• DocumentCode
    2809745
  • Title

    A Fast CMOS Self-Oscillating Modulator for RF Power Amplifier

  • Author

    Wang, Xin Jie ; Kwasniewski, Tad

  • Author_Institution
    Carleton Univ., Ottawa
  • fYear
    2007
  • fDate
    22-26 April 2007
  • Firstpage
    372
  • Lastpage
    375
  • Abstract
    This paper presents a fast CMOS self-oscillating modulator for RF power amplifier. This modulator has been designed in 0.18-mum CMOS technology which occupies an area of 1.5times2 mm2 and consists of an envelope detector, an envelope amplifier, a fast comparator and an output buffer. The modulator can be applied for both EERPA and DSPA. Simulation results show that the modulator achieves efficiency > 81%, the highest output voltage is close to 1.7V, current >100 mA.
  • Keywords
    CMOS analogue integrated circuits; UHF power amplifiers; modulators; CMOS self-oscillating modulator; RF power amplifier; dynamic supply power amplifier; envelope amplifier; envelope elimination; fast comparator; frequency 2 GHz; output buffer; restoration power amplifier; Broadband amplifiers; CMOS technology; Envelope detectors; High power amplifiers; Linearity; Operational amplifiers; Power amplifiers; Radio frequency; Radiofrequency amplifiers; Rail to rail amplifiers;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Electrical and Computer Engineering, 2007. CCECE 2007. Canadian Conference on
  • Conference_Location
    Vancouver, BC
  • ISSN
    0840-7789
  • Print_ISBN
    1-4244-1020-7
  • Electronic_ISBN
    0840-7789
  • Type

    conf

  • DOI
    10.1109/CCECE.2007.99
  • Filename
    4232758
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2809745