• DocumentCode
    2489470
  • Title

    An integrated π/4-shift QPSK baseband modulator

  • Author

    Kobayashi, Yasushi ; Hida, Takaoki ; Sawada, Kazushige ; Hodohara, Kiyoaki ; Ueda, Yukihiro ; Takasuka, Kaoru ; Barlow, Allen

  • Author_Institution
    Asahi Kasei Microsyst., Tokyo, Japan
  • fYear
    1994
  • fDate
    1-4 May 1994
  • Firstpage
    399
  • Lastpage
    402
  • Abstract
    A mixed analog-digital π/4 shift QPSK modulator IC targeting the Japanese digital personal handy phone system is reported. The chip includes modulator, root-Nyquist FIR, D/A converter and smoothing filter functions. The 13.5 mm2 IC was fabricated in 1.2 μm CMOS. It consumes 21 mW and operates from 3 V or 5 V supplies
  • Keywords
    CMOS integrated circuits; FIR filters; cordless telephone systems; mixed analogue-digital integrated circuits; modulators; personal communication networks; quadrature phase shift keying; π/4-shift; 1.2 micron; 21 mW; 3 V; 5 V; CMOS; D/A converter; QPSK baseband modulator; digital personal handy phone system; mixed analog-digital IC; root-Nyquist FIR; smoothing filter functions; Analog integrated circuits; Analog-digital conversion; Analog-digital integrated circuits; Baseband; CMOS integrated circuits; Digital integrated circuits; Digital modulation; Finite impulse response filter; Quadrature phase shift keying; Smoothing methods;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Custom Integrated Circuits Conference, 1994., Proceedings of the IEEE 1994
  • Conference_Location
    San Diego, CA
  • Print_ISBN
    0-7803-1886-2
  • Type

    conf

  • DOI
    10.1109/CICC.1994.379694
  • Filename
    379694