• DocumentCode
    1640200
  • Title

    Design techniques for low-voltage VHF BiCMOS Gm-C filters with automatic tuning

  • Author

    Lee, Tsung-Sum ; Liu, Chun-Chieh

  • Author_Institution
    Dept. of Electron. Eng., Nat. Yunlin Univ. of Sci. & Technol., Taiwan
  • fYear
    1999
  • fDate
    6/21/1905 12:00:00 AM
  • Firstpage
    59
  • Lastpage
    62
  • Abstract
    A third-order Chebyshev low-pass filter with automatic tuning based on new BiCMOS low-voltage triode transconductors for applications in the very-high-frequency (VHF) range is presented. Simulation results of the filter and the automatic tuning circuitry are described. The complete system operates with supply voltages of ±1.5 V. The filter achieves a 42.8 MHz cutoff frequency. The filter total harmonic distortion (THD) stays lower than 1% for an input signal up to 1.061 V pp at 8 MHz frequency. The dynamic range of the filter is 60 dB
  • Keywords
    BiCMOS integrated circuits; Chebyshev filters; VHF circuits; VHF filters; active filters; circuit tuning; harmonic distortion; integrated circuit design; low-pass filters; mixed analogue-digital integrated circuits; -1.5 V; 1.5 V; 42.8 MHz; ASIC; Chebyshev low-pass filter; THD; VHF BiCMOS Gm-C filters; automatic tuning; design techniques; low-voltage Gm-C filters; low-voltage triode transconductors; third-order low-pass filter; total harmonic distortion; BiCMOS integrated circuits; Chebyshev approximation; Circuit optimization; Circuit simulation; Cutoff frequency; Low pass filters; Transconductors; Tuning; VHF circuits; Voltage;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    ASICs, 1999. AP-ASIC '99. The First IEEE Asia Pacific Conference on
  • Conference_Location
    Seoul
  • Print_ISBN
    0-7803-5705-1
  • Type

    conf

  • DOI
    10.1109/APASIC.1999.824029
  • Filename
    824029