采用改进CCCCTA的电流可调电流模式多功能滤波器

M. Kumngern, U. Torteanchai, K. Sarsitthithum
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引用次数: 8

摘要

本文提出了一种电流可调电流型通用双二次型双输入双输出滤波器,该滤波器采用一个改进型电流控制跨导差动放大器、两个接地电容和一个接地电阻。该电路具有以下优点:实现低通、带通、高通、带阻和全通电流响应;固有频率与品质因子的正交控制;采用接地的无源元件,适合集成电路实现,有源和无源灵敏度低。仿真结果验证了所提出的理论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Current-tunable current-mode multifunction filter employing a modified CCCCTA
This paper presents a current-tunable current-mode universal biquadratic filter with two inputs and two outputs using one modified current-controlled current differencing transconductance amplifier, two grounded capacitors and one grounded resistor. The proposed circuit provides following advantages: realization of low-pass, band-pass, high-pass, band-stop and all-pass current responses; orthogonal control of the natural frequency and the quality factor; employment of grounded passive components which is suitable for integrated circuit implementation and low active and passive sensitivities. Simulation results are given to confirm the presented theory.
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