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基于MO-CCCDTA的电控调谐电流模式六阶椭圆带通滤波器 被引量：4

Electronically tunable current-mode sixth-order elliptic band-pass filter using MO-CCCDTAs
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摘要 提出了一个多输出电流差分跨导放大器(MO-CCCDTA),利用它设计了一个电流模式二阶带通、二阶高通带阻和二阶低通带阻电路,以此为基础,利用级联法设计了电流模式六阶椭圆带通滤波器。该滤波器仅使用3个MO-CCCDTA、1个CDTA和7个电容,通过调节偏置电流,各滤波器参数均能被电控调谐。计算机仿真表明电路正确有效。 A modified MO-CCCDTA is present.A current-mode second-order band-pass,high-pass band stop,and low-pass band stop circuits using MO-CCCDTAs are given.Moreover,a current-mode sixth-order elliptic band-pass filter is realized by cascade method.The circuit uses only three MO-CCCDTA s,one CDTA and seven capacitors.The parameters of the circuit can be tuned electronically by tuning bias currents.The results of computer simulation show the analysis method is valid and effective.
作者 李永安
机构地区 咸阳师范学院物理与电子工程学院
出处 《电路与系统学报》 CSCD 北大核心 2011年第3期129-132,共4页 Journal of Circuits and Systems
基金 陕西省教育厅自然科学研究基金资助项目(Z010JK889) 咸阳师范学院重点科研基金资助项目(07xsyk206)
关键词 六阶椭圆带通滤波器 电流模式 电控调谐 多输出电流控制电流差分跨导放大器 sixth-order elliptic band-pass filter current mode electronically controlled tuning MO-CCCDTA
分类号 TN722.77 [电子电信—电路与系统]
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参考文献11

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二级参考文献41

共引文献17

同被引文献75

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引证文献4

二级引证文献5

电路与系统学报
2011年 第3期

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