• DocumentCode
    516878
  • Title

    Dual Tone and MODEM Frequency Generator with On-Chip Filter and Voltage Reference

  • Author

    Oswald, W. ; Fasser, J. ; Hirsch, G. ; Mulder, J.

  • Author_Institution
    FASELEC AG Zurich, Switzerland
  • fYear
    1983
  • fDate
    21-23 Sept. 1983
  • Firstpage
    209
  • Lastpage
    212
  • Abstract
    This CMOS circuit contains a Dual-Tone-Multi-Frequency (DTMF) and MODEM frequency generator. For optimum performance and economy, switched capacitor techniques are used for on-chip voltage reference, DA-Converter and filter.
  • Keywords
    CMOS technology; Costs; Digital filters; Filtering; Frequency; Modems; Reproducibility of results; Switching circuits; Telecommunication switching; Voltage;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Solid-State Circuits Conference, 1983. ESSCIRC '83. Ninth European
  • Conference_Location
    Lausanne, Switzerland
  • Print_ISBN
    2-88074-021-5
  • Type

    conf

  • Filename
    5468886
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=516878