基于增益块的广义CFA滤波器拓扑

2007 50th Midwest Symposium on Circuits and Systems Pub Date : 2007-08-01 DOI:10.1109/MWSCAS.2007.4488641

B. Maundy, S. Gift, P. Aronhime

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引用次数: 0

摘要

本文提出了采用两个电流反馈放大器的广义电压型滤波器。与单电流反馈放大器biquad相比，新的biquad具有吸引力，因为它们提供了更高的增益灵敏度。此外，它们不使用Z节点，因此可以在其实现中使用大范围的商业电流反馈放大器。本文给出了不使用可访问Z节点的ad844的理论结果和实验结果。

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Generalized CFA filter topology based on gain blocks

Generalized voltage mode filters that employ two current feedback amplifiers are proposed in this paper. The new biquads are attractive because they offer improved gain sensitivities compared to single current feedback amplifier biquads. Also they do not employ the Z node and so a wide range range of commercial current feedback amplifiers can be used in their implementation. Theoretical results as well as experimental results are presented using AD844s in which the accessible Z node is not used.

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2007 50th Midwest Symposium on Circuits and Systems

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