| 基于MO-CCCDTA电控调谐电流模式比较器及其应用 |
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| 引用本文： | 李永安.基于MO-CCCDTA电控调谐电流模式比较器及其应用[J].兰州理工大学学报,2009,35(6). |
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| 作者姓名： | 李永安 |
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| 作者单位： | 咸阳师范学院,物理与电子工程学院,陕西,咸阳,712000 |
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| 摘 要： | 提出将MO-CCCDTA应用于非线性区的思想.先分析MO-CCCDTA的开环电流特性,并给出电流模式单限比较器.后给出基于MO-CCCDTA的电流模式滞回比较器.最后以此为基础,给出一个电流模式方波振荡器及其电路参数.该电路仅由2个MO-CCCDTA和1个接地电容组成,因而适宜集成,振荡频率和幅度能独立地电控调谐.计算机仿真表明电路正确有效.
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| 关 键 词： | 方波发生器 滞回比较器 电流模式电路 多输出电流差分跨导放大器 |
MO-CCCDTA-based electronically tunable current-mode comparator and its application |
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| LI Yong-an.MO-CCCDTA-based electronically tunable current-mode comparator and its application[J].Journal of Lanzhou University of Technology,2009,35(6). |
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| Authors: | LI Yong-an |
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| Institution: | LI Yong-an(College of Physics and Electronic Engineering,Xianyang Normal University,Xianyang 712000,China) |
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| Abstract: | An idea of application of MO-CCCDTA in nonlinear area was presented.Open-loop current transfer characteristic of MO-CCCDTA was analyzed,first.A singly limited current-mode comparator was given,also.Then,a hysteretic one was given on the basis of MO-CCCDTA.Finally,based on this a current-mode square-wave oscillator and its circuit parameters were given.The circuit composed of only two MO-CCCDTA's and one grounded capacitor,so that it was easy to be integrated.The amplitude and frequency of the oscillator cou... |
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| Keywords: | square-wave oscillator hysteretic comparator current mode circuit MO-CCCDTA |
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