about 1-order noise shaping ...

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super

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Dear all:
I according book using simulink to build 1-order
delta-sigma modulator, but the result is not correct,
It's should be have continuous pulse ,but from result only one pulse .
what's happen ??

Thanks .
 

why do you add const block inside the loop?
 

which constant block ??
constant 2 is input signal ,
constant 3 is noise .
 

hi super,i am leraning sigma delta too,it seems u don't have the clock on the integer delay block,and why do u know the noise ican model as constant 1 ,i think it is wrong,when u get the right simulation,please post on the forum.thanks
 

It's overflow
 

Ansunamu
would you descrip it cleraly?thanks
 

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