Design of CMOS 4 Bit Flash Type A/D Converter Using Variable Threshold Logic

가변 문턱치 논리회로를 이용한 CMOS 4 Bit 전병렬 비교형 A/D 변환기 설계

  • Kim, Tae-Kyung (Dept. of Electronic Engineering, Kyungpook National University) ;
  • Rju, Jong-Pil (Dept. of Electronic Engineering, Kyungpook National University) ;
  • Chung, Ho-Sun (Dept. of Electronic Engineering, Kyungpook National University) ;
  • Lee, Wu-Il (Dept. of Electronic Engineering, Kyungpook National University)
  • 김태경 (경북대학교 공과대학 전자공학과) ;
  • 류종필 (경북대학교 공과대학 전자공학과) ;
  • 정호선 (경북대학교 공과대학 전자공학과) ;
  • 이우일 (경북대학교 공과대학 전자공학과)
  • Published : 1988.07.01

Abstract

In this paper, a flash type A/D converter using Variable Threshold Logic circuit is designed and is layonted by double metal CMOS 2 um design rule. Comparator and register string which is the basic elements of a general flash type A/D converter are substituted by simple comparator circuit which is slightly modified from cmos inverter.

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