• DocumentCode
    3548413
  • Title

    A bipolar IF amplifier/RSSI for ASK receiver

  • Author

    Tao, Yonggang ; Xu, Yongsheng ; Jin, Wei ; Yu, Hui ; Lai, Zongsheng

  • Author_Institution
    Inst. of Microelectron. Circuits & Syst., East China Normal Univ., Shanghai, China
  • Volume
    2
  • fYear
    2005
  • fDate
    18-21 Jan. 2005
  • Firstpage
    1236
  • Abstract
    A bipolar logarithmic intermediate-frequency (IF) amplifier with received signal strength indicator (RSSI) circuit for ASK receiver is presented. The amplifier realizes a piecewise approximation to an exact logarithmic response. In the demodulating log amplifiers, a special architecture of RSSI is proposed. There are five stages in the log amplifiers. Each consists of a limiter amplifier and a gm cell. A 90dB input dynamic range within ±1dB linearity is achieved.
  • Keywords
    amplitude shift keying; integrated circuit design; intermediate-frequency amplifiers; receivers; ASK receiver; RSSI; bipolar logarithmic amplifier; intermediate-frequency amplifier; limiter amplifier; log amplifiers; logarithmic response; piecewise approximation; received signal strength indicator circuit; Amplitude shift keying; Demodulation; Dynamic range; Feedback circuits; Local oscillators; Low pass filters; Radiofrequency amplifiers; Transconductance; Transfer functions; Voltage;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Design Automation Conference, 2005. Proceedings of the ASP-DAC 2005. Asia and South Pacific
  • Print_ISBN
    0-7803-8736-8
  • Type

    conf

  • DOI
    10.1109/ASPDAC.2005.1466566
  • Filename
    1466566