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Cadence SFDR and ENOB simulation for DAC/ADC over frequency and input amplitude (Read 506 times)
repah
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Cadence SFDR and ENOB simulation for DAC/ADC over frequency and input amplitude
Apr 06th, 2020, 2:36pm
 
Hello,

I am using Cadence Spectre/Virtuoso IC5.1, so I dont have access to the new Spectrum Assistant.

I want to use Cadence Spectre/Virtuoso to plot SFDR and ENOB for a DAC (but also for an ADC later) over frequency and input amplitude.

Is there a way to do this using calculator and parametric analysis ?  

Thank you.
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Andrew Beckett
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Re:  Cadence SFDR and ENOB simulation for DAC/ADC over frequency and input amplitude
Reply #1 - Apr 10th, 2020, 2:02am
 
OK, well it's a bit tough if you're using a software release that came out 16 years ago and was last updated 9 years ago. The Rapid Adoption Kit I mentioned in the other post is not going to help you very much then...

If I remember rightly, the wavescan calculator had a spectrum function - but I may be mistaken as to when that was introduced. You should check the documentation.

You really should look into trying to use a software release from at least the last 5 years!

Andrew.
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repah
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Re:  Cadence SFDR and ENOB simulation for DAC/ADC over frequency and input amplitude
Reply #2 - Apr 16th, 2020, 3:04pm
 
Thank you.

It's difficult to learn the fundamental concepts when the program does everything for you.  Once you know, it's good to go to the lastest software version though.
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