JSTS:Journal of Semiconductor Technology and Science

  • 제15권4호
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  • Pages.437-444
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  • 2015
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  • 1598-1657(pISSN)
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  • 2233-4866(eISSN)
대한전자공학회 (The Institute of Electronics and Information Engineers)
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A stable U-band VCO in 65 nm CMOS with -0.11 dBm high output power

  • Lee, Jongsuk (School of Electronic Engineering, Soongsil University) ;
  • Moon, Yong (School of Electronic Engineering, Soongsil University)
  • 투고 : 2015.02.27
  • 심사 : 2015.08.03
  • 발행 : 2015.08.30
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초록

A high output power voltage controlled oscillator (VCO) in the U-band was implemented using a 65 nm CMOS process. The proposed VCO used a transmission line to increase output voltage swing and overcome the limitations of CMOS technologies. Two varactor banks were used for fine tuning with a 5% frequency tuning range. The proposed VCO showed small variation in output voltage and operated at 51.55-54.18 GHz. The measured phase noises were -51.53 dBc/Hz, -91.84 dBc/Hz, and -101.07 dBc/Hz at offset frequencies of 10 kHz, 1 MHz, and 10 MHz, respectively, with stable output power. The chip area, including the output buffer, is $0.16{\times}0.16mm^2$ and the maximum output power was -0.11 dBm. The power consumption was 33.4 mW with a supply voltage of 1.2-V. The measured $FOM_P$ was -190.8 dBc/Hz.

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참고문헌

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