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Sigma-Delta ADC, From Behavioral Model to Verilog and VHDL

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Sigma-Delta ADC, From Behavioral Model to Verilog and VHDL


Ali Behboodian (view profile)


17 Sep 2007 (Updated )

Model-Based Design of a Sigma-Delta ADC, from behavioral model to VHDL code.

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For a full description of the models, refer to the September 2007 MATLAB Digest article.

We present a series of Simulink models to design a high-level behavioral model of a Sigma-Delta ADC. The high-level behavioral model has an Analog section and a Digital section that comprises a digital filter. We partition the digital filter into three cascade filters that use a total of 10 times less filter coefficients than the original filter. We then elaborate the first filter in the cascade in such a way that it requires no multiplications for implementation. We convert our design to fixed-point. We then proceed to generate VHDL code for our elaborated filter using Simulink HDL coder. This is an example of Model-Based Design.


This file inspired Simulink Sigma Delta Toolbox.

Required Products Filter Design Toolbox
Fixed-Point Designer
DSP System Toolbox
Signal Processing Toolbox
Simulink Fixed Point
MATLAB release MATLAB 7.5 (R2007b)
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Comments and Ratings (34)
19 Jun 2014 rajesh kumar


03 Oct 2013 Kuber

Kuber (view profile)

how to download these files

Comment only
02 Nov 2012 hou

hou (view profile)

I need it

17 May 2011 xiao qian

error:Object parameter contains an invalid handle.
why? confused

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11 Nov 2009 Ashwini

Ashwini (view profile)

09 Feb 2009 Vinay Goli

16 Sep 2008 selvakumar surulisubbu

04 Sep 2008 sunish natarajan

26 Aug 2008 Praveen K


Comment only
05 Jul 2008 PRAMOD BOKDE

12 Jun 2008 Neetha John

good code

01 Jun 2008 JH YOO


Comment only
04 May 2008 shiva prasad


24 Apr 2008 sushant singh

excellent work

20 Apr 2008 Sushant singh

nice work

12 Apr 2008 syafriel kurniawan


19 Mar 2008 CBNU IDEC 11th Sejin

I love you!!!

Thanks for making~

18 Mar 2008 zhang jedi

good, i like it

11 Mar 2008 chandran mahesh

01 Mar 2008 ajaharudeen shaik

ok good

28 Jan 2008 Seb Cheung

When I tried simulating I get
Message: Internal Error,
Reported by : Stateflow,
Summary: Syntax error in propery name

Message: Model error
reported by: Simulink
Summary: Error using==>Stateflow\private\slsf at 88Syntax error in property name

Comment only
25 Jan 2008 Jayashree Rajagpoal

01 Jan 2008 G wei

It is very good for mr

Comment only
22 Oct 2007 Jun Wang



14 Oct 2007 YoungSik Hwang


12 Oct 2007 Sandor Szikora

05 Oct 2007 Deepak Manikandan

No comments

01 Oct 2007 deepti patro


28 Sep 2007 Achraf Dhayni

I obtain this error msg:
Object parameter contains an invalid handle.

Please tell me why, and how to solve it.

Comment only
25 Sep 2007 shriniwash Yadav

25 Sep 2007 Alok Kumar

25 Sep 2007 jeya lakshmi


Comment only
24 Sep 2007 Anthony G. Marino

19 Sep 2007

Adding link

20 Sep 2007


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