• DocumentCode
    2876137
  • Title

    A CMOS adaptive delta modulation CODEC chip for PABX applications

  • Author

    Gregorian, R. ; Wegner, G. ; Flanagin, S. ; Gord, J.

  • Author_Institution
    American Microsystems,Santa Clara, CA, USA
  • Volume
    XXVI
  • fYear
    1983
  • fDate
    23-25 Feb. 1983
  • Firstpage
    72
  • Lastpage
    73
  • Abstract
    This paper will discuss a CMOS CODEC which is comprised of a continually variable adaptive delta modulator with switched-capacitor filters. The chip includes a DTMF generator and an 8-step programmable gain stage, and dissipates 80mW.
  • Keywords
    Capacitors; Clocks; Codecs; Counting circuits; Delta modulation; Detectors; Feedback; Low pass filters; Switching circuits; Voltage;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Solid-State Circuits Conference. Digest of Technical Papers. 1983 IEEE International
  • Conference_Location
    New York, NY, USA
  • Type

    conf

  • DOI
    10.1109/ISSCC.1983.1156447
  • Filename
    1156447