NDLI: A framework for ELIN (externally linear internally nonlinear) analog filter design

Content Provider	IEEE Xplore Digital Library
Author	de Figueiredo, R.J.P.
Copyright Year	2000
Description	Author affiliation: California Univ., Irvine, CA, USA (de Figueiredo, R.J.P.)
Abstract	In VLSI circuits used in wireless and other types of electronic communications, nonlinear signal distortion arises from the nonlinear characteristics of the active devices in the circuit such as bipolar transistors, MOSFETs, and JFETs. In this paper, we present a non-intrusive method for cancellation of such distortions. Specifically, let the VLSI circuit be denoted by /spl psi/ and assume that its output consists of r ports providing r output voltage signals. We design an r-input-port/r-output-port nonlinear circuit D called, nonlinear distortion canceller. D is such that when the r output voltage signals of /spl psi/ are applied to D, the latter generates at its outputs the distortion error components present in the output signals of /spl psi/. These are then subtracted from the distorted output signals from /spl psi/, to provide their desired undistorted versions. The method of design of the nonlinear circuit D is derived rigorously based on a contraction mapping formulation. The results obtained are practical. The method can also be used to cancel nonlinear channel distortion in a multiuser communication system based on nonlinear channel models.
Starting Page	220
Ending Page	222
File Size	239631
Page Count	3
File Format	PDF
ISBN	0780364759
DOI	10.1109/MWSCAS.2000.951624
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-08-08
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nonlinear filters Nonlinear distortion Very large scale integration Voltage Nonlinear circuits Bipolar transistors JFETs Design methodology Signal design Design engineering
Content Type	Text
Resource Type	Article

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