LabVIEW

cancel
Showing results for 
Search instead for 
Did you mean: 

implement a sigma delta ADC converter

Solved!
Go to solution

Hi,

i need some helps to solve this problem. I need to create a VI that implement a sigma delta converter. It's really difficult!!!What's the way i need to use to solve this problem as i'm just at a beginning level!!!

0 Kudos
Message 1 of 32
(4,603 Views)

Use "To U16" and wire a floating point input

 

Or, could you give some more details about what your inputs and outputs are?


"Should be" isn't "Is" -Jay
0 Kudos
Message 2 of 32
(4,566 Views)

The question is so vague that Jeff's response almost makes sense!

 

Is this a LabVIEW class homework (or class) assignment?  What have you already covered?  What are you expected to know?  Can you show the results of your last assignment so we can better understand "what you know and when you knew it"?  Have you do any work on this question?  If so, post your code so we have a better idea of the nature of the question!

 

Bob Schor

Message 3 of 32
(4,548 Views)

@Bob_Schor wrote:

The question is so vague that Jeff's response almost makes sense!

 

Is this a LabVIEW class homework (or class) assignment?  

 

Bob Schor


Almost?


"Should be" isn't "Is" -Jay
0 Kudos
Message 4 of 32
(4,544 Views)
Solution
Accepted by jamiehalloway

A VI is software use to implement algorithms.

A delta-sigma converter is typically a piece of hardware used to convert analog signals into a stream of pulses or vice versa.

 

It seem you are trying to create a VI, so all you can do is "simulate" the conversion process. Is that what you re trying to do?

 

Part of solving a problem is the efficient searching of the forum. You might have stumbled across this post from 2008: Of course it does not really help you unless you try to fully understand every single code element, but it might give you some ideas.

 

 

 

 

 

Message 5 of 32
(4,494 Views)

I'm trying to implement a sigma_delta on labview and I would be interested in learning more about its simulation, as I've already tried different ways but I have problems in the frequency simulation, I would be happy if you could give me more information

0 Kudos
Message 6 of 32
(488 Views)

If you follow the links in the above post, you can find LabVIEW code that you can download.

 

Do you have any specific question? What is the definition of your vague term "frequency simulation"? What kind of problems?

 

Important! Since this thread is already marked as solved, please start a new discussion for further questions, just include a link to here.

0 Kudos
Message 7 of 32
(452 Views)

On a side note, today I would probably replace the 64 element 0,1 array with a U64 scalar, same result:

 

altenbach_0-1729881956750.png

 

Yes, several optimizations are possible, especially if we don't care about some of the demo indicators.

 

0 Kudos
Message 8 of 32
(439 Views)

by frequency simulation I mean the output frequency response from the delta sigma implemented on labview in theory I would like to verify that the output bitstream has in the frequency domain the effect of noise shaping

0 Kudos
Message 9 of 32
(390 Views)

here I have attached my diagram for the sigma delta but I think that the integration so-called gives me problems in terms of noise

0 Kudos
Message 10 of 32
(386 Views)