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| 通用电流模式滤波器的系统设计 |
| Systematic Design of Universal Current Mode Filter |
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| DOI：10.3969/j.issn.1671-5322.2012.04.007 |
| 中文关键词: 电流模式 传输函数 滤波器 |
| 英文关键词: current mode transfer function filter |
| 基金项目: |
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| 摘要点击次数: 6159 |
| 全文下载次数: 3912 |
| 中文摘要: |
| 电流模式滤波电路因具有频带宽，功耗小，动态范围大等优点已逐渐应用在高频、高速信号处理电路中，当前电流模式滤波电路中对通用高阶电流模式滤波器的设计研究存在明显不足，通过对电流模式滤波器的通用传输函数进行系统分析，提出了基于MOCCII设计任意阶电流模式滤波器的电路，该电路结构简单，元件参数容易确定，所有的RC元件均接地，便于单片集成。改变输出电流的组合方式，可实现多种功能的滤波器。结合实例进行了电路设计及PSPICE仿真，仿真结果证实了该设计的可行性。 |
| 英文摘要: |
| Current mode circuit presents such advantages as wide bandwidth,low power consumption and so on.It has been widely used in the high frequency and high speed signal processing circuit.At present,there is obvious defieiencies in the design of universal current mode filter.Based on the analysis of universal current mode filter transfer function.Nth-order current-mode filter circuit was presented by MOCCII.The circuit structure is simple,the design element parameter is easy to determine.All the elements are grouned,so it is convenient to be integrated.A variety of functions can be realized by changing the combination of the output current of the filter.The circuitand PSPICF are designed with actual examples.The results prove the validity of the proposed design. |
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