| 一种具有最少元件双二阶滤波器的OTA实现电路 |
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| 引用本文： | 何怡刚. 一种具有最少元件双二阶滤波器的OTA实现电路[J]. 固体电子学研究与进展, 1998, 18(3): 252-256 |
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| 作者姓名： | 何怡刚 |
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| 作者单位： | 湖南大学电气系!长沙，410082 |
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| 基金项目： | 国家自然科学青年基金，湖南省自然科学基金 |
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| 摘 要： | 提出了一种新的双二阶滤波器的OTA实现电路。该结构具有最少的元件，滤波器特性参数均可独立调节等特点。给出了二阶滤波器设计实例并经计算机仿真所验证。
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| 关 键 词： | 有源滤波器 OTA－C滤波器 高频连续时间滤波器 |
An OTA-C Realization of Biquadratic Filter with Minimum Components |
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| He Yigang. An OTA-C Realization of Biquadratic Filter with Minimum Components[J]. Research & Progress of Solid State Electronics, 1998, 18(3): 252-256 |
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| Authors: | He Yigang |
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| Abstract: | A novel structure of biquadratic filter using Operational Transconductance Amplifier (OTA) is presented. It has some advantages such as minimumcomponents. The filter characteristic parameters ω,Q and voltage gain can be tunedby external voltage or current. Design and simulation results of a second-order filterare given to demonstrate its feasibility. |
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| Keywords: | Active Filter OTA-C Filter High-frequency Continuous-time Filter |
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