Decimation Filter for a Sigma Delta ADC

[Shady Ahmed]

I have been working in the design of a 3rd order sigma delta analog to digital converter. right now I am concerned with the implementation of the digital part, the digital filter & the decimation filter. Any help? as i can't find a resource that illustrates the link between the analog part of the ADC & the digital one.

 

[pankaj jha]

Bakers book on "CMOS: MIXED-SIGNAL CIRCUIT DESIGN" explains the working and design of averaging filters well...
other documents:
1) AN 455: Understanding CIC Compensation Filters - Altera : pdf
2) https://in.mathworks.com/help/dsp/examples/design-of-decimators-interpolators.html

 

[D.A.(Tony)Stewart]

www.intersil.com/data/AN/an9603.pdf
www.ti.com/lit/an/sbaa094/sbaa094.pdf
https://www.analog.com/media/en/training-seminars/design-handbooks/MixedSignal_Sect6.pdf