능함을 보였다.

Keywords

References

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