Universal CMOS current-mode analog function synthesizer

Muhammad Taher Abuelma'atti

doi:10.1109/TCSI.2002.803356

Universal CMOS current-mode analog function synthesizer

Muhammad Taher Abuelma'atti^*

^*Corresponding author for this work

King Fahd University of Petroleum & Minerals

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

A CMOS integratable current-mode analog function synthesizer circuit is presented. The proposed circuit is based on approximating the required function using the first three terms of its Taylor series expansion. These approximations can be implemented by adding the output currents of a weighted current square, a weighted current amplifier (or attenuator) and a constant current. The proposed circuit can simultaneously realize 18 different mathematical functions and can be easily expanded to accommodate others. SPICE simulation results demonstrating the circuit performance are included.

Original language	English
Pages (from-to)	1468-1474
Number of pages	7
Journal	IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
Volume	49
Issue number	10
DOIs	https://doi.org/10.1109/TCSI.2002.803356
State	Published - Oct 2002

Keywords

Analog CMOS
Current-mode circuits
Function generator

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TCSI.2002.803356

Cite this

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title = "Universal CMOS current-mode analog function synthesizer",

abstract = "A CMOS integratable current-mode analog function synthesizer circuit is presented. The proposed circuit is based on approximating the required function using the first three terms of its Taylor series expansion. These approximations can be implemented by adding the output currents of a weighted current square, a weighted current amplifier (or attenuator) and a constant current. The proposed circuit can simultaneously realize 18 different mathematical functions and can be easily expanded to accommodate others. SPICE simulation results demonstrating the circuit performance are included.",

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AB - A CMOS integratable current-mode analog function synthesizer circuit is presented. The proposed circuit is based on approximating the required function using the first three terms of its Taylor series expansion. These approximations can be implemented by adding the output currents of a weighted current square, a weighted current amplifier (or attenuator) and a constant current. The proposed circuit can simultaneously realize 18 different mathematical functions and can be easily expanded to accommodate others. SPICE simulation results demonstrating the circuit performance are included.

KW - Analog CMOS

KW - Current-mode circuits

KW - Function generator

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U2 - 10.1109/TCSI.2002.803356

DO - 10.1109/TCSI.2002.803356

M3 - Article

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JO - IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications

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Universal CMOS current-mode analog function synthesizer

Abstract

Keywords

ASJC Scopus subject areas

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