将OTA-C滤波器从电压模式转换为电流模式

Proceedings of the Fourth IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.02TH8611) Pub Date : 2002-08-07 DOI:10.1109/ICCDCS.2002.1004006

T. Esteban, Samuel Arturo

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引用次数: 1

摘要

提出了一种将工作在电压模式下的OTA-C滤波电路转换为电流模式的合适方法。首先，使用nullor概念对OTA的理想行为进行建模。其次，通过应用与零值互连模式相关的一组四个基本规则来进行转换过程。第三，利用ota合成变换电路的零值。最后，通过对给定电路和变换电路传递函数的计算，证明了该方法作为一种分析工具的适用性。

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Transforming OTA-C filters from voltage- to current-mode

A suitable method for transforming OTA-C filter circuits working in voltage-mode to current-mode is presented. First, the ideal behavior of the OTA is modeled using the nullor concept. Second, the transformation process is conducted by applying a set of four basic rules related to the interconnection pattern of the nullors. Third, the nullors of the transformed circuit are synthesized by OTAs. Finally, the computation of the transfer function of the given and the transformed circuit demonstrates the appropriateness of this method to be used as an analytical tool.

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来源期刊

Proceedings of the Fourth IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.02TH8611)

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