Optimizing MOS Transistor Mismatch

نویسندگان

  • Simon J. Lovett
  • Marco Welten
  • Alan Mathewson
  • Barry Mason
چکیده

An investigation of MOS transistor mismatch is undertaken and a methodology is developed for optimizing mismatch without increasing layout area. Dramatic improvements of up to 300% in matching can be realized by selecting the optimum W=L ratio without changing the overall WL area product. The theoretical basis for the obtainable improvements is fully described and an expression is derived and verified by experiment to predict the W=L ratio which gives optimum matching.

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تاریخ انتشار 1997