An efficient simulation method for oversampled Delta-Sigma modulators

Author

Ahmed, Y. ; Opal, A.

Author_Institution

Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada

Volume

2

fYear

1994

fDate

3-5 Aug 1994

Firstpage

1164

Abstract

An efficient simulation method for over-sampled Delta-Sigma modulators is presented. This method is based on partitioning the modulator circuit into linear and nonlinear blocks. A behavioral model is used for the nonlinear block while a fast sampled data technique is used for the solution of the linear circuit equations. This technique converts the solution of the linear circuit equations into one matrix-vector multiplication per clock phase instead of numerical integration. This approach allows the designer to investigate the effect of circuit non-idealities and different types of quantizers quickly and efficiently

Keywords

circuit analysis computing; sigma-delta modulation; behavioral model; circuit nonidealities; circuit partitioning; linear block; linear circuit equations; matrix-vector multiplication; nonlinear block; oversampled delta-sigma modulators; quantizers; sampled data technique; simulation; Circuit simulation; Clocks; Computational modeling; Delta modulation; Ear; Filtering; Frequency; Linear circuits; Matrix converters; Noise shaping; Nonlinear equations;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 1994., Proceedings of the 37th Midwest Symposium on

Conference_Location

Lafayette, LA

Print_ISBN

0-7803-2428-5

Type

conf

DOI

10.1109/MWSCAS.1994.519017

Filename

519017