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how to calculate THD ??

Hi all;

I want to calculate the total harmonic distortion (%) of my analog circuit.. I have two inputs as Vx and Vy ..Wherein i want to plot the THD variation due to input voltage swing between 0 and 1.8V while Vx set to different DC values.

How can i do that in cadence . I am using Cadence 6.1.4.500 and ADE L . and gpdk180.

Thanks in advance..

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Andrew Beckett over 13 years ago

For a single transient run, you can use the thd function in the calculator. Then you could do a two dimensional parametric sweep of Vx and Vy to get the curve you want.
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Andrew Beckett over 13 years ago

For a single transient run, you can use the thd function in the calculator. Then you could do a two dimensional parametric sweep of Vx and Vy to get the curve you want.
Andrew.
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