• DocumentCode
    2953928
  • Title

    A /spl plusmn/30% tuning range varactor compatible with future scaled technologies

  • Author

    Castello, Rinaldo ; Erratico, P. ; Manzini, S. ; Sveito, F.

  • Author_Institution
    Dipt. di Elettronica, Pavia Univ., Italy
  • fYear
    1998
  • fDate
    11-13 June 1998
  • Firstpage
    34
  • Lastpage
    35
  • Abstract
    A /spl plusmn/30% capacitance modulation of a new variable capacitor has been achieved for a 2 V variation in the controlling bias voltage. The realized varactor is based on a polysilicon/oxide/n-well structure, implemented in a 0.35 /spl mu/m standard CMOS process. The quality factor for a 3.1 pF sample ranges from 17 to 33, at 1800 MHz.
  • Keywords
    CMOS integrated circuits; Q-factor; UHF diodes; UHF integrated circuits; capacitance; tuning; varactors; 0.35 micron; 1800 MHz; 3.1 pF; CMOS process; Si; capacitance modulation; controlling bias voltage; polysilicon/oxide/n-well structure; quality factor; scaled technologies; tuning range; varactor; variable capacitor; CMOS process; Capacitors; Parasitic capacitance; Q factor; Threshold voltage; Transceivers; Tuning; Varactors; Voltage control; Voltage-controlled oscillators;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    VLSI Circuits, 1998. Digest of Technical Papers. 1998 Symposium on
  • Conference_Location
    Honolulu, HI, USA
  • Print_ISBN
    0-7803-4766-8
  • Type

    conf

  • DOI
    10.1109/VLSIC.1998.687994
  • Filename
    687994