| THE RESEARCH ON TERNARY TTL SCHMITT CIRCUITS |
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| 作者姓名： | Hang Guoqiang Huang Ruixiang Wu Xunwei |
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| 作者单位： | Department of Electronic Engineering，Hangzhou University，Hangzhou 310028 |
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| 基金项目： | Supported by the National Natural Science Foundation of China，the Natural Science Foundation of Zhejiang Province |
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| 摘 要： | 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. Based on the characteristic having two kinds of signal-detection threshold in ternary TTL circuits, a ternary TTL Schmitt circuit 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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The research on ternary TTL schmitt circuits |
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| Hang Guoqiang Huang Ruixiang Wu Xunwei.THE RESEARCH ON TERNARY TTL SCHMITT CIRCUITS[J].Journal of Electronics,1998,15(1):35-42. |
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| Authors: | Guoqiang Hang Ruixiang Huang Xunwei Wu |
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| Affiliation: | (1) Department of Electronic Engineering, Hangzhou University, 310028 Hangzhou |
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| Abstract: | 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. Based on the characteristic having two kinds of signal-detection threshold in ternary TTL circuits, a ternary TTL Schmitt circuit 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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| Keywords: | Schmitt circuit Multiple-valued logic TTL circuit |
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