• DocumentCode
    735270
  • Title

    A dithering-less 54.79-to-63.16GHz DCO with 4-Hz frequency resolution using an exponentially-scaling C-2C switched-capacitor ladder

  • Author

    Zhiqiang Huang ; Luong, Howard C.

  • Author_Institution
    Hong Kong Univ. of Sci. & Technol., Hong Kong, China
  • fYear
    2015
  • fDate
    17-19 June 2015
  • Abstract
    An exponentially-scaling C-2C switched-capacitor ladder is proposed for mm-Wave DCOs to achieve high frequency resolution with small chip area. The 65nm-CMOS DCO prototype measures frequency resolution of 4Hz over a frequency range from 54.79 to 63.16GHz with phase noise of -90.7~-94.1dBc/Hz at 1MHz frequency offset while consuming 18mW, corresponding to FOMT from -176.6 to -180 dBc/Hz. The DCO occupies a core area of 0.1 mm2 with only 0.012mm2 for the C-2C switched ladder capacitor.
  • Keywords
    CMOS integrated circuits; ladder networks; oscillators; switched capacitor networks; CMOS integrated circuit; digitally controlled oscillators; dithering-less DCO; exponentially scaling C-2C switched capacitor ladder; frequency 54.79 GHz to 63.16 GHz; power 18 mW; size 65 nm; small chip area DCO; switched ladder capacitor; Capacitors; Frequency measurement; Noise measurement; Phase measurement; Phase noise; Switches; Tuning; ADPLL; DCO; frequency resolution; mm-Wave;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    VLSI Circuits (VLSI Circuits), 2015 Symposium on
  • Conference_Location
    Kyoto
  • Print_ISBN
    978-4-86348-502-0
  • Type

    conf

  • DOI
    10.1109/VLSIC.2015.7231269
  • Filename
    7231269
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=735270