대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)

대한전자공학회 (The Institute of Electronics and Information Engineers)
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$0.18{\mu}m$ CMOS Quadrature VCO for IEEE 802.11a WLAN Application

  • Son, Chul-Ho (Department of Electronic Engineering Kwangwoon University) ;
  • Kim, Bok-Ki (Department of Electronic Engineering Kwangwoon University)
  • 발행 : 2008.06.18
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초록

The proposed CMOS Quadrature VCO for WLAN application was designed in TSMC $0.18\;{\mu}m$ RF CMOS technology. The QVCO based on NMOS back-gate as a coupling transistor and switched capacitors array without tail transistors is designed to generate quadrature output signals. The simulated results show that the QVCO core consumed 3.67 mA and 6.6 mW from a 1.8 V supply. The QVCO is tunable between $4.76\;GHz\;{\sim}\;6.35\;GHz$ and has a phase noise lower than -116.8 ㏈c/Hz at 1 MHz offset over the entire tuning range

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