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The Designer's Guide Community Forum › Simulators › Circuit Simulators › Derivative of a curve
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Derivative of a curve (Read 2704 times)
raja.cedt
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Derivative of a curve
Dec 20th, 2015, 5:45am  
Hello--Just want to check is there any in-built function available in spectre for differentiation. Basically I have CDF from a transient noise simulation and I would like to see PDF from that. Currently doing this in Matlab, but it is very tedious job forr all PVT.

Best Regards,
Raj.
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ULPAnalog
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Re: Derivative of a curve
Reply #1 - Dec 20th, 2015, 8:39am  
Hello Raja

Did you consider using the deriv function in wavescan calculator that comes with Cadence?

Thanks and regards
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raja.cedt
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Re: Derivative of a curve
Reply #2 - Dec 20th, 2015, 8:42pm  
Hello--
I cant see such kind of function in my calculator, I think I am using recent and most advanced version. Could you please tell me in which version you have got this option?

Raj.
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baab
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Re: Derivative of a curve
Reply #3 - Dec 21st, 2015, 2:57am  
Hi,
I think the function should have in almost Cadence versions. I used version 5.14 and 6.16 and if I remember correctly the function is available in these versions.
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Re: Derivative of a curve
Reply #4 - Dec 21st, 2015, 10:58am  
Yes, I have been using it since icfb (Cadence v5) days. It exists even in the latest 6.16 version and I do not see any good reason why Cadence would remove it. It should be under special function (or All) category in Function Panel in Calculator.
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