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Continuos time Delta sigma modulatorcircuit design

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aibrahim

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Hello All,

I am designing a CT sigma delta modulator i am a little bit confuse about transalting the system coefficient calculated in matlab to circuit parameters are we in need to multipy by a factor 2*3.14(pi) or not.

for coefficient a1 for example to calculate equivalent RC rime constant in system we us

a1*fs=1/RC or
2*3.14*a1*fs=1/RC


Advanced Thanks,
 

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