• DocumentCode
    3294764
  • Title

    A 100MHz 7th-order gm-C filter with a wide-range transconductance amplifier

  • Author

    Choi, Joongho ; Min, Sunki ; Kim, Chunsuk

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Univ. of Seoul, South Korea
  • Volume
    3
  • fYear
    2002
  • fDate
    4-7 Aug. 2002
  • Abstract
    This paper describes the gm-C filter design with the proposed wide-range transconductance amplifier. The transconductance amplifier includes the auxiliary positive feedback differential pair to enhance the operating range with small variation of gm value. The 100MHz 7th-order 0.05° equiripple linear-phase lowpass filter is designed in a 0.35-μm CMOS technology. The 3-dB frequency can be finely programmed and maintained through on-chip tuning PLL. The filter operates at the single power supply voltage of 3.3V.
  • Keywords
    CMOS analogue integrated circuits; VHF filters; active filters; circuit tuning; differential amplifiers; equiripple filters; feedback amplifiers; linear phase filters; low-pass filters; programmable filters; wideband amplifiers; 0.35 micron; 100 MHz; 3.3 V; 7th -order gm-C filter; CMOS technology; equiripple linear-phase low-pass filter; on-chip tuning PLL; positive feedback differential pair; programmable circuit; wide-range transconductance amplifier; CMOS technology; Differential amplifiers; Feedback; Filters; Frequency; Phase locked loops; Power supplies; Transconductance; Tuning; Voltage;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Circuits and Systems, 2002. MWSCAS-2002. The 2002 45th Midwest Symposium on
  • Print_ISBN
    0-7803-7523-8
  • Type

    conf

  • DOI
    10.1109/MWSCAS.2002.1186989
  • Filename
    1186989
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3294764