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shaohuip ?

fudan university

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03 Jun 2010 Delta Sigma Toolbox High-level design and simulation of delta-sigma modulators Author: Richard Schreier

Thanks very much for your sharing. For quadrature band pass sigma-delta ADC design, when we use the synthesizeQNTF to get the NTF, then we can get the ABCD matrix by the realizeQNTF function. Finally how we can determine the coefficient like the [a,g,b,c] in low pass or band pass structure? Also for the quadrature structure, there is FF/FB/PFF/PFB, what is the difference between them and the previous CIFF/CIFB/CRFF/CRFB?
Thanks very much.

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