Frequency-Domain Min-Max Optimization for Delta-Sigma Modulators
Matlab codes are provided for min-max optimization for loop-filter design in delta-sigma modulators.
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The MATLAB codes are based on our recent paper:
M. Nagahara and Y. Yamamoto,
Frequency-Domain Min-Max Optimization of Noise-Shaping Delta-Sigma Modulators,
IEEE Transactions on Signal Processing, Vol. 60, No. 6, pp. 2828-2839, 2012.
A draft can be down-loaded via:
http://www-ics.acs.i.kyoto-u.ac.jp/~nagahara/ds/manuscript.pdf
We give two matlab codes:
[ntf,R]=NTF_MINMAX(order,OSR,Hinf,f0,zf)
[ntf,R]=NTF_MINMAX_MB(order,OSR,Hinf,f,zf)
By these codes, one can obtain lowpass/bandpass (by NTF_MINMAX) and multi-band (by NTF_MINMAX_MB) filters for noise-shaping delta-sigma modulators that minimize the maximum magnitude of the noise transfer function (NTF)
in fixed frequency band(s).
For details, see also the following web page:
http://www-ics.acs.i.kyoto-u.ac.jp/~nagahara/ds/
引用
Masaaki Nagahara (2026). Frequency-Domain Min-Max Optimization for Delta-Sigma Modulators (https://jp.mathworks.com/matlabcentral/fileexchange/36187-frequency-domain-min-max-optimization-for-delta-sigma-modulators), MATLAB Central File Exchange. に取得済み.
謝辞
ヒントを得たファイル: Delta Sigma Toolbox
