• DocumentCode
    950533
  • Title

    Precise wide-dynamic range constant current ratio circuits

  • Author

    Pookaiyaudom, S. ; Kuhanont, T.

  • Author_Institution
    King Mongkut´´s Institute of Technology, Bangkok, Thailand
  • Volume
    65
  • Issue
    10
  • fYear
    1977
  • Firstpage
    1514
  • Lastpage
    1515
  • Abstract
    A method of compensation of unequal VBE´s in a conventional constant current ratio circuit is proposed, which improves the accuracy and the dynamic range of the current ratio considerably, without the need to use any higher resistance than normally desirable for integrated circuits. The linearity of the current ratio is better than 1 percent over a dynamic range of greater than four orders of magnitude.
  • Keywords
    Circuit testing; Covariance matrix; Dynamic range; Equations; Equivalent circuits; Linearity; Maximum likelihood estimation; Mirrors; Process control; Voltage;
  • fLanguage
    English
  • Journal_Title
    Proceedings of the IEEE
  • Publisher
    ieee
  • ISSN
    0018-9219
  • Type

    jour

  • DOI
    10.1109/PROC.1977.10757
  • Filename
    1455026
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=950533