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A new Approach for CMOS Op-Amp Synthesis

Mandal, Pradip and Visvanathan, V (1999) A new Approach for CMOS Op-Amp Synthesis. In: Twelfth International Conference On VLSI Design, 1999, 7-10 January, Goa,India, 189 -194.

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Abstract

A new approach for CMOS op-amp circuit synthesis has proposed here. The approach is based on the observation that the first order behavior of an MOS transistor in the saturation region is such that the cost and the constraint functions for this optimization problem can be modeled as convex functions. Second order effects are then handled by formulating the problem as one of solving a sequence of convex programs. Numerical experiments show that the solutions to the sequence of convex programs converges to the same design point for widely varying initial guesses. This strongly suggests that the approach is capable of determining the globally optimal solution to the problem. Performance of the synthesized op-amps has been verified against detailed SPICE simulation for a $1.6\mu$ CMOS process.

Item Type: Conference Paper
Additional Information: Copyright 1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Information Sciences > Supercomputer Education & Research Centre
Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 09 Mar 2006
Last Modified: 19 Sep 2010 04:24
URI: http://eprints.iisc.ernet.in/id/eprint/5865

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