• DocumentCode
    2868971
  • Title

    Interpolative PCM CODECs with multiplexed digital filters

  • Author

    Kuwahara, Hideo ; Kosugi, H. ; Imai, Koichi ; Yumoto, O. ; Ohnishi, Masato ; Amada, E. ; Okabe, Toshiya ; Shirasu, H.

  • Author_Institution
    Hitachi Central Research Laboratory, Tokyo, Japan
  • Volume
    XXIII
  • fYear
    1980
  • fDate
    13-15 Feb. 1980
  • Firstpage
    174
  • Lastpage
    175
  • Abstract
    A single-chip CODEC - a 32kHz sampling 12b linear AD/DA - with pre-post - filters implemented in I2L without trimruing, will be described. The digital filter chip is shared between four CODECs: it has a 88dB dynamic range and operates at 2MHz with 16b word length.
  • Keywords
    Circuits; Codecs; Degradation; Digital filters; Frequency conversion; Phase change materials; Sampling methods; Signal to noise ratio; Telephony; Voltage;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Solid-State Circuits Conference. Digest of Technical Papers. 1980 IEEE International
  • Conference_Location
    San Francisco, CA, USA
  • Type

    conf

  • DOI
    10.1109/ISSCC.1980.1156029
  • Filename
    1156029