Design Procedure for Two-Stage CMOS Transconductance Operational Amplifiers: A Tutorial

Authors:
G. Palmisano;G. Palumbo;S. Pennisi
Affiliations:
Dipartimento Elettrico Elettronico e Sistemistico, Universita' di Catania, Viale Andrea Doria, 6 I-95125 Catania, Italy Tel: ++39.095.73823.05/13/18 Fax: 39.095.330793;Dipartimento Elettrico Elettronico e Sistemistico, Universita' di Catania, Viale Andrea Doria, 6 I-95125 Catania, Italy Tel: ++39.095.73823.05/13/18 Fax: 39.095.330793;Dipartimento Elettrico Elettronico e Sistemistico, Universita' di Catania, Viale Andrea Doria, 6 I-95125 Catania, Italy Tel: ++39.095.73823.05/13/18 Fax: 39.095.330793
Venue:
Analog Integrated Circuits and Signal Processing
Year:
2001

Citing 4
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IEEE Transactions on Education

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Abstract

This paper deals with well-defined designcriteria for two-stage CMOS transconductance operational amplifiers. A novel and simple designprocedure is presented, which allows electricalparameters to be univocally related to the value ofeach circuit element and biasing value. Unlikeprevious methods, the proposed one is suited for apencil-and-paper design and yields accurateperformance optimization without introducingunnecessary circuit constraints. Bandwidthoptimization strategies are also discussed. SPICE simulations based on the proposed procedures aregiven which closely agree the expected results.