| 基于CMOS OTA的电流模式KHN滤波器 |
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| 引用本文： | 刘奇能,王春华.基于CMOS OTA的电流模式KHN滤波器[J].微电子学,2000,30(3):201-203. |
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| 作者姓名： | 刘奇能 王春华 |
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| 作者单位： | 湘潭大学,自动化与电子工程系,湖南,湘潭,411105 |
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| 基金项目： | 湖南省教委资助项目!(98B0 13) |
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| 摘 要： | 提出了一种基于ＣＭＯＳ ＯＴＡ的电流模式ＫＨＮ滤波器电路。该电路能同时实现低通、带通及高通滤波器，通过端口相接还可以实现带阻及全通滤波器。整个电路仅含两个接地电容而不含其它无源元件。便于集成。ＰＳＰＩＣＥ模拟表明，该电路有低的灵敏度。
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| 关 键 词： | KHN滤波器 运算跨导放大器 CMOS电路 |
A Current-Mode KHN Filter Based on CMOS OTA |
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| LIU Qi-neng,WANG Chun-hua.A Current-Mode KHN Filter Based on CMOS OTA[J].Microelectronics,2000,30(3):201-203. |
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| Authors: | LIU Qi-neng WANG Chun-hua |
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| Abstract: | A current mode KHN fil ter based on CMOS OTA-C is presented. With this c ircuit, lowpass, bandpass and high pass filters can be realized simultaneously. Moreover, bandstop and allpass filters c an also be realized by connecting ports. The proposed filter contains only two g rounded capacitors and no other passive elements, which makes it easy for integr ation. PSPICE simulation shows that the cirucit has very low sensitivity. WT5HZ ] |
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| Keywords: | Filter CMOS Operati onal transconductance amplifier Kervin- Huelsman-Newcomb circuit |
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