| 一种新型CMOS施密特触发器 |
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| 引用本文： | 冯勇,刘诗赋,李晓骏.一种新型CMOS施密特触发器[J].计算机测量与控制,2008,16(11):1692-1694. |
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| 作者姓名： | 冯勇 刘诗赋 李晓骏 |
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| 作者单位： | 西北工业大学,电子信息学院,陕西,西安,710072 |
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| 摘 要： | 提出了一种新型的高速度全摆幅CMOS施密特触发器,其结构非常简单,只用了10个MOS管,其中包括两个开关管和两个反向器;通过分析计算给出了新型施密特触发器的阈值电平和磁滞宽度及传输延迟的计算方法,并且此施密特触发器具有磁滞宽度比较容易控制、转换速度快的特点;该电路采用0.6μm的CMOS工艺设计,并通过HSPICE验证,表明这种施密特触发器具有全摆幅输出、几乎不存在静态功耗、传输延迟几乎与负载无关等优点,比较适合在低电压、低功耗、高速便携设备中应用。
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| 关 键 词： | CMOS 施密特触发器 阈值电平 磁滞宽度 传输延迟 |
A Novel CMOS Schmitt Trigger |
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| Feng Yong,Liu Shibin,Li Xiaojun.A Novel CMOS Schmitt Trigger[J].Computer Measurement & Control,2008,16(11):1692-1694. |
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| Authors: | Feng Yong Liu Shibin Li Xiaojun |
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| Affiliation: | (College Of Electronics and Information,Northwestern Polytechnical University,Xi’an 710072,China) |
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| Abstract: | A novel full swing CMOS Schmitt trigger with ten MOSFETS including two CMOS inverters and two MOSFETS as switches is proposed.The threshold voltage and the hysteresis width formulas of the Schmitt trigger are introduced.Based on the HSPICE simulations,the proposed trigger has full swing,no static current.And it's transmission delay has little influence by load captance.With these characteristics,this circuit is very suitable for lower voltage and low power,high speed applications. |
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| Keywords: | CMOS |
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