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Volume 19 Issue 2
Mar.  1997
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Hang Guoqiang, Wu Xunwei. THE RESEARCH ON TERNARY TTL SCHMITT CIRCUITS[J]. Journal of Electronics & Information Technology, 1997, 19(2): 245-250.
Citation: Hang Guoqiang, Wu Xunwei. THE RESEARCH ON TERNARY TTL SCHMITT CIRCUITS[J]. Journal of Electronics & Information Technology, 1997, 19(2): 245-250.

THE RESEARCH ON TERNARY TTL SCHMITT CIRCUITS

  • Received Date: 1995-09-27
  • Rev Recd Date: 1996-06-20
  • Publish Date: 1997-03-19
  • By analyzing the threshold-jumping of Schmitt circuits, this paper indicates that the core element realizing this function in binary TTL Schmitt circuits is the differential current switch with controllable threshold value. Based on the characteristic having two kinds sigal-detection threshold in thernary TTL circuits, a ternary TTL Schmitt circuits having twice reactions of threshold-jumping is designed. The simulation with PSPICE proves that the designed circuit has ideal function of Schmitt circuits.
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  • 吴训威著.多值逻辑电路设计原理.杭州:杭州大学出版社,1994.[2]Etiemble D, Israel M.A new concept of ternary logic elements. Proc. IEEE ISMVL, Morgantown:[3]74, 4: 437-436.[4]Crist S C. A tri-state logic family. Proc. IEEE ISMVL, Rosemont: 1978, 8: 1-6.[5]Etiemble D, Israel M. IEEE Trans. on Comput., 1977, C-26(12): 1222-1233.[6]Etiemble D, Israel M. T. S. C, multivalued TTL circuits. Proc. IEEE ISMVL, Evanston: 1980, 10: 31-35.[7]Etiemble D. TTL circuits for a 4-valued bus. Proc. IEEE ISMVL, R.osemont: 1978,8:7-13.[8]Israel M, Etiemble D. Some new results for ternary circuits. Proc. IEEE ISMVL, Bath: 1979, 9: 167-169.[9]吴训l威,陈偕雄,Hurst S L. Int[J].J. Electronics.1988, 64(6):849-858[10]钱博森.TTL多值逻辑电路及其应用.北京:电子工业出版社,1989,第二章.[11]万旭,吴训威.科技通报,1992,8(2): 65-69.[12]万旭,赵小杰,吴训威.杭州大学学报(自然科学版),1992, 19(4): 402-408.[13]Hodges D A, Jackson H G. Analysis and Design of Digital Integrated Circuits. New York: McGraw-Hill Book Company, 1983, Chap. 8.[14]阎石主编.数字电子技术基础(第三版)北京:高等教育出版社,1990,320-324.[15]Taub H, Schilling D. Digital Integrated Electronics. New York: McGraw-Hill Book Company, 1977, Chap. 1.
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