• DocumentCode
    3127048
  • Title

    A dual-channel ΣΔ voiceband PCM codec

  • Author

    Friedman, V. ; Brinthaupt, D.M. ; Chen, D.-P. ; Deppa, T.W. ; Elward, J.P., Jr. ; Fields, E.M. ; Scott, J.W. ; Viswanathan, T.R.

  • Author_Institution
    AT&T Bell Lab., Murray Hill, NJ, USA
  • fYear
    1988
  • fDate
    16-19 May 1988
  • Abstract
    A dual-channel ΣΔ voiceband codec meeting AT&T/CCITT specifications is described. The active area per channel is 13 mm2 in a 1.5-μm CMOS process. It has only one power supply, and the maximum power dissipation is 90 mW per channel. The crosstalk between channels is less than 71 dB
  • Keywords
    CMOS integrated circuits; VLSI; codecs; delta modulation; pulse-code modulation; 1.5 micron; 71 dB; 90 mW; AT&T specifications; CCITT specifications; CMOS; VLSI; active area per channel; crosstalk; dual-channel ΣΔ voiceband codec; power dissipation; sigma delta modulation; voiceband PCM codec; Band pass filters; Codecs; Crosstalk; Delta-sigma modulation; Digital filters; Finite impulse response filter; IIR filters; Low pass filters; Phase change materials; Sampling methods;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Custom Integrated Circuits Conference, 1988., Proceedings of the IEEE 1988
  • Conference_Location
    Rochester, NY
  • Type

    conf

  • DOI
    10.1109/CICC.1988.20908
  • Filename
    20908
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3127048