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Delta Sigma Toolbox

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Delta Sigma Toolbox

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14 Jan 2000 (Updated )

High-level design and simulation of delta-sigma modulators

Editor's Notes:

This file was selected as MATLAB Central Pick of the Week

y=nabsH(w,H)
function y=nabsH(w,H)
% nabsH computes the negative of the absolute value of H 
%       at the specified frequency on the unit circle. 
%
%       This function is used by infnorm.m.
z = exp(i*w);
y = -abs(evalTF(H,z));

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