Current mode universal filter employing operational transconductance amplifier and third generation current conveyor

T. S. Arora, Manish Gupta, Soumya Gupta
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引用次数: 6

Abstract

This paper proposes a new universal filter employing two output operational transconductance amplifier and a third generation current conveyor. The proposed current-mode filter circuit is designed with minimum number of active devices as well as minimum number of passive elements. All the passive elements employed are grounded in nature making it a better choice for integrated circuit implementation. This filter circuit provides low pass, high pass, band pass, band reject and all pass responses simultaneously without changing any hardware configuration. The availability of explicit current output makes this circuit efficient for use as higher order filter without using any additional buffers. The universal biquad also has a feature of independent tunability of quality factor and bandwidth. PSPICE simulation has been done to test and verify the theoretical results.
采用运算跨导放大器和第三代电流输送装置的电流模式通用滤波器
本文提出了一种采用双输出运算跨导放大器和第三代电流输送器的新型通用滤波器。所提出的电流型滤波电路采用最少数量的有源器件和最少数量的无源元件进行设计。所采用的所有无源元件本质上都是接地的,使其成为集成电路实现的更好选择。该滤波电路在不改变任何硬件配置的情况下同时提供低通、高通、带通、带阻和所有通响应。显式电流输出的可用性使该电路高效地用作高阶滤波器,而无需使用任何额外的缓冲器。通用双通道还具有质量因数和带宽独立可调的特点。通过PSPICE仿真对理论结果进行了验证。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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