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sdd based noise model

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hellotxn

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ads sdd

I want to build a noise model in ads with sdd component. Could someone give me some guide or recommend me some materials?

Thanks!
 

sdd noise model

Hi

You can add noise current source in SDD using "NOISE CURRENT SQUARED" parameter entry mode

BUT!!! this noise will be in the s-parameters ans AC simulations only, not in HB not in transient....

Regards
 

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    hellotxn

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Thanks for your reply!

The noise source provided by sdd itself is not enough for my simulation. I need to simulate noise in transient simulation, so I need to know how to generate random variable in ADS. A possible solution is to use C program to generate a random variable , but I do not know how to cosimulation ADs and C program.I wish to get any help about that!

Thanks!
 

Hi

You can use function _randvar
It is not documented function in ADS manual. I can e-mail you usage example

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    hellotxn

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