Comparison of methods for predicting distortion in class-AB stages

Author

Giustolisi, Gianluca ; Palumbo, Gaetano

Author_Institution

Dipt. di Ing. Elettr. Elettron. e dei Sist., Univ. degli Studi di Catania, Catania

fYear

2005

fDate

11-14 Dec. 2005

Firstpage

1

Lastpage

4

Abstract

In this communication, we compare four different methods for analytically evaluating the harmonic distortion in class-AB stages. All the methods are suitable for pencil-and-paper analysis and are based on modeling the stage with a specific non-linear function. Comparisons made by means of simulations, reveal that some methods are more precise than others but require more computational effort. On the contrary, some of them are simple to use but are less precise. Moreover, some are more appropriate for predicting HD₂ and others for HD₃, only. Results of the present work may be used by designers to choose the more efficient method for analyzing distortion in class-AB stages.

Keywords

CMOS integrated circuits; amplifiers; harmonic distortion; CMOS current mirrors; HD₂; HD₃; class-AB stage; harmonic distortion prediction methods; nonlinear function; pencil-and-paper analysis; Circuit synthesis; Computational modeling; Electronic circuits; Feedback loop; Harmonic analysis; Harmonic distortion; High definition video; Signal design; Total harmonic distortion; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronics, Circuits and Systems, 2005. ICECS 2005. 12th IEEE International Conference on

Conference_Location

Gammarth

Print_ISBN

978-9972-61-100-1

Electronic_ISBN

978-9972-61-100-1

Type

conf

DOI

10.1109/ICECS.2005.4633544

Filename

4633544