Looking for delta sigma modulator design

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a_shawky

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dear all;

i want to implement a delta sigma modulator , i found one schematic diagram but i cant simulate it yet .
so if anyone can simulate it of if anyone has a working Circuit diagram (shematic)
please contact me

here is the one i found
 

Re: sigma delta circuits

...but where is your schematic?
 

sigma delta circuits

there are many schematic in this board where ieee paper.

and you can simualte by matlab or spice/spectre/verilog_a
 

sigma delta circuits

if you want to design a sigma-deta,you should start with a opamp design.

regards
 

Re: sigma delta circuits

A systerm simulation is needed. The matlab simulink is popular.
 

sigma delta circuits

An excellent Phd thesis may be a good reference for you. You can search some by google.
 

Re: sigma delta circuits

simulation in matlab first is helpful
 

sigma delta circuits

why sigma delta is so hot?it is for narrow band application.
 

Re: sigma delta circuits

There are many circuits about sigma delta adc. You must choose the one you need.
 

Re: sigma delta circuits

where have many schematics?i have read some ieee papers and some phd papers,but it is difficult for me to design a full sdm,especially design high-order SDM.do you have more ideals
 

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