GPCAD: A Tool for CMOS Op-Amp Synthesis

GPCAD: A Tool for CMOS Op-Amp Synthesis (1998)

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by Maria del Mar Hershenson , Stephen P. Boyd , Thomas H. Lee

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Datum	Value	Source
TITLE	GPCAD: A Tool for CMOS Op-Amp Synthesis	user correction - Legacy Corrections
AUTHOR NAME	Maria del Mar Hershenson	user correction - Legacy Corrections
AUTHOR AFFIL	Electrical Engineering Department, Stanford University, Stanford CA 94305	user correction - Legacy Corrections
AUTHOR NAME	Stephen P. Boyd	user correction - Legacy Corrections
AUTHOR AFFIL	Electrical Engineering Department, Stanford University, Stanford CA 94305	user correction - Legacy Corrections
AUTHOR NAME	Thomas H. Lee	user correction - Legacy Corrections
AUTHOR AFFIL	Electrical Engineering Department, Stanford University, Stanford CA 94305	user correction - Legacy Corrections
ABSTRACT	We present a method for optimizing and automating component and transistor sizing for CMOS operational amplifiers. We observe that a wide variety of performance measures can be formulated as posynomial functions of the design variables. As a result, amplifier design problems can be formulated as a geometric program, a special type of convex optimization problem for which very efficient global optimization methods have recently been developed. The synthesis method is therefore fast, and determines the globally optimal design; in particular the final solution is completely independent of the starting point (which can even be infeasible), and infeasible specifications are unambiguously detected. After briefly introducing the method, which is described in more detail in [1], we show how the method can be applied to six common op-amp architectures, and give several example designs. 1 Introduction As the demand for mixed mode integrated circuits increases, the design of analog circuits su...	user correction - Legacy Corrections
YEAR	1998	user correction - Legacy Corrections
CITATIONS	22 found	ParsCit 1.0