一种微功率电流型CMOS函数近似电路

1999 International Symposium on VLSI Technology, Systems, and Applications. Proceedings of Technical Papers. (Cat. No.99TH8453) Pub Date : 1999-06-08 DOI:10.1109/VTSA.1999.786057

N. Manaresi, R. Rovatti, E. Franchi, G. Baccarani

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引用次数: 3

摘要

提出了一种用于模拟函数近似的电流型弱反转电路。它基于模糊逻辑范式，并在输入数量和规则数量方面利用模块化体系结构。仿真结果表明，在3.3 V电源下，以5 /spl mu/W的功耗为代价，可以近似得到2输入1输出的超越函数，RMS误差为50%。

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A micropower current-mode CMOS function approximation circuit

A current-mode weak-inversion circuit for analog function approximation is proposed. It is based on the fuzzy logic paradigm and exploits a modular architecture with respect to the number of inputs and the number of rules. Simulation results show that a 2-input, 1 output transcendental function can be approximated with a 50% RMS error at the expense of 5 /spl mu/W of power consumption with a 3.3 V supply.

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来源期刊

1999 International Symposium on VLSI Technology, Systems, and Applications. Proceedings of Technical Papers. (Cat. No.99TH8453)

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