Nonlinear circuit analysis via perturbation methods and hardware prototyping

Authors:
K. Odame;P. E. Hasler
Affiliations:
Thayer School of Engineering, Dartmouth College, Hanover;School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta
Venue:
VLSI Design - Special issue on selected papers from the midwest symposium on circuits and systems
Year:
2010

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Abstract

Nonlinear signal processing is necessary in many emerging applications where form factor and power are at a premium. In order to make such complex computation feasible under these constraints, it is necessary to implement the signal processors as analog circuits. Since analog circuit design is largely based on a linear systems perspective, new tools are being introduced to circuit designers that allow them to understand and exploit circuit nonlinearity for useful processing. This paper discusses two such tools, which represent nonlinear circuit behavior in a graphical way, making it easy to develop a qualitative appreciation for the circuits under study.